Far-field (3 m) voice activation with high response accuracy rate

DSP Concepts' high-performance TalkTo Audio Front-end
Local commands with intent recognition

Automatic Intent Recognition with support for multiple languages and accents

Cost-effective BOM for small form-factor products

Runs on single low-cost STM32H747I microcontroller

No external memory required

DSP Concepts’ TalkTo provides reliable far-field performance in noisy environments

• 2-mic array
• Single-Channel Noise Reduction (SCNR)
• State-of-the-art noise cancellation with Adaptive Interference Canceller (AIC)
- ○ No reference signal needed
- ○ Eliminates 30dB of directional interfering noise

Fluent.ai “Alexa” Wake Word model

Fluent.ai Automatic Intent Recognition (Air) model

• Speech-to-intent recognition model
• Support for approximately 50 commands
• Support for multiple languages and accents
- ○ English (North American accent)
- ○ English (Mainland Chinese accent)
- ○ Mandarin (Mainland Chinese accent)

Included with the demo kit

Available from Fluent.ai
Includes STM32H747I Discovery Kit with STM32H747 MCU and pre-flashed demo firmware
DSP Concepts 4-mic array daughter board with 2 mics enabled
Voice UI Quickstart Bundle available upon request: Everything you need to know to design voice-enabled IoT products, including design guidelines, microphone placement, an Audio Weaver Designer layout (.AWD), and tools to get started.
USB cable
AC-powered stereo speakers with volume control and integrated audio cable