The WT1188 is an audio processing chip independently developed by Nanjing Indigo Microelectronics. The WT1188 chip is suitable for application scenarios such as audio noise suppression, automatic gain control, and echo cancellation. Users can configure it via a serial port.

■ Configurable via Serial Port

■ Interface Formats:

      ▪ UART: 8N1, 9600bps

      ▪ McBSP: 8kHz/16kHz sampling, 16-bit quantization

■ Operating Voltage: Digital 3.3V, Analog 3.3V

■ QFN40L Package: 5.00mm × 5.00mm × 0.75mm

■ Function List:

      ▪ Noise Suppression

      ▪ Automatic Gain Control

      ▪ Echo Cancellation

Application Scenarios: PSTN, Hands-free Calling