I2S VAD Parameter register
PARAM_NOISE_STD_FS_THSL | Feature_sum threshold to determine noise_std max value when vad_tag=1, equal to ((noise_std_max)>>11)^2*5 |
PARAM_NOISE_STD_FS_THSH | Feature_sum threshold to determine noise_std max value when vad_tag=0, equal to ((noise_std_max)>>11)^2*5 |