Referensi API - Qwen-LiveTranslate Java SDK

import com.alibaba.dashscope.audio.omni.*;
import com.alibaba.dashscope.exception.NoApiKeyException;
import com.google.gson.JsonObject;

import javax.sound.sampled.*;
import java.util.*;
import java.util.concurrent.atomic.AtomicBoolean;

/**
 * Contoh penggunaan mikrofon dengan model terjemahan audio dan video real-time.
 */
public class Main {
    private static final int INPUT_CHUNK_SIZE = 3200;   // 100 ms audio 16 kHz, 16-bit, mono
    private static final int OUTPUT_CHUNK_SIZE = 4800;  // 100 ms audio 24 kHz, 16-bit, mono
    private static final AtomicBoolean running = new AtomicBoolean(true);
    private static SourceDataLine speaker;  // Speaker

    public static void main(String[] args) throws InterruptedException {
        String apiKey = System.getenv("DASHSCOPE_API_KEY");
        if (apiKey == null || apiKey.isEmpty()) {
            System.err.println("Setel variabel lingkungan DASHSCOPE_API_KEY.");
            System.exit(1);
        }

        // Buat parameter koneksi.
        OmniRealtimeParam param = OmniRealtimeParam.builder()
                .model("qwen3.5-livetranslate-flash-realtime")
                .url("wss://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api-ws/v1/realtime")
                .apikey(apiKey)
                .build();

        // Buat penangan callback.
        OmniRealtimeCallback callback = new OmniRealtimeCallback() {
            @Override
            public void onOpen() {
                System.out.println("[Koneksi berhasil]");
            }

            @Override
            public void onEvent(JsonObject message) {
                String type = message.get("type").getAsString();
                switch (type) {
                    case "input_audio_buffer.speech_started":
                        System.out.println("====== Input ucapan terdeteksi ======");
                        break;
                    case "input_audio_buffer.speech_stopped":
                        System.out.println("====== Input ucapan berakhir ======");
                        break;
                    case "conversation.item.input_audio_transcription.completed":
                        String originalText = message.get("transcript").getAsString();
                        System.out.println("[Teks asli] " + originalText);
                        break;
                    case "response.audio_transcript.done":
                        String translatedText = message.get("transcript").getAsString();
                        System.out.println("[Hasil terjemahan] " + translatedText);
                        break;
                    case "response.audio.delta":
                        // Dekode dan putar audio terjemahan.
                        String audioB64 = message.get("delta").getAsString();
                        byte[] audioBytes = Base64.getDecoder().decode(audioB64);
                        if (speaker != null) {
                            speaker.write(audioBytes, 0, audioBytes.length);
                        }
                        break;
                    case "error":
                        JsonObject error = message.get("error").getAsJsonObject();
                        System.err.println("[Kesalahan] " + error.get("message").getAsString());
                        break;
                }
            }

            @Override
            public void onClose(int code, String reason) {
                System.out.println("[Koneksi ditutup] kode: " + code + ", alasan: " + reason);
            }
        };

        // Buat sesi.
        OmniRealtimeConversation conversation = new OmniRealtimeConversation(param, callback);

        try {
            // Inisialisasi speaker (untuk memutar ucapan hasil terjemahan).
            AudioFormat speakerFormat = new AudioFormat(24000, 16, 1, true, false);
            DataLine.Info speakerInfo = new DataLine.Info(SourceDataLine.class, speakerFormat);
            speaker = (SourceDataLine) AudioSystem.getLine(speakerInfo);
            speaker.open(speakerFormat, OUTPUT_CHUNK_SIZE * 4);
            speaker.start();

            // Inisialisasi mikrofon (untuk menangkap input ucapan).
            AudioFormat micFormat = new AudioFormat(16000, 16, 1, true, false);
            DataLine.Info micInfo = new DataLine.Info(TargetDataLine.class, micFormat);
            if (!AudioSystem.isLineSupported(micInfo)) {
                System.err.println("Mikrofon tidak tersedia.");
                System.exit(1);
            }
            TargetDataLine microphone = (TargetDataLine) AudioSystem.getLine(micInfo);
            microphone.open(micFormat);
            microphone.start();

            // Hubungkan ke server.
            conversation.connect();

            // Konfigurasi parameter terjemahan.
            Map<String, Object> phrases = new HashMap<>();
            phrases.put("Inteligencia Artificial", "Artificial Intelligence");
            phrases.put("Aprendizaje Automático", "Machine Learning");

            OmniRealtimeConfig config = OmniRealtimeConfig.builder()
                    .modalities(Arrays.asList(OmniRealtimeModality.AUDIO, OmniRealtimeModality.TEXT))
                    .voice("Cherry")
                    .inputAudioFormat(OmniRealtimeAudioFormat.PCM_16000HZ_MONO_16BIT)
                    .outputAudioFormat(OmniRealtimeAudioFormat.PCM_24000HZ_MONO_16BIT)
                    .InputAudioTranscription("qwen3-asr-flash-realtime")
                    .translationConfig(OmniRealtimeTranslationParam.builder()
                            .language("en")
                            .corpus(OmniRealtimeTranslationParam.Corpus.builder()
                                    .phrases(phrases)
                                    .build())
                            .build())
                    .build();

            conversation.updateSession(config);

            // Daftarkan shutdown hook.
            Runtime.getRuntime().addShutdownHook(new Thread(() -> {
                System.out.println("\n[Keluar...]");
                running.set(false);
                microphone.stop();
                microphone.close();
                speaker.stop();
                speaker.close();
                try {
                    conversation.endSession();
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                }
                conversation.close(1000, "User stopped");
            }));

            System.out.println("[Memulai terjemahan real-time] Bicara ke mikrofon. Tekan Ctrl+C untuk keluar.");

            // Secara terus-menerus menangkap dan mengirim audio mikrofon.
            byte[] buffer = new byte[INPUT_CHUNK_SIZE];
            while (running.get()) {
                int bytesRead = microphone.read(buffer, 0, buffer.length);
                if (bytesRead > 0) {
                    conversation.appendAudio(Base64.getEncoder().encodeToString(buffer));
                }
            }

        } catch (NoApiKeyException e) {
            System.err.println("Kesalahan Kunci API: " + e.getMessage());
        } catch (Exception e) {
            System.err.println("Terjadi pengecualian: " + e.getMessage());
            e.printStackTrace();
        }
    }
}