Android is set to make a significant breakthrough in call quality with the introduction of ultra-wideband voice technology. The technology promises to make Bluetooth calls clearer and more realistic, thus enhancing communication experiences. Bluetooth technology has come a long way in the recent past, and it has become increasingly popular for listening to music. However, Bluetooth calls have remained average, and the experience is even worse when making calls while driving. With the integration of ultra-wideband voice technology, Android aims to transform the in-car devices' calling experience, making it more seamless and enjoyable.
Recent Developments in Bluetooth Hands-Free Profile v1.9
Android expert Mishaal Rahman discovered a new patch in the Android Open Source Project repository. The patch implements functionality related to Bluetooth Hands-Free Profile v1.9, which is still in the draft stage. The configuration file expands the frequency range transmitted by hands-free equipment from the current wideband voice (50Hz-7kHz) to ultra-wideband voice (50Hz-14kHz), with the implementation of the relatively newer LC3 codec. However, the implementation does not achieve full bandwidth reproduction (20Hz-20kHz), which is what most consumer-grade Bluetooth audio devices can achieve.
Implications of the Ultra-Wideband Voice Technology for Bluetooth Calls
The introduction of ultra-wideband voice technology in Bluetooth calls is a significant milestone in call quality. With the technology, voice calls will become more realistic and clear, making it easier to communicate. The technology will significantly enhance in-car communication experiences, reducing the need to stop or pull over when making or receiving calls. In addition, it will reduce distractions while driving, leading to increased road safety.
Hardware Manufacturers' Follow-Up
While the integration of ultra-wideband voice technology is a significant milestone, hardware manufacturers must follow up. They need to ensure that their devices support the new technology to reap its benefits fully. Users will have to ensure that their devices support the technology, and in case of an upgrade, they need to upgrade their devices to enjoy the new technology fully.
Google is preparing to add "Super Wideband" (SWB) Speech support to Android's Bluetooth stack which (I assume) enables even higher-quality voice transmission over the Bluetooth Hands-Free Profile (HFP)!
— Mishaal Rahman (@MishaalRahman) April 14, 2023
H/T @luca020400 pic.twitter.com/PJPTUrlUZi
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