wmt_recorder_study

My MCU / Embedded Linux audio recorder study

Old, to be written

• https://github.com/weimingtom/wmt_ai_study/blob/master/README_TODO_002.md#tflite-work
• https://github.com/weimingtom/wmt_ai_study/blob/master/README_TODO_001.md#related-projects

Work

• Nucleo-F446 INMP441 I2S and SAI
  https://github.com/weimingtom/stm32f446_inmp441

• ESP32, Arduino IDE
  micro_speech_v7_tf200_single_file.rar
  micro_speech_v5_tf211_lib.zip
  https://github.com/boochow/TFLite_Micro_MicroSpeech_M5Stack
  https://github.com/tanakamasayuki/Arduino_TensorFlowLite_ESP32

• ESP32, esp-idf
  blink_v2_micro_speech_success.tar.gz

• Raspberry Pi Pico
  msys_v11_raspberry_pi_pico_v1.rar
  pico-microphone_v3.rar
  https://github.com/sandeepmistry/pico-microphone

• PC, HTML5
  speech_v1.rar
  https://github.com/MimusTriurus/WebExperiments
  https://github.com/shawkatq/voice-commands-demo

• Raspberry Pi 3B, Python
  https://github.com/weimingtom/asr_rpi3b_hello/blob/master/python/baidu_STT/Smart_fan.py
  https://github.com/weimingtom/wmt_speech_study
  https://github.com/SeeedDocument/MIC_HATv1.0_for_raspberrypi/blob/master/src/baidu_STT/Smart_fan.py

• stm32f103zet6, inmp441, i2s
  WM8960_Record_v3_success_inmp441.rar

• stm32f446, inmp441, sai
  nucleo-f446-ei-kws_v2_sai_success.rar
  https://github.com/smlee00/STM32-Keyword-Spotting-with-Edge-Impulse
  https://github.com/andysworkshop/usb-microphone
  https://andybrown.me.uk/2021/01/30/usb-microphone

• stm32f446re, inmp441, i2s
  usb-microphone_v5_solve_printf_block_main_thread.rar
  https://github.com/andysworkshop/usb-microphone

• 中科蓝讯AB32VG1, 耳麦回声
  mic.rar
  wav_player_rom.rar
  中科蓝讯AB32VG1开发实践指南在线文档
  https://docs.qq.com/doc/DTVVWWXpLRVl6cER2
  https://ab32vg1-example.readthedocs.io/zh/latest/introduction.html
  sdadc, Sigma-Delta ADC是一种目前使用最为普遍的高精度ADC结构，在精度达到20位以上的场合
  http://www.elecfans.com/d/1294184.html
  https://github.com/BLUETRUM
  https://gitee.com/bluetrum
  RT Thread Studio快速配置AB32进行音频输出
  https://blog.csdn.net/qq_45396672/article/details/117525626

• stm32h743, NUCLEO-H743, sai, inmp441
  h743_inmp441_v2_stm32h743_sai_overclock.rar
  h743_inmp441_v1_stm32h743_sai_no_overclock.rar

Books

• 嵌入式软件调试技术
  4.8 实例：音频采集与回放程序的调试
  OSS (Open Sound System) and ALSA
  SndKit
  https://github.com/weimingtom/embedded_linux_debugging_book_code/blob/master/source/chapter4/sndkit/SndKit.c
  https://gitee.com/weimingtom2000/embedded_linux_debugging_book_code/blob/master/source/chapter4/sndkit/SndKit.c

• GNU/Linux嵌入式快速编程
  第15章 声音设备——SND
  https://github.com/giometti/gnu_linux_rapid_embedded_programming/tree/master/chapter_15
  Chapter 15 - Sound devices - SND
  search baidupan, GNU Linux Rapid Embedded Programming, Page 552.

