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Most Bluetooth headsets implement both Hands-Free Profile and Headset Profile, because of the extra features in HFP for use with a mobile phone, such as last number redial, call waiting and voice dialing. The mobile phone side of an HFP link is Audio Gateway or HFP Server. The automobile side of HFP link is Car Kit or HFP Client.
The "Bluetooth Headset Series 2" was sold from 2011 until 2015. [ 25 ] [ 26 ] Compared with its predecessor, the Series 2 included A2DP and a revised ambient noise sensing system. The Series 2 model was judged a "solid performer" and praised for improved call quality (presumably due to the inclusion of A2DP), however, the criticisms of lack of ...
For example, when you use a mobile phone with a Bluetooth headset, the phone uses SDP to determine which Bluetooth profiles the headset can use (Headset Profile, Hands Free Profile (HFP), Advanced Audio Distribution Profile (A2DP) etc.) and the protocol multiplexer settings needed for the phone to connect to the headset using each of them.
SBC, or low-complexity subband codec, is an audio subband codec specified by the Bluetooth Special Interest Group (SIG) for the Advanced Audio Distribution Profile (A2DP). [1] SBC is a digital audio encoder and decoder used to transfer data to Bluetooth audio output devices like headphones or loudspeakers. It can also be used on the Internet. [2]
Plantronics manufactures mobile headsets, including a line of Bluetooth headsets for mobile phones. The Pulsar 590 , for example, is designed for use with Bluetooth- and A2DP -enabled cellphones. Computer and gaming headsets
The YP-R1 has a bluetooth 2.0 + EDR chip which supports several profiles including A2DP, AVRCP, HFP, Object Push etc... [3] As a result, it is possible to receive and emit phone calls on the R1 over bluetooth, to send and receive files or to listen to music with a stereo bluetooth headset.