Alibaba Cloud Model Studio:SDK Java Pengenalan Ujaran Real-time Paraformer

import com.alibaba.dashscope.audio.asr.recognition.Recognition;
import com.alibaba.dashscope.audio.asr.recognition.RecognitionParam;
import com.alibaba.dashscope.audio.asr.recognition.RecognitionResult;
import com.alibaba.dashscope.common.ResultCallback;
import com.alibaba.dashscope.utils.Constants;

import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.TargetDataLine;

import java.nio.ByteBuffer;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;

public class Main {
    public static void main(String[] args) throws InterruptedException {
        // Konfigurasi berikut untuk wilayah China (Beijing). Ganti "{WorkspaceId}" dengan Workspace ID Anda yang sebenarnya. Konfigurasi bervariasi berdasarkan wilayah.
        Constants.baseWebsocketApiUrl = "wss://{WorkspaceId}.cn-beijing.maas.aliyuncs.com/api-ws/v1/inference";
        ExecutorService executorService = Executors.newSingleThreadExecutor();
        executorService.submit(new RealtimeRecognitionTask());
        executorService.shutdown();
        executorService.awaitTermination(1, TimeUnit.MINUTES);
        System.exit(0);
    }
}

class RealtimeRecognitionTask implements Runnable {
    @Override
    public void run() {
        RecognitionParam param = RecognitionParam.builder()
                // Jika Anda belum mengonfigurasi API Key sebagai variabel lingkungan, ganti apiKey dengan API Key Anda sendiri
                // .apiKey("yourApikey")
                .model("paraformer-realtime-v2")
                .format("wav")
                .sampleRate(16000)
                // "language_hints" hanya didukung oleh model paraformer-realtime-v2
                .parameter("language_hints", new String[]{"zh", "en"})
                .build();
        Recognition recognizer = new Recognition();

        ResultCallback<RecognitionResult> callback = new ResultCallback<RecognitionResult>() {
            @Override
            public void onEvent(RecognitionResult result) {
                if (result.isSentenceEnd()) {
                    System.out.println("Hasil Akhir: " + result.getSentence().getText());
                } else {
                    System.out.println("Hasil Sementara: " + result.getSentence().getText());
                }
            }

            @Override
            public void onComplete() {
                System.out.println("Pengenalan selesai");
            }

            @Override
            public void onError(Exception e) {
                System.out.println("Kesalahan RecognitionCallback: " + e.getMessage());
            }
        };
        try {
            recognizer.call(param, callback);
            // Buat format audio
            AudioFormat audioFormat = new AudioFormat(16000, 16, 1, true, false);
            // Sesuaikan dengan perangkat perekaman default berdasarkan format
            TargetDataLine targetDataLine =
                    AudioSystem.getTargetDataLine(audioFormat);
            targetDataLine.open(audioFormat);
            // Mulai merekam
            targetDataLine.start();
            ByteBuffer buffer = ByteBuffer.allocate(1024);
            long start = System.currentTimeMillis();
            // Rekam selama 50 detik dan lakukan transkripsi real time
            while (System.currentTimeMillis() - start < 50000) {
                int read = targetDataLine.read(buffer.array(), 0, buffer.capacity());
                if (read > 0) {
                    buffer.limit(read);
                    // Kirim data audio yang direkam ke layanan pengenalan streaming
                    recognizer.sendAudioFrame(buffer);
                    buffer = ByteBuffer.allocate(1024);
                    // Batasi laju perekaman, tidur sebentar untuk mencegah penggunaan CPU tinggi
                    Thread.sleep(20);
                }
            }
            recognizer.stop();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            // Tutup koneksi WebSocket setelah tugas selesai
            recognizer.getDuplexApi().close(1000, "bye");
        }

        System.out.println(
                "[Metric] requestId: "
                        + recognizer.getLastRequestId()
                        + ", delay paket pertama ms: "
                        + recognizer.getFirstPackageDelay()
                        + ", delay paket terakhir ms: "
                        + recognizer.getLastPackageDelay());
    }
}

import com.alibaba.dashscope.audio.asr.recognition.Recognition;
import com.alibaba.dashscope.audio.asr.recognition.RecognitionParam;
import com.alibaba.dashscope.audio.asr.recognition.RecognitionResult;
import com.alibaba.dashscope.common.ResultCallback;
import com.alibaba.dashscope.utils.Constants;

import java.io.FileInputStream;
import java.nio.ByteBuffer;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;

