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Old 23rd February 2019, 20:15   #14768  |  Link
tebasuna51
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Join Date: Feb 2005
Location: Spain
Posts: 6,890
If you decode a source like:
Quote:
eac3to v3.34
command line: eac3to 4a310.ac3 4a310.ac3_.wavs
----------------------------------------------
AC3, 3/1 channels, 0:00:20, 224kbps, 48kHz
Decoding with libav/ffmpeg...
Reducing depth from 64 to 24 bits...
Writing WAVs...
Creating file "D:\tmp\4a310.ac3_.L.wav"...
Creating file "D:\tmp\4a310.ac3_.R.wav"...
Creating file "D:\tmp\4a310.ac3_.C.wav"...
Creating file "D:\tmp\4a310.ac3_.BC.wav"...
eac3to processing took 1 second.
Done.
and the ..._.C.wav is the only voice channel I recommend you use:

eac3to input output.ac3 -downStereo -normalize

Or other output format (AAC recommended for stereo)
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