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AnsweredASIO DRIVER and frequency response

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BLMLN
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2020/01/18 13:56:12 (permalink)
Hi,
 
I´m trying to use the ASIO driver in my NU AUDIO and it is not working in full-duplex.
 
When I try to test it in RMAA it´s not working with input and output in ASIO. Is there any clue on how to put it to work? It works with the input ASIO and output WME, for example.
 
Another problem is the frequency response of the card. Is that limited by a filter? I mean, I was trying to sweep the frequency response and even with the sampling frequency at 384kHz, the response is limited to 22kHz. Where can I turn this filter off? 
 
Regards,
post edited by BLMLN - 2020/01/21 16:19:23
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    ty_ger07
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    Re: ASIO DRIVER and frequency response 2020/01/18 21:33:07 (permalink)
    BLMLN
    I was trying to sweep the frequency response and even with the sampling frequency at 384kHz, the response is limited to 22kHz.

    Trying to communicate with dogs or something?

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    BLMLN
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    Re: ASIO DRIVER and frequency response 2020/01/19 03:19:33 (permalink)
    Yes, since some donkeys are trying to communicate with us, humans, in technical forums like this, it is a possibility.
     
     
    post edited by BLMLN - 2020/01/21 16:19:37
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    BLMLN
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    Re: ASIO DRIVER and frequency response 2020/01/19 03:27:30 (permalink)
    Well,
    Yesterday I used ASIO4ALL driver and NU Audio ASIO (one in ADC and other in DAC) and I was able to put the loopback test to work. The 22kHz filter is disabled in ASIO mode, so I achieved a full frequency response in this case.
     
    Unfortunately, the ASIO4ALL is limited to 192kHz sampling rate, so the overall frequency response of the system is still limited.
     
    It seems to be a problem with the NU ASIO driver. Is there any place where I can ask for a correction here, or is this the right place?
     
    Regards, 
     
     
     
    post edited by BLMLN - 2020/01/21 16:19:56
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    BLMLN
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    Re: ASIO DRIVER and frequency response 2020/01/21 07:23:53 (permalink)
    Hi EVGA´s people. 
     
    Any news regarding the ASIO problem?
     
    Regards,
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    EVGA_Lee
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    Re: ASIO DRIVER and frequency response 2020/01/21 11:56:49 (permalink) ☼ Best Answerby BLMLN 2020/01/21 12:39:27
    BLMLN
    Hi EVGA´s people. 
     
    Any news regarding the ASIO problem?
     
    Regards,


    I've having our team look into this.  What sample rate are you setting in Windows?
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    BLMLN
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    Re: ASIO DRIVER and frequency response 2020/01/21 12:53:26 (permalink)
    Tks!
     
    I tried 44.1, 48kHz and 192kHz, all of them failed. By default, I put Windows and Virtins in 48kHz. I tried two software, Virtins MI and RMAA, both with the same behaviour: there is input residual noise from Line IN, but the output signal can´t reach it. If I open up all the volume output and input in the NU Control panel a small fraction of the signal appears in the spectrum analyzer.
     
    When I use NU ASIO in DAC and ASIO4ALL in ADC, in  Virtins, it works, but ASIO4ALL can´t reach a 384kHz sampling rate.
     
    BTW,  ASIO allows, theoretically, the signal to bypass the NU control panel (it works with other hardware), but the NU does not allow this. Even using Asio drivers I need to adjust the level in and level out at the NU Control Panel. Is that by design?  
     
    Tks again and regards,
    post edited by BLMLN - 2020/01/21 16:18:22
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    EVGA_Lee
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    Re: ASIO DRIVER and frequency response 2020/01/21 13:45:47 (permalink)
    The only unique volume control in the NU Audio/NU Audio Pro software is the headphone volume control for the analog headphone amp.  The volume control in the NU Audio/NU Audio Pro software for Line Out and Line In is directly tied to the Windows volume control, so there shouldn't be anything special with it, AFAIK.  ASIO still generally allows for you to use WDM controls for the volume.  Other DSP is disabled, however.
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    BLMLN
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    Re: ASIO DRIVER and frequency response 2020/01/21 14:01:59 (permalink)
    Ok, but, with other hardware, when I set "allows the application to take exclusive control of the hardware" option, ASIO bypass the volume mixer controls, control panel in and out controls etc.
    It is not a problem, IMHO, except for automation; I was just curious about that because this was the first time I saw this behaviour. 
     
    Regards,
     
    post edited by BLMLN - 2020/01/21 16:19:05
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