http://www.audiobanter.com (rec.audio.high-end) Within the realm of high-end audio, any topic is permitted. Theories, opinions, and questions are all appropriate if they are concerned with the reproduction of music. en Tue, 07 Sep 2010 09:12:21 GMT vBulletin 60 http://www.audiobanter.com/images/002/misc/rss.jpg http://www.audiobanter.com http://www.audiobanter.com/showthread.php?t=124786&goto=newpost Fri, 03 Sep 2010 16:15:12 GMT We've had a hiccup with the post processing software causing many
posts to have an incorrect From header of ". Please
do not reply to those posts as the correct versions should be sent
soon. If you are an author of one of those posts and you don't see the
corrected version by the evening of 9/3. then please let us know.

--
David Bath - RAHE Co-moderator


]]> High End Audio David E. Bath http://www.audiobanter.com/showthread.php?t=124786 http://www.audiobanter.com/showthread.php?t=124760&goto=newpost Wed, 01 Sep 2010 16:41:44 GMT I tried to find some info on the acoustic properties of indoor plants. I searched the following journals J. of the Acoustical Society of America J. of the... I tried to find some info on the acoustic properties of indoor plants.
I searched the following journals

J. of the Acoustical Society of America
J. of the Audio Engineering Society
Applied Acoustics
J. of Sound and Vibration
Acustica/acta acustica
J. of the Acoustical Society of Japan

and engineering databases

Compendex
Inspec

So far I found only three publications:

Sabine, =84 Collected papers on acoustics=93, Harvard University Press
1922

Siekman =93, Outdoor acoustical treatment: grass and trees=94, J. of the
Acoustical Society of America 1969, vol. 46, no. 4 (part 1), p.863

http://www.plants-in-buildings.com/acoustic.php

Are there any other journals that might be relevant? Any other
websites, books?

Klaus
]]> High End Audio klausrampelmann@hotmail.com http://www.audiobanter.com/showthread.php?t=124760 http://www.audiobanter.com/showthread.php?t=124759&goto=newpost Wed, 01 Sep 2010 16:02:24 GMT I discover the wireless receiver on an Apple TV is kind of marginal, at least when compared to my MacBook Pro. I had to get an ethernet over power line kit... I discover the wireless receiver on an Apple TV is kind of marginal, at
least when compared to my MacBook Pro. I had to get an ethernet over
power line kit to make it work without dropouts.

That caused another problem. I also listen to LPs via a low output MC
cartridge. When the ethernet adaptor is plugged in, it puts a huge
amount of noise on the house wiring that the sensitive MC pre-amp picks
up. It has to be disconnected when playing LPs.

My guess is this would happen no matter where in the house the thing is
plugged in, so you may want to be cautious when using ethernet over
power lines.

]]> High End Audio Robert Peirce http://www.audiobanter.com/showthread.php?t=124759 http://www.audiobanter.com/showthread.php?t=124734&goto=newpost Tue, 31 Aug 2010 00:15:05 GMT Rec.audio.high-end is a moderated group. As stated in our guidelines, submitted messages that are not acceptable for posting to the group will receive a...
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]]> High End Audio http://www.audiobanter.com/showthread.php?t=124734 http://www.audiobanter.com/showthread.php?t=124721&goto=newpost Mon, 30 Aug 2010 02:43:55 GMT I have been fascinated by the idea of music servers but unwilling to pay the price. Then it occurred to me I already had the nucleus of a music server in... I have been fascinated by the idea of music servers but unwilling to pay
the price. Then it occurred to me I already had the nucleus of a music
server in iTunes on my MacBook Pro. Adding a DroboS backup system gave
me all the space I needed and an Apple TV, with its optical output,
provided the way to pass the music to my DAC.

Folks have said that music played from an HD is superior to all but the
most expensive CD players. Let me say it isn't subtle.

I have a fairly good system but I never got into the $40,000 CD players.
I have used a DVD transport with optical output and that is pretty good,
but HD via optical really is superior.

I think the biggest thing I noticed was the sense of space. I was
listening to one recording made in a fairly large, open hall with which
I am familiar, and I could hear the hall and the instruments in it! I
had heard some of this sense of space from my previous system, but not
like this. Recordings made in booths and multi-tracked, sound that way.
It is quite amazing.

