Voice AI Base Classes (voice/base.py)

Defines abstract base classes for Voice Activity Detection, Speech-to-Text, and Text-to-Speech providers with streaming support. Use when building modular voice processing pipelines.

# Source: https://github.com/SynapseKit/SynapseKit | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
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"""Abstract base classes for VAD, STT, and TTS providers."""

from __future__ import annotations

from abc import ABC, abstractmethod
from collections.abc import AsyncIterator


class BaseVAD(ABC):
    """Abstract Voice Activity Detector."""

    @abstractmethod
    async def is_speech(self, frame: bytes) -> bool:
        """Return True if *frame* contains speech."""
        ...


class BaseSTT(ABC):
    """
    Abstract Speech-to-Text provider with streaming support.

    Concrete implementations should yield incremental transcript strings
    as audio arrives.  The final transcript 

... (truncated -- full source via MCP)