Re: Audio quality of CDR, any theory ????

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Article #1090

#1090

From: Bob Velkov
Date: Sat, 19 Dec 1998 00:00

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kclee@hk.gin.net (Chung) writes:

> Yap, I don't know any Theory and Technique of CD format.  Thankyou for
> your correction.  What I thinking in logical way only.  But if the
> error correction is 100%, all transport could read 100% correct, mean
> all transport sound same!!.  So, why need expansive transport???  and
> why the supporting pin under transport affect sound???  Also, why
> different CD material/coating give different sound???

Jitter! Simple explanation would be that some samples arrive earlier 
to the DAC and same are delayed. The error correction can only make 
sure that the data are read correct. All the expensive circuitry try 
to eliminate the effect of jitter. So simple is it! 

-- 
Bob Velkov
Bob.Velkov@par.univie.ac.at

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From: Bob Velkov <bob@par.univie.ac.at>
Subject: Re: Audio quality of CDR, any theory ????
Date: 1998/12/19
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