Introduction

Overview

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.

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

Hardware

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:

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

Cable connection：

micro-usb for adb and power supply：

serial comm with Allwinner TF-card uart debugger

Hardware Spec

Dimensions

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.