We have collected the most relevant information on Ffmpeg Aac Mpeg-2/Mpeg-4 Audio. Open the URLs, which are collected below, and you will find all the info you are interested in.
video - ffmpeg transcoding audio to MPEG-4 HE AAC instead ...
https://apple.stackexchange.com/questions/130807/ffmpeg-transcoding-audio-to-mpeg-4-he-aac-instead-of-aac
The problem is your ffmpeg. If telling ffmpeg to use aac causes it to encode in he aac, if that is true, then there is something wrong with your ffmpeg, because specifying aac should never result in he aac. Only telling ffmpeg to encode using libaacplus or libfdk_aac should result in …
How to extract audio from MPEG-4 file using ffmpeg - …
https://stackoverflow.com/questions/28495514/how-to-extract-audio-from-mpeg-4-file-using-ffmpeg
ffmpeg -i mpeg-4videofilename -vn -ac 2 -ar 44100 -ab 320k -f mp3 output.mp3. Explanation of the command line options: -i input file. -vn no video. -ac audio channel. -ar audio sample rate. -ab audio bitrate. -f output format. Share.
FFmpeg Bitstream Filters Documentation
https://ffmpeg.org/ffmpeg-bitstream-filters.html
Convert MPEG-2/4 AAC ADTS to an MPEG-4 Audio Specific Configuration bitstream. This filter creates an MPEG-4 AudioSpecificConfig from an MPEG-2/4 ADTS header and removes the ADTS header. This filter is required for example when copying an AAC stream from a raw ADTS AAC or an MPEG-TS container to MP4A-LATM, to an FLV file, or to MOV/MP4 files ...
.AAC - MPEG-2/MPEG-4 Advanced Audio Coding
https://www.fmjsoft.com/fmt/aac.htm
.AAC - MPEG-2/MPEG-4 Advanced Audio Coding CBR/VBR ADTS/ADIF/RAW container formats . Notes: Container formats: AAC only specifies an audio compression algorithm. The compressed data needs to be stored 'inside' a file format, referred to as a 'container format'.
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