This demo application includes a sample VoiceWidget Angular component which uses the PicovoiceService. Picovoice Wake Word detection is handled via the wakeWordDetection$ event. Inference is handled via the inference$ event. The VoiceWidget subscribes to these events and displays the results.
Do not decline microphone permission or so that prevents Picovoice from starting. To recognize the audio input, it has to get the input, right?
For this tutorial, you'll also need Angular CLI version 11.0.5 and AccessKey from Picovoice Console.
Install and run
Use yarn or npm to install then start the demo application:
yarn
yarn start
(or)
npm install
npm run start
Open http://localhost:4200/ in your browser.
Try Picovoice
You should have the demo application running in your browser. Now it's time to try! (Again, don't forget the microphone permissions)
"Picovoice, set a timer for two minutes"
The result should look similar to this:
{
"isFinalized": true,
"isUnderstood": true,
"intent": "setAlarm",
"slots": {
"minutes": "2"
}
}
Try a phrase that is out-of-context:
"Picovoice, what's the weather?"
{
"isFinalized": true,
"isUnderstood": false,
"intent": null,
"slots": {}
}
Since the command is not in the "Clock" context, it is not understood.
The Clock context consists of a particular set of expressions. This file is trained on Picovoice Console to create a .rhn file for the WebAssembly (WASM) platform. You can build your own application with different sets of expressions on thePicovoice Console.
context:
expressions:
setAlarm:
- "set (a, an, the) [alarm, timer] for $pv.TwoDigitInteger:hours [hour, hours] (and) $pv.TwoDigitInteger:minutes [minute, minutes] (and) $pv.TwoDigitInteger:seconds [second, seconds]"
- "set (a, an, the) [alarm, timer] for $pv.TwoDigitInteger:hours [hour, hours] (and) $pv.TwoDigitInteger:minutes [minute, minutes]"
- "set (a, an, the) [alarm, timer] for $pv.TwoDigitInteger:hours [hour, hours] (and) $pv.TwoDigitInteger:seconds [second, seconds]"
- "set (a, an, the) [alarm, timer] for $pv.TwoDigitInteger:hours [hour, hours]"
- "set (a, an, the) [alarm, timer] for $pv.TwoDigitInteger:minutes [minute, minutes] (and) $pv.TwoDigitInteger:seconds [second, seconds]"
- "set (a, an, the) [alarm, timer] for $pv.TwoDigitInteger:minutes [minute, minutes]"
- "set (a, an, the) [alarm, timer] for $pv.TwoDigitInteger:seconds [second, seconds]"
- "$pv.TwoDigitInteger:hours [hour, hours] (and) $pv.TwoDigitInteger:minutes [minute, minutes] (and) $pv.TwoDigitInteger:seconds [second, seconds]"
- "$pv.TwoDigitInteger:hours [hour, hours] (and) $pv.TwoDigitInteger:minutes [minute, minutes]"
- "$pv.TwoDigitInteger:hours [hour, hours] (and) $pv.TwoDigitInteger:seconds [second, seconds]"
- "$pv.TwoDigitInteger:hours [hour, hours]"
- "$pv.TwoDigitInteger:minutes [minute, minutes] (and) $pv.TwoDigitInteger:seconds [second, seconds]"
- "$pv.TwoDigitInteger:minutes [minute, minutes]"
- "$pv.TwoDigitInteger:seconds [second, seconds]"
reset:
- "reset (the) (timer)"
pause:
- "[pause, stop] (the) (timer)"
resume:
- "resume (the) (timer)"
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