Smart Mics

Knowles AISonic™️ SmartMics

Our low-power Knowles AISonic™️ family of SmartMics are adaptable across form factors in Mobile, TWS and IoT, delivering better audio understanding across a wide range of devices with a small footprint. Processing at the edge, the SmartMic provides wake-on-voice capabilities with lower power consumption, and privacy without compromising performance.

Looking to voice-enable your applications with our Smart Microphones? Visit the myKnowles portal for resources, including solution kits, product briefs, discussion forums and more.

> Selection Guide

Knowles AISonic SmartMics

The IA61x family of “wake-on-voice” SmartMics (microphones), feature 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
  • 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

Product Brief

Knowles AISonic™ SmartMic Headset Development Kit for Amazon AVS

The first development kit qualified by Amazon for AVS for hands-free, voice-activated low-power headphones, headsets and earbuds for eliminating the need for push-to-activate.

The Knowles AISonic™ SmartMic Headset Development Kit for Amazon Alexa Voice Service (AVS) is the first development kit qualified by Amazon for AVS that enables OEMs and ODMs to build Bluetooth headphones, headsets and true wireless earbuds enable voice activation and eliminate the need for push-to-activate—allowing consumers to use their headsets to talk, hands-free, directly to Alexa supporting all Alexa capabilities. The development kit is fully compliant with Amazon’s Alexa Mobile Accessory (AMA) protocol for Bluetooth accessories and supports the industry’s lowest power and wake-on-voice capability for Alexa ear-worn devices.