Grove - Speech Recognizer
Sold outThe Grove speech recognizer is a module designed for application in the smart home, toy, robot or anything you would like to control with voice commands.
Overview
The board includes a Nuvoton ISD9160, a microphone, 1 SPI flash, 1 grove connector, 1 speaker connector and 1 led to show to your voice activity.
Nuvoton ISD9160 is (SoC) Chipcorder that based on Cortex™-M0, it provides performance and the energy efficiency needed for voice control applications. The microphone on grove-speech recognizer is Omni-directional.
This speech recognizer can recognize 22 commands including ‘start’, ‘stop’ and ‘Play music’. Every time it recognizes a command, it will return a value and the connected loudspeaker will repeat the command. This value can be used to control other devices like a motor or music player.
Note: The wake up word is “Hicell” (Pronounce it as one word). When it recognizes the awaken word the LED turns red and you can say the command word. If it recognize the command word, the LED will turn blue.
Note: The firmware of the module was wrote by the third party vendor, it’s not open source.
Application Ideas:
- Internet of Things
- Smart House
- Human Machine Interface
- Lighting Control
- Sensor Hub
- Robot
Features:
- 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
Tech specs
Specification
|
Item |
Min |
Typ |
Max |
Condition |
|
Operating Voltage |
3V |
3.3V |
5V |
25 ℃ |
|
Operating Current |
25mA |
26.5mA |
80mA@playing |
VCC = 3.3V 25℃ |
|
Operating Current |
25mA |
26.5mA |
130mA@playing |
VCC = 5V 25℃ |
|
Operating Temperature |
0℃ |
25℃ |
85℃ |
|
|
Size |
40*20mm |
|||
|
Weigth |
5g |
|||
|
Flash |
2Mbytes |
|||
|
Microphone Sensitivity |
-43dB |
-40dB |
-37dB |
VCC = 5V 25℃ |
|
Microphone SNR |
58dB |
|||
|
Microphone Directivity |
Omni-directional |
|||
|
Speaker Power |
1W |
VCC = 5V 25℃ |
||
|
Processor core |
Cortex-M0 |
|||
|
Processor Frequency |
32.768MHz |
50MHz |
VCC = 5V 25℃ |
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