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#1
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FM stations boosting bass?
I suspect that many FM stations, and some CD recordings, boost the low
frequencies to improve their perceived sound quality. Does anyone here know for certain if this is being done? The problem is the exaggerated bass comes through and sounds unnatural on better than typical systems |
#2
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FM stations boosting bass?
On Feb 15, 9:35*pm, "Howard Davis" wrote:
I suspect that many FM stations, and some CD recordings, boost the low frequencies to improve their perceived sound quality. Does anyone here know for certain if this is being done? The problem is the exaggerated bass comes through and sounds unnatural on better than typical systems Yes, that and a lot of other processing is routinely applied to all sorts of music media: radio, CD's and all. The music delivery business exists NOT to deliver the finest music to the end users, it exists for the purpose of making money. Period. If the people in charge believe that boosting bass will allow to make more money, they will most assuredly boost the bass. If tit's their perception that severe over compression will generate more revenue and profit, compress and clip they shall. And if they think they are losing market share to someone else who is doing it, they'll do it more. Much more. Radio, especially, is in a serious bind. For most radio stations, their only source of revenue is selling advertising. And one they they can sell more advertising is to convince potential advertisers that they will reach more vict, I mean, listeners than the other guy. And, to many broadcasters, that means more processing. What I find a little surprising is that there are still some who are shocked and surprised to learn this is happening. |
#3
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FM stations boosting bass?
On Sun, 15 Feb 2009 18:35:42 -0800, Howard Davis wrote
(in article ): I suspect that many FM stations, and some CD recordings, boost the low frequencies to improve their perceived sound quality. Does anyone here know for certain if this is being done? The problem is the exaggerated bass comes through and sounds unnatural on better than typical systems That type of frequency domain manipulation is generally an individual record producer's call, and is not, generally a record company policy. It's possible for individual producer to boost bass in preparation for a CD release, but it's not usually done because it generally muddies up the mid bass. Radio stations do many things to give their station's sound more "presence" including hard limiting and large amounts of compression in order to make their station stand out by being the loudest (marketing studies have shown that people scanning the radio dial tend to stop on the station that sounds the loudest). But I've never heard of anyone using bass boost toward that goal. But it certainly is possible. |
#4
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FM stations boosting bass?
Howard Davis wrote:
I suspect that many FM stations, and some CD recordings, boost the low frequencies to improve their perceived sound quality. Does anyone here know for certain if this is being done? The problem is the exaggerated bass comes through and sounds unnatural on better than typical systems FM stations do all manner of processing on their signal( to the point where on some stations I can barely hear the "music" through the compression artifacts.) Frequency response anomalies are definitely there as a result of multi-band limiting, which may manifest itself as too much bass or not enough, depending on the source material. Simply booting the bass most likely wouldn't cut it, since the object of the game is overall perceived loudness (at all costs!). As for CD's, *every* commercial release goes through a mastering process where EQ may be applied (it was always applied in the case of vinyl mastering, for CDs it's optional but usual) See http://en.wikipedia.org/wiki/Loudness_war |
#5
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FM stations boosting bass?
On Feb 15, 9:35*pm, "Howard Davis" wrote:
I suspect that many FM stations, and some CD recordings, boost the low frequencies to improve their perceived sound quality. Does anyone here knowg for certain if this is being done? The problem is the exaggerated bass comes through and sounds unnatural on better than typical systems. These sad days, 'typical' systems are built around computer speakers and MP3 players through earbuds. So, bass will be exAggerated (at least) so as to exist at all. 'Better than typical' systems are seldom used by (commercial) FM listeners much - so that tiny segment of the market is sacrificed. And considering that much popular music has a peak-to-average of 10dB or less - it is no surprise that CDs will also be processed so as to enhance a limited source. Yes, I am cynical. Peter Wieck Melrose Park, PA |
#6
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FM stations boosting bass?
wrote in message
... On Feb 15, 9:35 pm, "Howard Davis" wrote: I suspect that many FM stations, and some CD recordings, boost the low frequencies to improve their perceived sound quality. Does anyone here know for certain if this is being done? The problem is the exaggerated bass comes through and sounds unnatural on better than typical systems Yes, that and a lot of other processing is routinely applied to all sorts of music media: radio, CD's and all. The music delivery business exists NOT to deliver the finest music to the end users, it exists for the purpose of making money. Period. If the people in charge believe that boosting bass will allow to make more money, they will most assuredly boost the bass. If tit's their perception that severe over compression will generate more revenue and profit, compress and clip they shall. And if they think they are losing market share to someone else who is doing it, they'll do it more. Much more. Radio, especially, is in a serious bind. For most radio stations, their only source of revenue is selling advertising. And one they they can sell more advertising is to convince potential advertisers that they will reach more vict, I mean, listeners than the other guy. And, to many broadcasters, that means more processing. What I find a little surprising is that there are still some who are shocked and surprised to learn this is happening. Familiar with the music business, I'm not surprised at all. I hope their serious bind becomes more so - the media in general deserves it. Thanks for the reply. |
#7
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FM stations boosting bass?
"Walt" wrote in message
... Howard Davis wrote: I suspect that many FM stations, and some CD recordings, boost the low frequencies to improve their perceived sound quality. Does anyone here know for certain if this is being done? The problem is the exaggerated bass comes through and sounds unnatural on better than typical systems FM stations do all manner of processing on their signal( to the point where on some stations I can barely hear the "music" through the compression artifacts.) Frequency response anomalies are definitely there as a result of multi-band limiting, which may manifest itself as too much bass or not enough, depending on the source material. Simply booting the bass most likely wouldn't cut it, since the object of the game is overall perceived loudness (at all costs!). As for CD's, *every* commercial release goes through a mastering process where EQ may be applied (it was always applied in the case of vinyl mastering, for CDs it's optional but usual) See http://en.wikipedia.org/wiki/Loudness_war Thanks for the reply. With all the overcompression and deliberately unflat response, as well as multipath distortion, I think it is a waste for a real audiophile that has invested in good equipment and proper setup to listen to FM at all. |
#8
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FM stations boosting bass?
