diff --git a/src/components/VoiceRecorder.vue b/src/components/VoiceRecorder.vue
index bfac14d..bca72f0 100644
--- a/src/components/VoiceRecorder.vue
+++ b/src/components/VoiceRecorder.vue
@@ -330,8 +330,8 @@ export default {
     startRecording() {
       var constraints = {
         audio: {
-          channelCount: 1,
-          sampleRate: 16000,
+        //  channelCount: 1,
+        //  sampleRate: 16000,
           echoCancellation: false,
           autoGainControl: true,
           noiseSuppression: true,
@@ -344,7 +344,7 @@ export default {
         .then((stream) => {
           this.recorder = RecordRTC(stream, {
             type: "audio",
-            mimeType: "audio/webm",
+            mimeType: "audio/webm;codecs=pcm",
           });
           this.recorder.startRecording();
           this.state = State.RECORDING;