Bluetooth and Android
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Bluetooth LE Audio Supports LC3 Codec, Multi-stream & Broadcast Audio, Nordic Semi Evaluation Kit Unveiled
I first heard about Bluetooth LE (Low Energy)- part of Bluetooth 4.0- in 2013 with RFDuino board, and it came to prominence once Android 4.3 added support later this year.
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Bluetooth will support hearing aids, sharing, and a better audio codec
The feature that will likely affect the most people is the new “Low Complexity Communication Codec,” or LC3. LC3 simultaneously reduces power consumption while increasing audio quality. Right now, the lowest common denominator for Bluetooth audio is the relatively old and relatively bad SBC codec, though many phones support Qualcomm’s proprietary codec, AptX.
In order to get SBC to sound good, you have to increase the bitrate, which increases power consumption. The Bluetooth SIG claims that, in its testing, users preferred the new LC3 codec, even at significantly lower bitrates.
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The New Version of Bluetooth Is Here to Fix Your Headphones
Today at CES, the Bluetooth Special Interest Group announced that a few new capabilities will be coming to its namesake technology. These enhancements will be rolled into Bluetooth as a set of features known as LE Audio. That LE stands for “low energy,” and the goal for the update is to allow a standard Bluetooth signal to better manage and share wireless audio streams between devices without overworking the batteries in your phone, your smartwatch, or your headphones.
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