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Tau Labs

Reference Modules

Don't start from scratch. Accelerate your development with our production-proven reference designs.

Tau 01

Tau 01

A compact, high-performance voice processing module designed for smart speakers and voice assistants. Features advanced noise cancellation and far-field pickup.

Specs

  • • Quad-core Cortex-A53 @ 1.5GHz
  • • 4-mic array support
  • • On-board DSP for AEC/NS
  • • Wi-Fi 5 & BT 5.0

Typical Applications

Smart Speakers Intercoms Kiosks
Customization: Fully Customizable
Tau 02

Tau 02

Optimized for battery-powered interactive toys. Balances local processing with cloud connectivity, ensuring privacy and responsiveness.

Specs

  • • Low-power ARM Cortex-M33
  • • Integrated Audio Codec
  • • Secure Element for COPPA compliance
  • • Li-Po Battery Charger

Typical Applications

Plush Toys Educational Robots Storytellers
Customization: Form Factor & Peripherals
Tau 03

Tau 03

The cost-effective workhorse for connected devices. ESP32-S3 based design with optimized audio routing for clear voice capture.

Specs

  • • ESP32-S3-WROOM-1
  • • 2x I2S Microphones (65mm spacing)
  • • 3W Class-D Amplifier
  • • USB-C Power & Debug

Typical Applications

Smart Home Control Light Switches Retrofits
Customization: Fixed Layout (Fast Turnaround)