195869 2019-03-17 18:37:26 -0700 Volume reduced after plugin / plug out headphone 2019-04-04 15:14:34 -0700 1 1 1 Unclassified WebKit WebRTC Safari 12 Mac macOS 10.13 NEW InRadar P2 Major --- 1 jimmy.xu webkit-unassigned eric.carlson jer.noble jonlee webkit-bug-importer youennf oldest_to_newest 1517592 0 jimmy.xu 2019-03-17 18:37:26 -0700 Volume of whole Mac OS reduced automatically after pluin / plug out headphone during WebRTC call Reproduce steps: 1. Goto WebRTC example site: appr.tc 2. Start a WebRTC meeting 3. Other device join the meeting and make sure both side can hear / see each other. 4. Make sure the system audio volume is max. 5. Plug in headphone 6. Plug out headphone Actual behavior: After step 6. The volume is reduced a lot and user can hardly hear other side. Expected behavior: The volume should not be affected after step 6. Mac OS: High Sierra. 10.13.6 Safari: Version 12.0 (13606.2.11) 1518067 1 webkit-bug-importer 2019-03-18 18:54:49 -0700 <rdar://problem/49003740>