[sdiy] Book on ADC/DACs for synth applications

[Eric Brombaugh]

Setting aside arguments about how we should all strive for the best 
possible results, it's probably safe to say that getting a grounding in 
the basics of the technology is a good idea, and I believe that's what 
the OP was asking for.

As far as as "apoditizing filters", if you meant "apodizing filters" 
then we're getting into audiophile woo-woo. As far as I can tell they're 
just a technique to reduce pre-ringing in the output DACs of high-end 
digital audio equipment, and the technique boils down to throwing a 
minimum phase FIR with a lower cutoff at the interpolation filter. 
Nothing particularly new about fiddling with the cutoff, and minimum 
phase filtering is old stuff too. Just secret sauce for people who cater 
to worry-warts.

Eric (feelin' cavalier)

On 03/02/2010 04:17 PM, cheater cheater wrote:
> if you want strictly audio applications, and not cv, then the current
> best ways of doing things are not even published in books, because
> this stuff is so recent. apoditizing filters, anyone?
>
> D.
>
> On Tue, Mar 2, 2010 at 23:13, Eric Brombaugh<ebrombaugh1 at cox.net>  wrote:
>> On 03/02/2010 02:03 PM, Sam Ecoff wrote:
>>>
>>> Hi,
>>>
>>> If I were to read one and only one book on ADCs and DACs for audio
>>> applications, what book would it be?
>>
>> Tough question: What are your goals? If you're looking for synth
>> applications (possibly a good assumption on this list) then I'd throw in
>> another vote for MAM. However, you said 'audio applications' which throws
>> the door a bit wider. In that case I might also recommend Ken Pohlman's
>> "Advanced Digital Audio". Also, don't forget that most mixed-signal silicon
>> vendors (ADI, TI, LT, Maxim, etc) have fairly good app notes and tutorials
>> available on their websites that can help with the basics.
>>
>> Eric
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>