TTS 语音合成

type AudioSynthesisEngine interface {
    Provider() TTSProvider
    Format() media.StreamFormat
    Synthesize(ctx context.Context, handler AudioSynthesisHandler, text string) error
    Close() error
}

type AudioSynthesisHandler interface {
    OnMessage([]byte)                 // 音频数据块
    OnTimestamp(ts SentenceTimestamp)  // 字/句时间戳
}

import "github.com/LingByte/lingllm/synthesizer"

engine, err := synthesizer.NewAudioSynthesisEngine("elevenlabs", map[string]any{
    "apiKey":  os.Getenv("ELEVENLABS_API_KEY"),
    "voiceId": "your-voice-id",
})
if err != nil {
    panic(err)
}
defer engine.Close()

handler := &MyHandler{} // 实现 AudioSynthesisHandler
err = engine.Synthesize(context.Background(), handler, "你好，来自 LingLLM")