bricks/docs/en/webspeech.md

WebTTS

Widget Functionality: Implements browser-based Text-to-Speech (TTS) functionality, supporting multiple languages, pitch, and speech rate settings, along with event callbacks during the speech synthesis process.
Type: Container widget
Parent Widget: bricks.VBox

Initialization Parameters

• opts: Inherits initialization parameters from bricks.VBox, used to configure layout and basic properties.
  • Supports all common configuration options of a VBox container (such as styles, child widgets, etc.).

Main Events

No custom events are triggered; however, the following speech synthesis events are internally used for status monitoring:

• onstart: Logs a message when speech synthesis begins.
• onend: Logs a message when speech synthesis ends.
• onerror: Outputs error information if speech synthesis fails.

Note: This widget performs speech playback by calling the speak(text) method and does not rely on external event binding mechanisms to trigger UI changes.

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WebASR

Widget Functionality: Implements browser-based Speech Recognition functionality, converting user's spoken input into text content and dispatching recognition results via events.
Type: Container widget
Parent Widget: bricks.VBox

Initialization Parameters

• opts: Inherits initialization parameters from bricks.VBox, used to configure layout and basic properties.
  • Supports all common configuration options of a VBox container.

Main Events

• asr_result: Triggered when speech recognition successfully returns a result, carrying the recognized text content.
  • Data format: { content: string }
  • Example: { content: "Hello World" }

Note: Requires browser support for the SpeechRecognition API; otherwise, a "not supported" message will be logged.