main.txt

简单lpc音码器与声激励lpc音码器比较

clc;
clear all;
InputFilename='MaleVoice.wav';
[inspeech,Fs,bits]=wavread(InputFilename);
outspeech1=speechcoder1(inspeech);outspeech2=speechcoder2(inspeech);
figure(1);
subplot(3,1,1);
plot(inspeech);
grid;
subplot(3,1,2);
plot(outspeech1);
grid;
subplot(3,1,3);
plot(outspeech2);
grid;
disp('Press a key to play the original sound!');
pause;
soundsc(inspeech,Fs);
disp('Press a key to play the LPC compressed sound!');pause;
soundsc(outspeech1,Fs);
disp('Press a key to play the voice-excited LPC compressed sound!');
pause;
soundsc(outspeech2,Fs);