CX20921 Description
The CX20921 is a high-performance, far field voice input processor System-on-Chip (SoC). The CX20921 is the first product in this category with an integrated voice trigger function that supports a low system power Wakeon-Voice (WoV) function. The device includes 24-bit microphone Analog-to-Digital Converters (ADCs), a powerful dual core 32-bit hardware Digital Signal Processor (DSP), and integrated power management.
CX20921 Key Features
- Low-power WoV mode with an embedded third-party speech recognition engine
- Enables high-performance Automatic Speech Recognition (ASR) and excellent voice clarity with only two microphones throug
- SSP noise suppression
- Full-duplex AEC
- patible with multiple leading embedded and server-based speech recognition vendors
- Dual far field, 24-bit, 106dB dynamic range ADCs with microphone pre-amplification and independent Microphone Bias (micb
- Powerful, dual-core 32-bit DSP
- Multiple Integrated Interchip Sound (I2S) serial data
- Inter-Integrated Circuit (I2C) serial control interface
- Serial Peripheral Interface (SPI) for low-cost flash