[Simulink] Play and record audio simultaneusly

Question

José M. Requena Plens 2020-7-8

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https://ww2.mathworks.cn/matlabcentral/answers/561719-simulink-play-and-record-audio-simultaneusly

评论： José M. Requena Plens 2020-7-15

Hello,

I'm trying to design a model that can play and record sound simultaneously, something like the audioPlayerRecorder object. Is it possible to do it in Simulink?

I have a full-duplex sound card, I have verified that it works with audioPlayerRecorder, but in the blocks I can only put 'Audio Device Writer' and 'Audio Device Reader' separately and does not work, plays for a few milliseconds and then only receives.

Any idea how to do it in Simulink?

Thanks

Note: I'm a newbie with Simulink, sorry if the question is simple.

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Answer 1

Carlos Sanchis 2020-7-15

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https://ww2.mathworks.cn/matlabcentral/answers/561719-simulink-play-and-record-audio-simultaneusly#answer_465971

After looking at the model with Professor Requena, we've concluded the issue was the sample time of the noise source, which was set to a few seconds. With a sample time of 0.0001 seconds, this works well.