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#1
Posted to rec.audio.high-end
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Building a Hi-Fidelity iTunes Music Server
Just wanted to share this experience I've had building my itunes music
server. My goal was to make it as hifi as possible, within budget contraints, of course. The music server had to be based on itunes because: 1. My library consists of Apple Lossless files. 2. iTunes is a great music management application. I love it flexibility with playlists. The itunes interface is hard to beat. Knowing that the audio quality's there in my lossless files, I just have to find a way to get it out to my stereo . . .with minimal digital destruction Since my DAW is a windows XP box, I started my pursuit there. I ran itunes, connect my echo Mia analog outputs to my stereo. FYI, iTunes plays all its music through quicktime on Windows systems. The music sounded adequete. I kept using my Panasonic S-35 DVD player as my reference. The Pansonic easily beat that setup. Next, I explored the idea of using the SPDIF connection and transferring the music digitally to an SRC converter. I can not afford the Benchmark DAC1, so I searched around and found the Behringer Ultramatch SRC2496. For $120, the price definitely made it worth experimenting with. So my next setup was iTunes on Win XP through my Echo MIA via its SPDIF connector to the SRC2496 to my stereo. That sound was adequete. With all that I had read on the net I had thought that SPDIF would sound much better. Perhaps it was the SRC2496? For some time I almost gave in to beleive that, but then I started to explore another idea that the Behringer may be getting garbage in (as in upsampled digital data somehow), so garbage is coming out. I tried many different iterations of the MIA soundcard, purewave mode, WDM mode. I even reluctantly changed the sample rate from the default of 44.1 Khz to 48 Khz in hopes that the SRC in QUicktime might perhpas be a bit better than Windows, if it was doing any upsampling. Still no dice. The Panasonic DVD player absolutely killed the windows based itunes music server. Next up: foobar2000 based itunes server. I found a plugin on the internet which enables itunes to bypass quicktime and play its' music via foobar2000. I downloaded foobar, the mulit-part plugin and configured everything. For the life of me I could not get iTunes to work. The multiplugin was killing itunes somehow. For kicks I removed the mulitplugin and just played with the newer version of iTunes. A biref digression he my DAW had itunes 6 and was running fine, but the new multiplugin required itunes 7. iTunes 7 runs signinficanly slower on my lowly Pentium III based music server/DAW. Even if I could get this new configuration to work, the sluggishness of iTunes 7 was quite off-putting. Since nothing was working and I desperately wanted to hear at least what this foobar engine was about, I launched foobar and played some wav files I had. They definitely sounded better, but they also sounded strange. Some vinyl that I had digitised experienced unusually emphasized surface noise when playing through foobar. Also, when comparing the foobar output to the Panasonic dvd player, the panasonic still won, but at least fobar was better. Still, with so many glitches in this configuration that I could not get working, I gave up on it. I was fresh out of ideas. Then I thought more about the notion that Windows systems tend to base their audio sampling rates at 48Khz, yet my music is at 44.1 Khz. As mentioned earlier, maybe there's some resampling going on that I do not know about, or have no control over. I've also seen threads saying that Macintosh systems use the base sampling rate of 44.1 Khz. Luckily I have a Macintosh G3 Blue & white minitower that I use for my main "working" PC: browse the web, Word docs etc. Also lucky for me, the Echo Mia has Macintosh drivers. So, off to experiment number 3. I removed the Echo MIA from my windows PC and dropped it into my Mac. Powered it up and installed the drivers. The I fired up itunes (still itunes 6, no upgrade needed) and listened. WOW. From the first few moments I heard it, and I heard it good. The music sounded really good, like music, not processed digital data that's put together to be a close proximity of music. I listened for 30 mintues, which went to an hour, then to 2. It was good. Compared to the Panasonic DVD, the Panasonic still won, but not by much, not by much at all. The main difference I could see was a slight frequency imbalance. If the Panasonic is neutral, then the itunes 6 on Macintosh G3-Echo MIA-SPDIF-SRC2496-stereo was a bit bright, sibilance was a little too hot. Also, every once in a while, the music just skips randomly. It's not the files. When I rewind to the section just skipped over, it plays fine, always. Other than that, the music sounded very good. AND, I think I may be able to address the sibilance and skipping issue. My G3 Macintosh is over-clocked to 400 Mhz. I'm going to take it apart and reset it back to its factory setting of 350 Mhz. We'll see how that goes. With the G3 clocked back to 350 Mhz all skipping is now GONE Also, the frequency balance is much better as well. The music is more neutral now. There is a very slight bump in top end, like around 5-8Khz, but now I think that may be the Behringer analoge side of its D/A converter. I plan on exploring some modifications of the SRC2496. It may not be a DAC1, but less than a 3rd of the price with some future mods, I think it may get quite close. Food for thought for anyone building a computer based music server. |
