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    No Stereo sound on Recalbox 4.0

    Recalbox General
    stereo sound recalbox 4.0
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    • webodan
      webodan last edited by

      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.

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      • Substring
        Substring @webodan last edited by

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

        Former dev - Please reply with @substring so that i am notified when you answer me
        Ex dev - Merci de me répondre en utilisant @substring pour que je sois notifé

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        • webodan
          webodan @Substring last edited by

          @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

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          • Dragu
            Dragu Banned last edited by

            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

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            • Substring
              Substring @Dragu last edited by

              @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

              Former dev - Please reply with @substring so that i am notified when you answer me
              Ex dev - Merci de me répondre en utilisant @substring pour que je sois notifé

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              • paradadf
                paradadf Staff
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                @Dragu
                last edited by

                @Dragu you can see the needed conector here:
                https://github.com/recalbox/recalbox-os/wiki/Connect-your-recalbox-to-a-CRT-with-composite-(EN)

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