Re: [ecasound] channel manipulation

On Wed, September 26, 2012 10:49 pm, Patrick Shirkey wrote:
>
> On Wed, September 26, 2012 10:09 pm, Julien Claassen wrote:
>> Hi Patrick!
>> This should be it. Try it. Once with a stereo file, with different
>> signals
>> in left and right channel and once with say a sine wave of the same
>> frequency
>> and phase in both channels, so you can hear, if the 3rd channel mix is
>> correct:
>
> Just to confirm :-)
>
>
>> ecasound -f:16,3,44100 -a:1,2,3,4 -i test.wav \
>> -a:1 -chmix:1 \
>
> mix input 1,2 to output 1
>
>
>> -a:2 -chmute:2 -chmove:1,2 \
>
> mute input 2, copy input 1 to output 2
>
>
>> -a:3 -chmute:2 -chmove:1,3 \
>
> mute input 2, copy input 1 to output 3
>
>> -a:4 -chmute:1 -ea:-100 -chmove:2,3 \
>
> mute input 1, invert signal, copy inverted input 2 to output 3
>
> The combination of -a:3 and -a:4 results in left input + right input
> inverted on output channel 3.
>
>
>
>> -a:all -o test-out.wav

I'm making some progress but I am stuck with another problem now.

How do I send the output of a loop to a specific channel?

Is this correct?

-a:5 -chmute:2 -ea:-100 \
-a:6 -chmute:1 \
-a:5,6 -o loop,1 \
-a:7 -i loop,1 -chmix:5 \

--
Patrick Shirkey
Boost Hardware Ltd
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