""When using an LE Audio device with a Windows 11 PC that supports super wideband stereo, the switch into game chat no longer causes an abrupt drop in audio quality," explains Mike Ajax, a principal program manager lead at Microsoft. Game audio will remain in stereo and stream at super wideband quality, instead of the limited experience of Bluetooth Classic."
"LE Audio uses a 32kHz sample rate while using voice apps like Teams or Discord, and replaces the Advanced Audio Distribution Profile (A2DP) and Hands-Free Profile (HFP) of Bluetooth Classic. HFP used a 8kHz sample rate and resulted in muffled audio, but most Bluetooth headsets now support improve audio compression and a better sample rate for "wideband" or "super wideband" voice."
"The LE Audio support will also improve calls in apps like Microsoft Teams. While Teams uses Spatial Audio for wired headsets, it depends on stereo audio and hasn't previously been supported on Bluetooth headsets. The super wideband stereo support over Bluetooth LE Audio enables Spatial Audio in Teams, and can be toggled on in the audio settings inside the Teams client on Windows."
Windows 11 will support Bluetooth LE Audio to improve muffled headset audio by using a modern compression algorithm and higher sample rates. LE Audio uses a 32kHz sample rate for voice apps and replaces legacy Bluetooth Classic profiles A2DP and HFP, which used an 8kHz rate and produced muffled voice. Game audio will remain in stereo and stream at super wideband quality during game chat, avoiding abrupt drops in fidelity. Super wideband stereo over LE Audio enables Spatial Audio in Microsoft Teams for Bluetooth headsets. Compatible headsets, updated drivers, and Windows 11 24H2 are required.
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