There doesn’t seem to be a way to a variable bitrate in Avidemux. In the Audio Output dropdown list box, choose MP3 (lame)Ĭlick Configure to choose the bitrate and quality. You can extract audio from video files and convert it into MP3 or other format using Avidemux. In the Save as dialog, type the output file name and click Save.Īvidemux is a free and open-source video editing program designed for video editing and video processing.Then, to export the selection, click on the File menu, click Export, and click Export Selected Audio….Export selected audio using AudacityĪfter you open the video, select the portion of the video/media by using the marker buttons above the waveform, or using the Start and End selection boxes at the bottom of the window. Then follow the above instructions to export the audio stream to an MP3 file. Select the audio track you want to import and click OK. mkv, etc), you’re asked to select the audio stream to export, when launching Audacity. Note: If there are multiple audio tracks (e.g., one audio stream for each language in a movie file) in one media container (.mp4. Note that the VLC Player (discussed in Option 2) doesn’t have this metadata option. In the next screen, you can add metadata tags to the output MP3 file if required.In the Export Audio dialog, you can choose the quality/bitrate (constant bitrate or variable bitrate range), speed, channel mode, and the output file name.

If you want to extract the audio to a different format other than MP3, WAV, or OGG, click Export Audio. Export to MP3, WAV, and OGG options are preset choices. Once the input video file is opened, from the File menu, click Export and choose an output format.Otherwise, you need to convert it to a supported audio format, such as WAV or AIFF when opening video files such as MP4 or MKV in Audacity.

Note: If you haven’t installed FFmpeg for Audacity, you’ll see the error Without the optional FFmpeg library, Audacity cannot open this type of file.

Ffmpeg extract audio from mp4 to mp3