1 function [x, t] = readPCM(file, fs) 2 %[x, t] = readPCM(file, fs) 3 % 4 %Reads a signal from a PCM file. 5 % 6 %x: The read signal after normalization. 7 %t: The respective time vector. 8 % 9 %file: The PCM file where the signal is stored in int16 format. 10 %fs: The signal sample rate in Hertz. 11 fid = fopen(file); 12 x = fread(fid, inf, 'int16'); 13 fclose(fid); 14 x = x - mean(x); 15 x = x / max(abs(x)); 16 t = 0:(1 / fs):((length(x) - 1) / fs); 17
