Re: [ecasound] channel manipulation

On Sat, Sep 29, 2012 at 07:26:20PM +0200, Sean Vergauwen wrote:
> ecasound -t 5 -f:s16_be,2,48000 \
> -a:1,2,3,4,5,6 -i TEST_1-2.aif \
> -a:1 -chmute:2 \
> -a:2 -chmute:1 \
> -a:3 -chmix:3 -eac:400,3 \
> -a:4 -chmix:4 -eac:400,4 \
> -a:5 -chmute:1 \
> -a:6 -chmute:2 \
> -a:5,6 -o loop,1 \
> -a:7,8 -i loop,1 \
> -a:7 -chmix:5 -eac:800,5 \
> -a:8 -chmix:6 -eac:800,6 \
> -a:1,2,3,4,7,8 -f:s16_be,6,48000 -o test-out.wav
>
> I haven't figured out -chmix's behavior, but the -eac's are there to
> counter it's lowering of the volume in this particular set-up.

Ecasound has two mixmodes, average and sum. What most people
want is sum. To get this, use -z:mixmode:sum. See 'man ecasound'.

-- 
Joel Roth
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