1

huaian/demo.html

@@ -346,7 +346,7 @@
     <script src="js/util.js?1212"></script>
     <script src="js/vue.min.js"></script>
     <script src="js/vant.min.js"></script>
-    <script src="js/demo.js?0202110"></script>
+    <script src="js/demo.js?04431233311"></script>
 </body>
 
 </html>
\ No newline at end of file

huaian/js/demo.js

@@ -261,6 +261,7 @@ function getProcess(){
         setTimeout(()=>{
           $("#mp3Source").attr('src', voiceUrl)
           $("#mp3Source")[0].play()
+          //promptAndMute()
         },350)
       }
       audioSet(false)
@@ -1034,7 +1035,15 @@ async function init(){
 
     await this.room.localParticipant.setCameraEnabled(true)
     util.toast('摄像头开启成功')
-    await this.room.localParticipant.setMicrophoneEnabled(true)
+    await this.room.localParticipant.setMicrophoneEnabled(true,{
+      echoCancellation : true, 
+      noiseSuppression : true,
+      autoGainControl  : true,
+
+      // 关键：把“播放”通道排除掉，避免浏览器混音
+      channelCount     : 1,
+      sampleRate       : 48000,
+    })
     util.toast('麦克风开启成功')
 
     // await room.localParticipant.enableCameraAndMicrophone()
@@ -1060,6 +1069,36 @@ async function init(){
     $('#livekit-dummy-audio-el').remove();
   },1000)
 }
+
+  //华为杂音处理代码
+  function playPrompt(buffer) {
+    const offCtx = new OfflineAudioContext(1, buffer.sampleRate * 0.02, buffer.sampleRate);
+    const src = offCtx.createBufferSource();
+    src.buffer = buffer;
+    src.connect(offCtx.destination);
+    src.start();
+    offCtx.startRendering().then(() => {
+      // 真正播放
+      const src2 = audioCtx.createBufferSource();
+      src2.buffer = buffer;
+      src2.connect(gainNode);
+      src2.start();
+    });
+  }
+  function promptAndMute(buffer) {
+  // 1. 正确获取麦克风轨道（使用 LivekitClient 命名空间）
+  const micPub = room.localParticipant.getTrackPublication(LivekitClient.Track.Source.Microphone);
+    const micTrack = micPub?.track;
+
+    // 2. 瞬时静音 → 播放 → 恢复
+    if (micTrack) micTrack.mediaStreamTrack.enabled = false;
+    playPrompt(buffer);
+    setTimeout(() => {
+      if (micTrack) micTrack.mediaStreamTrack.enabled = true;
+    }, 380);
+  }
+  //华为杂音处理代码
+
 function handleLocalTrackPublished(publication, participant) {
   console.log(`本地轨道已发布: ${publication.trackName || publication.source}`);