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Re: [lpc2000] Re: 44Khz 16-bit audio

2005-01-19 by Bruce Paterson

Owen Mooney wrote:

> Some of the early CD players worked on this principal. They had a high 
> freq 14 bit D/A. The advantage of this is the improved phase response of 
> the system. Jo public couldn't understand how a 14 bit D/A was giving 16 
> bit performance so I think they stopped doing it.

No, I believe the idea transformed to the extreme with MASH 1 bit 
converters. Sample fast enough and you only need 1 bit (a single high 
speed comparator). Isn't this what sigma-delta codecs use ?

-- 
Cheers,
Bruce
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