This kind of stuff isn't important to a lot of folks, and frankly, I can
listen through a lot of crap if I like the music, but if you have bad
CDs, you will really be able to tell. Unless you really like the music,
you may not want to listen to them anymore.
]]> High End Audio Robert Peirce http://www.audiobanter.com/showthread.php?t=124721 http://www.audiobanter.com/showthread.php?t=124715&goto=newpost Sun, 29 Aug 2010 14:25:45 GMT Last night, I and my little "ad hoc" group of audiophile buds (there are
about 10 of us on-and-off) held a shoot-out of three different (semi)
high-end speaker cables because there were still those among us who believed
that cables make a difference.

One of us brought a 15 ft pair of Kimber 12TC (over $1000). Another brought a
12 ft pair of Audioquest "Rocket 44" speaker cables (circa $1000) and
another brought a 15 ft pair of Monster M2.2s ( around $700). We also went
out and bought a 50 ft shop-style "drop cord" which was comprised of 12
gauge copper wire. We cut the plug and socket off of the cable (buying a
prepared shop extension cord from Harbor Freight, was actually cheaper than
buying 30 ft of regular 12 ga bulk wire at the hardware store), and cut the
cable into two 15 ft lengths. We then terminated the ends with some
gold-plated solder-on banana plugs ordered for the occasion on the internet.
All the cables were terminated with bananas (one pair came so terminated, the
other were terminated in spade lugs which we connected to a set of Monster
dual-banana adapters). All terminations were treated with Stabilant 22
(Tweek).

A home-made comparator employing high-current silver contact, vacuum-sealed
mil-spec relays (this comparator was last used by this same group to switch a
pair of speakers between two different amplifiers) was used to switch between
the two different sets of speaker cables.

The object here was not to pit these three commercial pairs of speaker cables
against each other, but rather to pit each pair, in turn, against the cheap
12 ga Harbor-Freight purchased, orange colored, shop AC extension cable.

After two hours of listening to all types of music from both LP and CD as
well as some of my own recordings on 24-bit/192 KHz DVD-As, The overwhelming
result was that nobody could hear or in any other way, detect, any difference
whatsoever between the sound of any of the three cables and the cable made
from the extension cord. The doubting Thomases doubt no more.

]]> High End Audio Audio Empire http://www.audiobanter.com/showthread.php?t=124715 http://www.audiobanter.com/showthread.php?t=124711&goto=newpost Sat, 28 Aug 2010 19:41:36 GMT Has anyone else here noticed/experienced this? When I listen to CDs, I usually listen to a couple, then turn the stereo off and go do something else (like... Has anyone else here noticed/experienced this? When I listen to CDs, I
usually listen to a couple, then turn the stereo off and go do something else
(like work on the restoration of my Alfa Romeo GTV-6) . But when I listen to
vinyl, I find myself caught-up in the listening. One record leads to another
and then another. If I had a dollar for every time I've stayed-up almost all
night listening to records, I could easily pay for that $10,000 paint job I
want for my Alfa!

There seems to be something compelling about listening to records that CD
can't match (at least for me). I don't know what it is. I like digital, hell,
I record digitally and get very realistic sounding results. I have read
articles by audio writers who have expressed experiencing this phenomenon as
well, but I'm just wondering if anyone on this forum has had similar
experiences?
]]> High End Audio Audio Empire http://www.audiobanter.com/showthread.php?t=124711 http://www.audiobanter.com/showthread.php?t=124702&goto=newpost Fri, 27 Aug 2010 22:59:04 GMT wrote: >Hello group, > >I was wondering if anyone had some experience with Headphone amplifiers with...]]> On 15 Aug 2010 13:34:01 GMT, "Shaun" > wrote:

>Hello group,
>
>I was wondering if anyone had some experience with Headphone amplifiers with
>the crossfeed circuit built into it. I'm interested in less listening
>fatigue and a more realistic listening experience with imaging. I know of a
>couple of companies that make them; any reviews or listener experience.
>

