Audio Format 0x6134706d | Audio-Digital.net

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Mplayer: "Cannot find codec for audio format 0x6134706D."

https://www.linuxquestions.org/questions/linux-software-2/mplayer-cannot-find-codec-for-audio-format-0x6134706d-409133/

Requested audio codec family [faad] (afm=faad) not available. Enable it at compilation. Cannot find codec for audio format 0x6134706D. I've tried uninstalling Mplayer, downloading the "all codecs" file, unzipping it into /usr/local/lib/codecs and /usr/local/lib/win32 and then reinstalling Mplayer via Rpmdrake, but it doesn't work -- I get the ...

encoding - How to encode audio to AAC with profile FF ...

https://stackoverflow.com/questions/37239113/how-to-encode-audio-to-aac-with-profile-ff-profile-aac-low

Also from the output of av_dump_format, I got this. Metadata: encoder : Lavf57.36.100 Stream #0:0: Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 192 kb/s But the output is different. Everything is ok, except the output is AAC, not AAC (LC). By using ffprobe to detect, the output information is

Extracting video information of a video file using ffmpeg

https://www.oodlestechnologies.com/blogs/Extracting-video-information-of-a-video-file-using-ffmpeg/

Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 22050 Hz, mono, s16, 23 kb/s. aac (mp4a / 0x6134706D) aac audio codec. 22050 Hz ; audio sampling frequency. Mono; Number of audio channels . For 1 it is mono, for 2 it is stereo .It can also a value of x.x . 23 kb/s; audio bits processed per second. Getting video Information using ffprobe

Change default audio track in mp4 video - Video Production ...

https://video.stackexchange.com/questions/29233/change-default-audio-track-in-mp4-video

Some media players simply start playing the first audio stream (track). For them you may simply change the order of audio streams. For example, suppose you have 1 video stream and 3 audio streams in your input file, and you want to move the 3rd audio stream to be the first of audio streams.

Encoding multiple audio tracks for Roku Media Play ...

https://community.roku.com/t5/Roku-Device-Features-Settings-Updates/Encoding-multiple-audio-tracks-for-Roku-Media-Player/td-p/509854

I've got a video file with multiple audio tracks. When playing from a USB thumb drive, my Roku TV lets me choose which track to hear with the "star" menu, but only if the file is MKV format. For MP4 files, the "Audio track" menu item is grayed out, even though I've verified the tracks are present and playable using MPC-HC on Windows.

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