read .wav files，analysing them in time domain，frequency domain and extract some feature parameters related，then do linear prediction analysis ，and get LPC linear prediction parameters，and fundamental tone period was estimated based on prediction error。

voice recognition_matlab code
.............................\background.jpg
.............................\banquanxinxi.m
.............................\enframe.m
.............................\fenlie2.m
.............................\fenlie2_mian.m
.............................\Judge2_mfcc.m
.............................\Jushi.m
.............................\LPC1.m
.............................\LPCpu.m
.............................\Maben.m
.............................\melbankm.m
.............................\mfcc.m
.............................\MMaben.mat
.............................\Numdata.mat
.............................\Periods.m
.............................\RcNum.m
.............................\RcNum1.m
.............................\RcVoice.fig
.............................\RcVoice.m
.............................\readme.txt
.............................\sample.m
.............................\vad.m
.............................\vad_gui.m
.............................\VQ2.m
.............................\wav
.............................\...\0_1.wav
.............................\...\1a3.wav
.............................\...\2a2.wav
.............................\...\2a9.wav
.............................\...\3a7.wav
.............................\...\3_1.wav
.............................\...\4a1.wav
.............................\...\4a8.wav
.............................\...\5.wav
.............................\...\6a0.wav
.............................\...\7a8.wav
.............................\...\7a9.wav
.............................\...\7_1.wav
.............................\...\8a1.wav
.............................\...\8a4.wav
.............................\...\8a7.wav
.............................\...\8_1.wav
.............................\...\9a9.wav
.............................\...\开门1.wav
.............................\...\开门11.wav
.............................\...\开门17.wav
.............................\...\开门2.wav
.............................\...\开门_1.wav
.............................\...\开门女1.wav

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