I think that the most detailed answer with several options can be found here: How can I convert audio from MP4 or FLV video files to mp3?
You've just extracted an mp3 track from the original video file. The Geeky Way: Extracting Mp3 From Mp4 With FFmpeg. This alternative is actually ...
Method 2. Extract Audio from Video by Recording · Step 1 Open TunesKit Audio Capture · Step 2 Play the video and record the sound · Step 3Trim ...
To encode a high quality MP3 or MP4 audio from a movie file (eg AVI, MP4, MOV, etc), I find ...
Whats the easiest way to rip an audio commentary track from an MP4 video file..... .;)
With FFmpeg, which you can download as a static build (no installation needed) for every major OS: ffmpeg -i input.mp4 -c:a copy -vn -sn ...
... can be used to extract audio from common video file formats like MP4.
Here's how to copy just the audio track (assuming it's in mp3 format):
Coupled with disabling video via -vn leaves you with a lone audio track inside an mp4 container. audiotrack.m4a: The output filename. I can't believe something ...
the tools to create audio clips from any video file including MP4, AVI, FLV, and MPEG.