TTSClientConfig
===============

**class** ``TTSClientConfig`` **(** :doc:`BaseClientConfig` **)**

    Provider-agnostic complete-text HTTP TTS configuration.

**Polymorphic Type:**

    ``type: tts``

    All ``BaseClientConfig`` types:

    - ``openai_chat_completions``: :doc:`OpenAIChatCompletionsClientConfig`
    - ``tts``: :doc:`TTSClientConfig`
    - ``streaming_tts``: :doc:`StreamingTTSClientConfig`
    - ``stt``: :doc:`STTClientConfig`
    - ``openai_completions``: :doc:`OpenAICompletionsClientConfig`
    - ``openai_router``: :doc:`OpenAIRouterClientConfig`

**Fields:**

``api_base`` : *Optional* [ *str* ] = ``None``
    API base URL. Defaults to OPENAI_API_BASE env var.

``api_key`` : *Optional* [ *str* ] = ``None``
    API key. Defaults to OPENAI_API_KEY env var.

``model`` : *str* = ``""``
    The TTS model ID.

``address_append_value`` : *str* = ``"chat/completions"``
    The address append value for the LLM API.

``request_timeout`` : *int* = ``300``
    The timeout for each request to the LLM API (in seconds).

``additional_sampling_params`` : *str* = ``"{}"``
    Additional sampling params to send with each request to the LLM API.

``provider`` : *str* = ``""``
    HTTP TTS provider. Supported: openai, elevenlabs, deepgram_flux, mistral.

``voice_id`` : *str* = ``""``
    Voice identifier when required by the provider.

``sample_rate`` : *int* = ``24000``
    Audio sample rate in Hz.

``chunk_size`` : *int* = ``1024``
    Read size in bytes for HTTP audio response streaming.

``raw_pcm`` : *bool* = ``False``
    Request raw PCM from providers that support selectable output formats.

``api_key_env`` : *Optional* [ *str* ] = ``None``
    Optional provider API-key environment variable override.

``stability`` : *float* = ``0.5``
    ElevenLabs voice stability.

``similarity_boost`` : *float* = ``0.8``
    ElevenLabs similarity boost.

``speed`` : *float* = ``1.0``
    Provider speaking-rate multiplier.

``apply_text_normalization`` : *str* = ``"off"``
    ElevenLabs text normalization mode: auto | on | off.

``mip_opt_out`` : *bool* = ``False``
    Opt out of the Deepgram Model Improvement Program.