Aggregate ASIO devices

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wst3
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2015/03/29 18:07:42 (permalink)
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Aggregate ASIO devices

I suspect this is a limitation imposed by the ASIO specification, and I was kind of surprised that a quick search here did not turn up similar requests, so that may be that.

Windows driver models allow me to mix and match audio I/O - for example I can use my Presonus 1818VSL as my main output, and my PODxt to track electric guitars, while the 1818VSL inputs are reserved for other sources.
 
I can't do that with ASIO, never could.

Is there ANY work-around available? ASIO drivers seem to get more love these days, and both Presonus and Line6 ASIO drivers are capable of lower latency operation. But that does me no good when I am using the POD as an input device.
 
My current work-around is to use WASAPI when tracking and then switch to ASIO for everything else, and if I have to I can live with that, but boy I'd love to skip that step!

Thanks!

-- Bill
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    robert_e_bone
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    Re: Aggregate ASIO devices 2015/03/29 19:25:46 (permalink)
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    I think it is a limitation of the spec - there are some interface product-specific cases where their drivers allow the daisy-chaining of identical interfaces, as expansion units to allow more inputs and outputs, but that's the only kind of way I am aware you can have anything like that in place with ASIO.
     
    Certainly not interfaces from different vendors (as far as I have ever been aware), and likely not any cases where different interface models from the same product line, either.
     
    Bob Bone
     

    Wisdom is a giant accumulation of "DOH!"
     
    Sonar: Platinum (x64), X3 (x64) 
    Audio Interfaces: AudioBox 1818VSL, Steinberg UR-22
    Computers: 1) i7-2600 k, 32 GB RAM, Windows 8.1 Pro x64 & 2) AMD A-10 7850 32 GB RAM Windows 10 Pro x64
    Soft Synths: NI Komplete 8 Ultimate, Arturia V Collection, many others
    MIDI Controllers: M-Audio Axiom Pro 61, Keystation 88es
    Settings: 24-Bit, Sample Rate 48k, ASIO Buffer Size 128, Total Round Trip Latency 9.7 ms  
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    wst3
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    Re: Aggregate ASIO devices 2015/03/29 19:52:05 (permalink)
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    I've read the ASIO SDK (still can't find the actual specification on the web)... there are no provisions for multiple devices, but I can't really see where they prohibit them either. I guess I need to dig through it again.
     
    For those as curious as I am, here is a link to an excellent web pages about ASIO and Windows:
    http://www.codeproject.co...ng-ASIO-Drivers-in-NET
     
    Here is a link to the V2.0 SDK:
    http://comp.ist.utl.pt/ec-ra/Laboratorio/ASIO%20SDK%202.pdf
     
    And here is the current SDK:
    http://www.steinberg.net/sdk_downloads/asiosdk2.3.zip
     
    I'm hoping one of the gurus at Cakewalk can sort this out!
     
     
     

    -- Bill
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    wst3
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    Re: Aggregate ASIO devices 2015/03/30 13:38:50 (permalink)
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    And after all that a press release landed in my inbox this morning...
     
    For the curious - check out ODeus Audio ASIO Link Pro.
     
    It looks really interesting, and I'll be testing the demo version of it tonight!

    -- Bill
    Audio Enterprise
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    BobF
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    Re: Aggregate ASIO devices 2015/03/30 13:47:40 (permalink)
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    Thanks for posting this.  I'll be watching to see how well this performs.  I don't need aggregation very often, but there are times it would be really handy.

    Bob  --
    Angels are crying because truth has died ...
    Illegitimi non carborundum
    --
    Studio One Pro / i7-6700@3.80GHZ, 32GB Win 10 Pro x64
    Roland FA06, LX61+, Fishman Tripleplay, FaderPort, US-16x08 + ARC2.5/Event PS8s 
    Waves Gold/IKM Max/Nomad Factory IS3/K11U

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