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audio streaming over USB

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  • C Offline
    C Offline
    camcam089
    wrote on last edited by
    #1

    For my application I need to stream audio from a remote computer to the VOXL2 as well as transmit audio from a microphone on the VOXL2 to the remote computer. I am using the USB expansion board and a usb mic and speaker solution. I am having some issues with getting any sound out of the voxl and also with getting pulse audio to work in general. I am using g streamer for the creation of the RTSP stream and it works between the remote computer and a stand in NVIDIA jetson however when I integrate it with the VOXL I am running into issues. Is there something disabled on the VOXL by default or is there any other wisdom that can be offered towards solving this issue?

    Eric KatzfeyE 1 Reply Last reply
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    • C camcam089

      For my application I need to stream audio from a remote computer to the VOXL2 as well as transmit audio from a microphone on the VOXL2 to the remote computer. I am using the USB expansion board and a usb mic and speaker solution. I am having some issues with getting any sound out of the voxl and also with getting pulse audio to work in general. I am using g streamer for the creation of the RTSP stream and it works between the remote computer and a stand in NVIDIA jetson however when I integrate it with the VOXL I am running into issues. Is there something disabled on the VOXL by default or is there any other wisdom that can be offered towards solving this issue?

      Eric KatzfeyE Online
      Eric KatzfeyE Online
      Eric Katzfey
      ModalAI Team
      wrote on last edited by
      #2

      @camcam089 How are you launching GStreamer? What is the configuration? Have you tried enabling debug messages from GStreamer? https://gstreamer.freedesktop.org/documentation/tutorials/basic/debugging-tools.html?gi-language=c

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      • C Offline
        C Offline
        camcam089
        wrote on last edited by
        #3

        I am launching gstreamer just using a simple shell script that creates a basic rtsp stream pipeline. I am having trouble getting any audio out of the voxl at all even when I plug in my usb headphones and try to do any form of audio test there is still no output. I can see the microphone as well as the speaker in the device list and everything seems to be configured correctly it just never outputs any sound.

        Eric KatzfeyE Hyunsoo KimH 2 Replies Last reply
        0
        • C camcam089

          I am launching gstreamer just using a simple shell script that creates a basic rtsp stream pipeline. I am having trouble getting any audio out of the voxl at all even when I plug in my usb headphones and try to do any form of audio test there is still no output. I can see the microphone as well as the speaker in the device list and everything seems to be configured correctly it just never outputs any sound.

          Eric KatzfeyE Online
          Eric KatzfeyE Online
          Eric Katzfey
          ModalAI Team
          wrote on last edited by
          #4

          @camcam089 I would enable GStreamer debug messages and see if there are any error reports when starting your GStreamer pipeline.

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          • C camcam089

            I am launching gstreamer just using a simple shell script that creates a basic rtsp stream pipeline. I am having trouble getting any audio out of the voxl at all even when I plug in my usb headphones and try to do any form of audio test there is still no output. I can see the microphone as well as the speaker in the device list and everything seems to be configured correctly it just never outputs any sound.

            Hyunsoo KimH Offline
            Hyunsoo KimH Offline
            Hyunsoo Kim
            wrote on last edited by
            #5

            @camcam089
            Hi, I am also trying to work on doing audio streaming over USB.
            I am curious if your code is open in github or somewhere else.

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