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  1. Member
    Join Date
    Nov 2002
    Location
    United States
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    I have Canon T5 that records H.264 video with PCM audio. I'd like to add an AAC track, while keeping the PCM and copying the video without re-encoding. I thought maybe AVIDemux could do it, but I can't figure out how. I'm on a Mac.
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  2. ffmpeg -i "input" -map 0:0 -map 0:1 -map 0:1 -c:v copy -c:a:0 copy -c:a:1 aac "output.mkv"
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  3. Member netmask56's Avatar
    Join Date
    Sep 2005
    Location
    Sydney, Australia
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    Or drag the file into MKVMergeGui for MAC and add the aac track. If you want you can make the aac track the default and either leave the PCM audio or untick the box. Remux. (doesn't re-encode)
    BeyonWiz T3 PVR ~ Popcorn A-500 ~ Samsung ES8000 65" LED TV ~ Windows 7 64bit ~ Yamaha RX-A1070 ~ QnapTS851-4G
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