![]() -ac – Set the number of audio channels.-ar – Set the audio frequency of the output file.-vn – Indicates that we have disabled video recording in the output file.$ ffmpeg -i input.mp4 -vn -ar 44100 -ac 2 -ab 320 -f mp3 output.mp3 ![]() Stream #0:1(eng): Audio: aac (LC) (mp4a / 0圆134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)Īt least one output file must be specifiedĪs you can see from the output above, FFmpeg displays the media file information along with FFmpeg details like version, configuration details, copyright notice, library and compile options, etc. Handler_name : ISO Media file produced by Google Inc. ![]() ![]() Sample output: ffmpeg version n4.1.3 Copyright (c) 2000-2019 the FFmpeg developersĬonfiguration: -prefix=/usr -disable-debug -disable-static -disable-stripping -enable-fontconfig -enable-gmp -enable-gnutls -enable-gpl -enable-ladspa -enable-libaom -enable-libass -enable-libbluray -enable-libdrm -enable-libfreetype -enable-libfribidi -enable-libgsm -enable-libiec61883 -enable-libjack -enable-libmodplug -enable-libmp3lame -enable-libopencore_amrnb -enable-libopencore_amrwb -enable-libopenjpeg -enable-libopus -enable-libpulse -enable-libsoxr -enable-libspeex -enable-libssh -enable-libtheora -enable-libv4l2 -enable-libvidstab -enable-libvorbis -enable-libvpx -enable-libwebp -enable-libx264 -enable-libx265 -enable-libxcb -enable-libxml2 -enable-libxvid -enable-nvdec -enable-nvenc -enable-omx -enable-shared -enable-version3 ![]()
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