#2
Posted to rec.audio.high-end
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Building a Hi-Fidelity iTunes Music Server
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#3
Posted to rec.audio.high-end
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Building a Hi-Fidelity iTunes Music Server
Steven Sullivan wrote:
wrote: I found a plugin on the internet which enables itunes to bypass quicktime and play its' music via foobar2000. I downloaded foobar, the mulit-part plugin and configured everything. For the life of me I could not get iTunes to work. The multiplugin was killing itunes somehow. For kicks I removed the mulitplugin and just played with the newer version of iTunes. dbPoweramp Converter claims to be able to convert ALAC (apple lossless) to FLAC. I'd do that then simply use foobar2k as your FLAC player. It supports Kernal streaming if you wish to entirely bypass the Windows sound kmixer. I would consider that if foobar was a great music management application. It's strongest attribute seems to be that, of the many windows music management applications out there, i foobar's audio drivers are high quality. I would tend to agree. As to its music managment? Well . . .iTunes is awesome! Also, look at your solution: "dbPoweramp Converter claims to be able to convert ALAC (apple lossless) to FLAC. I'd do that then simply use foobar2k as your FLAC player." With those complications, I wonder of you could also use that setup as a front end for NASA when launching the shuttle, lol. It's the kind of setup a computer geek would love I just want one program to play my music, play it well and organize it well. End of story. The music program should take care of all those technicalities, not the user. I'd be skeptical about all the differences/improvements you thought you heard, though, unless you could verify them with blind tests or some sort of measured difference (e.g., the frequency anomalies you claim to hear should be readily documentable by measurement). Completely understandable. I would only be able to do the blind tests but none of my friends are audiophiles nor do they have the patience to deal with these tests. I've built them MP3 based music servers and they're as happy as a clam. The technical measurement I honestly would probably never be able to do. The reason I shared the experience is to let others know of what possibilities there are to making a decent high fi music server. I wanted mine to be iTunes based. After experiencing iTunes in Windows, many people, including myself, may have been turned off to the idea of using iTunes. Using an old low end Macintosh with itunes an old version 6, by the way) is something many people may not have considered. It's kindof obvious now, especially since itunes and macs are all Apple products. My observations showed me that Apple really does do a good job of integrating their hardware with their software. ___ -S "As human beings, we understand the world through simile, analogy, metaphor, narrative and, sometimes, claymation." - B. Mason CD |
#5
Posted to rec.audio.high-end
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Building a Hi-Fidelity iTunes Music Server
Steven Sullivan wrote:
wrote: Steven Sullivan wrote: wrote: I found a plugin on the internet which enables itunes to bypass quicktime and play its' music via foobar2000. I downloaded foobar, the mulit-part plugin and configured everything. For the life of me I could not get iTunes to work. The multiplugin was killing itunes somehow. For kicks I removed the mulitplugin and just played with the newer version of iTunes. dbPoweramp Converter claims to be able to convert ALAC (apple lossless) to FLAC. I'd do that then simply use foobar2k as your FLAC player. It supports Kernal streaming if you wish to entirely bypass the Windows sound kmixer. I would consider that if foobar was a great music management application. It's strongest attribute seems to be that, of the many windows music management applications out there, i foobar's audio drivers are high quality. I would tend to agree. As to its music managment? Well . . .iTunes is awesome! Well, what do you mean by 'music management'? Foobar is not especially user-friendly, but it is far, far more user-configurable and feature-laden