Isn't the default output of audiodevicereader is double?
The error message - >> livedetection_lstm
Entering into while loop.
Error using dsp.STFT/step (line 251)
Expected input to be one of these types:
Instead its type was audioDeviceReader.
Error in dsp.STFT/parenReference (line 343)
Y = step(obj,u);
Error in extractFeatures (line 25)
Xcomp = stf(audioIn);
Error in livedetection_lstm (line 20)
features = extractFeatures(audioIn,16e3);