Knowles

SmartMic

IA611
The IA611 is a family of “wake-on-voice” SmartMics (microphones), featuring a 43MHz Tensilica audio-optimized DSP, and Knowles’ high-performance acoustic SiSonic MEMS technology in a single, miniature, microphone package.
SmartMic
AISonic SmartMics
The IA611 is a family of “wake-on-voice” SmartMics (microphones), featuring a 43MHz Tensilica audio-optimized DSP, and Knowles’ high-performance acoustic SiSonic MEMS technology in a single, miniature, microphone package. The integrated programmable DSP is made available to third-party algorithms, enabling full customization (IA611). The solution pushes the system performance to ultra-low power with its custom core design and optimized instruction set. It accelerates time-to-market with its complete hardware, software, firmware, code, and tools package.

Product Features
- High-accuracy, low-power voice wake and Voice ID keyword recognition to wake up any system from a trigger phrase
- Onboard buffer enables seamless voice wake operation
- Ultra-low power “always on” Acoustic Activity Detector (AAD)
- Beamforming for enhanced sound quality
- Acoustic Echo Cancellation (AEC) for voice recognition over music
- Open Developer Platform with SDK
- High Performance SiSonic MEMS with ±1 dB matched sensitivity, 65 dB SNR and 135 dB SPL Acoustic Overload Point
- Application Memory Size:  168KB
- IA610 available in bottom port SPH 3.50 x 2.65 x 0.98 mm package, and IA611 available in open DSP top port SPK 4 x 3 x 1.2 mm package



voice control module

Audio Intelligence at the Edge
Knowles is the leader in audio machine learning at the edge, redefining the audio experience in next generation devices.  Our low-power AISonic family of SmartMics are adaptable across any form factor and deliver better audio understanding across a wide range of devices. Processing at the edge, the SmartMic provides wake-on-voice capabilities with lower power consumption and privacy without compromising performance.


*Knowles Authorized Distributor
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