• 基于ARM Cortex-M4的DSP系统开发
  baidupan

• 快速傅里叶变换_算法与应用
  baidupan

Ref

• voice_wakeup, sndkit, dmic-test
  https://github.com/lishaman/minispeaker/blob/master/kernel-3.0.8/tools/voice_wakeup/test_app/sndkit.c
  https://github.com/gylzbk/x1000_kernel_v1.7/tree/master/tools/voice_wakeup
  https://github.com/EliasKotlyar/Xiaomi-Dafang-Software/blob/master/kernel/tools/dmic-test/dmic-test.c
  https://www.cnblogs.com/mengfanrong/p/4224783.html
  https://github.com/hx1056211238/ingenic-linux-kernel3.10.14-x1000-v6.0-20170428/blob/master/tools/dmic-test/dmic-test.c
  https://github.com/Winddoing/CodeWheel/tree/master/embedded/drivertest/dmic-test
  https://github.com/panddio/learn/blob/master/work/test/sndkit/sndkit.c

• opensound.com, sndkit
  https://github.com/EliasKotlyar/Xiaomi-Dafang-Software/tree/master/oss/tutorials/sndkit
  http://www.opensound.com

• 在CB5654上实现语音交互
  https://occ.t-head.cn/doc/docs/Chapter9-E5BC80E58F91E69DBF/CB5654E5BC80E58F91E69DBF/E5AE9EE78EB0E59CA8E7BABFE99FB3E4B990E692ADE694BEE599A8.html

• SC5654板级适配指南
  https://developer.aliyun.com/article/770173

• 智能语音终端开发板介绍 | 《无需从0开发 1天上手智能语音离在线方案》第二章
  https://developer.aliyun.com/article/772451

TODO

• raspberry pi zero
  (TODO) buildroot recorder
  (TODO) https://github.com/weimingtom/buildroot_rpi0_hello

• stm32h743vi
  test_ac6_stm32h743vi_v2_dma_bug.rar
  https://community.st.com/s/article/FAQ-DMA-is-not-working-on-STM32H7-devices

• stm32f411re
  test_ac5_stm32f411re_vv15_benchmark.rar
  mlkws_stm32f411re_v8_first_success.rar
  simple_test_v3_stm32f411ce_run_success.rar

• xr872
  https://gitee.com/tutuwin/xr872_-audio/blob/master/audio_record.c
  https://xradiotech-developer-guide.readthedocs.io/zh/latest/zh_CN/software-guide/#_4

• PC, X86 Linux, Debian, RPD2017
  Blink_esp32_rpd2017_v2_success.tar.gz

• PC, Windows, VS2013
  micro_speech_vv14_success.rar

• Android
  (TODO, not yet published) https://gitee.com/weimingtom/xunfei
  weimingtom-xunfei-master.zip
  https://github.com/xiayouli0122/SoundRecorder

• VS1053, XFS5152CE, VS1003, WM8960
  https://github.com/weimingtom/wmt_speech_study

• Linkit 7688 (MT7688), mips (not arm) linux
  (dead) https://docs.labs.mediatek.com/resource/linkit-smart-7688/zh_cn/tutorials/audio-playback-and-recording

• BPI-D1 (Lamobo D1), arm linux
  https://github.com/Lamobo/Lamobo-D1/blob/master/src/samples/record_audio/AkAudioRecorder.c

• ReSpeaker 2 Mics Pi HAT
  https://wiki.seeedstudio.com/ReSpeaker_2_Mics_Pi_HAT_Raspberry/
  https://wiki.seeedstudio.com/cn/ReSpeaker_2_Mics_Pi_HAT/

• 新唐M480系列, M487JIDAE, NuMaker-PFM-M487开发板
  https://github.com/OpenNuvoton/M480BSP/blob/master/SampleCode/StdDriver/SPII2S_PDMA_PlayRecord/main.c
  http://www.nuvoton.com.cn/board/numaker-pfm-m487km/
  https://www.nuvoton.com.cn/export/resource-files/UM_NuMaker-M487KM_User_Manual_EN_Rev1.00.pdf

