I have got a int16 array (called allAudio) and would like to run the function 'findpeaks' on it. When I write pks = findpeaks(allAudio(1,:)), the error message says: "Error using findpeaks (line 59) Input arguments must be 'double'."
I don't understand it... Any thoughts?
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findpeaks only operates on numbers that are 64 bit floating point numbers (they're called doubles).
Convert your 16bit integers to double with the function "double".
double_allAudio = double(allAudio);