No Stereo sound on Recalbox 4.0



  • Thread title.

    I used to have stereo sound when I installed the distro, but it misteriously disappeared. I use the 3.5mm jack and I've probed my cable and the audio output on the board with a tester: the hardware is fine and has both channels and ground. I also tried changing audio output from auto to hdmi or from hdmi to jack but no luck. On the recalbox log it shows Plback channels: Mono and I have no options in GUI to switch from mono to stereo, so I'm kinda stuck without options right now.



  • @webodan when you say the sound is mono : do you have only 1 speaker outputting sound ?



  • @Substring exactly, no matter what i do only one channel sounds. when i plug in headphones it's specially noticeable that only one side works


  • Banned

    Perhaps I have an answer. The Audio plug from the Raspberry PI 3 has 4 instead of 3 contacts. At top video, and if you plugin a normal stereo audio plug, you have mono. You need an iphone Audio jack, here the difference
    alt text



  • @Dragu that's because the pi can output composite video through the jack phone. I haven't had the opportunity yet to test the jack output, but as far as i remember, never had sound problems


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