Voice Recognition Train Model(KOI v1.12.0)
From KOI v1.12.0 onwards, saving and loading a voice recognition model is supported.
Install an SD Card
The trained model will be stored on an SD card, without an SD card we won’t be able to save this model.
Training a Voice Recognition Model
Load KOI Extension: https://github.com/KittenBot/pxt-koi
Blocks for Voice Recognition:
1: Download the program to the Micro:bit.
2: Press A to record the first command. KOI’s screen will display green upon a successful record.
3: Press B to record the first command. KOI’s screen will display green upon a successful record.
AI Camera has the capacity for 10 voice samples.
4: Press A and B at the same time to save the model.
The saved model must be in a .json format, or else it will not work.
Extension Version and Updates
There may be updates to extensions periodically, please refer to the following link to update/downgrade your extension.
2: Does KOI work with 3V input?
· A: No, KOI only works with 5V.
3: KOI displays red everytime I try to record my command.
· A: The noise level hasn’t been calibrated, it is essential to run the block before voice recognition.