Smart Thermostats

Cirrus Logic's complete audio path solutions using SoundClear® technology enables a voice command interface to smart thermostats including low power, always-on voice processors with ASR Enhance.

Thermostats
EveryWordTM Far-Field AVS Development Kit

Highlighted components are offered by Cirrus Logic.

System Features


ASR Enhance

ASR Enhance


Automatic speech recognition (ASR) preprocessing for increased accuracy in noisy environments.


Always-On Voice

Always-On Voice


Reliable wake word recognition from one foot or from across the room.


Low Power

Low Power


Supports ultra-low power implementation of TrulyHandsfree technology from Sensory, Inc.


Noise Reduction and Echo Cancellation

Noise Reduction and Echo Cancellation


Multi-mic noise reduction and non-linear echo suppression algorithm support.



Compatible Products

Recommended

Voice Processor

  • CS48LV41F

    Multi-Mic, Far-Field Voice Processor Featuring Voice Control and Communications up to 6+ Meters

    SoundClear compatible

Smart Codec

  • CS47L15

    SmartHIFI Smart Codec With Advanced Audio Features for Mid-Tier Smartphones

    SoundClear compatible
  • CS47L24

    Ultra Compact, Low Power Smart Codec with Dual Core DSP

    SoundClear compatible
  • CS47L35

    Smart Codec with Low Power Audio DSP

    SoundClear compatible
  • CS47L90

    Low Power, Highly Integrated Audio Codec Featuring SmartHIFI for Mobile Playback

    SoundClear compatible
  • WM8281

    Low Power Smart Codec with Active Noise Cancellation and Echo Cancellation

    SoundClear compatible

Portable Codecs

  • CS42L51

    Low Power Stereo Codec with Headphone Amplifier

  • CS42L52

    Low Power Codec with Class D Speaker Driver

  • WM8962/62B

    Ultra Low Power Codecs for Portable Audio Applications

EveryWordTM Far-Field AVS Development Kit

Click here to purchase kit at Ark-X Labs


Highlighted components are offered by Cirrus Logic.

System Features


  • Increases accuracy and reliability of “Alexa” wake-word triggering and command recognition, at 6+ meters far-field distances and in noisy environments
  • Supports 6+ meters far-field operation with 2, 3, or 4 microphones
  • FlexArrayTM Technology supports arbitrary mic array geometries, including circular, square, triangular,linear or 3-D
  • AEC is scalable to mono, stereo, 3-channel, and 5-channel (surround movie or music) use cases
  • Includes local high accuracy large model Amazon voice trigger or Sensory voice trigger
  • Supports far-field voice call mode and in-call voice triggering
  • Suitable for wall-powered devices or portable battery-operated products with low mW consumption
  • 6 mics built-in, ready to be configured for testing circular, square, triangular, and line arrays in 4-mic, 3-mic or 2-mic designs
  • AVS compliant LED indicators and mic-mute button
  • Connectivity includes Wi-Fi 802.11, Bluetooth 4.1, stereo line out, USB device port, as well as a USB host port for connection to external USB soundcard
  • Also includes expansion bus for connecting GPIOs, ASPs, SPI, I2C, and PDM mics
  • Web-based firmware control console for simplified interactive operation, mic array selection, acoustic tuning and diagnostics

Kit Visual


Compatible Products

Recommended

Voice Processor

  • CS48LV41F

    Multi-Mic, Far-Field Voice Processor Featuring Voice Control and Communications up to 6+ Meters

    SoundClear compatible

Portable Codecs

  • WM8998

    24-Bit Hi-Fi Audio Hub with 3 A/D Converters, 7 D/A Converters and up to 6 analog or 3 digital microphone inputs

Audio Amplifiers

  • CS35L41

    11 V Boosted Mono Class D Amplifier with DSP Speaker Protection and Audio Enhancement


Documents

Technical Documentation

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