![]() Before 5.3 only Central device could perform channel clarification, so Peripheral device could interfere with other things in 2.4 GHz spectrum like neighbor's Wi-Fi, and Central device in other part of the room wouldn't know anything about that, continuing to use bad channel. One important update is that Bluetooth LE Peripheral devices (headphones) now can provide a connected Central device (smartphone) channel clarification data. ![]() Moreover, now earbuds can connect to many devices simultaneously, reducing the lag between switching devices.Īlso, better latency, better connection reliability, more power efficient, improved coexistence with other types of 2.4 GHz wireless devices (not necessarily Bluetooth).ĥ.3 update seems really technical. Now both earbuds connect to the phone directly. smartphone, and second earbud connected to the main one. However, LC3 isn't equal lossless, it's just an efficient way of transmitting audio over Bluetooth LE connection.Įarlier, a leading earbud connected to audio source i.e. LE Audio works over new LC3 codec which sounds better than older SBC codec while using just a half of bitrate. To me, 5.2 looks like a major update.ĥ.1 introduces calculation direction from which a received signal was transmitted - similar technology is used in Apple's UWB chip, it shows tag's location on smartphone.Īlso, better user experience and energy efficiency in some scenarios.ĥ.2 introduces isochronous channels which enable LE Audio, which in its turn eventually will provide access to Auracast devices. ![]() 5.2 improvements made it possible to introduce LE Audio and LC3 codec. Bluetooth is shifting to Bluetooth LE (Low Energy), and majority of the improvements starting from 5.0 version are related to development of LE-related scenarios.
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