Speech Recognizer - reconnaissance vocale, Grove
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Speech Recognizer - reconnaissance vocale, Grove

Speech recognition, Grove

  • Onboard microphone
  • Very low rate
  • 22 entries of recognition
  • Speaker output
  • Serial interface (9600 bauds)
  • 3.3V - 5V compatible
  • SeeedStudio 101020232
€25.77 (tax incl.) €21.30 (tax excl.)
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Grove module for speech recognition with 22 entries

Want to control physical object (or project) with voice? That would be cool.
If you do need a simple an autonomous solution (not requiring internet connection) then the "Speech Recognizer" would be the perfect solution. This grove speech recognizer would allow you to create smart solution.

This board is designed for voice control application such as smart toy, voice controlled robot, smart home or anything you would like to control with your voice.

The board is based on ISD9160 from Nuvoton coupled to one microphone, some SPI flash, a speaker connector, a grove connector (serial interface) and a led reflecting the voice. The Nuvoton ISD9160 is SoC recorder based on ARM Cortex-M0. The ISD9160 can relies on a the performant microphone, no need to be close in the front of the microphone to be heared! The board uses a omni-directional microphone (the microphone will hear you from the front, back, left or right side. The signals will be recorded with equal gain in any direction).

The board can recognize 22 commands including 'start', 'stop', 'Play music' (a command with several words must be pronounced as a single and unique word). Every time the board recognizes a command, it will return a value on the serial line and the speaker (if connected) will repeat it. The value can be used to control other devices (like motor, music player, automation project). This board do have a high recognition rate and a very low false trigger.

How to use:

  • Awaken Word: Hicell (Please pronounce it as one word)
  • When it recognizes the awaken word, LED turn red, then you can say the command word, if it recognize the command word, LED will turn blue.

See the manufacturer product sheet for more details

Technical details

  • Local Voice Recognition
  • Very low rate of false triggering
  • Speaker connector(JST2.0, speaker is not include)
  • Built-in microphone
  • 3.3/5V working voltage
  • 22 recognition entry
  • Default Baudrate: 9600
  • Weight: 11 gr


For each order, you will receive the Speech Recognition Grove module (this product) and a Grove cable.