The RECAIUS, speech recognition middleware voice trigger, is a software component which detects prespecified words and allows hands-free operation without using a switch to initiate listening. Out-of-box support is available for the RA Family of 32-bit MCUs.


  • Software solution to realize a talk-switchless and hands-free system via pre-defined word detection (trigger word)
  • No Internet connection required
  • Triger word can be defined by customer
  • Suitable for edge devices due to small memory size and less CPU performance
  • Partner beamforming, noise suppression technology can be used


  • Industrial controls
  • Smart buildings
  • Smart homes
  • Consumer electronics

Documentation & Downloads

Title language Type Format File Size Date
TOSHIBA RECAIUS Speech Recognition 日本語 Product Brief PDF 577 KB
TOSHIBA RECAIUS RM016 RMW Voice Trigger Service Catalog 日本語 Brochure PDF 297 KB

News & Additional Resources

Type Date Sort ascending
Toshiba Digital Solutions External Link Oct 16, 2020
Renesas RA MCU Family External Link Jun 22, 2020