Bluetooth LE Audio for Windows 11 enables simultaneous high-quality stereo audio playback and microphone use on headsets and earbuds. Older classic Bluetooth split audio into A2DP for high-quality playback without microphone and HFP for mono microphone use with lower fidelity. That split caused muffled or garbled game and meeting audio when using a headset mic. LE Audio replaces both profiles with a unified Telephony and Media Profile (TMAP) using the Bluetooth Low Energy specification. LE Audio preserves stereo and spatial audio effects while supporting voice, improving audio fidelity for online games and virtual meeting apps like Microsoft Teams.
Here's a question for those of you who enjoy online multiplayer games: Have you ever tried chatting with a fellow gamer via your Bluetooth headset, only for the sound from the game to become muffled and garbled? That's a common audio problem not just with online games, but with virtual meeting apps like Microsoft Teams. Well, now Microsoft has devised a remedy that replaces an older flavor of Bluetooth with a new and improved version.
The dip in sound quality with the older classic version of Bluetooth occurs because of limitations with its two operating profiles. The Advanced Audio Distribution Profile (A2DP) serves up high-quality audio but doesn't let you use the microphone. The Hands-Free Profile (HFP) lets you use the microphone but plays audio in mono instead of stereo, and with lower quality and fidelity. Without stereo audio, you're unable to hear the spatial audio effects offered in games, movies, music, and virtual meeting apps like Teams.
In a , Microsoft unveiled details on a new Bluetooth streaming tech known as LE (Low Energy) Audio. Created for Windows 11, the new version lets you listen to audio in high quality at the same time you're using your microphone. This means that chatting with someone either during a game or a virtual meeting won't hurt the sound you hear from your headset.
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