The sound quality during voice calls and gaming chats on Windows 11 has been significantly enhanced. An advanced feature, Bluetooth Low Energy Audio (Bluetooth LE Audio), now supports stereo and superior audio quality when using a microphone.
In simpler terms, although Windows 11 had the capability for Bluetooth Low Energy Audio, it could only be utilized with narrowband audio in mono mode when used for voice transmission.
It’s possible you’ve experienced poor audio quality while using Bluetooth headphones for both listening and speaking on Windows 11, particularly during gaming or when utilizing applications like Microsoft Teams or Discord. This issue can arise in various scenarios where simultaneous use of a microphone is required.
In a recent blog post on Microsoft’s Tech Community, it was clarified that Bluetooth Classic Audio is confined to two profiles: the Advanced Audio Distribution Profile (A2DP) and the Hands-Free Profile (HFP). Notably, A2DP delivers high-quality audio but does not incorporate microphone functionality. On the other hand, HFP enables microphone use but can only produce mono audio of lower quality.
Subsequently, A2DP and HFP have been superseded by Bluetooth Low Energy Audio, a more advanced version that boasts superior audio compression for “super wideband” audio quality (32kHz sample rate while handling voice). However, up until now, this high-fidelity, super wideband audio through Bluetooth LE Audio was only available in mono output.
Enhanced functionality ensures that the sound quality stays crisp while engaging in game chat or platforms such as Microsoft Teams. However, since features like Spatial Audio from Teams need stereo audio, they haven’t been accessible via Bluetooth.
When employing an LE Audio device on a Windows 11 computer equipped with super wideband stereo support, Microsoft explains that the transition to game chat won’t result in a sudden degradation of sound quality anymore.
In this update, the game’s sound will continue in stereo format and broadcast at ultra-wideband quality, representing a substantial enhancement compared to standard Bluetooth audio!
In order to utilize this novel functionality, you’ll need either a Bluetooth headset, earbuds, or an assistive listening device that is compatible with Bluetooth Low Energy (LE) Audio. Additionally, a Windows 11 computer that has LE Audio compatibility is essential. You can verify whether your PC supports this feature by referring to the guide provided by Microsoft.
Additionally, you should consider updating your computer to the Windows 11 Version 24H2. It’s worth noting that you might need to download new audio drivers, which are expected to be released later in the year.
What is Bluetooth LE Audio?
With Bluetooth LE Audio, you can enjoy improved audio quality, reduced latency, and increased power efficiency compared to traditional standards. This means better sound clarity, smoother playback, and longer battery life for your devices.
As a tech-loving individual, I’m excited about the latest feature in Bluetooth LE Audio – the ability to synchronize multiple data streams. This means that when I’m using earbuds, both of them can connect directly to my phone without one having to pass on the data to the other. This feature also enables me to pair just a single earbud if needed, making my wireless audio experience even more seamless!
Over long distances, Bluetooth LE Audio enhances audio quality by employing a feature known as Periodic Advertisement Augmentation. This feature enables devices to verify that data has been successfully transmitted and received, reducing the need for continuous re-transmission of the same data.
Enhancing audio-sharing experiences comes with Bluetooth Low Energy Audio, largely due to an innovative feature called Auracast. This new feature enables the transmission of audio to several devices, for instance, allowing a gym TV to play the same sound on various people’s headphones at once.
Hearing aids also get better battery life and can be smaller when using Bluetooth LE Audio.
In terms of commercial aspects, Bluetooth LE Audio stands out as it doesn’t require licensing fees – a feature that sets it apart from Qualcomm’s aptX technology.
At What Hi-Fi, our team delves into the historical background and intricate specifications of Bluetooth LE Audio, providing a comprehensive overview of this technology.
For a device to utilize Bluetooth LE Audio, it needs to be compatible with Bluetooth 5.2 or any versions that followed. However, simply possessing the most recent Bluetooth version does not automatically ensure that the feature is supported.
To note, top-of-the-line models like Bose’s QuietComfort Ultra earbuds don’t currently support Bluetooth Low Energy Audio (LE Audio). It’s important to verify if this feature is compatible with your particular device before use.
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2025-09-02 15:11