This design provides a voice recognition solution with low power consumption. It improves recognition rates by implementing beam forming and noise suppressor functions, which tune according to the usage in the environment.

System Benefits:

  • Achieves high-performance voice recognition by using low-power consumption technology and a digital signal processor (DSP) from the RA6M1 MCU
  • Quick evaluation and development of speech recognition functions



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16:9 JP035 JP035 JP035 USB USB USB LDO LDO LDO Mic Mic Mic Mic Mic Mic Digital Mic Digital Mic Digital Mic Op Amp 1 Op Amp Op Amp Op Amp 2 Op Amp Op Amp Main MCU Main MCU MainMCU Audio Assistance Sheet.22 Sheet.23 Audio Assistance.24 Sheet.25 Sheet.26 Audio Assistance.27 Sheet.28 Sheet.29 Connector Arrow Connector Arrow.32 Connector Arrow.36 Connector Arrow.37 Connector Arrow.38 Connector Arrow.39 Connector Line Connector Line.42 Connector Arrow.43 Connector Arrow.44 Connector Arrow.46 Connector Arrow.48 Connector double arrow Voice Control Unit Voice Control Unit Voice Control Unit 5V 5V 5V 3.3V 3.3V 3.3V Connector Line.55 MCU MCU MCU MCU ADC 1 ADC ADC ADC 2 ADC ADC USB-FC USB-FC USB-FC FPU DSP FPU DSP FPU DSP CAN CAN CAN SPI SPI SPI I2C I2C I2C I2C I2C I2C
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