Extract audio from video — Delivery workflow

Worked example

Rename the download for its purpose.

The automatic name ends in -video-to-mp3, which says how the file was made but not what it is, so call it something like lecture-week3.mp3 and keep the source video next to it in case you need a different format later.

Choose the format for where the audio goes. A podcast app or a car stereo wants MP3 or M4A at 128 to 192 kbps; a transcription service or an audio editor is usually happier with WAV or a high-bitrate file, and you can ask the receiver which they prefer.

Take the student with the 60-minute lecture: she extracts M4A at 128 kbps for the phone, about 58 MB, and also keeps a Mono WAV only for the one lecture she wants transcribed. Splitting the work this way keeps the phone storage free and the transcript accurate.

A common mistake is publishing audio you do not have the right to use. Extracting the sound does not change who owns it, so confirm you have permission before sharing or posting audio taken from someone else's video or from a recording with other people's voices.

The page offers no fields for title, artist or cover art, so add those in your player or podcast software. Before handing over, play the first and last minute once on the target device and check the length shown by the receiving platform against its current upload guide.

Local video containing an audio track

MP3 audio track

Keep the source video and a note of the format and bitrate you chose; that is enough to produce the same audio again.