« Reply #2 on: Sunday 14 January 24 12:24 GMT (UK) »
All video files are a container. They contain a video stream and an audio stream.
For example, the video stream might be encoded as avi, mov, flv, quicktime, mkv or webm
and the audio stream as mp3, AAC, wav, pcm, ogg vorbis, monkeysaudio.
The final container might include any combination of these.
The playback device must have the codecs installed to enable playback of the video/audio stream.
You could try VLC which will show you what codecs (video and audio) are used in the 'frog' file or
you could try an online program using the search terms 'separate audio from video file'.
This will discard the video part of the file and keep the audio part.
You should then be able to separate the audio from the video.
Good luck
Jim
Willey, Berry, Cox, Davis, Haddock, Hutton, Griffiths/Griffin, Tanner - Worcestershire
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