CX20921-21Z Conexant Systems
產品概述
Far Field Voice Input Processor Soc
Product Description
The CX20921 is a high-performance Far Field Voice Input Processor SoC. It has an integrated voice trigger engine that also supports the low system power WoV function. It includes two 24-bit microphone ADCs, a programmable dual core 32-bit hardware DSP, and integrated power management.
The CX20921 is the ideal turnkey solution for adding far field voice control, voice search, and VoIP functionalities to Smart TV, STB, gaming consoles, and other smart appliances with its Conexant’s AudioSmart Far Field Voice Processing Algorithms.
It has programmable pre-amplifiers, where each is paired with a dedicated bias supply to eliminate crosstalk. The entire input path guarantees a 106dB dynamic range that achieves a high speech-to-noise ratio with low boost, which enables a robust pick up of far field voices wile preventing saturation form louder near field signals.
**Features:**
. Speech recognition optimization for all leading ASR engines . SkypeTV certified with Watch Live and Talk® . Smart Source Pickup (SSP) noise rejection technology . Multi-channel AEC . Intergated wake-up and voice trigger engine . <70mW low power, WoV mode with buffering and keyword detection . Programmable 32-bit digital audio processor . Two 24-bit microphone ADCs with 106dB full path dynamic range
