With the ST Voice Wearable reference design, DSP Concepts enables near-field voice activation on wearable devices such as smart watches, fitness bands using power and MIPS optimized 2-mic TalkTo.
Near-field voice activation
DSP Concepts high performance 2 mic TalkTo Audio Front-end
Cost-effective BOM for small form-factor products
Runs on single low-cost STM32H7 micro-controller
No external memory required
Audio Front-end Features
DSP Concepts’ TalkTo for excellent near-field performance in noisy environments
2-mic Beamformer with Single Channel Noise Reduction (SCNR)
15+ dB improvement in noise cancellation performance with stationary and non-stationary noise conditions
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
TalkTo Voice UI: Echo cancellation and advanced beam-forming signal processing for near-field command recognition
STM32H747XIH6 Dual Core MCU with Arm® Cortex®-M7 running at 480MHz and Cortex-M4 running at 240MHz
SAI audio codec
Camera ( 8-bit)
USB with Micro-AB
SPDIF RCA input and output
Stereo headset jack including analog microphone input
audio jack for external speakers
TAG-connect 10-pin footprint
Arm Cortex 10-pin 1.27 mm-pitch debug connector over STDC14 footprint
Board expansion options
Audio daughter board
Arduino™ Uno V3,
Pmod™ Type 2A and Type 4A
Included with the demo kit:
STM32H747I Discovery Kit with STM32H747 MCU
DSP Concepts 4 mic array daughter board with selectable 2-mic configuration
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.
Ready to get started?
Schedule time to speak with one of our audio experts.