• EasyARM-RT1052, 致远ZLG
  EasyARM-RT1052-sjsc.rar
  深入浅出Cortex-M7-i.MX RT1050 V1.01 .pdf

• MIMXRT1064-EVK
  https://github.com/KeilChris/TensorFlow_MIMXRT1064-EVK_Microspeech/blob/master/mono_mic.c

• FRDM-K66F
  SDK_2_9_0_FRDM-K66F.zip
  sai_edma_record_playback.zip
  frdm-k66f sai
  https://mcuxpresso.nxp.com/api_doc/dev/2163/a00247.html

• 芯灵思全志SIN-V3S, arm linux
  SIN-V3s_Linux & QT用户手册_v2.0.pdf

• 野火vs1053, stm32f103
  野火-VS1053用户手册.pdf
  http://doc.embedfire.com/products/link/zh/latest/module/audio/mp3_vs1053.html

• 正点原子vs1053, stm32f103
  ATK-VS1053 MP3模块用户手册_V1.0.pdf
  http://www.openedv.com/docs/modules/other/VS1053.html

• Recording Stereo Audio on a Raspberry Pi, inmp441
  https://makersportal.com/blog/recording-stereo-audio-on-a-raspberry-pi
  https://github.com/makerportal/rpi_i2s
  https://github.com/adafruit/Raspberry-Pi-Installer-Scripts/blob/main/i2smic.py
  https://github.com/adafruit/Raspberry-Pi-Installer-Scripts/blob/main/i2s_mic_module/snd-i2smic-rpi.c
  https://learn.adafruit.com/adafruit-i2s-mems-microphone-breakout/raspberry-pi-wiring-test
  https://github.com/opencardev/snd-i2s_rpi

• i.mx 280, gst-fsl, libfslparser, libfslcodec, gstreamer, Linux media framework
  L2.6.35_1.1.0_130130_MM_CODECS_BUNDLE.tar.gz
  https://github.com/chenbd/gst-fsl-plugins
  i.MX28 Linux Multimedia Codecs
  https://www.nxp.com/products/processors-and-microcontrollers/arm-processors/i-mx-applications-processors/i-mx28-processors/multimedia-applications-processors-low-power-high-performance-arm9-core:i.MX280

• MangoPi-R3 （芒果派R3）, allwinner（全志） f1c200s, tinycap, tinyalsa
  https://wiki.dfrobot.com.cn/_SKU_DFR0780_MangoPi-R3#target_17
  https://github.com/tinyalsa/tinyalsa
  https://github.com/aodzip/buildroot-tiny200/blob/master/package/tinyalsa/Config.in
  https://github.com/mangopi-sbc/buildroot-mangopi-r/tree/master/package/tinyalsa

• Arduino Pro Mini, MAX9814
  SpyBug.ino
  Make Your Own Spy Bug (Arduino Voice Recorder)
  https://www.instructables.com/id/Make-Your-Own-Spy-Bug-Arduino-Voice-Recorder/
  https://github.com/TMRh20/TMRpcm
  Arduino+MAX9814制作简易录音机
  https://www.jianshu.com/p/2b031a7fd2e6

• Fermion MEMS Microphone Sensor
  放大器增益为66，当没有检测到声音时，输出电压在0.66*VCC浮动
  https://wiki.dfrobot.com.cn/_SKU_SEN0487_Fermion_MEMS_Microphone_Sensor

• nrf52, i2s
  https://github.com/gregtomasch/nRF52_24-bit-_I2S_Microphone_Audio_Recording_Utility

• haas100
  https://github.com/alibaba/AliOS-Things/tree/master/solutions/audio_demo
  似乎有脚可以直接接驻极体麦克风，无需额外的音频芯片

• stm32l496, alios-things developerkit, i2s
  https://github.com/alibaba/AliOS-Things/blob/rel_3.0.0/board/developerkit/audio_hal/audio.c

• 全志r329
  https://r329.docs.allwinnertech.com/devboardstudy/r329evb5studyarecord/

