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Information about audio device - MATLAB audiodevinfo
https://www.mathworks.com/help/matlab/ref/audiodevinfo.html#:~:text=ID%20%3D%20audiodevinfo%20%28IO%2CFs%2CnBits%2CnChannels%29%20returns%20the%20device%20identifier,found%2C%20then%20ID%20is%20-1.%20Examples%20collapse%20all
Information about audio device - MATLAB audiodevinfo
https://www.mathworks.com/help/matlab/ref/audiodevinfo.html
ID = audiodevinfo (IO,Fs,nBits,nChannels) returns the device identifier of the first input or output device that supports the sample rate, number of bits, and the number of channels specified by the values of Fs, nBits, and nChannels , respectively. If no supporting device is found, then ID is -1. Examples collapse all
How to identify the default audio device - MathWorks
https://www.mathworks.com/matlabcentral/answers/330809-how-to-identify-the-default-audio-device
The default audio device for recording or playing sound is determined by the operating system and is typically a user-customization preference. For example, in Windows 10, default audio devices are selected via Control Panel -> Hardware and Sound -> Sound. MATLAB uses the default audio device as selected by the operating system.
matlab - Microphone Device ID - Stack Overflow
https://stackoverflow.com/questions/22304416/microphone-device-id
mic1 = audiodevinfo (1, 0) mic2 = audiodevinfo (1, 1) mic3 = audiodevinfo (1, 2) where the first argument is output/input (0 or 1) and the second argument is the device ID. Then you can address the mics separately, for example by using audiorecorder (Fs, NBITS, NCHANS, ID) and replacing ID with 1 for mic2
Module 3: Listen to Audio Signals with MATLAB
https://catalyst2019.github.io/files/Module3-play-audio.pdf
Each audio port is associated with a unique ID number. Unfortunately, these ID numbers can change depending on whether a device was connected to your computer prior to starting MATLAB. Before you can play audio through your loudspeakers, you have to identify which is the ID number of the computer audio output port to which you connected the ...
How to get the Audio Device number from the Audio …
https://stackoverflow.com/questions/15042295/how-to-get-the-audio-device-number-from-the-audio-device-id
User can select his input device (Mic) and output device (speaker) preference to speak and hear. There is another platform level code (Written in C Program), which expects the device number to play and listen to appropriate device. This is an integer value (what we call Wave in and Wave out id).
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