BPI-R18-AI(Allwinner SoC-Only 3-Mic Far-Field Dev Kit)

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BPI-R18-AI Allwinner SoC-Only 3-Mic Far-Field Dev Kit for Amazon AVS with allwnner R18 chip design

Allwinner SoC-Only 3-Mic Far-Field Dev Kit is Allwinner’s official development board targeting at audio recognition field, which is certified by Amazon.Powered by Allwinner R18 Quad-core CortexTM-A53, Its rich features and cost-effectiveness make audio intelligence further close to our daily life.

A BPI-R18-AI 1.jpg

Key Features

  • Integrates all AVS features on a single SoC
Supports Tina Linux
High performance with low power consumption
  • Reserves application headroom for non-AVS applications
Built-in battery-operated designs.
Supports 6 MICs both-side placement,configurable to 6/4/3/2 MICs


The AVS Developer Kit is a qualified device enables Alexa Voice Service (AVS) that allows developer to interact with Alexa Voice Service hands-free. It includes a 6-mic array and one base board that provides various peripheral interfaces. Services to play music, ask questions, set alarms, play iHeartRadio, news, sports updates, weather and more are available on this kit. With Gmems’s front end algorithm, the developer kit is equipped with most advanced beamforming, noise reduction and echo cancellation technology so that your commands can be easily picked up even under noisy environment or during music is playing.

hardwares interface

Button description:

On mic-board there are 4 buttons, the functionality of each is listed below:

R18 pic 7.png

  • VOL- : voluome down;
  • VOL+ : volume up, force flash;
  • MUTE : Mute the microphone to enter private mode
  • POWER : power on/off

Cable connection:

R18 pic 8.png

micro-usb for adb and power supply:

R18 pic 9.png

serial comm with Allwinner TF-card uart debugger

Hardware Spec

Bpi-r18-avs SPEC.png


Bpi-r18-avs Maintop.jpg

BPI-R18-AI Kit

Allwinner SoC-Only 3-Mic Far-Field Dev Kit comes with three components - mainboard,MIC board,Flexible interconnection ribbon cable and copper pillars, power adapter is not included.

BPI-r18-avs kit.JPG


AVS quick start guide

Please download the quick-start guide:R18AVS-quick-start.pdf

amazon AVS project

BPI-R18-AVS 10.jpg






Image Release

zmazon AVS image

  • Allwinner SoC-Only 3-Mic Far-Field Dev Kit image
how to use please see : Quick Start Guide
google driver download link:https://drive.google.com/file/d/1UxebQCxEysPjUsDG85EN1H6_aH4WVXZy/view?usp=sharing
note:this image is to be flashed onto onboard eMMC


kernel 4.4

  • 2018-4-17 update Ubuntu 16.04.4 with linux kernel 4.4.89
image name:2018-04-17-ubuntu-16.04-mate-desktop-demo3-k4.4.89-vdpau-3-mic-docker-bpi-r18-avs-aarch64-sd-emmc.img.zip
Google Drive: https://drive.google.com/open?id=1dlfo9LGNcrc-_cpKd1uJnrNx0PdonBnK
MD5: 4b7e163d260e58a39ba8905e7ed39943
Forum pthread:http://forum.banana-pi.org/t/bpi-r18-avs-new-image-ubuntu-16-04-4-with-linux-kernel-4-4-89-2018-4-17/5435
Note:this image doesn't support Alex.