Commit 758e3050 authored by 袁通's avatar 袁通
Browse files

finish basic task

parent 1267162e
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+40.1 KiB
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+25.6 KiB
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+3 −3
Original line number Diff line number Diff line
@@ -21,8 +21,8 @@ hold on

for i = 1:length(lpf)
    yn = tone_vocoder(N, Freq_low, Freq_high, Freq_sample, lpf(i), sample);
    yn = fftshift(fft(yn));
    yn_abs = abs(yn);
    yn_shift = fftshift(fft(yn));
    yn_abs = abs(yn_shift);

    %plot yn_abs
    subplot(4, 1, i);
@@ -31,7 +31,7 @@ for i = 1:length(lpf)
    title(sprintf('Tone Vocoder:N = 4, f_{lpf}=%d Hz',lpf(i)))

    xlabel('Frequency(Hz)');ylabel('Magnitude');
    audiowrite(sprintf('task2_N=4_lpf=%d.wav',lpf(i)),real(yn),Freq_sample);
    audiowrite(sprintf('task2_N=4_lpf=%d.wav',lpf(i)),abs(yn),Freq_sample);
    

    grid on
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