Dante 64×64 Card – Flow Limit

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This topic contains 6 replies, has 5 voices, and was last updated by Profile photo of arock arock 1 week, 4 days ago.

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  • #93257
    Profile photo of Aled
    Aled
    Participant

    Quick question – the Dante 64×64 card – what’s the flow limit?

    My assumption is that it’s using the Audinate Dante HC chip (the Brooklyn II chip only supports 32×32 @ 96kHz but the card supports 64×64 @ 96kHz) – in which case it’d be 64 flows (imposed by A&H – not the chip limit, which would be 256×256)?

    Can anyone either confirm/clear up my assumption?

    Thanks!

    #93258
    Profile photo of Showtime
    Showtime
    Participant

    For network it is 64×64 at 48 96 khz

    Dante Virtuel soundcard is limited 32 ch at96 khz

    #93259
    Profile photo of Aled
    Aled
    Participant

    Thanks for your reply Showtime – but are you saying that the card can support 64 x 64 flows or channels?

    I know that the Dante 64×64 Card can support 64 channels – that’s in the spec. What I’m asking is if it can support 64 separate flows (or 32? or 16?) – which determines the number of devices you can send from, rather than the number of channels.

    I’m not interested in Dante Virtual Soundcard at the moment, thanks.

    #93260
    Profile photo of SteffenR
    SteffenR
    Participant

    As far as I remember is the flow limit only valid for multicast scenarios
    and there is a 32×32 limit since every flow is reserving 2 audio channels

    but without multicast, no limit I think

    #93263
    Profile photo of Aled
    Aled
    Participant

    Spoke to Allen & Heath for those that are interested:

    The Dante 64×64 Card allows 64 channels of audio over 64 separate flows and is based on the Dante HC technology (not chip, my mistake!)

    That is, you could send 1 channel of audio from 64 separate devices to the card – although it wouldn’t be terribly efficient (wasting 3/4 of bandwidth as each unicast flow encapsulates 4 channels of audio)

    #93271
    Profile photo of volounteer
    volounteer
    Participant

    Dante Specs:
    Maximum channels per link: 1024 (512×512)
    Ethernet data rates: Fast Ethernet, Gigabit Ethernet
    Maximum sampling rate: 192 kHz
    Maximum bit depth: 32 bits
    Minimum latency: 150 µs

    AH 64×64 Dante card Features
    64 bidirectional channels of Dante I/O at 96kHz or 48kHz
    Primary and Secondary audio ports for redundancy or switched operation
    Dedicated Control Network port for configuration
    AES67 compatible
    Dante Domain Manager (DDM) ready

    AH Dante – Avantis
    64 bidirectional channels of Dante I/O at 96kHz or 48kHz
    Primary and Secondary audio ports for redundancy or switched operation
    Dedicated Control Network port for configuration
    AES67 compatible
    Dante Domain Manager (DDM) ready

    AH Has other cards for other systems.

    #93860
    Profile photo of arock
    arock
    Participant

    The Dante 64×64 Card allows 64 channels of audio over 64 separate flows and is based on the Dante HC technology (not chip, my mistake!)

    That is, you could send 1 channel of audio from 64 separate devices to the card – although it wouldn’t be terribly efficient (wasting 3/4 of bandwidth as each unicast flow encapsulates 4 channels of audio)

    I just got the Dante card for the SQ and it has 128 flows. That number is what is reported in Dante Controller so I presume it is correct. As you say, that is enough for every channel in the 64×64 config to have its own flow – amazing.

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