AudioSmart® DS20921

The DS20921 AudioSmart 2-Microphone Development Kit for Amazon AVS features Synaptics' CX20921 Voice Input Processor with embedded hands-free voice processing technology and preloaded Alexa™ wake word. The kit is designed to help manufacturers and developers quickly and easily build smart home device prototypes that offer an ideal voice user experience.

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AudioSmart Dev Kit
for Amazon AVS

Provides a complete audio front end including mics and robust far-field voice processing.

Host
Solution

Interface with the Amazon Alexa Voice Service quickly with the use of select host development platforms.

Amazon AVS
Prototype

Rapidly create voice-capable smart home prototypes that are Amazon AVS ready.

DS20921 Kit Content

  • CX20921 EVK
  • Stereo Microphones with Integrated Cable
  • Microphone Holder Board
  • Micro USB Cable
  • Type-A to Type-B Cable
  • Stereo 3.5mm Audio Cable
  • Cable Assembly
  • +5V Power Supply

Related Assets

ProductAsset TypeTitleDateView
Far-field Voice DSPsManualDS20921 User Guide - 2-mic AVSMar 4, 2019 pdf icon

Product: Far-field Voice DSPs
Asset Type: Manual
Title: DS20921 User Guide - 2-mic AVS
Date: Mar 4, 2019

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Far-field Voice DSPsManualDS20921 Quick Start Guide - 2-mic AVSJan 4, 2019 pdf icon

Product: Far-field Voice DSPs
Asset Type: Manual
Title: DS20921 Quick Start Guide - 2-mic AVS
Date: Jan 4, 2019

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Far-field Voice DSPsManualExternal Loudspeaker Guidelines - 2-mic AVSJan 4, 2019 pdf icon

Product: Far-field Voice DSPs
Asset Type: Manual
Title: External Loudspeaker Guidelines - 2-mic AVS
Date: Jan 4, 2019

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Far-field Voice DSPsProduct BriefDS20921 Product Brief - 2-mic AVSJan 4, 2019 pdf icon

Product: Far-field Voice DSPs
Asset Type: Product Brief
Title: DS20921 Product Brief - 2-mic AVS
Date: Jan 4, 2019

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Far-field Voice DSPsProduct BriefCX20921 – Two-Microphone Far-Field Voice Processor SoCJan 4, 2019 pdf icon

Product: Far-field Voice DSPs
Asset Type: Product Brief
Title: CX20921 – Two-Microphone Far-Field Voice Processor SoC
Date: Jan 4, 2019

Download pdf icon
Far-field Voice DSPsVideoDS20921 Setup Tutorial - 2-mic AVSJan 4, 2019 video icon

Product: Far-field Voice DSPs
Asset Type: Video
Title: DS20921 Setup Tutorial - 2-mic AVS
Date: Jan 4, 2019

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GitHub - User Guide

Access step-by-step instructions for setting up the AudioSmart® 2-Mic Development Kit for Amazon AVS with a Raspberry Pi.

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2-mic Development
Platform Comparison

Features
TDDI 2-Chip
TDsync
Yes Yes
Advanced Touch Features
Yes Yes
Advanced DDIC Features
Yes Yes
ClearForce
Yes Yes
Superior Industrial Design
Yes  
Host Solution Open Development Platform Suitable For Production
Raspberry Pi Yes No
NXP Yes Yes
Linkplay No Yes