ByJoe Horner 2019-09-27 4413
Kirin A1 is Huawei's first wearable chip that supports both wireless audio devices and smartwatches and is certified by Bluetooth 5.1 and Bluetooth low Power 5.1 standards.
Bluetooth processing unit, audio processing unit, ultra-low-power application processor and independent efficient power management unit are integrated on the small size of 4.3x4.4mm.
In order to solve the problem of stutter and disconnection of headphones caused by Bluetooth and signal interference, Kirin AI self-developed dual-channel synchronous transmission technology, which can enable two headphones to obtain signals from the left and right channels directly from the mobile phone and communicate directly with the mobile phone. Interference is also avoided between the two headphones, reducing synchronous transmission power consumption by 50% and delay by 30%.
Kirin A1 chips are smaller than the recently released Kirin 990s and Apple's H1 chips, with 30 percent higher performance but 50% lower power consumption than Apple's AirPods, and 95% of the package size of AirPods H1 wireless chips, according to Huawei officials.
At the same time, HUAWEI Kirin A1 has also obtained Bluetooth 5.1 and Bluetooth low power 5.1 standard certifications. Compared with other chips on the market, Kirin A1 chips have synchronous dual-channel Bluetooth data transmission technology, lower latency, and lower power consumption architecture, helping to provide optimal performance.
The main internal components of Kirin A1 chip include AP, RAM, Bluetooth, DSP, sensor matrix, power management module and so on. Kirin A1 chip has an efficient and stable connection and excellent anti-jamming ability. Because it can also provide the fastest Bluetooth transmission speed in real-time, up to 6.5Mbps. The chip can output Bluetooth ultra high definition audio (BT-UHD) up to 2.3 Mbps for optimal sound quality.
In addition, Huawei officials say Kirin A1 chips can be used in devices such as wireless headphones, neck-mounted headphones, smart speakers, smart glasses and smartwatches.
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