Audio Frames

def __post_init__(self):
    """
    Initializes frame and calculates num_frames
    """

def __str__(self):
    """
    Returns formatted string with frame details including pts, size, frames,
    sample rate, and channels
    """

@dataclass
class InputAudioRawFrame(AudioRawFrame):
    """A chunk of audio usually coming from an input transport."""
    pass

@dataclass
class OutputAudioRawFrame(AudioRawFrame):
    """
    A chunk of audio that will be played by the output transport if the
    transport's microphone has been enabled.
    """
    pass

@dataclass
class TTSAudioRawFrame(OutputAudioRawFrame):
    """A chunk of output audio generated by a TTS service."""
    pass

# Input audio from microphone
input_frame = InputAudioRawFrame(
    audio=raw_audio_bytes,
    sample_rate=16000,
    num_channels=1
)

# TTS output
tts_frame = TTSAudioRawFrame(
    audio=synthesized_audio,
    sample_rate=22050,
    num_channels=1
)

# Typical audio processing pipeline
pipeline = Pipeline([
    transport.input(),       # Produces InputAudioRawFrame
    vad_processor,           # Processes InputAudioRawFrame
    transcriber,             # Consumes InputAudioRawFrame
    llm_processor,           # Produces text for TTS
    tts_service,             # Produces TTSAudioRawFrame
    transport.output()       # Consumes OutputAudioRawFrame/TTSAudioRawFrame
])