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ffmpeg - How to encode audio in AAC-LC, AAC-HE-V1, …
https://stackoverflow.com/questions/18894810/how-to-encode-audio-in-aac-lc-aac-he-v1-aac-he-v2-using-libavcodec
first make sure you configure ffmpeg along with following options: --enable-libfdk_aac --enable-nonfree. now build ffmpeg and try to run the following command and see if it works: ffmpeg -i <input file> -vcodec copy -acodec libfdk_aac -profile:a aac_he <output file>. if this works it means libav is linked with libfdk_aac.
How can I extract audio from video with ffmpeg? - Stack ...
https://stackoverflow.com/questions/9913032/how-can-i-extract-audio-from-video-with-ffmpeg
ffmpeg -i input-video.avi -vn -acodec copy output-audio.aac -vn is no video. -acodec copy says use the same audio stream that's already in there. Read the output to see what codec it is, to set the right filename extension.
ffmpeg: Proper way to encode ac3 to aac? - Stack Overflow
https://stackoverflow.com/questions/39403378/ffmpeg-proper-way-to-encode-ac3-to-aac
Show activity on this post. That is the proper way. Don't know if this will make a difference, try -b:a 400k and -strict experimental. If you want audio only, convert to m4a or aac. ffmpeg -i input.mkv -y -c:a aac -b:a 400k -map 0:a:0? -strict experimental output.mp4. Other encoders, may require compiling ffmpeg with use flags:
FFMPEG Audio AAC vs OPUS : ffmpeg
https://www.reddit.com/r/ffmpeg/comments/oa9f0x/ffmpeg_audio_aac_vs_opus/
ffmpeg's aac encoder, although it's now better than few years ago, is still crap at low bitrates. If you go to >160 kbit, it will be OK for stereo. Opus is excellent encoder, tuned for low bitrates at range you mentioned, I've used it even in 64-112 kbit range and it still sounds awesome.
ffmpeg - Trim audio file using start and stop times - Unix ...
https://unix.stackexchange.com/questions/182602/trim-audio-file-using-start-and-stop-times
ffmpeg seems to have a new option -to in the documentation:-to position (input/output) Stop writing the output or reading the input at position.position must be a time duration specification, see (ffmpeg-utils)the Time duration section in the ffmpeg-utils(1) manual.-to and -t are mutually exclusive and -t has priority.
FFmpeg
News January 17th, 2022, FFmpeg 5.0 "Lorentz" FFmpeg 5.0 "Lorentz", a new major release, is now available!For this long-overdue release, a major effort underwent to remove the old encode/decode APIs and replace them with an N:M-based API, the entire libavresample library was removed, libswscale has a new, easier to use AVframe-based API, the Vulkan code was …
macos - Is there a way to convert audio ... - Ask Different
https://apple.stackexchange.com/questions/26099/is-there-a-way-to-convert-audio-files-in-mac-os-x-or-the-command-line-without-us
I installed ffmpeg via MacPorts, although it also available via Homebrew (brew install ffmpeg) or download the binary. To convert something like that, (without worrying about audio quality, which I know nothing about), I just use: ffmpeg -i input.mp4 output.mp3 Here is an example of how you would convert a .wav file to .mp3 from their website:
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