Voice Recognition System Circuit: Diagram

You typically enter a learning mode via software or a button on the module. You repeat the command word multiple times (usually 3) until the module confirms success.

Usually included with the module, but some circuits use an external earpiece or computer microphone. Voice Recognition System Circuit Diagram

The processor compares the incoming sound frequency and "feature vectors" against templates pre-recorded during a training phase . You typically enter a learning mode via software