External Clocking

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This topic contains 5 replies, has 4 voices, and was last updated by Profile photo of SteffenR SteffenR 3 years, 10 months ago.

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  • #66235
    Profile photo of Robert McAlister
    Robert McAlister
    Participant

    So how does the SQ clocking handle a Dante stream of 44.1 or 48 KHz?

    Is this resampled at the SQ? Or can the SQ be set to another frequency rate? (other than 96 KHz)

    #66238
    Profile photo of cornelius78
    cornelius78
    Participant

    Extrapolating what I’ve heard about how SLink works when running dSnake into 48KHz stageboxes, the console will do SRC on the incoming Dante streams to bring them up to 96k before they hit the rest of the console’s processing. The console itself stays at 96KHz. Similarly, the console will do SRC on the outgoing Dante stream down to 48\44.1KHz (if that’s what the Dante card is clocked at.)

    #66283
    Profile photo of J3phMP
    J3phMP
    Participant

    So if you are using an AB168 are you sending signal to your speakers at 48 or 96hKz? Getting differing answers to this. I understand the SQ is doing all it’s processing at 96kHz, so are benefiting from that speed and or sample rate if you are using AB168 rack?

    #66286
    Profile photo of cornelius78
    cornelius78
    Participant

    Technically neither. AFAIK you build your mix in 96k on the console, then if the SLink socket is operating in dSnake mode, it’ll downsample the outgoing audio stream down to 48kHz before it gets sent to the AB168, so when it hits the AB168 it’s already at 48kHz, the AB168 will do DAC on that 48KHz signal and you’ll feed your PA the analogue signal.

    #66287
    Profile photo of J3phMP
    J3phMP
    Participant

    Would there be an audible sound advantage there?

    #66305
    Profile photo of SteffenR
    SteffenR
    Participant

    If the processing is in 96kHz it will be an audible difference in an ideal listening situation, even if the output is at 48kHz the processing is more detailed…

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