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High-performance, Far-field Voice Input Processor System-on-Chip (SoC)
Applications
• Voice-controlled Smart TV/STB
• Smart Bluetooth/WiFi speaker
• Voice interactive smart appliance
• Internet of Things (IOT) devices
• Automotive hands-free control/communication
Features
• Low-power WoV mode with an embedded third-party voice wake-up engine
• Enables high-performance Automatic Speech Recognition (ASR) and excellent voice clarity with only two microphones through Conexant's AudioSmart voice input processing software, which includes:
– SSP noise suppression
– Full-duplex stereo AEC
• Compatible 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 (micbias) supply—enables low microphone gain for far field signals without saturating for loud near field signals
• Powerful, dual-core 32-bit DSP
• I2S serial data interfaces
• I2C serial control interface
• Serial Peripheral Interface (SPI) for low-cost flash support
CX20921 (Nebula) Data Sheet_001-20921DSR04.pdf
(1.09 MB, 下载次数: 12)
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