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A quick guide to using FFmpeg to convert media files ...
https://opensource.com/article/17/6/ffmpeg-convert-media-file-formats#:~:text=For%20example%2C%20to%20change%20the%20bitrate%20of%20the,all%20bundled%20up%20in%20a%20Matroska%20container%20%28output.mkv%29.
batch file - ffmpeg conversion - keep audio bitrate ...
https://stackoverflow.com/questions/11196474/ffmpeg-conversion-keep-audio-bitrate
@ECHO OFF SETLOCAL ENABLEDELAYEDEXPANSION REM Usage: scriptname.cmd "full-quoted-path-to-input-file" REM Adjust FFMPEG_PATH variable value to match the path to your FFMPEG binary SET FFMPEG_PATH=C:\Program Files\ffmpeg-20170807-1bef008-win64-static\bin SET INPUT_FILE_FULL_PATH=%1 REM Get input file bitrate FOR /F …
ffmpeg - How to specify audio and video bitrate - Super User
https://superuser.com/questions/319542/how-to-specify-audio-and-video-bitrate
In order to specify the target bitrate for video and audio, use the -b:v and -b:a options, respectively. You can use abbreviations like K for kBit/s and M for MBit/s. For example: ffmpeg -i input.mp4 -b:v 1M -b:a 192k output.avi Note: This is a simple one-pass encode that tries to reach the specified bitrate at the end.
How to use FFMpeg to do Simple Audio Conversion
https://www.howtoforge.com/tutorial/ffmpeg-audio-conversion/
Suppose that we want to determine the bitrate for the output file. To do this you need to enter it in the following way: ffmpeg -i filename.aif -b:a 320000 newfilename.mp3. Note that the bitrate is measured in bits/sec so if I want 320kbit/s I need to enter 320000. Here's my example:
ffmpeg how to convert audio to aac but keep bit rate at ...
https://stackoverflow.com/questions/47087802/ffmpeg-how-to-convert-audio-to-aac-but-keep-bit-rate-at-what-the-old-file-used
You could detect the bitrate of the audio stream from your input file using ffprobe, and then depending on the output from that command run the appropriate FFMPEG command. Here's a small bash script that will detect the bitrate on the audio stream and if it is less than 128Kbps just use that original bitrate during conversion.
audio - How to convert High bitrate MP3 to lower rate ...
https://stackoverflow.com/questions/42947957/how-to-convert-high-bitrate-mp3-to-lower-rate-using-ffmpeg
ffmpeg -i input.mp3 -codec:a libmp3lame -qscale:a 5 output.mp3 Result: It works for me. However the -qscale:a 5 makes FFmpeg decide on an average bitrate for you. With one (320k) MP3 file I got it giving a close convert of 134kbps. This is expected since :
Convert audio files to mp3 using ffmpeg - Stack Overflow
https://stackoverflow.com/questions/3255674/convert-audio-files-to-mp3-using-ffmpeg
-b:a - Converts the audio bitrate to be exact 192kbit per second; Also, this notes the difference for the ffmpeg bitrate arguments
bitrate - How to force Constant Bit Rate using FFMPEG ...
https://stackoverflow.com/questions/10908796/how-to-force-constant-bit-rate-using-ffmpeg
ffmpeg -i input -b 1200k -minrate 1200k -maxrate 1200k -bufsize 1200k -ab 64k -vcodec libx264 -acodec aac -strict -2 -ac 2 -ar 44100 -s 320x240 -y output.mp4 Had to use aac instead of libfaac, which requires "-strict -2".
FFmpeg: Extract Audio From Video In Original Format Or ...
https://www.linuxuprising.com/2019/11/ffmpeg-extract-audio-from-video-in.html
ffmpeg -i myvideo.mp4 -b:a BITRATE audio.mp3 Replace BITRATE with these available CBR options: 8k, 16k, 24k, 32k, 40k, 48k, 64k, 80k, 96k, 112k, 128k, 160k, 192k, 224k, 256k, or 320k. Extract audio from video, converting the audio to mp3 with variable bitrate encoding: ffmpeg -i myvideo.mp4 -codec:a libmp3lame -q:a QUALITY audio.mp3
ffmpeg audio format conversions - Linux Tutorials - Learn ...
https://linuxconfig.org/ffmpeg-audio-format-conversions
Convert ac3 to ogg with ffmpeg: $ ffmpeg -i audio.ac3 -acodec libvorbis audio.ogg AAC – Advanced Audio Coding aac to mp3. Convert aac to mp3 with ffmpeg: $ ffmpeg -i audio.aac -acodec libmp3lame audio.mp3 aac to wav. Convert aac to wav with ffmpeg: $ ffmpeg -i audio.aac audio.wav aac to ac3. Convert aac to ac3 with ffmpeg:
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