Qu24 USB B Noise

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This topic contains 62 replies, has 11 voices, and was last updated by Profile photo of volounteer volounteer 1 year, 4 months ago.

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  • #62507
    Profile photo of I am
    I am
    Participant

    Is this it?

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    #62509
    Profile photo of Andreas
    Andreas
    Moderator

    Correct view, but I can’t see the Qu…

    #62510
    Profile photo of I am
    I am
    Participant

    Do I need to be connected to the board? Ok I’ll do that tomorrow.

    #62514
    Profile photo of I am
    I am
    Participant

    Here it is.

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    #62518
    Profile photo of Andreas
    Andreas
    Moderator

    yes, looks ok. Except that the Qu is sharing the same USB controller with WiFi and several other (internal?) devices. Guess this is a very bad idea…
    Still guessing this is a notebook, right?

    #62519
    Profile photo of I am
    I am
    Participant

    Yes HP Notebook. Later I will try to turn on airplane mode and see if that is the remedy. On the external USB ports I only have a mouse.

    #62521
    Profile photo of I am
    I am
    Participant

    Well all settings are as prescribed and noise is still present across all channels. It comes and goes. Turned off bluetooth and wifi to no avail.

    #62523
    Profile photo of Andreas
    Andreas
    Moderator

    Basic problem is, that the external ports are exposed through an internal hub and share USB bandwidth with many other devices like WiFi or the Webcam (HP TrueVision HD). Running isochronous multichannel audio through a hub already is critical if its the only device. Sharing the connection with other, potentially full speed or high bandwidth, devices simply kills the audio streams.
    Unless one of your USB sockets is connected to a native USB controller, you are probably out of luck with that notebook.

    #62524
    Profile photo of I am
    I am
    Participant

    Can’t I shut them off?

    #62525
    Profile photo of Andreas
    Andreas
    Moderator

    Maybe in BIOS, not sure. And that’s still no guarantee that it does work afterwards. Obviously the system is not designed for high bandwith, zero-tolerance audio streaming on that particular USB socket. Maybe updating the chipset drivers could help, but that does not change the hardware architecture.
    Did you try another USB socket (if available) to check if thats connected to a different controller port?

    #62526
    Profile photo of I am
    I am
    Participant

    I will try all your suggestions when I get home. Thanks.

    #62528
    Profile photo of Andreas
    Andreas
    Moderator

    crossing fingers…

    #62533
    Profile photo of I am
    I am
    Participant

    How does this look?

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    #62535
    Profile photo of [XAP]Bob
    [XAP]Bob
    Participant

    Do you have an express card slot, or something else that could give you a translated, but non hubbed, USB port?

    #62538
    Profile photo of I am
    I am
    Participant

    I don’t know. I’ll check when I get home. What are the chances that will work?

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