Search found 81 matches

by jason.mao
Wed Feb 20, 2019 11:42 am
Forum: ESP-ADF
Topic: Issues with voice activity detection
Replies: 3
Views: 2645

Re: Issues with voice activity detection

Hi mgsscorr1

The VAD algorithm is detect the amplitude of voice relative to noise , if the noise is drastic change, it can be trigger the VAD, e.g. Tap on a table.
by jason.mao
Fri Feb 01, 2019 2:57 am
Forum: ESP-ADF
Topic: FLAC decoder not working ...
Replies: 2
Views: 2530

Re: FLAC decoder not working ...

Hi starn02

Did you test FLAC file placed on SDCARD?

Thanks.
by jason.mao
Fri Feb 01, 2019 2:45 am
Forum: ESP-ADF
Topic: Play MP3 files in FreeRTOS tasks
Replies: 2
Views: 3236

Re: Play MP3 files in FreeRTOS tasks

Hi vgonet 1. If I run the example in my main() function, the mp3 is played correctly but at the end of the music, the following code is not executed. I have found any problems on your logs. Could you give more messages? 2. If I run inside a task, I've the following error and the mp3 is not played. I...
by jason.mao
Fri Feb 01, 2019 2:33 am
Forum: Hardware
Topic: PWM with ESP32-Lyrat
Replies: 3
Views: 2191

Re: PWM with ESP32-Lyrat

Hi

There are two pins(IO12 and IO 13) can be free use, firstly SDCARD set 1 line mode, then set the switch(J18) pin4 and pin5 ON, `JT_IO13_MTCK` and `JT_IO12_MTDI` can be used by J19. Hope to help you.

Thanks.
by jason.mao
Fri Feb 01, 2019 2:17 am
Forum: ESP-ADF
Topic: ESP32-Lyrat framework
Replies: 1
Views: 1681

Re: ESP32-Lyrat framework

Hi

I think you need to https://github.com/espressif/esp-adf-libs, `esp-adf-libs/esp_audio/include/esp_audio.h` is a simple player.

Thanks.
by jason.mao
Tue Nov 27, 2018 7:19 am
Forum: ESP-ADF
Topic: AMR record and playback loop error
Replies: 1
Views: 1715

Re: AMR record and playback loop error

Hi Steve

Could you attach your recording AMR file to here?

Thanks.
by jason.mao
Thu Nov 22, 2018 9:42 am
Forum: ESP-ADF
Topic: ESP32-ADF LyraT board运行dueros例程:出现错误 RSP_FILTER: Allocate memory failed,line:57,然后直接进入gdb调试,程序崩溃!
Replies: 6
Views: 7894

Re: ESP32-ADF LyraT board运行dueros例程:出现错误 RSP_FILTER: Allocate memory failed,line:57,然后直接进入gdb调试,程序崩溃!

刚修复了一个解码库的问题,对这个问题有帮助.
把components/ esp-adf-libs拉到最新的master 分支,具体commit ID:d9fbd0d2e07b074e396a8eda2ec65641bbdb2f36.
by jason.mao
Mon Nov 19, 2018 7:39 am
Forum: ESP-IDF
Topic: Noisy I2S in only one direction
Replies: 4
Views: 2923

Re: Noisy I2S in only one direction

Hi viduata

I think you should set the ".use_apll = true". Audio PLL is suitable all the sample rate.
by jason.mao
Mon Nov 19, 2018 2:25 am
Forum: ESP-IDF
Topic: Noisy I2S in only one direction
Replies: 4
Views: 2923

Re: Noisy I2S in only one direction

Hi viduata Cloud you test with follow configuration? Change ESP32 I2S mode is master, and increase length of `dma_buf_len`. i2s_config_t i2s_config = { .mode = I2S_MODE_MASTER | I2S_MODE_RX | I2S_MODE_TX, .sample_rate = rate, .bits_per_sample = bits, .use_apll = false, .intr_alloc_flags = ESP_INTR_F...

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