than itunes. In combination with Exact Audio Copy, I can quickly add entire CDs of music, fully tagged as FLAC files, directly into the folder that foobar looks in for music (if I used Nero instead of EAC, I could do it all directly from foobar). That's 2 programs iTunes does what I need it to do all by itself. So foobar has more features. It's not about features, it's about doing what you wnat to do in the easiest way. So far, iTunes does everything I need it to do in a simple enough way. Also, look at your solution: "dbPoweramp Converter claims to be able to convert ALAC (apple lossless) to FLAC. I'd do that then simply use foobar2k as your FLAC player." With those complications, I wonder of you could also use that setup as a front end for NASA when launching the shuttle, lol. If you have a directory full of ALAC files, I can't see how telling an app to batch-convert them to another format constitutes 'rocket science'. I was simply saying that it seems more complicated than it needs to be. SInce th program was written by geeks, that's understandable. For them its all about features, capabilities . . .computing. I just want something to manage my music and play them back withe the highest audio quality. You can play FLAC files with dbPoweramp or WinAmp too, whihc have arguably more user friendly interfaces than foobar. I loved Winamp for a while. Winamp version 2 had the best sound quality. All the newer ones suffered. Iguess configurng Winamp to play through foobar is a possibilty, but I'm not ready to deal with that if I can get iTunes to do everything, and playback well. (And actually, as noted, there is an ALAC plugin for foobar itself...which suggests even the conversion is unnecessary.) It's the kind of setup a computer geek would love True, foobar is was developed by computer geeks ...for computer geeks. But the few non-CGs I've demonstrated it to loved it. I just want one program to play my music, play it well and organize it well. End of story. The music program should take care of all those technicalities, not the user. Foobar certainly plays music well. It also offers an 'album directory' window (which can instantly be changed to 'artist' or 'songs' or a half-dozen other possible organization schemes). And everything's searchable. Seeing (and managing) what you've got is not a problem. I've used iTunes with an iPod, and sad to say, in a Windows environment, I immediately ran into *serious* problems getting it to work as a 'music management' system, much less getting good sound from it. In the end I had to reformat the iPod, and change the default setting for iTunes, in order to be able to easily export mp3s to the iPod via iTunes. Sorry you had a bad experience. You can't avoid all software incompatibilities. I know several people who've had great success with itunes and iPods on windows. In fact, I have a PC setup for my neices and nephew with Windows XP, with 7 profiles on it. Of those user profiles, 3 of the users have different ipods, and each ipod synchs up to their individual itunes with no problems. By contrast, getting foobar2k to work consisted of installing, pointing it at the right output device, and loading the directory of FLAC files into a playlist (which also automatically adds the tracks to the local foobar database). After that it's all tweaking to taste...for those who like that sort of thing. ; ___ -S "As human beings, we understand the world through simile, analogy, metaphor, narrative and, sometimes, claymation." - B. Mason CD |
#6
Posted to rec.audio.high-end
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Building a Hi-Fidelity iTunes Music Server
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#7
Posted to rec.audio.high-end
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Building a Hi-Fidelity iTunes Music Server
I've used iTunes with an iPod, and sad to say, in a Windows environment, I immediately ran
into *serious* problems getting it to work as a 'music management' system, much less getting good sound from it. I use iTunes as the management front-end for my all digital, Mac Mini-based set-up. I don't use compressed files. With disc storage now so cheap (I recently got a 400Gb drive for 100 UK pounds) I can afford to rip all my CDs and store them as WAV files (only half full with 14 days of music so far). In which case I can't see why iTunes would sound any better or worse than any other software. The only irritating limitation I've found in iTunes is its inability to support multiple music libraries. It can be done but it's messy. I don't know why Apple haven't sorted this out yet. Google searches show that this seems pretty high on the "wish list" of iTunes users. --- Rob Tweed M/Gateway Developments Ltd The Pursuit of Productivity : http://www.mgateway.com |
#8
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Building a Hi-Fidelity iTunes Music Server
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