Home What are Facebook Messenger audio message formats?
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What are Facebook Messenger audio message formats?

fardin Published in 2018-02-09 22:35:23Z

I'm using Facebook Messenger to send an audio file to my bot. The webhook call that Facebook sends me includes a URL, which is the audio file and when I download it it's in .mp4 format (weird, since it's supposed to be audio not video).

I didn't find any documentation as to why it's .mp4, and whether there is the option to get a different format from Facebook. Anyone knows anything about this?

Ram Reply to 2018-02-11 03:18:19Z

Wikipedia, as found by searching for "mpeg 4 audio" using Google

MPEG-4 Part 14 or MP4 is a digital multimedia container format most commonly used to store video and audio, but it can also be used to store other data such as subtitles and still images.

I can confirm this is the case as I've pulled one of these files down as well.

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