Meier Audio's amplifier products implement crossfeed technology for years and it
was further improved on the DAC product StageDAC. As a years old user, I am a
fan of crossfeed, the effect may not such significant in pop music records but
it is noticeable in classical music. The soundstage becomes more realistic with
crossfeed enabled, so you may feel it is natural and not so easily be fatigue.
]]> High End Audio Michael Chan http://www.audiobanter.com/showthread.php?t=124702 http://www.audiobanter.com/showthread.php?t=124653&goto=newpost Mon, 23 Aug 2010 16:51:56 GMT > I said that BIS recordings USED to sound as if they were compressed. I was > careful to note that I hadn't bought any in a number...]]> Audio Empire wrote:

>
> I said that BIS recordings USED to sound as if they were compressed. I was
> careful to note that I hadn't bought any in a number of years and what BIS
> does NOW, I cannot and did not say.
>
> What I'm not sure that I understand is what "normalizing the level" means in
> van Bahr's context. Any software that "down-samples a 24-bit master (or even
> a DSD Master) to 16/44.1 should cause the recording to be mapped to the lower
> bit depth without having to have the level manipulated. "level normalization
> of whole pieces of music."

I simply meant that presumably the 24 bit recording does not come close
to 0 dB peak level, like -6 of -10 dB peak, so when it was converted to
16 bit, the peak level for the 16 bit master would be set at say -0.5
dB, peak, for a whole piece of music (usually several tracks, and the
tracks would be adjusted as a block not seperately).

And there would be proper dither unless the noise on the 24 bit
master made that unnecessary.

Doug McDonald

]]> High End Audio http://www.audiobanter.com/showthread.php?t=124653 http://www.audiobanter.com/showthread.php?t=124634&goto=newpost Sat, 21 Aug 2010 00:08:15 GMT OK. I'm looking for a "boom-box," an all-in-one, self-contained player
for an iPod, but it has to be reasonably high quality. I have tried a
number of searches but they all come up empty. What's out there that is
worth considering?
]]> High End Audio Robert Peirce http://www.audiobanter.com/showthread.php?t=124634 http://www.audiobanter.com/showthread.php?t=124571&goto=newpost Mon, 16 Aug 2010 13:10:45 GMT I asked this once before but I can't find the information I received. I
find that many CDs and all SACDs have too wide a volume range. If I
want to hear the soft sections, then the loud parts are too loud. (The
BIS Beethoven symphonies are particularly bad in this respect). Can
anyone suggest a decent compressor that I can use to "even out" the
volume levels?


---MIKE---
>>In the White Mountains of New Hampshire
>> (44=B0 15' N - Elevation 1580')

]]> High End Audio ---MIKE--- http://www.audiobanter.com/showthread.php?t=124571 http://www.audiobanter.com/showthread.php?t=124477&goto=newpost Tue, 10 Aug 2010 00:19:41 GMT Rec.audio.high-end is a moderated group. As stated in our guidelines, submitted messages that are not acceptable for posting to the group will receive a...
Rec.audio.high-end is a moderated group.

As stated in our guidelines, submitted messages that are not
acceptable for posting to the group will receive a rejection notice
unless it is one of the following:

1. Spam
2. A "for sale" or "wanted to buy" post.
3. Crossposted
4. Uses a spam-proofed or some other type of non-replyable address.

If you post something that doesn't fit the above 4 categories and you
haven't seen it posted or received a rejection notice after at least
48 hrs on weekdays or 72 hrs on weekends and holidays, then contact
the moderators at:



We will always work with you to determine the cause of the problem.
Please do not assume a lack of acknowledgment as a rejection of your
post. That is not the way we operate.

Note that we will not click any links to have ourselves added to your
"allowed senders" list. We will consider such addresses as invalid.

Please refer to our guidelines that are posted weekly for more info.

Thanks,
RAHE Moderators

--

]]> High End Audio http://www.audiobanter.com/showthread.php?t=124477 http://www.audiobanter.com/showthread.php?t=124476&goto=newpost Mon, 09 Aug 2010 23:47:33 GMT I forgot. I also have Firewire 800, Firewire 400 and USB so I am not locked out because my card slot has an eSata card in it. Regardless, I need some sort... I forgot. I also have Firewire 800, Firewire 400 and USB so I am not
locked out because my card slot has an eSata card in it. Regardless, I
need some sort of high quality external DAC to get the music out.
]]> High End Audio Robert Peirce http://www.audiobanter.com/showthread.php?t=124476