Cyberon DSpotteriis a local voice trigger and command recognition solution with robust noise reduction that consumes very low resources and provides high-accuracy performance. It runs on RA MCUs with 120Mhz speed and supports multiple languages as well as H/W crypto engine for security.


  • Local voice recognition algorithm, no network connectivity needed 
    • Phoneme-based modeling
    • Quick command customization: don’t have to collect speech data in advance 
  • Optimization by model adaptation just with a small amount of speech data
  • Global language support: 40+ languages worldwide
  • Small footprint (Flash : 200KB + 28B*Xc, RAM: 50KB+116*Xc) and cost-effective (single DMIC + RA6M1)
  • DSMT Tool: command customization, performance tuning, testing
  • Separation of recognition engine and command model, switching commands dynamically
  • Low power and high-efficiency RA MCU with strong security function


  • IoT devices
  • Home appliances
  • Wearable/Hearable devices


Title language Type Format File Size Date
Cyberon DSpotter Product Brief PDF 314 KB

News & Additional Resources

Type Date Sort ascending
Cyberon Corporation External Link Feb 25, 2021
Renesas RA MCU Family External Link Jun 22, 2020