TalkTo for ST: AWS IoT

Jumpstart the design of Alexa-enabled appliances with ST’s AVS for AWS IoT qualified platform powered by Audio Weaver and TalkTo. ST Voice for AWS IoT brings high-quality voice control to the high-performing STM32H7 MCUs. The energy-efficient STM32H7 is ideal for low-cost, small, and simple connected devices that require state-of-the-art functionality such as far-field audio capture and natural language understanding.

AVS Integration for AWS IoT

Integrate Alexa into any connected device with STM32H7 MCUs

Out of the box connectivity to AWS IoT

Reliable far-field performance

AVS 2.1 qualified

Production ready algorithms

Cost effective BOM for small form factors

Runs on single low-cost STM32H7 MCU

No external memory required

Optimized for MIPS and Memory

Audio Front-end Features

  • AVS 2.1 qualified design with AWS IoT integration
  • DSP Concepts’ TalkTo provides reliable far-field performance in noisy environments
    • 2-mic Beamformer with Single Channel Noise Reduction
    • State-of-the-art noise cancellation with Adaptive Interference Canceller (AIC)
      • No reference signal needed
      • Eliminates 30dB of external noise sources such as background music or a booming movie
    • 35dB Acoustic Echo Cancellation (AEC) for excellent barge-in performance
  • Support speaker output with integrated playback processing

Software Integrations

  • Audio Weaver Designer: Drag-and-drop graphical tool to customize and tune audio processing models in real-time with 500+ modules
  • Audio Weaver Core for ST Voice: Embedded audio processing engine for Cortex-M7
  • Amazon Alexa wake word with a out-of-the-box connectivity with AWS IoT Coreinteract with AVS for AWS IoT Core
  • Noise reduction, echo cancellation and advanced beam-forming signal processing for far-field audio detection

Hardware Specifications

  • High-performance STM32H743 MCU
  • Simple layout for cost-effective deployments in end products
  • Low-cost 2-layer PCB (36mm x 65mm) board
  • 2 microphone array on a daughter card
  • Integrated speaker
  • Murata Wi-Fi module
  • Modular design allows users to change/expand audio inputs (mics), output stages and audio i/o

Included with the demo kit:

  • STM32H747 AVS for AWS IoT board
  • Linear Microphone array daughter card
  • Integrated Speaker
  • Voice UI Quickstart Bundle: 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

Ready to get started?

Schedule time to speak with one of our audio experts.