The audio signal band-pass filter, band-pass bandwidth 800HZ ~ 22000HZ

实验5 音频信号采集与处理.ppt
Audio Codec Talkthrough - I2S (C)\C_Talkthrough_I2S.dpj
.................................\C_Talkthrough_I2S.dpj.bak
.................................\C_Talkthrough_I2S.mak
.................................\C_Talkthrough_I2S.pcf
.................................\Debug\C_Talkthrough_I2S.dxe
.................................\.....\C_Talkthrough_I2S.log
.................................\.....\Initialize.doj
.................................\.....\ISR.doj
.................................\.....\linker_log.xml
.................................\.....\main.doj
.................................\.....\Process_data.doj
.................................\Debug
.................................\Initialize.c
.................................\ISR.c
.................................\main.c
.................................\Process_data.c
.................................\readme.txt
.................................\Talkthrough.h
Audio Codec Talkthrough - I2S (C)
....._pushbutton\convert_ez_kit.m
................\Debug\exp2_4_533.dxe
................\.....\exp2_4_533.log
................\.....\Init.doj
................\.....\ISR.doj
................\.....\linker_log.xml
................\.....\main.doj
................\.....\Process.doj
................\Debug
................\exp2_4_533.dpj
................\exp2_4_533.mak
................\exp2_4_533.pcf
................\Init.c
................\ISR.c
................\MAFilter.h
................\main.c
................\Process.c
................\speech_tone.mat
................\speech_tone_48k.pk
................\speech_tone_48k.wav
Audio_pushbutton
5.wav
感恩的心 (欧阳菲菲).mp3
实验5 音频信号采集与处理.doc

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