On Feb 16, 9:53*pm, "Howard Davis" wrote:
With all the overcompression and deliberately unflat response, as well as multipath distortion, I think it is a waste for a real audiophile that has invested in good equipment and proper setup to listen to FM at all. Oh, I dunno. http://www.ramseyelectronics.com/cgi...ion&key=FM100B (only one of several sources and options) The above will let you transmit FM throughout your house and to your nearby neighbors with as clean a signal as any commercial station. This gives you the option doing anything from streaming from your computer, MP3 player, CD changer or any other line-level source you wish and then listen anywhere. I also keep an AM transmitter ( http://www.sstran.com/ ) that allows me to feed my old radios from the same source. There are other options, of course. But the convenience of a clean, stereo whole-house transmitter that can live anywhere unobtrusively has its charms. Peter Wieck Melrose Park, PA |
#9
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FM stations boosting bass?
On Feb 16, 4:33*pm, Peter Wieck wrote:
....... Yes, I am cynical. ..... Peter Wieck Melrose Park, PA LOL! Think happy thoughts, man! What's even more ironic about this audio age we live in is that, with the perfection of digital audio, there is even less and less a need to EQ or have tone controls on an audio system. Back in the day we would boost the bass and treble for all the wrong reasons, be it to get more oomph or hear more clarity, but the tone controls really did have a reason to exist. Cassette audio had limited high frequency extension and so could be compensated for by turning the treble up a bit. Cassettes and records, more so with cassettes, would have limited bottom end response. Not only that but many speakers would not measure well into deep bass territory. To address those limitations, we could turn up the bass to somewhat help the situation. This was by no means the fix, just a band aid. Now, with digital audio delivering 20Hz to 20 KHz with no dynamic loss, we still use tone controls and EQ. iPods deliver clean undistorted audio to our ears at ear splitting levels, yet we still turn it up. Funny how life is with the human condition. CD |
#10
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FM stations boosting bass?
On Feb 17, 10:16*am, codifus wrote:
Now, with digital audio delivering 20Hz to 20 KHz with no dynamic loss, we still use tone controls and EQ. iPods deliver clean undistorted audio to our ears at ear splitting levels, yet we still turn it up. Yeah, yeah... but only through ear-buds, and only if you believe in the polite fiction that the response-curve is flat across the entire range. Otherwise, whatever the electronics might be delivering - what arrives at your ears via even very good speakers in even a very good room will not be anything even close to that 20/20K. But this also politely avoids the initial question - why is (some) FM and why are (some) recordings so blatantly processed? It is my contention that "the Media" does it to overcome the pretty severe limitations of the typical playback system as it exists today - all-in- one and computer-type speakers. I think it is somewhat difficult for the High-End denizens to comprehend how bad it is out there. Once upon a time, every Tom/Dick/ Harry outlet from Sears to Silo to Sam Goodys sold reasonably decent speakers, reasonably decent electronics and so forth. Today, what comes out of the Big-Box outlets is pretty much unrelenting, unmitigated crap focused nearly entirely on Television and the "HOME THEATRE EXPERIENCE" and not much on decent audio. The typical Generation X & Y haven't a clue on two-channel audio or what it means or what it can really do. So, headbanger music on a 2" all-plastic speaker may be processed to a fair-thee-well and make no substantial difference to how it is heard by its intended victims. And the concept of car base tubes pretty much puts any pretense to fidelity out of the question. Peter Wieck Melrose Park, PA |
#11
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FM stations boosting bass?
On Mon, 16 Feb 2009 18:53:23 -0800, Howard Davis wrote
(in article ): "Walt" wrote in message ... Howard Davis wrote: I suspect that many FM stations, and some CD recordings, boost the low frequencies to improve their perceived sound quality. Does anyone here know for certain if this is being done? The problem is the exaggerated bass comes through and sounds unnatural on better than typical systems FM stations do all manner of processing on their signal( to the point where on some stations I can barely hear the "music" through the compression artifacts.) Frequency response anomalies are definitely there as a result of multi-band limiting, which may manifest itself as too much bass or not enough, depending on the source material. Simply booting the bass most likely wouldn't cut it, since the object of the game is overall perceived loudness (at all costs!). As for CD's, *every* commercial release goes through a mastering process where EQ may be applied (it was always applied in the case of vinyl mastering, for CDs it's optional but usual) See http://en.wikipedia.org/wiki/Loudness_war Thanks for the reply. With all the overcompression and deliberately unflat response, as well as multipath distortion, I think it is a waste for a real audiophile that has invested in good equipment and proper setup to listen to FM at all. What about digital FM? I understand that Sony has a digital tuner (terrestrial, not satellite) that is dynamite. Its about $100 and they say it sounds great. I dunno, never heard terrestrial digital audio broadcasts. |
#12
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FM stations boosting bass?
On Tue, 17 Feb 2009 07:16:50 -0800, codifus wrote
(in article ): On Feb 16, 4:33*pm, Peter Wieck wrote: ...... Yes, I am cynical. ..... Peter Wieck Melrose Park, PA LOL! Think happy thoughts, man! What's even more ironic about this audio age we live in is that, with the perfection of digital audio, there is even less and less a need to EQ or have tone controls on an audio system. Back in the day we would boost the bass and treble for all the wrong reasons, be it to get more oomph or hear more clarity, but the tone controls really did have a reason to exist. Cassette audio had limited high frequency extension and so could be compensated for by turning the treble up a bit. Cassettes and records, more so with cassettes, would have limited bottom end response. Not only that but many speakers would not measure well into deep bass territory. To address those limitations, we could turn up the bass to somewhat help the situation. This was by no means the fix, just a band aid. Now, with digital audio delivering 20Hz to 20 KHz with no dynamic loss, we still use tone controls and EQ. iPods deliver clean undistorted audio to our ears at ear splitting levels, yet we still turn it up. Funny how life is with the human condition. CD I dunno. If digital is so perfect, why is it that I find myself more and more pulling out LPs to play whenever I want to really listen seriously to music? I'm finding that CDs are fine when I'm reading, but for some reason do not satisfy when it comes to lights-out listening, when all of my attention is focused on the music. Certainly CD has more dynamic range, flatter frequency response, is not plagued by ticks and pops, surface noise, speed stability issues, etc. But damn it, lately, after not listening to LP for a number of years, I'm finding that the best LPs just plain sound better; more involving, more real. I started to notice this the last time this subject came up on this forum. I pulled out a couple of LPs that I remembered as sounding somewhat better than the CD versions of he same title, and from there, I started to "rediscover" my LP collection. Now I listen to me CD collection (either from the discs themselves or from my music server) mostly as background. The real listening is via LP. Strange. |
#13
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FM stations boosting bass?
