Procedure
There are number of steps to design the speech recognition system using MATLAB.
1) Record raw speeches. A microphone and the Sound Recorder in Windows are used to store them as both training and testing data.
2) Read the signals with MATLAB. The function called “readwav” is used to read the recorded signals.
3) Transform the signals into simpler form. In this step, the function “fft(signal, sampled frequency)” is used.
4) Create a feed-forward back-propagation network using the function “newff.”
5) Train the network with the training data.
6) Test the network by creating a new network with test data and comparing the two networks and see if they are similar or not.
7) Determine and classify the test data into different groups with the result of step 6) above.
