실시간 음성 통역 모델
Gemini 3.5 Live Translate 전수분석

from google import genai
from google.genai import types

client = genai.Client()

config = types.LiveConnectConfig(
    response_modalities=["AUDIO"],
    input_audio_transcription=types.AudioTranscriptionConfig(),
    output_audio_transcription=types.AudioTranscriptionConfig(),
    translation_config=types.TranslationConfig(
        target_language_code="ja",      # 일본어로 통역
        echo_target_language=True,
    ),
    # 15분 한계 해제 (긴 미팅용)
    context_window_compression=types.ContextWindowCompressionConfig(
        sliding_window=types.SlidingWindow(),
    ),
)

async with client.aio.live.connect(
    model="gemini-3.5-live-translate-preview", config=config
) as session:
    # 마이크 PCM 청크를 100ms 단위로 송신
    await session.send_realtime_input(
        audio=types.Blob(data=chunk, mime_type="audio/pcm;rate=16000")
    )
    async for response in session.receive():
        if response.data:            # 통역된 24kHz PCM 오디오
            play(response.data)
        if response.go_away:          # 곧 연결 종료 알림
            print(response.go_away.time_left)

const session = await ai.live.connect({
  model: 'gemini-3.5-live-translate-preview',
  config: {
    responseModalities: [Modality.AUDIO],
    translationConfig: {
      targetLanguageCode: 'ja',
      echoTargetLanguage: true,
    },
  },
});

// 마이크 PCM 청크 송신 (base64)
session.sendRealtimeInput({
  audio: {
    data: chunk.toString('base64'),
    mimeType: 'audio/pcm;rate=16000',
  },
});

// 프로덕션: ephemeral token 권장 (아래 §7)
const WS_URL =
  `wss://generativelanguage.googleapis.com/ws/` +
  `google.ai.generativelanguage.v1beta.GenerativeService` +
  `.BidiGenerateContent?key=${API_KEY}`;

const setupMessage = {
  setup: {
    model: 'models/gemini-3.5-live-translate-preview',
    generationConfig: {
      responseModalities: ['AUDIO'],
      translationConfig: {
        targetLanguageCode: 'ja',
        echoTargetLanguage: true,
      },
    },
  },
};
websocket.send(JSON.stringify(setupMessage));

// 오디오 송신
websocket.send(JSON.stringify({
  realtimeInput: { audio: { data: b64, mimeType: 'audio/pcm;rate=16000' } }
}));