On Tue, 22 May 2007, e deleflie wrote:
I have to admit that I am stumped by src-sound .... I cant for the
life of me work out how to resample a file from 48000 to 44100 ....
I've read the documentation a dozen times, but I still dont understand
what is expected from the parameters.
src-sound (num-or-env :optional base snd chn edpos)
The documentation says "The argument 'num-or-env' can be either a
number or an envelope. In the latter case, 'base' sets the segment
base ...."
It is never stated what the first case ('num') is supposed to
represent. I've tried putting 44100 ... assuming that 'num' is
supposed to be the new sample rate. But this gives clearly incorrect
results.
"num" is the sample rate change factor. So to go from 48000 to 44100, you
set "num" to 44100/48000.
Also, what is meant by the segment base?
Thats the "base" argument for make-env.
Are there any examples anywhere?
Yes, lots of:
grep make-src *
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