FFMPEG how to merge 2 stereo .wav audio files into one of 4 channels?

[marcorocchini]

Hii, please can help a cat?

I have 2 audio files: 1.wav and 2 .wav.

Both are stereo (L+R) audio files.

I need to have an output.wav that is the "merge" of 1.wav and 2.wav so that output. wav is a 4 "channel" audio file. Is it possible with ffmpeg? thanks

[Selur]

There are multiple ways to skin a cat, if the cat is simply to lazy to do some reading and searching,...
https://trac.ffmpeg.org/wiki/AudioChannelManipulation should help to understand how what you want can be done in ffmpeg.
There is no example which directly solves you problem, but it should help enough for you to figure out how it works.

[JVRaines]

LOL. Il Gato Pigro does not figure out how anything works. It only eats from a silver tray.

[marcorocchini]

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[Attachment 45918 - Click to enlarge]

[pandy]

https://trac.ffmpeg.org/wiki/AudioChannelManipulation#a2monostereo
https://ffmpeg.org/ffmpeg-filters.html#amerge