On Tue, 09 Mar 2004 22:37:18 +0000, scott wrote:

> laurent.artaud[AT]free.fr" <"laurent.artaud[AT]free.fr wrote:
>> > I will have to try that one out when I get some sound editing
>> > software installed (just reinstalled Windows).  What CD player did
>> > you use to play back the audio CD?
>> >
>>
>> I did not test it myself, sorry if I may have implied it unknowingly.
>> Anyway, my explanation of the process was simplified for a text demo.
>>
>> Note that (if I wasn't clear) a function generator is an electronic
>> device (I don't have any, it's quite expensive) used in laboratories
>> to test other electronic devices. It have nothing to do with any
>> software in the sense that the signal stays analogous all the way and
>> is in no way digitalized.
>>
>> On the other end, using a software to generate the waveforms to create
>> the CD is a far better way than trying to sample the function
>> generator's output.
> 
> Indeed, I was thinking about digital generation of signals, sonic Ray
> Tracing :-)
> 
>> Testing the 24/96 signal would be harder:
>> 1) you have to find a software who can generate it ;
>> 2) you have to play it.
> 
> Yeah, I have software and hardware to play 24/96 from my PC, it's just I
> doubt my speakers could keep up [just looking], apparently they are
> down -3dB at 22kHz, so who knows what they'll be down to at 48kHz.

That's not the point. It's not like 44khz gives perfect signal at anything
below 22khz, and nothing above it.

A 22khz wave form at 44khz looks like this:
 * * * * * * * * * * *
------------------------------
* * * * * * * * * * * *

Regardless of the actual shape of the wave.

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