1) voice signal acquisition 2) speech signal spectrum analysis 3) design high-pass, low pass digital filter and plot its frequency response 4) filtering the signal with a filter 5) to compare the before and after filtering the speech signal waveform and spectrum 6) Play the original voice signal 7) to achieve fast, slow function 8) to achieve an echo sound effect 9) to achieve change treble, bass 10) GUI system interface design

数字信号处理\课程设计学生用资料\变声处理系统\CoolEdit语音处理软件.doc
............\..................\............\~$信号课程设计报告(音效).doc
............\..................\............\信息工程(2008114515).doc
............\..................\............\数字信号处理陈后金版作业.doc
............\..................\............\数字信号课程设计报告(音效).doc
............\..................\............\语音伪装系统音频处理子系统设计_缩写版.pdf
............\..................\............\语音伪装系统音频处理子系统设计_讲稿.ppt
............\..................\数字信号处理\参考资料\voicepconversion\80347485voicepconversion.rar
............\..................\............\........\................\add_wav.m
............\..................\............\........\................\example_plot.m
............\..................\............\........\................\get_mins.m
............\..................\............\........\................\get_word_breaks.m
............\..................\............\........\................\load_wav.m
............\..................\............\........\................\load_wavs.m
............\..................\............\........\................\one_two_three.wav
............\..................\............\........\................\plot_cepstrum.m
............\..................\............\........\................\plot_contour.m
............\..................\............\........\................\save_chunks.m
............\..................\............\........\................\save_words.m
............\..................\............\........\................\sig_chunks.m
............\..................\............\........\................\split_sig.m
............\..................\............\........\................\Untitled.m
............\..................\............\........\................\ursula.pratt
............\..................\............\........\................\V016.WAV
............\..................\............\........\................\V017.WAV
............\..................\............\........\yuyin_matlab\652561679yuyin_matlab.rar
............\..................\............\........\............\语音\ange_shorter than 4 bytes data to 4 bytes-right.vi
............\..................\............\........\............\....\test111.vi
............\..................\............\........\............\....\test222.vi
............\..................\............\........\基本speech_processing(sola)\one_two_three.wav
............\..................\............\........\...........................\one_two_three_high.wav
............\..................\............\........\...........................\one_two_three_low.wav
............\..................\............\........\...........................\specrogram1.m
............\..................\............\........\...........................\V016.WAV
............\..................\............\........\...........................\v016_high.wav
............\..................\............\........\...........................\v016_low.wav
............\..................\............\........\...........................\V017.WAV
............\..................\............\........\...........................\v017_high.wav
............\..................\............\........\...........................\v017_low.wav
............\..................\............\........\...........................\voice.m
............\..................\............\........\...........................\voiceecho.m
............\..................\............\........\...........................\voice_echo.m
............\..................\............\........\...........................\voice_gui.fig
............\..................\............\........\...........................\voice_gui.m
............\..................\............\........\...........................\voice_sola.m
............\..................\............\........\...........................\voice_spectrum.m
............\......

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