Re: Lossless audio conversion / DIY Kivor?

["keyvan2r" <keyvan@xxxxxxx>]

Hi Mark

So any ideas about the lossless conversion option in Media Player 9?
It says between 206 to 411 Mb per CD and mathematically lossless.
I like the idea of keeping it all Media Player compliant as I quite 
like the interface and know I won't have hassle managing/controlling 
it via tablet pc's. May be I have not thought it through!!

On the D/A and switching hardware take a look at these guys..
www.msbtech.com
I use their toslink switching machine (digital director) for my 
multi-player setup on Sline and its pretty good

Keyvan R
--- In ukha_d@y..., "Mark Harrison" <Mark.Harrison@e...>
wrote:
> 1: Which conversion standard is the closest reproduction.
> 
> FLAC, however it's also the one with the least compression. It's a
losless compression algorithm, like ZIP. 
> 
> http://flac.sourceforge.net
> 
> I'm afraid I don't know about iPaq drivers for it yet.
> 
> 2: Hardware
> 
> It was pointed out to me a while back the the conversion from MP3 
(say) to 44.1Khz, 16-bit stereo PCM is fully deterministic. 
(ENCODING of MP3 isn't!) Hence as long as a sound card has a proper 
SP/DIF out, decent drivers, and relatively low jitter, then the best 
bet is an outboard DAC. I'm told by my middling-serious hi-fi 
friends that the latest Soundblaster stuff isn't bad at all.
> 
> If your DAC will drive higher than 44.1Khz, then you could look at
a soundcard that could upsample and interpolate to, say, 192/24. I 
don't know enough about this market, but you'd want a card which had 
drivers to do something more than a naive linear interpolation. I'm 
_guessing_ (from my sound recording days) that a cubic spline 
interpolation would be best, but I think that this is fairly 
rarified stuff. Digitools is probably a good place to start, and see 
what they recommend.
> 
> Regards,
> 
> Mark
> 
> -----Original Message-----
> From: Keyvan Rahimian [mailto:keyvan@e...]
> Sent: 1 October 2002 17:33
> To: ukha_d@xxxxxxx
> Subject: [ukha_d] Lossless audio conversion / DIY Kivor?
> 
> 
> Hi all
> 
> Having seen the latest post about the Linn Kivor etc. got me 
thinking about taking another look at an idea I had way back. I run 
a couple of Sony 400 disc cd changers hooked up to an HA pc via 
Slink-e. 
> Apart from a couple of minor gripes about the CDJ software, this 
works OK for me. I keep around 5Gb of MP3 / WMA files (ripped cd's 
around the 160 / 192 Kbps) - my most popular tracks etc- for 
portable use. I use the trusty IPAQ 3900 with a recently acquired 
1Gb IBM CF micro drive (an actual HDU the size of a 50p piece - 
amazing!!!) which came with my purchase of a Canon camera. The IPAQ 
lets me get both high quality music and audible.com books on the 
move. I may u/g to an apple iPOD if I find I need to take more music 
with me on th move.
> Anyway for a while now I have been toying with the idea of putting
all my music on disk and the way the s/w PC-to-home integration 
products are going (Windows XP multimedia etc.) I will probably 
stick to Microsoft for the sake of an easy life ... (I know this may 
provoke some comments!!).
> My issue if loss of quality and fidelity from source material. I 
am not a purist like some HiFi buffs with valve amps and direct 
connect kit - I do however value good sound quality but also value 
convenience and ease of use. I don't mind paying for good amps and 
speakers (bi-amp or tri-amp setups) and generally high quality gear, 
but I want ease of use and full HA type manageability.
> My question(s) :
> 1. What conversion standard produces the closest reproduction to 
the original CD material? Note latest beta version of Media Player...
> 2. Any ideas on hardware (i.e sound cards may be better than the 
Sound Blaster or Turtle Beach offering) obviously for digital output 
to external  DA converters (optical or coax)
> 
> If anyone in this group can help with ideas or input.. I would be 
grateful. 
> Has anyone tried this or similar?
> 
> Thanks
> 
> Keyvan R
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