• DOPI Hi3516EV200开发板
  http://doc.dopi.vip/docs/first/first-1c79th4b95m28

• wm8960, stm32f103zet6, i2s
  https://www.waveshare.net/wiki/WM8960_Audio_Board

• nuc98
  https://github.com/OpenNuvoton/NUC980_Linux_Applications/blob/master/demos/alsa_audio/demo.c

• nuc97
  https://github.com/OpenNuvoton/NUC970_Linux_Applications/blob/master/demos/alsa_audio/demo.c

• ??? omega i2s
  https://onion.io/2bt-omega-i2s-audio/
  转，omega接i2s扬声器，居然可以在gain和vcc之间接一个电阻。。。
  （作者的解释是用于降低放大器增益（灵敏度？），提高音质）

• widora mt7688 录音
  (dead) https://widora.io/audio https://mangopi.org/audio

root@Widora:/# arecord -f cd /tmp/rec.wav
root@Widora:/# aplay /tmp/rec.wav
root@Widora:/# madplay /tmp/test.mp3
root@Widora:/# alsamixer
root@Widora:/# amixer set Headphone 85%
root@Widora:/# amixer set 3D on
root@Widora:/# amixer set 3D 95%

• art-pi媒体扩展板, stm32h750, WM8988
  https://art-pi.gitee.io/website/docs/#/tutorial/README
  Art-Pi学习笔记9：如何使用art-pi的多媒体扩展板播放TF卡中的音乐文件
  https://club.rt-thread.org/ask/article/2849.html
  Art-Pi学习笔记10：优化多媒体扩展板的音频驱动添加录音功能
  https://club.rt-thread.org/ask/article/2872.html
  ART-Pi开发板, 媒体扩展板原理图
  https://gitee.com/RT-Thread-Studio-Mirror/sdk-bsp-stm32h750-realthread-artpi/blob/master/documents/board/ART-Pi_HW_V1.5/ART-Pi_SCH_V1.5_Release.pdf
  https://gitee.com/RT-Thread-Studio-Mirror/sdk-bsp-stm32h750-realthread-artpi/blob/master/documents/board/MEDIA-IO/SCH_MEDIA-IO_V1.2.pdf
  https://www.pianshen.com/article/18472048211/

• micro:bit v2 record
  https://github.com/we-eff/RecordSavePlayAudioData

• bk7252, bk7251
  https://github.com/bekencorp/bdk_rtt/blob/release/v3.0/docs/BK7251_Quick_Start_v1.0.pdf

• python-sounddevice
  https://github.com/spatialaudio/python-sounddevice

• VAD, beken, RT-Thread BK7252 麻雀一号
  RT-Thread BK7252 麻雀一号开发板使用文档, 15 录音与播放录音使用例程, /test/mic_record.c
  search baidupan, 麻雀1号资料包_20210609.zip
  see bk7221u_release\beken378\func\vad
  https://github.com/bekencorp/bk7251_rtt_audio_sdk/blob/master/beken378/func/vad/wb_vad.c

• IDO-SBC2D06
  Sigmastar/SSD201, 茄子nano
  http://doc.industio.com/docs/ido-sbc2d06/ido-sbc2d06-1cttultfpk26q
  sdk.tar.bz2
  DMIC
  http://doc.industio.com/docs/ssd201-sbc2d07/ssd201-sbc2d07-1cmdam5763k74
  AMIC
  http://doc.industio.com/docs/ssd201-sbc2d07/ssd201-sbc2d07-1cmdamnrkgk2p
  audio_all_test_case

• P3510-2MIC, Pawpaw 木瓜电子
  https://docs.pawpaw.ltd/download/tool_and_app_download/
  https://docs.pawpaw.ltd/notes/

• cb5654, and etc...
  https://gitee.com/cb5654_sdk
  https://gitee.com/w800_sdk
  https://gitee.com/w800_sdk/offline_audio_w800_rgb
  https://gitee.com/tg6101_sdk
  https://gitee.com/cb5631_sdk
  https://gitee.com/cb5654_asus_sdk

