VoiceRealtimeAudioFrame

{
    "type": "audio",
    "trace_id": "string",
    "session_id": "string",
    "audio_format": "pcm_s16le",
    "sample_rate_hz": 16000,
    "channel_count": 1,
    "payload_encoding": "base64",
    "sample_start": 0,
    "sample_count": 0,
    "audioData": "string",
    "sequence": 1,
    "is_final_chunk": true,
    "translationTargetLanguage": "string"
}