Bluetooth Development Services
10 years have passed since the birth of bluetooth technology. Recently the technology has been gaining appreciation because of the spread of smartphones. ACTIVE BRAINS has been involved in developing bluetooth-related products since 2000. Going to the main point, now I will provide an easy explaination about the bluetooth technology.
Advantages of Bluetooth
Bluetooth technology is low energy, compact and lightweight. It is intended for portable equipments and applications from the beginning.
Bluetooth technology is optimized for wireless comunication in short ranges of up to 100 meters. It achieves both low price of hardware and satisfying performance as short range wireless comunication.
Two devices which fulfill only a same bluetooth profile can connect each other easily. "Bluetooth profiles" are specifications regarding specific uses of bluetooth comunication between bluetooth devices.
Play Music over Bluetooth
One of the main useage of bluetooth is playing music over bluetooth. Connecting an audio source such as a phone or a media player to an audio sink such as a headphone or a speaker, you can not just playing music, but also controling a remote device.
・A2DP(Advanced Audio Distribution Profile)
・AVRCP(Audio/Video Remote Control Profile)
Call over Bluetooth
You can make a handsfree call without taking your phone from your pocket or bag. Smartphones are normally compatible with A2DP, AVRCP and HFP. So you can do both playing music and waiting for a phone call at the same time. When you receive a phone call, music sound will be switched to phone voice.
・HFP(Hands Free Profile)
・PBAP(Phone Book Access Profile)
Smartphone Applications with Bluetooth
Cooperating with a smartphone application, bluetooth devices may have more appealing functions. Although most embedded devices have only essential user interfaces, they may provide a lot of functions with smartphone applications.
・SPP(Serial Port Profile)