ASIO audio driver with MATLAB 2016a

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Axel Ahrens
Axel Ahrens 2016-7-27
回答： Gloria Helena Munera 2017-2-16
Hi everybody,
I want to use ASIO drivers with the DSP system toolbox in MATLAB2016a, however, it seems that the option in the preferences as in 2015 does not exist anymore. I use 'audioDeviceWriter' and one of the options is 'Driver' but it seems that I need the 'Audio System Toolbox' (not for free?!). Is there a way to use ASIO drivers with MATLAB2016a without the need of external toolboxes like Psychtoolbox?
Best, Axel

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Puneet Rana
Puneet Rana 2016-7-27
Axel,
You can continue using ASIO with DSP System Toolbox in R2016a by changing the driver using MATLAB command-line as described in this doc page. For example, the following code will set ASIO driver:
>> setpref('dsp','portaudioHostApi',3)
Going forward, please note that dsp.AudioPlayer and dsp.AudioRecorder are on their path to deprecation and are superceded by the much improved audioDeviceWriter and audioDeviceReader objects.
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Axel Ahrens
Axel Ahrens 2016-7-28
编辑：Axel Ahrens 2016-7-28
Hi Puneet,
thanks a lot for your answer. I found my mistake! The device name of the soundcard changes when using ASIO. I was using the device name from the windows direct sound driver and got an error message that I did interpret in a wrong way. However, I can now create an audioDeviceWriter object with ASIO drivers, but Im not allowed to use it. This is the error message I get:
Error using audioDeviceWriter/setup
Unable to checkout a license for the Audio System Toolbox. The license is needed to use non-default values of driver, bit depth, or channel
mapping.
Error in audioDeviceWriter/setupImpl
Error in audioDeviceWriter/play
So it seems that I need to buy the AudioSystemToolbox just to use ASIO drivers?
Best, Axel
Puneet Rana
Puneet Rana 2016-7-29
Axel,
You can still use ASIO with dsp.AudioPlayer. Instead of changing the driver under MATLAB preferences, you would need to use the setpref() command I mentioned in my answer.
However, in order to use ASIO with audioDeviceWriter, you would need Audio System Toolbox.
HTH,
Puneet

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更多回答（1 个）

Gloria Helena Munera
How to send an audio file to different channels of an audio interface Motu ultralite mk3 in matlab 2016a on windows
I used this code
X = uigetfile; [Aw, fs] = audioread (x); Player = audioplayer (aw, fs, 24); Play (player)
Every time you play audioplayer (aw, fs, 24, id);
Error using audioplayer (line 223) Could not find the specified device
Error in pru (line 10) Player = audioplayer (aw, fs, 24.2);
Use info = dspAudioDeviceInfo to know my card ID
Please help! With examples

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