Stm32 of digital voice storage and playback system-based software design. The system has been collecting voice signal pickup by the bandpass filter and AGC, into the AD, then the data are stored in SRAM, band-pass filter is then sent by the DA, to restore the voice signal from the speaker. The system can be a good storage and playback voice signal. , The source is developed in mdk. The software design is divided into two modules: the compression and decompression coding and storage module. Compression PCM coding and ADPCM encoding the two available buttons store is the the FSMC store (256k flash) storage.

voice2.0\source\MS3\keyprocess.c
........\......\...\keyprocess.h
........\......\...\message.c
........\......\...\message.h
........\......\...\MSTimer.c
........\......\...\MSTimer.h
........\......\Stm32\main.c
........\......\.....\init.h
........\......\.....\init.c
........\......\.....\STM32F10xR.LIB
........\......\.....\common.h
........\......\.....\stm32f10x.h
........\......\.....\delay.c
........\......\.....\delay.h
........\......\.....\stm32f10x_it.h
........\......\.....\stm32f10x_it.c
........\......\..artup\cortexm3_macro.s
........\......\.......\stm32f10x_vector.s
........\......\.......\STM32F10x.s
........\......\User\AD7864.c
........\......\....\PGAcontrol.h
........\......\....\PGAcontrol.c
........\......\....\AD7864.h
........\......\....\measure.c
........\......\....\measure.h
........\......\....\AD9851.h
........\......\....\AD9851.c
........\......\....\RealTime.c
........\......\....\PCM.c
........\......\....\PCM.h
........\......\....\adpcm.h
........\......\....\ADPCM.c
........\......\....\LTC1272.c
........\......\....\LTC1272.h
........\......\....\fsmc_sram.c
........\......\....\fsmc_sram.h
........\......\....\voice.h
........\......\....\voice.c
........\......\LCD\lcd_display.h
........\......\...\lcd_display.c
........\......\...\GUI.zip
........\......\...\lcddriver.c
........\......\...\lcddriver.h
........\......\...\lcdgui.c
........\......\...\lcdgui.h
........\......\DSPLib\FFT.c
........\......\......\iir_stm32.c
........\......\......\PID_C_stm32.c
........\......\......\fft.h
........\......\......\stm32_dsp.h
........\......\......\table_fft.h
........\......\......\cr4_fft_1024_stm32.s
........\......\......\PID_stm32.s
........\......\......\iirarma_stm32.s
........\......\......\fir_stm32.s
........\......\......\cr4_fft_256_stm32.s
........\......\......\cr4_fft_64_stm32.s
........\project\VoiceCoding2.0.uvproj
........\.......\pattern_Target 1.dep
........\.......\pattern_project.dep
........\.......\pattern.uvopt
........\.......\JLinkArm_project.ini
........\.......\pattern_Uv2.Bak
........\.......\pattern_Opt.Bak
........\.......\pattern.opt.bak
........\.......\VoiceCoding_project.dep
........\.......\pattern.Uv2.bak
........\.......\pattern_uvproj.bak
........\.......\pattern_uvopt.bak
........\.......\JLinkLog.txt
........\.......\VoiceCoding_uvproj.bak
........\.......\VoiceCoding.uvopt
........\.......\VoiceCoding2.0_project.dep
........\.......\VoiceCoding_uvopt.bak
........\.......\VoiceCoding2.0.uvopt
........\.......\VoiceCoding2.0_uvproj.bak
........\.......\VoiceCoding2.0_uvopt.bak
........\.......\pattern.tra
........\.......\pattern.sct
........\.......\pattern.map
........\list\cortexm3_macro.lst
........\....\stm32f10x_vector.lst
........\....\STM32F10x.lst
........\....\pattern.map
........\output\pattern.plg
........\......\ExtDll.iex
........\......\cortexm3_macro.o
........\......\STM32F10x.o
........\......\main.d
........\......\stm32f10x_vector.o
........\......\main.crf
........\......\main.o
........\......\init.d
........\......\init.crf
........\......\delay.d
........\......\delay.crf
........\......\delay.o
........\......\stm32f10x_it.d
........\......\stm32f10x_it.crf
........\......\mstimer.__i

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