On Feb 17, 3:05*pm, Peter Wieck wrote:
comprehend how bad it is out there. Once upon a time, every Tom/Dick/ Harry outlet from Sears to Silo to Sam Goodys sold reasonably decent speakers, reasonably decent electronics and so forth. Today, what comes out of the Big-Box outlets is pretty much unrelenting, unmitigated crap focused nearly entirely on Television and the "HOME THEATRE EXPERIENCE" and not much on decent audio. I'm not so sure I'd go that far. There's always been plenty of crap on the market. And to the extent that recordings are optimized for boomboxes and earbuds, that's a tragedy. But I think a college kid with $500 in his pocket can buy much better sound today, even in Best Buy, than he could 30 years ago—when I was a college kid with $500 in his pocket. bob |
#14
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FM stations boosting bass?
"Sonnova" wrote in message
... On Tue, 17 Feb 2009 07:16:50 -0800, codifus wrote (in article ): On Feb 16, 4:33 pm, Peter Wieck wrote: ...... Yes, I am cynical. ..... Peter Wieck Melrose Park, PA LOL! Think happy thoughts, man! What's even more ironic about this audio age we live in is that, with the perfection of digital audio, there is even less and less a need to EQ or have tone controls on an audio system. Back in the day we would boost the bass and treble for all the wrong reasons, be it to get more oomph or hear more clarity, but the tone controls really did have a reason to exist. Cassette audio had limited high frequency extension and so could be compensated for by turning the treble up a bit. Cassettes and records, more so with cassettes, would have limited bottom end response. Not only that but many speakers would not measure well into deep bass territory. To address those limitations, we could turn up the bass to somewhat help the situation. This was by no means the fix, just a band aid. Now, with digital audio delivering 20Hz to 20 KHz with no dynamic loss, we still use tone controls and EQ. iPods deliver clean undistorted audio to our ears at ear splitting levels, yet we still turn it up. Funny how life is with the human condition. CD I dunno. If digital is so perfect, why is it that I find myself more and more pulling out LPs to play whenever I want to really listen seriously to music? I'm finding that CDs are fine when I'm reading, but for some reason do not satisfy when it comes to lights-out listening, when all of my attention is focused on the music. Certainly CD has more dynamic range, flatter frequency response, is not plagued by ticks and pops, surface noise, speed stability issues, etc. But damn it, lately, after not listening to LP for a number of years, I'm finding that the best LPs just plain sound better; more involving, more real. I started to notice this the last time this subject came up on this forum. I pulled out a couple of LPs that I remembered as sounding somewhat better than the CD versions of he same title, and from there, I started to "rediscover" my LP collection. Now I listen to me CD collection (either from the discs themselves or from my music server) mostly as background. The real listening is via LP. Strange. Welcome to the club. Now you know why some of us just can't accept the conventional engineering wisdom. |
#15
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FM stations boosting bass?
On Tue, 17 Feb 2009 19:04:51 -0800, Harry Lavo wrote
(in article ): "Sonnova" wrote in message ... On Tue, 17 Feb 2009 07:16:50 -0800, codifus wrote (in article ): On Feb 16, 4:33 pm, Peter Wieck wrote: ...... Yes, I am cynical. ..... Peter Wieck Melrose Park, PA LOL! Think happy thoughts, man! What's even more ironic about this audio age we live in is that, with the perfection of digital audio, there is even less and less a need to EQ or have tone controls on an audio system. Back in the day we would boost the bass and treble for all the wrong reasons, be it to get more oomph or hear more clarity, but the tone controls really did have a reason to exist. Cassette audio had limited high frequency extension and so could be compensated for by turning the treble up a bit. Cassettes and records, more so with cassettes, would have limited bottom end response. Not only that but many speakers would not measure well into deep bass territory. To address those limitations, we could turn up the bass to somewhat help the situation. This was by no means the fix, just a band aid. Now, with digital audio delivering 20Hz to 20 KHz with no dynamic loss, we still use tone controls and EQ. iPods deliver clean undistorted audio to our ears at ear splitting levels, yet we still turn it up. Funny how life is with the human condition. CD I dunno. If digital is so perfect, why is it that I find myself more and more pulling out LPs to play whenever I want to really listen seriously to music? I'm finding that CDs are fine when I'm reading, but for some reason do not satisfy when it comes to lights-out listening, when all of my attention is focused on the music. Certainly CD has more dynamic range, flatter frequency response, is not plagued by ticks and pops, surface noise, speed stability issues, etc. But damn it, lately, after not listening to LP for a number of years, I'm finding that the best LPs just plain sound better; more involving, more real. I started to notice this the last time this subject came up on this forum. I pulled out a couple of LPs that I remembered as sounding somewhat better than the CD versions of he same title, and from there, I started to "rediscover" my LP collection. Now I listen to me CD collection (either from the discs themselves or from my music server) mostly as background. The real listening is via LP. Strange. Welcome to the club. Now you know why some of us just can't accept the conventional engineering wisdom. It sure doesn't make a lot of sense, though. Digital should be perfect. Hell, digital IS perfect, but it doesn't sound as much like music as does a good LP. Don't ask me why........ |
#16
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FM stations boosting bass?
On Feb 17, 6:53*pm, bob wrote:
But I think a college kid with $500 in his pocket can buy much better sound today, even in Best Buy, than he could 30 years ago—when I was a college kid with $500 in his pocket. My first stereo purchased in 1973 consisted of AR4x speakers, AR integrated amplifier, Pioneer SE10 turntable with a Rabco SL8E arm, Shure cartridge, and a Dynaco FM5 (from kit) tuner. I paid $425 for it all at the time - the savings from a full summer's worth of work after paying rent and so forth. All but tuner, turntable, arm and cartridge was purchased used - and that set came from a store that was closing up shop (Tech HiFi) and so was pretty much remaindering everything left on the shelves. I remember that the arm, table, tuner and cartridge set me $225, the speakers and the amp came in at $100 each. For that same money today, one will pretty much get amalgamated, homogenized pacific-rim crap - just my opinion. For that same money adjusted for inflation ($2061), one might *just* do OK - but again likely have to get lucky and also go for legacy and used equipment. In neither case would it happen at Best Buy or any of its clones. Peter Wieck Melrose Park, PA |
#17
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FM stations boosting bass?
