A high pitched noise is heard when using Bluetooth headphones in Windows 8
This article provides a solution to an issue where a high pitched noise is heard when using Bluetooth headphones.
Applies to: Windows 8
Original KB number: 2800101
Consider the following scenario:
- You have Windows 8 installed on a computer with a Bluetooth transceiver.
- You have Bluetooth A2DP headphones or speakers paired to the Bluetooth transceiver on the computer.
- Music or audio is streamed to the headphones or speakers.
In this scenario, you may hear a high pitched noise coming from the Bluetooth A2DP audio output device. This noise is audible even if the volume of the output device is set to 0.
This issue is fixed by going to Windows Update and installing the latest important updates for your computer. If Windows Update is unavailable for your computer, a stand-alone cumulative update package for Windows 8 that has fixes to address this issue and others can be found on the Microsoft Download Center and then searching for KB2785094.
Advanced Audio Distribution Profile (A2DP) is a profile that defines how high-quality audio is streamed to a device over a Bluetooth connection.