• 香蕉派, EAI80
  https://github.com/BPI-SINOVOIP/BPI-EAI80-bsp

• wm8731
  https://github.com/hughpyle/teensy-i2s
  官网介绍, 带耳机驱动器的编解码器
  https://www.cn.cirrus.com/products/wm8731/
  TLV320AIC23/WM8731音频模块/8731音频/WIFI语音/声卡
  https://item.taobao.com/item.htm?id=580141927800

• art-pi
  https://club.rt-thread.org/ask/search.html?keyword=art-pi

• Porting ARM's DSP examples to Maxim's M4-series LP microcontrollers
  https://github.com/MaximIntegratedTechSupport/ARM-DSP

• rda5981, 在RDA上使用mbed编译运行KWS
  https://www.pianshen.com/article/3924524102/

• 香蕉派D1, Lamobo-D1, 录音例子
  https://github.com/Lamobo/Lamobo-D1/blob/master/src/samples/record_audio/main.c
  https://github.com/Lamobo/Lamobo-D1/blob/master/src/samples/record_audio/AkAudioRecorder.c

• V3s录音 交叉编译alsa linux
  https://blog.csdn.net/weixin_30301183/article/details/98466667

• A USB Microphone built with an INMP441 and an STM32
  https://github.com/andysworkshop/usb-microphone/blob/master/Core/Src/main.c
  https://andybrown.me.uk/2021/03/13/usb-microphone/

• 易百纳技术论坛，全志平台
  http://bbs.ebaina.com/forum-137-1.html

• (TODO) STM32F37x38x SDADC （Sigma-Delta ADC）入门.pdf
  https://download.csdn.net/download/longonly120/11441172?utm_source=iteye_new
  Sigma-Delta ADC是一种目前使用最为普遍的高精度ADC结构，在精度达到20位以上的场合
  http://www.elecfans.com/d/1294184.html
  STM32F37x的SDADC使用流程（一）
  https://blog.csdn.net/wangjin5250/article/details/95068065

• ab5325b
  http://www.bluetrum.com/product/ab5325b.html
  sdadc
  https://github.com/ZhiqingLi/Sdk_Refresh/blob/master/AB53XX_SDK/app/platform/libs/api_sdadc.h
  https://gitee.com/xiang_gang/Sdk_Refresh/blob/master/AB53XX_SDK/app/platform/libs/api_sdadc.h
  ab5325b
  https://github.com/nameiscn/GUI_V550/tree/c7e54a7fd9189522ac6fe8d9fefb62a283ce442a/B宝星DL-102/firmware/APP_AB5325A/platform/libs
  http://www.bluetrum.com/product/list-2.html
  ab32vg1
  https://ab32vg1-example.readthedocs.io/zh/latest/introduction.html
  https://club.rt-thread.org/ask/article/2643.html
  https://club.rt-thread.org/ask/article/2599.html
  中科蓝讯AB32VG1开发实践指南在线文档
  https://docs.qq.com/doc/DTVVWWXpLRVl6cER2

• 无涯mt7688 录音
  https://www.hi-wooya.com/resource-view-37.html
  http://down.hi-wooya.com/开发套件/06th_WKA-M76S/01_UserManual（用户手册）/

• 茄子派, 文档基于TOKOYAKI_DLC00V30版本SDK和IDO-SBC2D06-V1B开发板。
  http://doc.industio.com/docs/ido-sbc2d06/ido-sbc2d06-1ctuu864a7h1r
  第二十章 音频的配置
  http://doc.industio.com/docs/ssd20x-system/page_20