On Feb 18, 10:25*am, Peter Wieck wrote:
On Feb 17, 6:53*pm, bob wrote: But I think a college kid with $500 in his pocket can buy much better sound today, even in Best Buy, than he could 30 years ago—when I was a college kid with $500 in his pocket. My first stereo purchased in 1973 consisted of AR4x speakers, AR integrated amplifier, Pioneer SE10 turntable with a Rabco SL8E arm, Shure cartridge, and a Dynaco FM5 (from kit) tuner. I paid $425 for it all at the time - the savings from a full summer's worth of work after paying rent and so forth. All but tuner, turntable, arm and cartridge was purchased used - and that set came from a store that was closing up shop (Tech HiFi) and so was pretty much remaindering everything left on the shelves. I remember that the arm, table, tuner and cartridge set me $225, the speakers and the amp came in at $100 each. For that same money today, one will pretty much get amalgamated, homogenized pacific-rim crap - just my opinion. For that same money adjusted for inflation ($2061), one might *just* do OK - but again likely have to get lucky and also go for legacy and used equipment. In neither case would it happen at Best Buy or any of its clones. Well, you've both moved the goalposts and tilted the playing field. You tilted the playing field by contrasting your used/remaindered purchases of old with the price of new gear. And you've moved the goalposts away from the Sears-to-BestBuy comparison you made originally. In 1978, I bought a 25w Technics receiver for $175. For that (nominal) price today, you could buy twice the power. 100w receivers are available for less than $300. They were practically unheard of in the 70s. I've heard it said that the tuners in today's receivers are not as good as the old ones, and I won't dispute that. OTOH, $100 will buy you a pretty good unit today: http://ham-radio.com/k6sti/xdr-f1hd.htm Comparisons between the disk players of yesteryear and the disk players of today aren't even fair. :-) That leaves speakers. Again, improvements over the decades are obvious at every price point, and especially at the Sears/BestBuy end of the spectrum. Big box retailers in my area have carried the Harman brands, Paradigm and other makers designing according to principles that were unknown in the 70s. And consumers today aren't constrained by what local retailers carry. Our Silo is called Crutchfield. In 1978, I spent $500 on a system that, frankly, wasn't very good. A kid today picking components at random enjoys better sound than I had. I'm sure a knowledgeable consumer could pull together a modern system that would leave your old on in the dust as well. bob |
#18
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FM stations boosting bass?
"Sonnova" wrote in message
... Welcome to the club. Now you know why some of us just can't accept the conventional engineering wisdom. It sure doesn't make a lot of sense, though. Digital should be perfect. Hell, digital IS perfect, but it doesn't sound as much like music as does a good LP. Don't ask me why........ Pretty simple. As much as some people like to believe otherwise, the "audiophile" listening experience - for that matter, ANY listening experience that is done for personal pleasure - is NOT about accuracy in any objective sense. It is about getting something that sounds *pleasing* to *you*. Bob M. |
#19
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FM stations boosting bass?
Sonnova wrote:
On Mon, 16 Feb 2009 18:53:23 -0800, Howard Davis wrote I think it is a waste for a real audiophile that has invested in good equipment and proper setup to listen to FM at all. I listen to FM radio for convenience, or to hear music that's not part of my collection. It's not an audiophile thing. What about digital FM? In the US, it's bit rate reduced to 10% of the CD bitrate, so it's bad mp3 quality at best. Then you still have all the processing as before... I understand that Sony has a digital tuner (terrestrial, not satellite) that is dynamite. That's a tuner that uses DSP to receive an analog signal. Supposed to be good, but the signal will still be overprocessed - not much you can do at receive time to fix that. //Walt |
#20
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FM stations boosting bass?
On Feb 18, 11:21*pm, bob wrote:
Well, you've both moved the goalposts and tilted the playing field. You tilted the playing field by contrasting your used/remaindered purchases of old with the price of new gear. And you've moved the goalposts away from the Sears-to-BestBuy comparison you made originally. Not really. Every item I mentioned was still in current production as of the purchase date. Up to, and including the SL8E, albeit only by special order. That I got it 'used' or 'remaindered' does not change the fact that I purchased current-production items at-retail. Sears, briefly, sold AR speakers and AR electronics (AR US, not the latter- day Taiwan stuff). As did Silo, Allied and several others. Heath even sold AR speaker kits. I agree with you that *some* modern speakers are designed to principles unknown 30 years ago. And so the costs have come down relative to all things. But most speakers today are smaller and less massive than in the past and are pretty thin at the bass even if better at treble and midrange in _SOME_ cases. What really has happened to low-end speakers is that they have become much more efficient. Not so bad a thing if LOUD is the requirement. But, I really doubt that there are any speakers that would allow an entire system to fall within your arbitrary $500 price range that will match a clean pair of AR4x for sound and dynamic range. Sure, if you go with the $2016 - and I still think that legacy speakers generally outperform modern speakers at every level *below* the high-end. Just my opinion based on quite a bit of exposure. We can agree that electronics have gotten much cheaper-per-watt than before, and that even moderately priced electronics are pretty good these days. This is about the single largest measurable and undeniable improvement to the industry. As to disc systems - yeah. The CD has changed things a bit over vinyl and tape. No denial there. Should we start discussing tubes? Yikes!! (Yeah, I keep three tube systems). Point being that while good sound is possible from typical OTC sources today, the great unwashed is largely ignorant of it, has never been exposed to it, and is clueless as to its implications. FM station owners, CD manufacturers and producers cater to the great unwashed. So they will 'colorize' their offerings to appeal to their market. Small aside: A piece of equipment I own now (Revox A720) cost $1495 in 1973. more than 3x what I paid for my entire system at the time. Peter Wieck Melrose Park, PA |
#21
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FM stations boosting bass?
On Feb 18, 11:21*pm, bob wrote:
Harman brands, Paradigm and other makers designing according to principles that were unknown in the 70s. What principles would those be? |
#22
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FM stations boosting bass?
On Feb 19, 10:23*am, Peter Wieck wrote:
I agree with you that *some* modern speakers are designed to principles unknown 30 years ago. An example, please? |
#23
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FM stations boosting bass?
