Automatic speech recognition sdk

Preface

At present, ROC-RK3308-CC Linux SDK has supported with three Intelligent speech recognition sdk, which are Alexa，DuerOS, iFlytek, and aispeech .

Accessories

Accessories required for voice development:

• ROC-RK3308-CC

• 6-Mic PDM array

• Speakers or headphones, currently only support AUX interface access

Features

6-Mic PDM array

• Mic: support 6-Mic record and 2-mic recovery

• LED: 12 programmable RGB LED indicators, rich lights indication can be used to prompt network status, auditory localization, answering prompt, and error prompt, etc.

• It integrates with five adc keys

The five adc keys include:VOL- and VOL+ used for increase or decreasing voice, MIC_MUTE used for prohibiting microphone voice recording, MODEused for switching device modes, and Play/Pauseused for controlling the playing or pause of the device.