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#144708 - 01/06/07 09:56 PM Re: Ethernet vs. Digital Audio Out [Re: BrenR]
packetlosss Offline
hobbyist

Registered: 12/29/06
Posts: 21
Loc: Long Island, NY
Quote:

Another frame of reference for CD audio playback requirements is that a $30 computer CD-ROM can pass data reliably at up to 48x what is required for CD audio. For data. Which has to be bit-perfect.
Bren R.




Actually it wasn't the speed or accuracy of the drive. In all cases we are really assuming a 100% correct data stream that is buffered and more than fast enough to keep up with the needs of the DAC. It was that the cheaper units used a cheaper and more inacurate timing crystal. Kind of like those $5 watches that are off by a minute a day. The price point to get a more accurate crystal isn't much higher. Kind of like those $15 watches that are only off by a few seconds a day.

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#144709 - 01/13/07 03:46 PM Re: Ethernet vs. Digital Audio Out [Re: packetlosss]
packetlosss Offline
hobbyist

Registered: 12/29/06
Posts: 21
Loc: Long Island, NY
Just a little update on this topic. I found this thread on the avs forum discussing the yamaha RX-1700 and 2700 and a few posters were saying that they prefered the sound of analog inputs from their DVD player to digital inputs.

http://www.avsforum.com/avs-vb/showthread.php?t=713397&page=30&pp=30

Since the digital input source didn't matter(HDMI/spdif etc), the issue really came down to which DAC they liked better.

So basically I'd say DAC choice is the real issue, more so than spdif/jitter etc. The bottom line is DAC choice is subjective and different DAC's have comeletely different sound signatures. So test out all your components and decide which has the better sounding DAC and then take analog outs from there.

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#144710 - 01/13/07 10:33 PM Re: Ethernet vs. Digital Audio Out [Re: packetlosss]
Randy_Perkins Offline
veteran

Registered: 08/31/06
Posts: 193
Loc: Franklin Indiana
Quote:


So basically I'd say DAC choice is the real issue, more so than spdif/jitter etc.




I can believe this.
I have 3 digital audio sources:
dvd,cable_box,PC.
none of them offer analog multichannel out, so I will stick to using the dac in the reciever.

My denon has something called AL24 Processing plus, So I guess I am in decent shape.

from the Denon site
" The acclaimed Advanced AL24 DSP processing improves the fidelity of high resolution stereo PCM sources such as CD and DVD (up to 192kHz sampling frequencies). Through sophisticated DSP processing algorithms, it improves low level detail and enhances fidelity by up-sampling and adaptive filtering techniques. Advanced AL24 also provides increased dynamic range and spatial information, bringing out all the nuances with optimum clarity and natural fidelity. For additional information, visit the Denon Tech Showcase."

see ya
RAndy
_________________________
Axiom M22,Ep500,Qs8,VP150, Denon 2807,1940, Sangean HDT-1X

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