Beidou Digital Audio DSP

Features

• Built-in dual channel USB sound card can be used for audio recording, audio broadcasting, and video conference.;

• Bus type AEC, tail time: 512ms, convergence rate: 60dB/S, echo cancellation amplitude: 60dB;
Independent channel AFC (feedback suppression), using notch algorithm, with an increase in sound transmission gain of 10dB;
Noise Suppression (ANS), signal-to-noise ratio improved by 18dB;

• Provides 8 GPIOs, each can be independently configured as input or output, and can be used as independent ADC when configured as input.；

• Provide customized operation interfaces for end users, supporting up to 30 devices to be managed on the same interface;