Java调用百度云语音识别【音频转写】

百度云文档  ttps://ai.baidu.com/ai-doc/SPEECH/Bk5difx01

示例代码: 

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import lombok.extern.slf4j.Slf4j;
import okhttp3.*;
import org.json.JSONObject;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.concurrent.TimeUnit;/*** 语音识别*/
@Slf4j
@Component
public class AasrUtils {public static final String API_KEY = "U92RRV****ag9xZv";public static final String SECRET_KEY = "SU05xD****0ziDkM";static final OkHttpClient HTTP_CLIENT = new OkHttpClient.Builder().connectTimeout(60, TimeUnit.SECONDS) // Set the connection timeout.readTimeout(300, TimeUnit.SECONDS)    // Set the read timeout.build();/*** 音频转写** @param speechUrl  音频url, 音频大小不超过500MB* @return* @throws IOException*/private static String createAasr(String speechUrl) throws IOException {MediaType mediaType = MediaType.parse("application/json");RequestBody body = RequestBody.create(mediaType, "{\n" +"    \"speech_url\": \"" + speechUrl + "\",\n" +"    \"format\": \"mp3\",\n" +"    \"pid\": 80001,\n" +"    \"rate\": 16000\n" +"}");Request request = new Request.Builder().url("https://aip.baidubce.com/rpc/2.0/aasr/v1/create?access_token=" + getAccessToken()).post(body).addHeader("Content-Type", "application/json").addHeader("Accept", "application/json").build();try (Response response = HTTP_CLIENT.newCall(request).execute()) {if (response.isSuccessful()) {String responseBody = response.body().string();log.info("创建ASR任务响应: {}", responseBody);String taskId = JSON.parseObject(responseBody).getString("task_id");return taskId;} else {log.info("创建ASR任务失败: {}", response.code());return null;}}}private static String checkASRStatus(String taskId) throws IOException {if (StringUtils.isEmpty(taskId)) {return "";}String taskStatus = "";while (!("Success".equals(taskStatus) || "Failed".equals(taskStatus))) {// Add a delay before the next querytry {Thread.sleep(3000); // Sleep for 3 seconds (adjust as needed)} catch (InterruptedException e) {e.printStackTrace();}HashMap<String, Object> map = new HashMap<>();ArrayList<Object> list = new ArrayList<>();list.add(taskId);map.put("task_ids", list);JSONObject jsonObject = new JSONObject(map);String toJSON = jsonObject.toString();MediaType mediaType = MediaType.parse("application/json");RequestBody body = RequestBody.create(mediaType, toJSON);Request request = new Request.Builder().url("https://aip.baidubce.com/rpc/2.0/aasr/v1/query?access_token=" + getAccessToken()).method("POST", body).addHeader("Content-Type", "application/json").addHeader("Accept", "application/json").build();try (Response response = HTTP_CLIENT.newCall(request).execute()) {if (response.isSuccessful()) {String responseBody = response.body().string();log.info("创建AACR任务响应: {}", responseBody);JSONArray tasksInfo = JSON.parseObject(responseBody).getJSONArray("tasks_info");if (tasksInfo.size() > 0) {com.alibaba.fastjson.JSONObject taskInfo = tasksInfo.getJSONObject(0);taskStatus = taskInfo.getString("task_status");if ("Success".equals(taskStatus)) {String resultText = taskInfo.getJSONObject("task_result").getString("result");log.info("语音转文字: {}", resultText);return resultText;} else if ("Failed".equals(taskStatus)) {log.info("任务失败: {}", taskStatus);}} else {log.info("未找到任务信息");}} else {log.info("检查任务状态失败: {}", response.code());}} catch (IOException e) {e.printStackTrace();}}return "";}/*** 从用户的AK，SK生成鉴权签名（Access Token）** @return 鉴权签名（Access Token）* @throws IOException IO异常*/static String getAccessToken() throws IOException {MediaType mediaType = MediaType.parse("application/x-www-form-urlencoded");RequestBody body = RequestBody.create(mediaType, "grant_type=client_credentials&client_id=" + API_KEY+ "&client_secret=" + SECRET_KEY);Request request = new Request.Builder().url("https://aip.baidubce.com/oauth/2.0/token").method("POST", body).addHeader("Content-Type", "application/x-www-form-urlencoded").build();Response response = HTTP_CLIENT.newCall(request).execute();String access_token = new JSONObject(response.body().string()).getString("access_token");return access_token;}public static void main(String[] args) throws IOException {checkASRStatus(createAasr("https://openai-demo-1319322874.cos.na-siliconvalley.myqcloud.com/audio/2023-12-05/1701764504763878.mp3"));checkASRStatus(createAasr("https://aipe-speech.bj.bcebos.com/text_to_speech/2024-01-04/65966e5370172800014d6524/speech/0.mp3?authorization=bce-auth-v1%2F8a6ca9b78c124d89bb6bca18c6fc5944%2F2024-01-04T08%3A38%3A04Z%2F259200%2F%2F7ca69d814bacad356114a0ff7573734c5ceb20b363dee6c2e971b16617787ac4"));}}