Sonnova wrote:
It sure doesn't make a lot of sense, though. Digital should be perfect. Hell, digital IS perfect, but it doesn't sound as much like music as does a good LP. Don't ask me why........ And if you compare the LP with the same one transferred to a digital media by yourself and without any 'enhancing'. How does that come out? |
#24
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FM stations boosting bass?
On Feb 19, 12:29*pm, wrote:
On Feb 18, 11:21*pm, bob wrote: Harman brands, Paradigm and other makers designing according to principles that were unknown in the 70s. What principles would those be? Oh, nothing. I was just trying to get your attention. Now that I have, Dick, do you think the consumer on a "modest" budget today has better-quality speakers available to him than his counterpart in the 1970s? bob |
#25
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FM stations boosting bass?
On Feb 18, 11:21*pm, bob wrote:
On Feb 18, 10:25*am, Peter Wieck wrote: On Feb 17, 6:53*pm, bob wrote: But I think a college kid with $500 in his pocket can buy much better sound today, even in Best Buy, than he could 30 years ago—when I was a college kid with $500 in his pocket. I can remember the typical equipment that college students had 40 years ago and most of it was total junk by modern standards. snip In 1978, I bought a 25w Technics receiver for $175. For that (nominal) price today, you could buy twice the power. 100w receivers are available for less than $300. They were practically unheard of in the 70s. Many of the $300 receivers are surround-sound capable and all offer a much wider variety of features compared to legacy receivers. I've heard it said that the tuners in today's receivers are not as good as the old ones, and I won't dispute that. OTOH, $100 will buy you a pretty good unit today:http://ham-radio.com/k6sti/xdr-f1hd.htm Perhaps the tuners are not as good or there may be other problems. There is a good deal more RFI at FM frequencies in homes today given the abundance of computers, game consoles and similar digital electronics found in many homes. Then again, the quality of most FM broadcasts is not what it used to be. The receiver manufacturers may not feel compelled to worry about tuner quality. With the rise of the internet radio stations with the vast array of programming available, a robust future for FM music broadcasts seems unlikely. Comparisons between the disk players of yesteryear and the disk players of today aren't even fair. :-) The less expensive record players of old could easily grind record to dust in well under 100 plays. The penny on the tonearm tweak, however, may have provided a short term tracking benefit. That leaves speakers. Again, improvements over the decades are obvious at every price point, and especially at the Sears/BestBuy end of the spectrum. Big box retailers in my area have carried the Harman brands, Paradigm and other makers designing according to principles that were unknown in the 70s. For the most part, lower cost speakers are much better than inflation- adjusted comparably priced speakers of old. It is less clear what price advantages modern speakers of equivalent quality have. It seems unlikely that modern speakers offer less value than earlier speakers when they were new. At the same time, however, many older speakers are still capable of provided high quality sound today. And consumers today aren't constrained by what local retailers carry. Our Silo is called Crutchfield. In 1978, I spent $500 on a system that, frankly, wasn't very good. A kid today picking components at random enjoys better sound than I had. I'm sure a knowledgeable consumer could pull together a modern system that would leave your old on in the dust as well. Certainly, advances in electronics and related technology offer the possibility of much better value for newer sound systems. |
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FM stations boosting bass?
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FM stations boosting bass?
On Thu, 19 Feb 2009 12:13:24 -0800, bob wrote
(in article ): On Feb 19, 12:29*pm, wrote: On Feb 18, 11:21*pm, bob wrote: Harman brands, Paradigm and other makers designing according to principles that were unknown in the 70s. What principles would those be? Oh, nothing. I was just trying to get your attention. Now that I have, Dick, do you think the consumer on a "modest" budget today has better-quality speakers available to him than his counterpart in the 1970s? bob Absolutely. Speakers have come a long way, baby. But those strides are a result of the DEVELOPMENT of known principles using, in many instances, new materials such as kevlar, metalized Mylar, and carbon fiber to refine designs already known about. These new materials help speaker manufacturers more closely approach known, theoretical ideals by lowering moving mass, increasing stiffness, thereby reducing modal characteristics of the transducers so that they more closely approach the ideal transducer. Each application, when judiciously applied, improves speaker performance over what came before. The AR3, for instance was a breakthrough speaker in the 1950's and was a revelation to all who heard it. BUT, by today's standards it's primitive. I have an acquaintance who has a pair that have recently been overhauled by a guy who lives in my area who does that. He re-cones the drivers in exactly the same way that the originals were constructed, uses new caps in the crossover, and guarantees that the refurbished ARs meet original, factory specs. They sound so mediocre that it's hard to imagine what all the hullabaloo was about them at the time. Everything else must have been truly dreadful. When I was a teen audiophile, the speakers everybody lusted over were either Altec-Lansing A7 "Voice of the Theaters" or Klipschorns. I know for a fact, that even with 15-inch woofers, an A7 could barely dip to 100 Hz before rolling off steeply (it was 9 dB down at 40 Hz with a +2dB peak around 35 falling like a stone below that [-12dB at 20Hz]) and that the treble horn rang like a bell at around 500 Hz. Klipschorns were better, with USABLE (whatever that means) response to 25 Hz (Source for all these figures: Howard Tremaine's "Audio Cyclopedia"). Of course, Klipschorns WERE 50% efficient, meaning that an early 1960's 6-transistor AM pocket-sized radio could blast one out of the room from the earphone jack when connected to the Klipschorn's amp terminals (been there done that. As a teen, a friends dad had an original Klipschorn (mono system) and we used to marvel at how loud my little pocket-sized Realistic transistor radio would drive it!). I'd say that we've come very far since the 50's OR the 70's. |
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FM stations boosting bass?
