Smart Speakers

Cirrus Logic offers a comprehensive sound enhancement solution for portable speakers ranging from mono/ voice only applications to premium stereo entertainment systems. Cirrus Logic’s SoundClear® technology for portable, wireless applications has the power, range and intelligent adaption to enable clear and natural voice command under all these conditions.

Smart Speakers
Two-Mic AVS Development Kit

Highlighted components are offered by Cirrus Logic.


System Features



Instant Adapt NREC


Noise reduction and echo cancellation regardless of the surrounding environment.



HD Voice Support


Wideband and narrow-band support for voice processing.



FlexEQ Dynamic Equalization


Automatically adjust frequency response and gains to changing ambient conditions for an outstanding user experience.



Barge In Capabilities


Hands-free control even when your device is playing multi-channel audio.



Audio Post Processing


Cirrus Logic offers a wide range of post processing including in-house and from some of the biggest software brands in the world.



Hi-Fi Playback


Using multi-path headset amplifier technology, our smart codecs can deliver high quality audio for any application.



Compatible Products

Recommended

Audio Amplifiers

  • CS35L45

    Class D Audio Amplifier + Class H Boosted 15 V Converter with Integrated DSP Enables Maximum Loudness, Higher Bass

Smart Codecs

  • 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 Echo Cancellation

    SoundClear compatible

Request to Buy Dev Kit

Cirrus Logic CRD1569-1 Voice Capture Development Kit for Amazon AVS.
DigiKey (Part #598-2471-KIT-ND) »


Highlighted components are offered by Cirrus Logic.


System Features



Two-Mic Voice Capture Reference Board


Features the Cirrus Logic CS47L24 dual core, low power smart codec and two CS7250B digital MEMS microphones, plus SoundClear® algorithms for voice capture, noise suppression, and echo cancellation.



Raspberry Pi 3 Board


Runs Cirrus Logic Control Console with AVS client, Sensory’s TrulyHandsfree™ wake word engine tuned to “Alexa”, SoundClear® tuning and diagnostics. Provides LAN, WLAN and hotspot connectivity for headless operation.



Control Console


Intuitive GUI replaces the need for Raspbian line commands saving hours of setup and start up time. Enables both headless (no display, keyboard or mouse), Wi-Fi and hotspot operation to emulate real product connectivity. Enables remote control, diagnostics and tuning through any internet browser.



Travel Case and Demo/Eval Platform


Durable case with custom anti-static foam inserts to hold and protect all kit components while traveling or in storage. Lid folds flat for use as eval/demo platform holding all components in place and avoiding speaker vibration.



International Power Supply


Full 2.5A @5V to power entire system plus RPi3 peripherals including international travel adapter set. Alternatively, 5V rechargeable battery supply (not included) can be used to emulate battery powered products.



8GB SD Card


High performance Micro SD Card preloaded with OS and all required firmware.



Compact, Passive Speaker Box


Enables full kit functionality without additional components. Simulates the audio experience of AVS enabled products with small integrated speakers. Can be replaced by actual transducer selected for product. Alternatively, just plug any amplified speaker into voice capture boards stereo jack.



Ribbon Cable


Allows voice capture and RPi3 boards to be separated instead of stacked when required to fit in true form factor prototype and demonstration platforms.



Compatible Products

Recommended

Smart Codecs

  • CS47L24

    Ultra Compact, Low Power Smart Codec with Dual Core DSP

    SoundClear compatible

Documents and Licensing

Technical Documentation

Licensing and Support


Related Videos

Play

Technology 8:37

Voice Capture Development Kit for AVS – Getting Started

Get started quickly with the CRD1569 voice capture rapid development platform for AVS products.

Play

Technology 4:20

Introducing Voice Capture Development Kit for Amazon AVS

Two-mic rapid development platform for products enabled with Alexa Voice Service (AVS).

Play

Technology 3:06

Voice Capture Development Kit for AVS – Tuning Guide

A quick tuning guide for the CRD1569 voice capture rapid development platform for AVS products.

Contact sales and support