Ok i did find out that my communication format was wrong and it should use "I2S_COMM_FORMAT_PCM". it makes sense because with I2S_COMM_FORMAT_STAND_I2S if i change the dma_buf_count to anything except 3 it wont work. i also configured my m66 through the at command to AT+QPCMON=1,0,8,0,0. also this i...

Hi everyone, I'm working on a project where I need to interface an ESP32 with an M66 module using I2S for audio playback. I've encountered a problem with audio quality – specifically, distortion – when the ESP32 is set in I2S slave mode using APLL(because quectel m66 can only operate in master mode)...

hey man, i have the same exact problem with quectel m66 pcm audio connecting it to esp32 i2s pripheral, had you any luck with this? im planning to use TI lm49370 pcm- i2s bridge, but i rather not! because it doesn't come by easily where i live and it adds to product's price. if you can help please l...