On Thu, 19 Feb 2009 12:15:18 -0800, jwvm wrote
(in article ): On Feb 18, 11:21*pm, bob wrote: On Feb 18, 10:25*am, Peter Wieck wrote: On Feb 17, 6:53*pm, bob wrote: But I think a college kid with $500 in his pocket can buy much better sound today, even in Best Buy, than he could 30 years ago—when I was a college kid with $500 in his pocket. I can remember the typical equipment that college students had 40 years ago and most of it was total junk by modern standards. snip In 1978, I bought a 25w Technics receiver for $175. For that (nominal) price today, you could buy twice the power. 100w receivers are available for less than $300. They were practically unheard of in the 70s. Many of the $300 receivers are surround-sound capable and all offer a much wider variety of features compared to legacy receivers. I've heard it said that the tuners in today's receivers are not as good as the old ones, and I won't dispute that. OTOH, $100 will buy you a pretty good unit today:http://ham-radio.com/k6sti/xdr-f1hd.htm Perhaps the tuners are not as good or there may be other problems. There is a good deal more RFI at FM frequencies in homes today given the abundance of computers, game consoles and similar digital electronics found in many homes. Then again, the quality of most FM broadcasts is not what it used to be. Boy you can say that again. I remember as a teen growing-up in a Washington DC suburb, I could pick-up great live broadcasts of concerts from the Watergate barge in the summer and the State Department Auditorium in the winter of the President's Army, Air Force, Navy and Marine Bands as well as live performances of the Washington Symphony Orchestra from the rotunda of the National Gallery. First in mono, then in stereo, these performances sounded GREAT. No compression, no limiting, no fiddling with the frequency response (that I knew of, anyway). I could sit in my easy chair in my room with my Eico HFT-90 tuner (later equiped with an Allied Radio "Knight-Kit" FM Stereo demodulator) connected to my 20-Watt/channel Knight-Kit tube integrated amp powering a pair of 12" Electro-Voice "Wolverine" coaxial speakers mounted in bass reflex cabinets that my dad built for me, and hear live FM broadcasts almost any weekend. Frankly, I've had no audio experiences SINCE that captured the magic of those live broadcasts! The receiver manufacturers may not feel compelled to worry about tuner quality. With the rise of the internet radio stations with the vast array of programming available, a robust future for FM music broadcasts seems unlikely. Comparisons between the disk players of yesteryear and the disk players of today aren't even fair. :-) The less expensive record players of old could easily grind record to dust in well under 100 plays. The penny on the tonearm tweak, however, may have provided a short term tracking benefit. Not all turntables and arms from yesteryear were record destroyers. I have records that I bought as a kid in the late 1950's through the 1960's that still play and sound fine. As a teen, I wanted an AR turntable, but could never muster the $70 that one cost (plus the cost of a suitable phono cartridge). I settled, finally, for a Bang & Olufsen "Beogram" unit ($40, including cartridge). It turned out to be a better table all around than the AR. It was belt drive like the AR (but lacked the AR's pretty, 12-inch diameter, thick aluminum polished platter and sophisticated suspension) but had a MUCH better arm (gimble bearing arm pivot - like a compass) and no head shell, the then excellent B&O "Stereodyne" variable reluctance cartridge plugged directly into the end of the arm (which was bent at exactly the right angle for the cartridge and assured proper geometry) and required no head-shell, so that lowered the pick-up's mass (a picture of a similar Beogram to mine can be found at http://www.beoworld.org/prod_details.asp?pid=264). Mine was an older model and apparently, was not officially called a Beogram, but it had essentially the same arm/cartridge. Anyway, I credit this excellent (for the era) arm/cartridge combo for the good shape in which many of my older records have traversed the years. |
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FM stations boosting bass?
On Thu, 19 Feb 2009 11:27:17 -0800, Iordani wrote
(in article ): Sonnova wrote: It sure doesn't make a lot of sense, though. Digital should be perfect. Hell, digital IS perfect, but it doesn't sound as much like music as does a good LP. Don't ask me why........ And if you compare the LP with the same one transferred to a digital media by yourself and without any 'enhancing'. How does that come out? I only have done that a couple of times, but the results were that I couldn't tell the difference. I'm not sure what that result bespeaks. |
#31
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FM stations boosting bass?
On Feb 19, 3:13*pm, bob wrote:
On Feb 19, 12:29*pm, wrote: On Feb 18, 11:21*pm, bob wrote: Harman brands, Paradigm and other makers designing according to principles that were unknown in the 70s. What principles would those be? Oh, nothing. I was just trying to get your attention. Just lost it. Now that I have, Dick, do you think the consumer on a "modest" budget today has better-quality speakers available to him than his counterpart in the 1970s? There is a potential, yes, but I fear that potential may go unrealized. The biggest advances in loudspeakers over the last 3 decades involve more evolutionary changes, with very, very little revolutionary happening. Primarily, materials science in drivers is about it. Next to that, the largest factor contributing to the potential of better loudspeakers at lower prices is the reduction in labor costs involved in loudspeakers primarily associated with most of the manufacturing having moved to the Far East. Unfortunately, this same factor has resulted in a failure to realize the potential. While the price of a given assemblage of parts is in terms of real dollar is significantly lower than it was 20-30 years ago, and while the quality of those parts is certainly no worse and often better than 20-30 years ago, the net quality of the drivers is no better and often unpredictably much worse. The reason is sometimes difficult to accept. I'm as much into a world view and non-prejudice view as the next guy, but I and my clients have found that, with very few exceptions, the mainland Chinese driver sources suffer all from the same problem: they simply do not care in the least whether what they make is what you want or even what they claim it is. I have gone so far as specified a driver down to specific vendors for each and every individual part, they'll work hard to make it the way you want for the sample approval stage, but once production is running, they reserve the right to, at their whim and without notice, change anything at all. They'll also take a design that, by contract, is your specific proprietary design, and sell it to whoever will pay for it, and even at a price better than what you're paying for it. Since mainland China is one of THE major suppliers of drivers, the fact that they simply don't give a **** has a MAJOR impact on the entire industry. I have even had battles where they claim they measure one thng (say, fundamental resonance is 150 Hz), and I consitently measure something else entirely (250 Hz), and they simply don't care. GO buy your drivers from the guy down the street, there's plenty of business to go around anyway. So, the short answer is, yes, better speakers COULD be available at lower prices. As often as not, they aren't. |
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FM stations boosting bass?
On Feb 19, 2:27*pm, wrote:
On Feb 19, 10:23*am, Peter Wieck wrote: I agree with you that *some* modern speakers are designed to principles unknown 30 years ago. An example, please? Wooden diaphrams, for one thing. Shaved, plasticized, rigid wood. Plastic diaphrams, for another. Various sorts of planar speakers that were only barely off the drawing boards 30+ years ago. The intent is unchanged, the processes getting to it have evolved considerably, and the principles behind those processes have also evolved necessarily. I am not so sure if I believe that all that evolution is 100% worthwhile. Peter Wieck Melrose Park, PA |
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FM stations boosting bass?
