Microsemi AcuEdge Development Kit for Amazon AVS... Technisches Handbuch

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devices and precise time solutions, setting the world’s standard for time; voice processing devices; RF solutions; discrete

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particular purpose, nor does Microsemi assume any liability whatsoever arising out of the application or use of any product or circuit. The products sold

hereunder and any other products sold by Microsemi have been subject to limited testing and should not be used in conjunction with mission-critical equipment

or applications. Any performance speciﬁcations are believed to be reliable but are not veriﬁed, and Buyer must conduct and complete all performance and other

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Kit Contents

Quantity Description

1 ZLE38000-004 Evaluation Board Rev 401

1 Pillar (plastic stand) and hardware assembly

1 Raspberry Pi 3

1 32 GB micro SD Card

1 JBL Clip2 Speaker

1 5 V, 2 A micro USB power supply

1 This quickstart card

Microsemi AcuEdge™ Development Kit for Amazon AVS

ZLK38AVS2 Quickstart Card

158430-4/2.18

Microsemi AcuEdge™ Development Kit for Amazon AVS ZLK38AVS2

Quickstart Card

2 3

Overview

Microsemi AcuEdge™ Development Kit for Amazon AVS is engineered to help you evaluate voice-

enabled front-end audio systems for your Alexa-enabled products. This kit features Microsemi’s ZL38063

voice processor powered by Microsemi’s proprietary AcuEdge™ technology for front-end audio clean-up

and Sensory’s TrulyHandsFree™ “Alexa” wake-word engine. Options for one, two, or three microphone

conﬁgurations allow testing for a variety of applications and environments.

Hardware Assembly Instructions

1. Mount Raspberry Pi 3 to the top ring with four nylon screws, two nylon standoffs, and two nylon nuts.

The circuit board should align with the 40-pin expansion header toward the front of the ring. The nuts

go to either side of the expansion header and the standoffs go opposite to provide stability.

2. Using the outermost holes, mount base using four rubber feet, four metal screws, and four short

metal standoffs.

3. Place center ring (marked JBL Clip 2) on the male threaded ends of the short metal standoffs. Mount

the four long metal standoffs.

4. Place the JBL Clip2 Speaker facing down in the center ring. The speaker will ﬁt snugly in this

position.

5. Using remaining four metal screws, mount the top ring to the long metal standoffs.

6. Mount the ZLE38000-004 Rev 401 circuit board on to the Raspberry Pi board’s 40-pin expansion

header, using the remaining two nylon screws to secure.

7. Plug the speaker cord into the 3.5 mm audio jack of the ZLE38000-004.

8. Follow the below instructions to load the software image onto the SD card. When complete, insert

SD card into Raspberry Pi and power the Raspberry Pi from the included 5 V, 2 A supply.

Software Installation

A pre-conﬁgured SD card image can be downloaded from the ZLK38AVS GitHub project page:

https://github.com/Microsemi/ZLK38AVS#important-considerations

Microsemi AcuEdge™ Development Kit for Amazon AVS ZLK38AVS2

Quickstart Card

Additional Documentation

Located in the “/ZLK38AVS/docs” directory on the Raspberry Pi 3 after installation is completed:

• Microsemi_ZLK38AVS_Quickstart.pdf: This Quickstart card

• Microsemi_ZLK38AVS_ProductBrief.pdf: Kit product brief

• Microsemi_ZL38063_ProductBrief.pdf: Microphone Array ASR-assist Audio Processor description

Support

To learn more about Microsemi and its development kit, visit:

https://www.microsemi.com/products/audio-processing/audio-processing-partners

To learn more about Amazon Alexa Voice Service and access the Amazon AVS API reference guide, visit:

https://developer.amazon.com/alexa-voice-service/

Microsemi sales ofﬁces, including representatives and distributors, are located worldwide.

To ﬁnd your local representative, go to http://www.microsemi.com/salescontacts.

Microsemi AcuEdge™ Development Kit for Amazon AVS ZLK38AVS2

Quickstart Card

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