1

huaian/demo.html

@@ -78,17 +78,7 @@
                 </div>
             </div>
         
-            <div class="swDown" id="tipDiv" style="display: flex;">
-                <div class="box">
-                    <label>麦克风</label>
-                    <select id="micSelect"></select>
-                </div>
-
-                <div class="box">
-                    <label>扬声器</label>
-                    <select id="spkSelect"></select>
-                </div>
-
+            <div class="swDown" id="tipDiv">
                 <div class="buttDiv" style="flex-grow: 1;">
                     <div class="one none clickButt" id="readButt" key="ok">准备好了</div>
 

huaian/js/demo.js

@@ -1035,15 +1035,7 @@ async function init(){
 
     await this.room.localParticipant.setCameraEnabled(true)
     util.toast('摄像头开启成功')
-    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,
-    })
+    await this.room.localParticipant.setMicrophoneEnabled(true)
     util.toast('麦克风开启成功')
 
     // await room.localParticipant.enableCameraAndMicrophone()
@@ -1082,101 +1074,6 @@ async function init(){
   },2000)
 }
 
-  //华为杂音处理代码
-  /* ========== 工具函数 ========== */
-// 获取全部音频设备
-async function getAudioDevices(){
-  // 必须提前拿到一次用户媒体，否则 label 为空
-  if (!navigator.mediaDevices || !navigator.mediaDevices.enumerateDevices){
-    alert('浏览器不支持 enumerateDevices');
-    return;
-  }
-  await navigator.mediaDevices.getUserMedia({audio:true});
-  const devices = await navigator.mediaDevices.enumerateDevices();
-
-  devices.forEach((item,index)=>{
-    if(!item.label){
-      item.label = item.kind + index
-    }
-  })
-
-  console.log('麦克风和音频轨道输出')
-  console.log(devices)
-  console.log('麦克风和音频轨道输出')
-
-  return {
-    mics: devices.filter(d=>d.kind==='audioinput'),
-    spks: devices.filter(d=>d.kind==='audiooutput')
-  };
-}
-
-// 切换麦克风
-async function changeMic(deviceId){
-  // 先停掉旧轨道
-  if (window.currentMicStream){
-    window.currentMicStream.getTracks().forEach(t=>t.stop());
-  }
-  // 新轨道
-  const stream = await navigator.mediaDevices.getUserMedia({
-    audio:{deviceId:deviceId?{exact:deviceId}:undefined}
-  });
-  window.currentMicStream = stream;
-  console.log('已切换到麦克风：',deviceId||'default');
-}
-
-// 切换扬声器（WebAudio）
-async function changeSpk(deviceId){
-  if (!window.audioCtx){
-    window.audioCtx = new (window.AudioContext||window.webkitAudioContext)();
-  }
-  const ctx = window.audioCtx;
-  // Chrome/Edge 110+ 才支持 setSinkId
-  if (typeof ctx.setSinkId === 'function'){
-    await ctx.setSinkId(deviceId);
-    console.log('已切换到扬声器：',deviceId||'default');
-  }else{
-    console.warn('浏览器不支持 WebAudio setSinkId，切换未生效');
-  }
-}
-
-/* ========== UI 渲染 ========== */
-function renderSelect($select, devices, type){
-  $select.empty();
-  devices.forEach(d=>{
-    $select.append(`<option value="${d.deviceId}">${d.label||'未知设备'}</option>`);
-  });
-  // 默认选中第一项（系统默认）
-  $select.prop('selectedIndex',0);
-}
-
-  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}`);