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Headphone Bluetooth Chaos: Why Multipoint Fails
3 Jun
Summary
- Bluetooth multipoint isn't an official feature but a manufacturer application.
- Inconsistent switching occurs due to varied implementations by companies.
- LE Audio offers potential improvements for future Bluetooth connectivity.
Dual-device wireless connectivity for headphones and earbuds, commonly marketed as 'multipoint,' is often unreliable. This is because multipoint is not an official Bluetooth specification but an application of existing Bluetooth features, with each manufacturer implementing it uniquely. This divergence in application leads to inconsistent performance, causing devices to disconnect unexpectedly or interrupt audio streams.
For instance, switching between a laptop for media and a phone for calls can be problematic. While Bluetooth profiles like A2DP and HFP are used, their prioritization is left to the device manufacturer. This inconsistency is less prevalent in closed ecosystems like Apple's or Samsung's, where manufacturers control the entire device chain, enabling smoother transitions.
The evolution to LE Audio, utilizing modern profiles like TMAP and BAP, promises to improve audio quality, connection stability, and power efficiency. While LE Audio doesn't directly replace multipoint, its underlying advancements are expected to enhance the overall user experience for managing multiple audio sources more reliably in the future.
