TTS 返回语音优化

vetti-admin/src/main/java/com/vetti/socket/ChatWebSocketHandler.java

@@ -136,7 +136,7 @@ public class ChatWebSocketHandler {
                             log.info("2、开始进行AI回答时间:{}",System.currentTimeMillis()/1000);
                             //把结果文字转成语音文件
                             //生成文件
-                            // 生成唯一文件名
+                            //生成唯一文件名
                             String resultFileName = clientId + "_" + System.currentTimeMillis() + ".opus";
                             String resultPathUrl = RuoYiConfig.getProfile() + VOICE_STORAGE_RESULT_DIR + resultFileName;
                             ElevenLabsClient elevenLabsClient = SpringUtils.getBean(ElevenLabsClient.class);
@@ -144,8 +144,10 @@ public class ChatWebSocketHandler {
                             log.info("3、开始进行AI回答时间:{}",System.currentTimeMillis()/1000);
                             //持续返回数据流给客户端
                             try {
+                                String resultOutPathUrl = RuoYiConfig.getProfile() + VOICE_STORAGE_RESULT_DIR + "123_"+resultFileName;
+                                removeSilence(resultPathUrl, resultOutPathUrl);
                                 //文件转换成文件流
-                                ByteBuffer outByteBuffer = convertFileToByteBuffer(resultPathUrl);
+                                ByteBuffer outByteBuffer = convertFileToByteBuffer(resultOutPathUrl);
                                 //发送文件流数据
                                 session.getBasicRemote().sendBinary(outByteBuffer);
                                 // 发送响应确认
@@ -404,5 +406,26 @@ public class ChatWebSocketHandler {
         }
     }
 
+    public void removeSilence(String inputFile, String outputFile) {
+        try {
+            // FFmpeg 命令，去除音频后面的静音部分
+            String command = "ffmpeg -i " + inputFile +
+                    " -af silenceremove=start_periods=1:start_duration=0.2:start_threshold=-40dB " +
+                    "-af silenceremove=end_periods=1:end_duration=0.2:end_threshold=-40dB " +
+                    outputFile;
+
+            // 执行命令
+            Process process = Runtime.getRuntime().exec(command);
+            int exitCode = process.waitFor();
+            if (exitCode == 0) {
+                System.out.println("静音部分已去除");
+            } else {
+                System.out.println("音频处理失败");
+            }
+        } catch (IOException | InterruptedException e) {
+            e.printStackTrace();
+        }
+    }
+
 }