MATLAB: How to simultaneously play and record sound waves of wide range

audio

matlab program

Best Answer

Use the DSP Toolbox; or use the Data Acquisition toolbox with an A/D convertor board that is connected to the microphone, and to the amplifier and speakers.

Do not bother trying to use the audiorecorder along with the audioplayer for this kind of work: they have too much latency for this purpose, and you cannot synchronize them and you cannot time-stamp.

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MATLAB: How can i record the voice in matlab GUi

That is described in the documentation for audiorecorder, specifically in Collect a sample of your speech with a microphone, and plot the signal data

MATLAB: Audio file (.wav) being overwritten

You have

speech = ('coch4.wav');
speech2 = speech;

So your speech2 filename is the same as your speech filename.

[y,Fs]=audioread(speech2); %don't use wavread or audioread

So you read from coch4.wav via speech2 filename

audiowrite(speech, speech_trimmed, 44100);

and then you write to the file name given by speech, which is the same as the filename given by speech2, so you are writing to the same file that you read the data from.

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Related Solutions

MATLAB: How can i record the voice in matlab GUi

MATLAB: Audio file (.wav) being overwritten

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