BPI-R18-AI(Allwinner SoC-Only 3-Mic Far-Field Dev Kit)
Contents
Introduction
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 for either Linux or Android
- 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.
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.
Software
AVS quick start guide
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.
- Get start with common tools
1.Via adb
adb is Android debug bridge. Typeadb shell in command line(windows) or Terminal(MacOS or Linux) to enter debug mode,developers can type commands here.:
2.Via serial Com
on windows, you need tools like SecureCRT or putty or MobaXterm to use serial port. On Ubuntu, minicom is the most popular application to debug via serial comm. This is the setting on MobaXterm:
3.push and pull files
adb push and adb pull commands can push data from PC to developer kit and pull data from developer kit to PC.
just drag the file to command line tool, it will display the directory automatically.
Connect to Internet:
Without internet, developer can’t enjoy the Alexa Voice Service. Type the command below to connect to Internet: wifi_connect_ap_test “ssid” “passwd” ssid and passwd are your network name and your password respectively.
Use SampleApp:
SampleApp is the application integrated with voice recording, Sensory’s wake word engine, Gmems’s front end algorithm and Alexa Voice Service. Developer can start hands-free experience with AVS Developer Kit by following commands:
TZ=UTC SampleApp /etc/avs/test.json /etc/avs/ DEBUG9
/etc/avs/test.json is the configuration file includes device registration information and user CA certificates.
amazon AVS project
https://developer.amazon.com/alexa-voice-service/dev-kits/allwinner-3-mic
Allwinner
http://allwinnertech.com/index.php?c=market&a=index&id=59