How to Test LC3 Codec Support for Bluetooth LE Audio on Windows 11

Windows 11 includes support for Bluetooth Low Energy Audio, which uses the LC3 codec for improved audio quality and lower power consumption. However, not all Bluetooth adapters and headphones support this new standard. You need to verify that your system has the correct hardware and driver support before you can use LC3 audio. This article … Read more

Why Communication Mode Mutes Background Apps During a Teams Call on Windows 11

When you join a Microsoft Teams call on Windows 11, you might notice that other apps like Spotify, YouTube, or a game suddenly go silent. This happens because Windows 11 automatically enters Communication Mode as soon as Teams detects an active call. Communication Mode is a built-in audio behavior that reduces or mutes all other … Read more

Why AudioEndpointBuilder Crashes on Wake From Hibernate on Windows 11

After resuming from hibernate, your Windows 11 computer may lose all sound output. The system tray speaker icon shows a red X, and apps report no audio device. This problem occurs because the AudioEndpointBuilder service, which manages audio endpoints like speakers and headphones, crashes or fails to restart during the wake process. The crash is … Read more

Fix Game Audio Routing to Speakers Instead of a Headset on Windows 11

When you connect a headset to your Windows 11 PC, games sometimes continue sending sound to external speakers instead of the headset. This happens because Windows 11 can assign the wrong audio device as the default for specific applications. The issue is common with USB headsets, Bluetooth headsets, and analog headsets connected through a combo … Read more

Why Discord Voice Switches Output Device Mid-Call on Windows 11

Discord voice chat suddenly switches your audio output device while you are in the middle of a call. This can happen when Windows 11 changes the default playback device, or when Discord detects a new audio endpoint and automatically reroutes audio. The root cause is typically a combination of Windows audio device priority settings, Discord’s … Read more