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how to create a signal with parameters that can be changed while the signal is running?

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Ali Albaidhani 2022-4-5

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回答： Jeffrey Clark 2022-4-18

Hello everyone,

I have this problem. I need to create a sine wave and be able to change it's magnitude while the signal is running.

I tried generating a sine wave in background continuously, but i can only change the magnitde if i preload the data again and start another signal.

Please help if you know a way.

regards

Ali

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Ali Albaidhani 2022-4-6

is it even possible to generate such a thing with matlab?

Walter Roberson 2022-4-18

I recommend that you read the discussion at https://www.mathworks.com/matlabcentral/answers/1692675-how-to-display-audio-file-length-in-matlab-gui#comment_2096115

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Jeffrey Clark 2022-4-18

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It is possible that this low-level audio interface could work for you:

pa-wavplay - File Exchange - MATLAB Central (mathworks.com)

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