class TimeUtils {
    private static final DateTimeFormatter formatter =
            DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS");

    public static String getTimestamp() {
        return LocalDateTime.now().format(formatter);
    }
}

public class Main {
    public static void main(String[] args) throws InterruptedException {
        // Konfigurasi berikut untuk wilayah China (Beijing). Ganti "{WorkspaceId}" dengan Workspace ID Anda yang sebenarnya. Konfigurasi bervariasi berdasarkan wilayah.
        Constants.baseWebsocketApiUrl = "wss://{WorkspaceId}.cn-beijing.maas.aliyuncs.com/api-ws/v1/inference";
        ExecutorService executorService = Executors.newSingleThreadExecutor();
        executorService.submit(new RealtimeRecognitionTask(Paths.get(System.getProperty("user.dir"), "{YOUR_AUDIO_FILE}")));
        executorService.shutdown();

        // tunggu hingga semua tugas selesai
        executorService.awaitTermination(1, TimeUnit.MINUTES);
        System.exit(0);
    }
}

class RealtimeRecognitionTask implements Runnable {
    private Path filepath;

    public RealtimeRecognitionTask(Path filepath) {
        this.filepath = filepath;
    }

    @Override
    public void run() {
        RecognitionParam param = RecognitionParam.builder()
                // Jika Anda belum mengonfigurasi API Key sebagai variabel lingkungan, ganti apiKey dengan API Key Anda sendiri
                // .apiKey("yourApikey")
                .model("paraformer-realtime-v2")
                .format("wav")
                .sampleRate(16000)
                // "language_hints" hanya didukung oleh model paraformer-realtime-v2
                .parameter("language_hints", new String[]{"zh", "en"})
                .build();
        Recognition recognizer = new Recognition();

        String threadName = Thread.currentThread().getName();

        ResultCallback<RecognitionResult> callback = new ResultCallback<RecognitionResult>() {
            @Override
            public void onEvent(RecognitionResult message) {
                if (message.isSentenceEnd()) {

                    System.out.println(TimeUtils.getTimestamp()+" "+
                            "[proses " + threadName + "] Hasil Akhir:" + message.getSentence().getText());
                } else {
                    System.out.println(TimeUtils.getTimestamp()+" "+
                            "[proses " + threadName + "] Hasil Sementara: " + message.getSentence().getText());
                }
            }

            @Override
            public void onComplete() {
                System.out.println(TimeUtils.getTimestamp()+" "+"[" + threadName + "] Pengenalan selesai");
            }

            @Override
            public void onError(Exception e) {
                System.out.println(TimeUtils.getTimestamp()+" "+
                        "[" + threadName + "] Kesalahan RecognitionCallback: " + e.getMessage());
            }
        };

        try {
            recognizer.call(param, callback);
            // Harap ganti path dengan path file audio Anda
            System.out.println(TimeUtils.getTimestamp()+" "+"[" + threadName + "] Input file_path adalah: " + this.filepath);
            // Baca file dan kirim audio per bagian
            FileInputStream fis = new FileInputStream(this.filepath.toFile());
            // ukuran chunk diatur menjadi 1 detik untuk laju sampel 16KHz
            byte[] buffer = new byte[3200];
            int bytesRead;
            // Loop untuk membaca bagian file
            while ((bytesRead = fis.read(buffer)) != -1) {
                ByteBuffer byteBuffer;
                // Tangani chunk terakhir yang mungkin lebih kecil dari ukuran buffer
                System.out.println(TimeUtils.getTimestamp()+" "+"[" + threadName + "] bytesRead: " + bytesRead);
                if (bytesRead < buffer.length) {
                    byteBuffer = ByteBuffer.wrap(buffer, 0, bytesRead);
                } else {
                    byteBuffer = ByteBuffer.wrap(buffer);
                }

                recognizer.sendAudioFrame(byteBuffer);
                buffer = new byte[3200];
                Thread.sleep(100);
            }
            System.out.println(TimeUtils.getTimestamp()+" "+LocalDateTime.now());
            recognizer.stop();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            // Tutup koneksi WebSocket setelah tugas selesai
            recognizer.getDuplexApi().close(1000, "bye");
        }

        System.out.println(
                "["
                        + threadName
                        + "][Metric] requestId: "
                        + recognizer.getLastRequestId()
                        + ", delay paket pertama ms: "
                        + recognizer.getFirstPackageDelay()
                        + ", delay paket terakhir ms: "
                        + recognizer.getLastPackageDelay());
    }
}