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ffmpeg: how to resample audio file - Stack Overflow
https://stackoverflow.com/questions/67880409/ffmpeg-how-to-resample-audio-file
Gyan's comment is what I want, here is the full command line:. ffmpeg -i in.m4a -ac 1 -ar 22050 -c:a libmp3lame -q:a 9 out.mp3 with the option for VBR encoding. The number after -q:a specifies encoding quality (bitrate), with 0 being the best quality (largest file) and 9 being the worst quality (smallest file).. Here is the document on ffmpeg wiki.
audio - ffmpeg FLAC 24 bit 96khz to 16 bit 48khz - Stack ...
https://stackoverflow.com/questions/41420391/ffmpeg-flac-24-bit-96khz-to-16-bit-48khz
SoX resampler. FFmpeg supports two resamplers: the default swresample library, and the external SoX resampler (soxr).. To use soxr your ffmpeg must be compiled with --enable-libsoxr.Then choose it with the -resampler option:. ffmpeg -i input.flac -resampler soxr -sample_fmt s16 -ar 48000 output.flac
ffmpeg - Convert an MP3 from 48000 to 44100 Hz? - Super User
https://superuser.com/questions/253467/convert-an-mp3-from-48000-to-44100-hz
71. This answer is not useful. Show activity on this post. ffmpeg doesn't look to be the appropriate tool; I'd normally use sox for audio-only files. $ sox file1.mpg -r 44100 file1-enc.mpg. If you want to try using ffmpeg anyway, I think the correct command would be. $ ffmpeg -i file1.mpg -ar 44100 file1-enc.mpg. Share.
Recommended approach for downsampling 44.1kHz audio to ...
https://discourse.mozilla.org/t/recommended-approach-for-downsampling-44-1khz-audio-to-16khz-to-ensure-accurate-results/41468
extract audio files from the video file using ffmpeg. ffmpeg -i original.avi -ab 160k -ac 1 -ar 16000 -vn audio.wav. The clips are at 44.1kHz before extraction and 16kHz after Run inference on the file using: deepspeech --model models/output_graph.pbmm --alphabet models/alphabet.txt --lm models/lm.binary --trie models/trie --audio sox_out.wav
44khz to 48khz - VideoHelp Forum
https://forum.videohelp.com/threads/213372-44khz-to-48khz
I usually use ffmpeg to convert 44kHz wav to 48kHz AC3. Use the following syntax: ffmpeg -i inputfile.wav -ab X -ar 48000 -ac Y outputfile.ac3 where X is your bitrate (224 is good although I like 384) where Y is your channals (2 = stereo, 6=5.1 surround; only use 6 if your original wav has 6 channals)
How to use FFMpeg to do Simple Audio Conversion
https://www.howtoforge.com/tutorial/ffmpeg-audio-conversion/
ffmpeg -formats. and. ffmpeg -codecs. and all supported forms will be displayed. You can use one input file to get several different output files by just entering the name and the prefix like this: ffmpeg -i filename.mp3 newfilename.wav newfilename.ogg newfilename.mp4. This will result in converting 3 output audio files (wav,ogg,mp4) from one ...
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