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ffmpeg with libfdk_aac: AAC-HE-V2 profile doesn't work for mono sound?
Whenever I use ffmpeg with libfdk_aac to convert a piece of audio to AAC, I noticed the aac_he_v2 profile does not work if the source audio is mono. For example:
ffmpeg -i mono.wav -c:a libfdk_aac -...
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ffmpeg take channels 7+8 and make a stereo
I have a 8 audio track mov file which I want to encode to mp4 using ffmpeg BUT take the tracks 7+8 and put them as stereo with 320k and 48KHz to that mp4.
My line is this:
ffmpeg -i %source% -map 0:0 ...