[Python] Converted audio from mp4 to mp3 cannot be played in Telegram on iOS or Android

I am writing a telegram bot that searches for videos, downloads, converts mp4 to mp3 and throws it to the user. According to the idea, this audio file should be played everywhere. It works fine on the desktop, but it doesn't work on iOS or android.

If you convert mp4 to wav, then this format works on ios and android, but it weighs a lot.

You can advise how to correctly convert mp4 to mp3 (python) so that the audio file is played on any platform.

I use Python.

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