On Thu, 19 Feb 2009 20:15:19 -0800, Sonnova wrote
(in article ): On Thu, 19 Feb 2009 12:15:18 -0800, jwvm wrote (in article ): On Feb 18, 11:21*pm, bob wrote: On Feb 18, 10:25*am, Peter Wieck wrote: On Feb 17, 6:53*pm, bob wrote: But I think a college kid with $500 in his pocket can buy much better sound today, even in Best Buy, than he could 30 years ago—when I was a college kid with $500 in his pocket. I can remember the typical equipment that college students had 40 years ago and most of it was total junk by modern standards. snip In 1978, I bought a 25w Technics receiver for $175. For that (nominal) price today, you could buy twice the power. 100w receivers are available for less than $300. They were practically unheard of in the 70s. Many of the $300 receivers are surround-sound capable and all offer a much wider variety of features compared to legacy receivers. I've heard it said that the tuners in today's receivers are not as good as the old ones, and I won't dispute that. OTOH, $100 will buy you a pretty good unit today:http://ham-radio.com/k6sti/xdr-f1hd.htm Perhaps the tuners are not as good or there may be other problems. There is a good deal more RFI at FM frequencies in homes today given the abundance of computers, game consoles and similar digital electronics found in many homes. Then again, the quality of most FM broadcasts is not what it used to be. Boy you can say that again. I remember as a teen growing-up in a Washington DC suburb, I could pick-up great live broadcasts of concerts from the Watergate barge in the summer and the State Department Auditorium in the winter of the President's Army, Air Force, Navy and Marine Bands as well as live performances of the Washington Symphony Orchestra from the rotunda of the National Gallery. First in mono, then in stereo, these performances sounded GREAT. No compression, no limiting, no fiddling with the frequency response (that I knew of, anyway). I could sit in my easy chair in my room with my Eico HFT-90 tuner (later equiped with an Allied Radio "Knight-Kit" FM Stereo demodulator) connected to my 20-Watt/channel Knight-Kit tube integrated amp powering a pair of 12" Electro-Voice "Wolverine" coaxial speakers mounted in bass reflex cabinets that my dad built for me, and hear live FM broadcasts almost any weekend. Frankly, I've had no audio experiences SINCE that captured the magic of those live broadcasts! The receiver manufacturers may not feel compelled to worry about tuner quality. With the rise of the internet radio stations with the vast array of programming available, a robust future for FM music broadcasts seems unlikely. Comparisons between the disk players of yesteryear and the disk players of today aren't even fair. :-) The less expensive record players of old could easily grind record to dust in well under 100 plays. The penny on the tonearm tweak, however, may have provided a short term tracking benefit. Not all turntables and arms from yesteryear were record destroyers. I have records that I bought as a kid in the late 1950's through the 1960's that still play and sound fine. As a teen, I wanted an AR turntable, but could never muster the $70 that one cost (plus the cost of a suitable phono cartridge). I settled, finally, for a Bang & Olufsen "Beogram" unit ($40, including cartridge). It turned out to be a better table all around than the AR. It was belt drive like the AR (but lacked the AR's pretty, 12-inch diameter, thick aluminum polished platter and sophisticated suspension) but had a MUCH better arm (gimble bearing arm pivot - like a compass) and no head shell, the then excellent B&O "Stereodyne" variable reluctance cartridge plugged directly into the end of the arm (which was bent at exactly the right angle for the cartridge and assured proper geometry) and required no head-shell, so that lowered the pick-up's mass (a picture of a similar Beogram to mine can be found at http://www.beoworld.org/prod_details.asp?pid=264). Mine was an older model and apparently, was not officially called a Beogram, but it had essentially the same arm/cartridge. Anyway, I credit this excellent (for the era) arm/cartridge combo for the good shape in which many of my older records have traversed the years. The actual turntable that I had was the B&O 42V. I found it AFTER I posted the above. http://tinyurl.com/bksmsv Except the blog is wrong. This table was belt drive, not rim drive. I had to replace the belt once so I know that for sure. |
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FM stations boosting bass?
On Feb 20, 6:02*am, Peter Wieck wrote:
On Feb 19, 2:27*pm, wrote: On Feb 19, 10:23*am, Peter Wieck wrote: I agree with you that *some* modern speakers are designed to principles unknown 30 years ago. An example, please? Wooden diaphrams, for one thing. 1920's, thank you. Shaved, plasticized, rigid wood. Oh, please, these are hardly "principles." They are, in most cases, the results of unguided hacking about, looking for some miraculous "revolution." The fact that this wort of quackery exists is no "revolution," it's merely existance proof that gullibility and hucksterism is alive and well everywhere. Bernie Madoff would have done quite well in the high-end audio business When the Japanese section of the AES became real in the 1970's, there was a flood of articles on "revolutionary" loudspeaker "principles." With rare exception, they were all about new and miraculous materials and processes used in the manufacture of loudspeaker diaphragms. Here are just a few examples: "High-Fidelity Loudspeakers with Boronized Titanium Diaphragms" "Tweeter use new structure and new material for Diaphragm." "Loudspeaker with Honeycomb Disk Diaphragm" "Polymer-Graphite Composite Diaphragm" "Reinforced Olefin Polymer Diaphragm" "Glass-Fiber and Graphite-Flake Reinforced Polyimide Composite Diaphragm for Loudspeakers." Two common attributes are shared by all these articles: 1) They list MANY authors (an average of 5 per article) and 2) none of these "revolutionary principles" are in use in any product today. Plastic diaphrams, for another. KEF was selling them as part of their normal line in the 1960's, among many others. Various sorts of planar speakers that were only barely off the drawing boards 30+ years ago. That'd be 1979. Magnapan had already been in business several years at that point. There is an entire chapter on what looks remarkably like modern magnetic planar speakers in MacLaclan's "Loudspeakers" in the 1960 reprint. I don't know if it was in the original published in 1934. The intent is unchanged, the processes getting to it have evolved considerably, and the principles behind those processes have also evolved necessarily. "Necessarily?" I am not so sure if I believe that all that evolution is 100% worthwhile. Look, by "principles", we're not talking the fact that Foster is now able to pawn off the same **** they made 40 years ago as new "revolutionary" ****. We're talking the work of people like Thiele, Small, Benson, Vanderkooy and many other who have done REAL work and REAL innovation. |
#35
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FM stations boosting bass?
