598-2471-KIT

598-2471-KIT Datasheet

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598-2471-KIT	598-2471-KIT (pdf)

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CRD1569-1 Voice Capture Development Kit for Amazon AVS-Enabled Products Complete Development Kit Cirrus Logic CS47L24 Digital Interface DSP • Enhances quality of voice interaction • Device includes: • Minimizes customer need for voice control expertise • Full product development lifecycle, reducing cost, risk and time-to-market: Allows in-depth evaluation of AVS Simple prototyping Demonstration of solutions Voice Capture Board • Contains CS47L24 DSP and dual CS7250B MEMS microphones • On-board functions: Multi-microphone hands-free voice capture Spatial noise reduction Barge-in AEC Hi-Fidelity audio playback with EQ Sensory ’s TrulyHandsfree wake word engine tuned to “Alexa” • Input: External two-microphone array interface optional • Outputs: Digital stereo Line out stereo Speaker mono • Mounts directly on Raspberry Pi 3 for compact solution, or optionally connects using supplied ribbon cable Dual-core low-power audio hub DSP ADSP2 Hi-Fi DACs 121 dB SNR Two-watt mono speaker amplifier, stereo headphone amplifier • Complete AVS front-end on-chip voice capture board includes, and customer solutions need to add only: Two digital MEMS microphones Power regulation Crystal oscillator Typical passive components • No additional LSI/ULSI required in kit or reference design Kit Contents • Voice capture board with CS47L24 DSP and two on-board CS7250B Bottom Port Compact MEMS microphones • Raspberry Pi 3 with power supply • Ribbon cable to connect voice capture board to Raspberry Pi 3 GPIO header optional • microSD card, with: operating system Cirrus Logic AVS drivers specialized, proprietary tuning and diagnostic tool • Compact passive speaker box 1 General Description The Cirrus Logic Voice Capture Development Kit for Amazon Alexa Voice Service AVS -enabled products is a complete solution designed to assist device manufacturers in easily enabling Alexa capability in a wide range of their electronic devices. The end-to-end reference design incorporates the entire audio front end system, from the microphone array to the Digital Signal Processor with proprietary audio processing algorithms, and is intended to interface with the AVS client application on the device system processor. The reference solution provides all the hardware and software required for product development. Advance Product Information This document contains information for a product under development. Cirrus Logic reserves the right to modify this product. Copyright Cirrus Logic, Inc. 2017 All Rights Reserved DS1189 JUL ‘17 A generalized block diagram is shown in Figure &RQQHFWLRQ 3RUWV %RDUG ,54 5 6 7 CRD1569-1 6RIWZDUH Figure Reference Solution Block Diagram

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CRD1569-1

Voice Capture Development Kit for Amazon AVS-Enabled Products

Complete Development Kit

Cirrus Logic CS47L24 Digital Interface DSP
• Enhances quality of voice interaction
• Device includes:
• Minimizes customer need for voice control expertise
• Full product development lifecycle, reducing cost, risk and time-to-market:

Allows in-depth evaluation of AVS Simple prototyping Demonstration of solutions

Voice Capture Board
• Contains CS47L24 DSP and dual CS7250B MEMS microphones
• On-board functions:

Multi-microphone hands-free voice capture Spatial noise reduction Barge-in AEC Hi-Fidelity audio playback with EQ Sensory ’s TrulyHandsfree wake word engine
tuned to “Alexa”
• Input:

External two-microphone array interface optional
• Outputs:

Digital stereo Line out stereo Speaker mono
• Mounts directly on Raspberry Pi 3 for compact solution, or optionally connects using supplied ribbon cable

Dual-core low-power audio hub DSP ADSP2 Hi-Fi DACs 121 dB SNR Two-watt mono speaker amplifier, stereo headphone
amplifier
• Complete AVS front-end on-chip voice capture board
includes, and customer solutions need to add only:

Two digital MEMS microphones Power regulation Crystal oscillator Typical passive components
• No additional LSI/ULSI required in kit or reference design

Kit Contents
• Voice capture board with CS47L24 DSP and two on-board CS7250B Bottom Port Compact MEMS microphones
• Raspberry Pi 3 with power supply
• Ribbon cable to connect voice capture board to Raspberry Pi 3 GPIO header optional
• microSD card, with:
operating system Cirrus Logic AVS drivers specialized, proprietary tuning and diagnostic tool
• Compact passive speaker box
1 General Description

The Cirrus Logic Voice Capture Development Kit for Amazon Alexa Voice Service AVS -enabled products is a complete solution designed to assist device manufacturers in easily enabling Alexa capability in a wide range of their electronic devices. The end-to-end reference design incorporates the entire audio front end system, from the microphone array to the Digital Signal Processor with proprietary audio processing algorithms, and is intended to interface with the AVS client application on the device system processor.

The reference solution provides all the hardware and software required for product development.

Advance Product Information

This document contains information for a product under development. Cirrus Logic reserves the right to modify this product.

Copyright Cirrus Logic, Inc. 2017 All Rights Reserved

DS1189 JUL ‘17

A generalized block diagram is shown in Figure
&RQQHFWLRQ
3RUWV
%RDUG
,54 5 6 7

CRD1569-1
6RIWZDUH

Figure Reference Solution Block Diagram

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Datasheet ID: 598-2471-KIT 523127