• TTGO ESP32 0.96 OLED音乐频谱分析仪套件
  (dead) https://github.com/LilyGO/Music-Spectrum-Analyzer
  https://github.com/G6EJD/ESP32-8-Octave-Audio-Spectrum-Display
  https://github.com/kosme/arduinoFFT
  KY-038 麦克风放大器模块
  MAX9812
  (see taobao) KY-037
  https://github.com/tobozo/ESP32-Audio-Spectrum-Waveform-Display/tree/wrover-kit
  https://gitee.com/weimingtom2000/ESP32-Muziek-Spectrum-Analyzer-Kit

• apollo-DuerOS
  https://gitee.com/weimingtom2000/apollo-DuerOS
  https://github.com/ApolloAuto/apollo-DuerOS

• 关于I2S及音频小结
  https://blog.csdn.net/baiyibin0530/article/details/78728741

• 友善之臂, Matrix外设库 (基于Linux API), 声音外设
  https://github.com/friendlyarm/matrix
  实际上nanopi也有一个关于声音传感器（Matrix - Sound Sensor）的驱动程序，称为Matrix库，
  这个Matrix库（又称为libfahw）类似wiringnp，但实现不同，属于Linux层面的封装，
  例如GPIO是通过Linux文件系统和gpio驱动程序来控制电平，有兴趣可以研究一下这个库：
  friendlyarm/matrix
  http://wiki.friendlyarm.com/wiki/images/e/eb/Matrix_API_Reference_Manual.pdf
  http://wiki.friendlyarm.com/wiki/index.php/Matrix_-_2%278_SPI_TFT#Download_Matrix_Source_Code
  https://wiki.friendlyarm.com/wiki/index.php/Matrix_-_Sound_Sensor

• 基于EAIDK-310的传感器调试案例介绍（二）
  https://aijishu.com/a/1060000000083903
  EAIDK-310
  http://www.eaidk.com/download.php?class_id=109#txt2
  sesarch baidupan, Demo.zip

• pmodi2s
  https://reference.digilentinc.com/pmod/pmodi2s2/reference-manual?redirect=1
  https://electronics.stackexchange.com/questions/525459/problems-interfacing-pmodi2s2-with-stm32h7

• sai
  https://www.stmicroelectronics.com.cn/content/ccc/resource/training/technical/product_training/group0/11/91/8f/47/7b/0e/42/ca/STM32WB-Peripheral-Serial-Audio-Interface-SAI/files/STM32WB-Peripheral-Serial-Audio-Interface-SAI.pdf/_jcr_content/translations/en.STM32WB-Peripheral-Serial-Audio-Interface-SAI.pdf
  https://www.cnblogs.com/armfly/p/11168383.html
  https://github.com/keshikan/STM32H7_DMA_sample/blob/master/Src/main.c

• HPM6750, with WM8960
  ebf_hpm6750_code_20230331.zip\audio_codec\src\WM8960.c
  https://doc.embedfire.com/products/link/zh/latest/mcu/hpmicro/ebf_hpm6750.html
  https://doc.embedfire.com/risc-v/hpm6750/quick_start/zh/latest/doc/chapter2/chapter2.html

• FR8016HA
  我把FR8016HA开发板的声音播放跑通了，（1）烧录程序：不能用gitee最新版，
  要用旧资料的代码（会导致屏幕花屏，但功能正常）（2）需要用特定的安卓手机
  才能正常蓝牙传输wav文件，我用的是红米4A，安卓6，安卓是gitee上的SBC最新版
  （3）我接的喇叭是8Ω0.5W圆形喇叭（8R），带公头杜邦线（需面包板），
  原版没有，需要自备（4）按K1数次，然后按K2播放
  dev_v1_use_white_hongmi_write_wav_success.rar

• ThatProject, ESP32_MICROPHONE
  https://github.com/0015/ThatProject/tree/master/ESP32_MICROPHONE

• Speaking Numbers with a Microcontroller
  https://github.com/swharden/NumberSpeaker
  https://swharden.com/blog/2023-08-19-speaking-microcontroller/
  https://blog.arduino.cc/2023/08/24/arduino-speaks-without-any-special-hardware/

other

• https://github.com/CelliesProjects/ESP32_VS1053_Stream