Subject: Re: [ecasound] Fun with the PAN -epp command
From: Neil E. Klepeis (nklepeis@uclink4.berkeley.edu)
Date: Wed Mar 01 2000 - 05:48:52 EET
Kai,
Thanks for your reply. I seem to have everything working very well when
playing single mono or stereo mp3 files. I have now set up the input
and output channel counts correctly.
However, when I try to play two mono mp3's together or a stereo mp3 and
a mono mp3 together, things go awry.
#1 (one mono/one stereo):
ecasound -a:0 -f:16,1,44100 -i mono.mp3 -erc:1,2 -ea:100 -epp:100 \
-a:1 -f:16,2,44100 -i stereo.mp3 -ea:100 -epp:50 \
-a:0,1 -f:16,2,44100 -o /dev/dsp1
#2 (two mono files):
ecasound -a:0 -f:16,1,44100 -i mono1.mp3 -erc:1,2 -ea:100 -epp:50 \
-a:1 -f:16,1,44100 -i mono2.mp3 -erc:1,2 -ea:100 -epp:50 \
-a:0,1 -f:16,2,44100 -o /dev/dsp1
For #2, the playback is all left even though I have panned both mono
files center (panning works fine with each chain by itself).
For #1, the mono playback is missing and the stereo playback has some
erroneous doubling (but is panned properly). I can hear the mono file
when I pan it back to center (but it plays full left).
I don't see why I can't assign the output channel count for both chains
in #1 and #2 simultaneously, as they are going to the same place
(/dev/dsp1). I don't see another way.
Btw, the following works fine for two stereo files (panned hard left and
right):
ecasound -a:0 -f:16,2,44100 -i stereo1.mp3 -ea:100 -epp:0 \
-a:1 -f:16,2,44100 -i stereo2.mp3 -ea:100 -epp:100 \
-a:0,1 -f:16,2,44100 -o /dev/dsp1
--Regards,
Neil
Kai Vehmanen wrote: > Now when you start processing...: > > channel input-mp3 -> chain-0 -> output-dsp1 > > 0-left read process write > 1-right - process - >
-- ___________________________________________________________ Neil E. Klepeis, School of Public Health, UC Berkeley, USA http://socrates.berkeley.edu/~nklepeis http://eetd.lbl.gov/ied/era/exposuremodeling/ nklepeis@uclink4.berkeley.edu 510-848-5827 ------------
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