Microsoft is bringing the AAC Bluetooth audio codec to Windows 10


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Aug 17, 2014
Microsoft has added AAC (Advanced Audio Coding) support for Bluetooth audio devices to the latest Windows 10 build released for Insiders in the Dev Channel.

AAC is a lossy audio codec used by Apple devices (e.g., iPhones, iPads) and audio streaming platforms to provide high-quality audio streaming at low bitrates.

"Enjoy premium audio streaming quality wirelessly on your Bluetooth headphones and speakers with AAC codec," Microsoft's Amanda Langowski and Brandon LeBlanc said.

Besides adding AAC codec support, Microsoft has also changed the way you switch between different audio device endpoints, merging all endpoints for each audio playback device into a single entry.

"No more clicking through multiple audio endpoints to make your Bluetooth headset's voice and mic work properly," Microsoft added.

"We now only expose one audio endpoint in the UI and will switch to the correct one automatically for you for a seamless experience."
For instance, the taskbar sound menu will now allow Insiders to control the volume for the headset or the headphones profile depending on the context (e.g., listening to music or videoconferencing).

Unied audio endpoint

Unified audio endpoint (Microsoft)

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