Creating audio pipeline for raw PCM audio output of AFE algorithm to I2S0 and stream it as PDM.
Posted: Tue Dec 06, 2022 11:24 pm
I am using voip example linked here: https://github.com/espressif/esp-adf/bl ... /README.md
I want to create an audio pipeline where I take the output of the AFE Algorithm (16bit PCM) and via I2S0 stream it as PDM.
[codec_chip] ---> i2s_stream ---> filter ---> algorithm ---> i2s_stream (PCM to PDM I2S0) ---> [External MCU]
I want this pipeline to be always active.
I need help coding this using voip example linked above.
I want to create an audio pipeline where I take the output of the AFE Algorithm (16bit PCM) and via I2S0 stream it as PDM.
[codec_chip] ---> i2s_stream ---> filter ---> algorithm ---> i2s_stream (PCM to PDM I2S0) ---> [External MCU]
I want this pipeline to be always active.
I need help coding this using voip example linked above.