How to record audio with start and stop pushbuttons in gui and plot the fft

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mohanish 2018-8-30

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https://ww2.mathworks.cn/matlabcentral/answers/416887-how-to-record-audio-with-start-and-stop-pushbuttons-in-gui-and-plot-the-fft

评论： mohanish 2018-9-11

I am writing a program to record an audio file with start and stop push buttons. how do I set an audiorecorder in first place? and then how to make the pushbuttons start the recording and stop the recording?

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mohanish 2018-9-5

Don't I have to first set an audiorecorder?

mohanish 2018-9-6

here is the code and fig file that i am working on

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回答（1 个）

Kevin Chng 2018-9-7

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app1.m

Hi Mohanish,

Please refer to the attached m.file which consist the function of record, stop record, plot and play the audio. However, I constructed them in app designer instead of guide.

If you have any question, just let me know

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Kevin Chng 2018-9-11

Okay, try to help you write up guide code if I have time this week. However, the concept is similar.

mohanish 2018-9-11

yes. thanks. I got the it to record an audio from microphone and plot the frequency domain. playing the recording back is remaining. i would also like to know how to plot the frequency domain simultaneously with the audio input.

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