CX20921 Datasheet PDF

Conexant CX20921

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.

Part No.	CX20921
Datasheet	CX20921 Download
Manufacturer	Conexant
Description	Far Field Voice Input Processor SoC
Buy	Stock & Price

GENERAL DESCRIPTION

Combined with Conexant’s AudioSmart™ far field voice input processing software suite, including Smart Source Pickup (SSP) noise suppression and full-duplex Acoustic Echo Cancellation (AEC), the CX20921 is the ideal turnkey solution for adding voice control, voice search, and Voice over Internet Protocol (VoIP)/speakerphone functionalities to SmartTV, Set-Top Box (STB), Smart appliances, and automotive hands-free control and communication systems. The CX20921 device supports a microphone array with up to two synchronized ADCs and programmable preamplifiers. Each pre-amplifier is paired with a dedicated bias supply to eliminate crosstalk. The entire input path guarantees 106dB dynamic range, which maximizes speech-to-noise ratio with low boost and prevents microphone saturation. Conexant's proprietary far field AudioSmart software takes advantage of the built-in hardware to deliver a superior voice interactive experience in the most challenging room environments. The...