Computer Audio Asylum

Posted by audioengr (M) on March 27, 2008 at 17:16:26

In Reply to: RE: Computers as an audio platform is very suitable for jitter reduction posted by jkeny on March 27, 2008 at 15:25:43

Apparently? Yeah right, I've heard this before.

Why would I buy another DAC when my own design beats everything I have heard? Only Zanden 5000 comes close...

• RE: Computers as an audio platform is very suitable for jitter reduction - Sunya 21:06:46 03/27/08 (3)
  In Reply to: RE: Computers as an audio platform is very suitable for jitter reduction posted by audioengr on March 27, 2008 at 17:16:26

  Did you had the chance to see the Stereophile measurements for the Zanden 5000? There were performed 2 measurement sessions because the manufacturer claimed the first sample was defective. Check the jitter figures on both samples, it really seems like overpriced junk in a shiny box targeted at clueless rich guys...
  
  first sample measurements:
  http://stereophile.com/cdplayers/1106zanden/index4.html
  
  second sample measurements:
  http://stereophile.com/cdplayers/1106zanden/index8.html
  
  
  

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  • RE: Computers as an audio platform is very suitable for jitter reduction - audioengr 10:36:42 03/28/08 (2)
    In Reply to: RE: Computers as an audio platform is very suitable for jitter reduction posted by Sunya on March 27, 2008 at 21:06:46

    Just because it has high jitter does not mean that it necessarily sounds bad. The jitter spectra could be inaudible to most humans. I have customers with this DAC and they tell me is is very good. Sometimes musicality is more important than detail.
    
    

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    • RE: Computers as an audio platform is very suitable for jitter reduction - artcheng@netvigator.com 22:13:18 03/28/08 (1)
      In Reply to: RE: Computers as an audio platform is very suitable for jitter reduction posted by audioengr on March 28, 2008 at 10:36:42

      How do we measure musicality?
      
      

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      • RE: Computers as an audio platform is very suitable for jitter reduction - audioengr 11:18:54 03/29/08 (0)
        In Reply to: RE: Computers as an audio platform is very suitable for jitter reduction posted by artcheng@netvigator.com on March 28, 2008 at 22:13:18

        With our ears, in stereo.
        
        Electronic instrumentation and classical measurement techniques are not able to do it IME. It will take a multi-dimensional measurement to do this I believe, including phase, magnitude and frequency for two channels in a two-dimensional plot. This plot will also need to be swept over gain settings so that compression due to absolute level can be observed. Nothing like this has ever been done to my knowledge.
        
        Steve N.
        
        

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• RE: Computers as an audio platform is very suitable for jitter reduction - jkeny 20:59:24 03/27/08 (5)
  In Reply to: RE: Computers as an audio platform is very suitable for jitter reduction posted by audioengr on March 27, 2008 at 17:16:26

  Have a look over at DIYA - design engineer has been posting & sending out sample boards - so it's not marketing hype as before - it is standing up to the claims made of it!
  
  Why the trade secret clock - you didn't answer this?
  
  

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  • RE: Computers as an audio platform is very suitable for jitter reduction - audioengr 10:38:37 03/28/08 (0)
    In Reply to: RE: Computers as an audio platform is very suitable for jitter reduction posted by jkeny on March 27, 2008 at 20:59:24

    Of course I didnt answer. It's a trade secret. We manufacturers have to have some of these otherwise our competitors just steal everything and put us out of business. Patents I have lots of. They are worthless unless you are willing to spend $100K in court.
    
    

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  • RE: Computers as an audio platform is very suitable for jitter reduction - jkeny 07:01:15 03/28/08 (3)
    In Reply to: RE: Computers as an audio platform is very suitable for jitter reduction posted by jkeny on March 27, 2008 at 20:59:24

    I guessed as much about your post - all smoke & mirrors ("trade secret") - just a lot of bullshit being passed off as mystique - unfortunately, a common problem in this area called HIFi!
    
    Good to see Stereophile expose some of the pretenders, whoever they might be!
    
    

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    • RE: Computers as an audio platform is very suitable for jitter reduction - audioengr 10:40:43 03/28/08 (2)
      In Reply to: RE: Computers as an audio platform is very suitable for jitter reduction posted by jkeny on March 28, 2008 at 07:01:15

      My products speak for themselves. It's all about the engineering. I'm an engineer with 30 years design experience. I dont ever lose in shootouts.
      
      

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      • RE: Computers as an audio platform is very suitable for jitter reduction - jkeny 14:20:07 03/28/08 (1)
        In Reply to: RE: Computers as an audio platform is very suitable for jitter reduction posted by audioengr on March 28, 2008 at 10:40:43

        OK, I didn't realise you were a manufacturer - then it's understandable that you protect your IP, I agree.
        It also explains your reaction to the ESS Sabre DAC I mentioned!
        
        

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        • RE: Computers as an audio platform is very suitable for jitter reduction - audioengr 19:00:04 03/28/08 (0)
          In Reply to: RE: Computers as an audio platform is very suitable for jitter reduction posted by jkeny on March 28, 2008 at 14:20:07

          They dont allow me to identify myself on this forum. Against the rules.
          
          

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