"Sonnova" wrote in message
On Thu, 19 Feb 2009 11:27:01 -0800, wrote (in article ): On Feb 19, 10:23 am, Peter Wieck wrote: I agree with you that *some* modern speakers are designed to principles unknown 30 years ago. An example, please? I sure can't think of any. Electrostatics? No, they're more than 30 years old. Maybe the sputtered metalized Mylar used in their diaphragms - But that's materials technology not speaker technology, per se. Planar magnetics? No, again, this idea is more than 30 years old (but only just). Horn speakers? Granted that modern horns are a far cry from their ancestors, but, again, horns are among the earliest of speaker technologies. Acoustic suspension harks back to the late 1940's as does the concept of mass-loaded ports. using carbon fiber and Kevlar for cones is, again, materials technology and not new speaker "principles". Ribbons go back to the dawn of speaker development and the concept of "Time-Alignment" or phase coherence in driver arrangement was patented by E.M. Long in the early seventies, so that's more than 30 years old. Can anybody else come up with truly "new" speaker principles that were developed after 1979? I can't. Mr. Pierce is a wily old critter who has had his fingers on the heart of loudspeaker issues just about forever. His choice of 1979 is pretty strategic, if he backed off a decade, there might be a chance. Maybe the Heil Air Motion Transformer might fit if we went back to 1969, maybe not. Maybe constant-directivity horns, maybe not. While the principles haven't changed the application of materials surely has. Your example of aluminized mylar doesn't wash because the real truth is that the stuff that fell out of the sky in Roswell in the late 40s was made out of aluminized mylar. The most important materials upgrades for speakers have been in the areas of glues and varnishes and how to use them. Heck, even treated paper can still be SOTA! Surprisingly enough, the newer stuff that seems high tech, like ceramics and aerogels haven't done a lot for performance, at least not yet. |
#36
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FM stations boosting bass?
"Iordani" wrote in message
Sonnova wrote: It sure doesn't make a lot of sense, though. Digital should be perfect. Hell, digital IS perfect, but it doesn't sound as much like music as does a good LP. Don't ask me why........ And if you compare the LP with the same one transferred to a digital media by yourself and without any 'enhancing'. How does that come out? Some people are doing this experiement and posting the results on the web - listen for yourself: http://www.hydrogenaudio.org/forums/...howtopic=69601 Sorry about the choice of turntables, but that's where the mainstream vinyl market seems to be these days. |
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FM stations boosting bass?
On Fri, 20 Feb 2009 03:02:31 -0800, Peter Wieck wrote
(in article ): On Feb 19, 2:27*pm, wrote: On Feb 19, 10:23*am, Peter Wieck wrote: I agree with you that *some* modern speakers are designed to principles unknown 30 years ago. An example, please? Wooden diaphrams, for one thing. Shaved, plasticized, rigid wood. Plastic diaphrams, for another. Various sorts of planar speakers that were only barely off the drawing boards 30+ years ago. That's arguably NOT new speaker technology, but materials technology. |
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FM stations boosting bass?
Sonnova wrote:
On Thu, 19 Feb 2009 11:27:17 -0800, Iordani wrote (in article ): Sonnova wrote: It sure doesn't make a lot of sense, though. Digital should be perfect. Hell, digital IS perfect, but it doesn't sound as much like music as does a good LP. Don't ask me why........ And if you compare the LP with the same one transferred to a digital media by yourself and without any 'enhancing'. How does that come out? I only have done that a couple of times, but the results were that I couldn't tell the difference. I'm not sure what that result bespeaks. If I can suggest: 1. Digital IS perfect 2. LP fans can transfer their favorites to digital and save all wear and tear caused by playing them on the turnable. 3. A producer could choose to make a CD as both a CD version *and* an LP version. Just produce one perfect LP copy and transfer this to digital and sell this CD as the (more expensive?) LP-version |
#39
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FM stations boosting bass?
On Feb 20, 12:42*pm, Sonnova wrote:
On Fri, 20 Feb 2009 03:02:31 -0800, Peter Wieck wrote (in article ): An example, please? Wooden diaphrams, for one thing. Shaved, plasticized, rigid wood. Plastic diaphrams, for another. Various sorts of planar speakers that were only barely off the drawing boards 30+ years ago. That's arguably NOT new speaker technology, but materials technology. And in many case, it's not new and it's not even reasonable "technology." For example, the recent craze of "rice paper" speaker cones is some manufacturers selling the same drivers they sold 40 years ago, only giving them a different name, a hype and a WAY different price. |
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FM stations boosting bass?
"Iordani" wrote in message
... Sonnova wrote: On Thu, 19 Feb 2009 11:27:17 -0800, Iordani wrote (in article ): Sonnova wrote: It sure doesn't make a lot of sense, though. Digital should be perfect. Hell, digital IS perfect, but it doesn't sound as much like music as does a good LP. Don't ask me why........ And if you compare the LP with the same one transferred to a digital media by yourself and without any 'enhancing'. How does that come out? I only have done that a couple of times, but the results were that I couldn't tell the difference. I'm not sure what that result bespeaks. If I can suggest: 1. Digital IS perfect 2. LP fans can transfer their favorites to digital and save all wear and tear caused by playing them on the turnable. 3. A producer could choose to make a CD as both a CD version *and* an LP version. Just produce one perfect LP copy and transfer this to digital and sell this CD as the (more expensive?) LP-version I agree with 1 above, or at least, it can be. 44.1-16 bit has been shown to be sonically transparent, so I'm happy to accept the term "perfect". As to the other two suggestions, I think you may have misunderstood the point of playing vinyl for some of us. It's nothing to do with better sound, but to do with the nostalgia of cleaning and clamping, and putting the stylus on, and turning the record over. It's the activity that's the fun part rather than just the music, although of course that's important too. Playing vinyl to me is much like driving a vintage MG or blown Bentley. Great fun, hardly practical for everyday motoring, but nevertheless great fun. S. -- http://audiopages.googlepages.com |
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