2 Multi-Channel AEC (2-CH), EQ, FDNLP, SSP, DRC
MIC spacing is set to 55mm, SSP center is set to 0°;width is set to +/-90°
Processed output is sent over to the host over I2S_TX. It is also sent out of USB interface at
16-kHz, 16-bit.
DSP is tuned for SmartHome applications
Also contains Iflytek trigger. When triggered on the trigger word, it toggles GPIO 1