The Bluetooth SIG has completed the development of the Bluetooth LE Audio specifications, a new set of feature capabilities for Bluetooth devices. This should make headphones and wireless speakers more energy efficient, functional, and improve sound quality.
Bluetooth LE Audio was announced back in early 2020, and the Bluetooth SIG initially hoped that supported devices would be released before the end of this year. But due to the pandemic, the dates had to be shifted.
One of the innovations for Bluetooth LE Audio is the new LC3 audio codec, which is designed to be a much more efficient way to transmit audio. This means better sound quality for the same bandwidth. It is claimed that the sound will be better than the SBC, while you can even reduce the transfer rate, while the quality does not suffer much. But you can save battery life this way.
In addition to the new codec, LE Audio supports the ability to connect multiple audio devices to a single source. This feature is called Auracast, and it essentially allows you to connect multiple headphones to the same audio source. For example, in the gym.
Other features include improved support for TWS headphones, as Bluetooth LE Audio allows each individual earbud to maintain a separate connection to an audio source.
In addition, Qualcomm recently announced the aptX Lossless standard, which will also improve sound quality. However, it is not yet clear which existing devices will receive support for such a system. Bluetooth LE Audio is expected to arrive in Android 13 and iOS 16.
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