Helpful ReplyUnwanted sample rate changes using ASIO4ALL ver 2.12

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mbolton99
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2015/05/08 18:57:26 (permalink)

Unwanted sample rate changes using ASIO4ALL ver 2.12

A4A is constantly changing the sample rate on my audio interfaces to the lowest possible rate on two of the interfaces (m-audio delta 1010s) which is not supported by the other two (m-audio m-track 8s) it also causes very slow response from the daw (Sonar X3 Producer) i.e invoke and start record/playback as well as any edit preferences changes.
Any help and advice would be very much appreciated. The WDM/KS driver setting in Sonar supports all of the inputs and outputs of all four interfaces simultaneously but the audio quality sounds slightly muddy and distorted.
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    scook
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    Re: Unwanted sample rate changes using ASIO4ALL ver 2.12 2015/05/08 19:10:45 (permalink)
    Moved from Problem Reports to SONAR although this appears to be a driver problem and not a SONAR issue.
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    Anderton
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    Re: Unwanted sample rate changes using ASIO4ALL ver 2.12 2015/05/08 19:56:08 (permalink)
    You won't find a lot of love for ASIO4ALL here; it's based on "wrapping" the stock Windows drivers so they look like ASIO.
     
    As you found out, Windows can aggregate devices using WDM. However, four interfaces is a lot to hook into the system. I suspect if you want to do this with WDM, you'll need to raise the latency considerably.
     
    Also check out my "Tip of the Week" regarding a possible way to reduce latency and improve driver efficiency.

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    mudgel
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    Re: Unwanted sample rate changes using ASIO4ALL ver 2.12 2015/05/09 00:25:09 (permalink)
    When aggregating drivers/devices using WDM/KS drivers the devices really need to have their clocks synchronised ensuring that sample rates perfectly match. This explains why you have some distortion and muddyness in your audio. A system with multiple devices requires a single clock to which all devices connect and gain the proper sample clock signal. 4 devices 4 clocks not a good way to get good quality sound.

    The 1010s will synchronise through the driver applet which has a setting for it. A maximum of 3 1010s I think. The delta 44 and 66 use the same driver as the 1010s so they too can be aggregated even using ASIO drivers.

    Mike V. (MUDGEL)

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    57Gregy
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    Re: Unwanted sample rate changes using ASIO4ALL ver 2.12 2015/05/09 09:06:10 (permalink)
    "You won't find a lot of love for ASIO4ALL here; it's based on "wrapping" the stock Windows drivers so they look like ASIO."
     
    Have you tried the true ASIO drivers from M-Audio?

    Greg 
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    Doktor Avalanche
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    Re: Unwanted sample rate changes using ASIO4ALL ver 2.12 2015/05/09 11:20:16 (permalink) ☄ Helpfulby BobF 2015/05/09 12:51:17
    Completely remove ASIO4ALL.
    Download the latest driver and firmware update here:
    http://www.m-audio.com/support/drivers
     
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    BobF
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    Re: Unwanted sample rate changes using ASIO4ALL ver 2.12 2015/05/09 12:47:03 (permalink)
    Doktor Avalanche
    Completely remove ASIO4ALL.




    The only thing to add to this is to delete the install files from your system and block web sites that offer it for you to download.

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    #7
    Doktor Avalanche
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    Re: Unwanted sample rate changes using ASIO4ALL ver 2.12 2015/05/09 12:48:29 (permalink)
     
    BobF
    and block web sites that offer it for you to download.



    Yes I have asked my ISP to sort this out.
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