Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it.

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RE: Textbook

Posted by Dawnrazor (A) on January 13, 2009 at 14:34:31

In Reply to: RE: Textbook posted by Jim F. on January 13, 2009 at 10:13:49:

Hey Jim,

I am not into flame wars myself. I don't see why we can't discuss this without getting into one, but if you think that is inevitable, well then its not worth our time is it.

I really wish you would give it a try. If you are going to talk theories, shouldn't you do a BIT of listening if only to confirm what you ALREADY know?? Wavelab and foobar both support 24/192 .wavs so just unpack your wavepacks and test a few songs. I am not making this up even though in theory you are right, players should sound the same.

When I did my listening tests I was doing strait 16/44 comparisons. My Hush is too slow to upsample at any kind of quality. So no dsps or upsampling were involved. Just the same song on different players. It was pretty clear that there were differences. An even easier test is to change the asio out you are using, if you can find one for 08 :) And maybe that is what I am hearing...just different asio drivers for diferent players. Could be.

On my part, I will see if I can do some DBTs of the different players and see if I can really hear what I think I hear. I think I am hearing things as they are because who wants Wavelab to sound better?? But I can at least look into it.

Yeah, I saw that ALan uses the black lion. I am thinking about using that with my Lynx if I get the dough. Looks easy enough to do. I suppose we should ask him if he can detect difference with the BL clock.

Recently I started using an external dac. I haven't listened to different players on it yet but I can let you know if that makes a difference.

Here is MAYBE one link that might explain perhaps some of what is going on, but I think you are right about jitter, and while this link doesn't talk about audio jitter, it might explain what could be happening.

• http://db.audioasylum.com/cgi/m.mpl?forum=pcaudio&n=35743&highlight=os+jitter   (Open in New Window)

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Kimber Kable

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