developers.home-assistant/docs/core/entity/tts.md

title	sidebar_label
Text-to-speech entity	Text-to-speech

A text-to-speech (TTS) entity enables Home Assistant to speak to you.

A text-to-speech entity is derived from the homeassistant.components.tts.TextToSpeechEntity.

Properties

:::tip Properties should always only return information from memory and not do I/O (like network requests). :::

Name	Type	Default	Description
supported_languages	list[str]	Required	The supported languages of the TTS service.
default_language	str	Required	The default language of the TTS service.
supported_options	list[str]	None	The supported options like voice, emotions of the TTS service.
default_options	Mapping[str, Any]	None	The default options of the TTS service.

Methods

Get supported voices

This method is used to return a list of supported voices for a language of a TTS service.

class MyTextToSpeechEntity(TextToSpeechEntity):
    """Represent a Text To Speech entity."""

    @callback
    def async_get_supported_voices(self, language: str) -> list[str] | None:
        """Return a list of supported voices for a language."""

Get TTS audio

The get tts audio method is used to generate an audio file from a text message using a TTS service.

class MyTextToSpeechEntity(TextToSpeechEntity):
    """Represent a Text To Speech entity."""

    def get_tts_audio(
        self, message: str, language: str, options: dict[str, Any]
    ) -> TtsAudioType:
        """Load tts audio file from the engine."""

    async def async_get_tts_audio(
        self, message: str, language: str, options: dict[str, Any]
    ) -> TtsAudioType:
        """Load tts audio file from the engine."""