Electric Parameter:
☆Voice recognition rate up to 90% within half a meter.
☆Control output through voice command.
☆Play the specified voice through MCU serial communication control.
☆Three output modes: serial output, IO output, speaker output.
☆PWM output can directly drive 0.5W/8Ω or 1W/8Ω speaker.
☆Have differential amplifier circuit.
☆Voice recognition distance up to 2~3m in a quiet environment.
☆Can add SPI flash to increase the storage capacity.
☆Can store many groups of words.
☆Speaker-independent recognition.
☆Support 32 languages, such as Chinese, English, Cantonese, Japanese etc.
Voice recognition chip can be sold separately, SSOP24 package. At present, we can sell both module and chip. Following is a comparison.
![WTK6900B01 Speech Recognition Module]( "WTK6900B01 Speech Recognition Module")
Whether need to add Flash:
![WTK6900B01 Speech Recognition Module]( "WTK6900B01 Speech Recognition Module")
Application occasions:
Toys: parrot talk, story teller, music player, etc.
Switches: light switch, brightness adjustment, etc.
Voice broadcast: prompt tone for small household appliances.
![WTK6900B01 Speech Recognition Module]( "WTK6900B01 Speech Recognition Module")