- macOS
- python3
- matlab
將原音檔提高六個半音及降低六個半音，並以spectrogram輸出圖片做比較。
使用matlab內建函式 shiftPitch 以及 spectrogram。
Fig(1)由上到下分別為原始音檔、提高六度、降低六度之圖形。橫軸為time、縱軸為Frequency。可以觀察到他們間距的緊密度，越低緊密度越高，反之越鬆散。
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