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Headsets using Bluetooth v1.0 or v1.1 generally consist of a single monaural earpiece, which can only access Bluetooth's headset/handsfree profile. Depending on the phone's operating system, this type of headset will either play music at a very low quality (suitable for voice) or will be unable to play music at all.
Headset with an integrated microphone blocker also exist, allowing users to use the headphones (ie. for listening to music) without risking being eavesdropped. Microphone blocking adapters are phone connectors adapters with a microphone channel and a mechanism that produces a false positive signal simulating a connected microphone.
A newer type of adapter is a type of MP3 player shaped like a cassette tape, [4] [5] which can be used as a stand-alone MP3 player with headphones or inserted as a cassette into the cassette player, where it can be used with a remote control. These usually have a double-sided head which means they can work in both directions.
For example, Bluetooth MAP is used by HP Send and receive text (SMS) messages from a Palm/HP smartphone to an HP TouchPad tablet. [23] Bluetooth MAP is used by Ford in select SYNC Generation 1-equipped 2011 and 2012 vehicles [24] and also by BMW with many of their iDrive systems. The Lexus LX and GS 2013 models both also support MAP as does the ...
The Realistic name carried on into 1994 as the rest of the Tandy-produced stock was slowly being sold off. In that year, all outsourced audio equipment formerly bearing the Realistic name would carry the Radio Shack name, and the video equipment was renamed to Optimus, another private label audio equipment brand sold by the company since 1967.
Chinese phone manufacturers were early in not using a phone socket: first with Oppo's Finder in July 2012 (which came packaged with micro-USB headphones and supported Bluetooth headphones), followed by Vivo's X5Max in 2014 and LeEco in April 2016 and Lenovo's Moto Z in September 2016. [40]
LDAC is an alternative to Bluetooth SIG's SBC codec. Its main competitors are Huawei's L2HC, Qualcomm's aptX-HD/aptX Adaptive and the HWA Union/Savitech's LHDC. [1]LDAC utilizes a type of lossy compression [2] [3] by employing a hybrid coding scheme based on the modified discrete cosine transform [4] and Huffman coding [5] to provide more efficient data compression.
Headphones on a stand. Headphones are a pair of small loudspeaker drivers worn on or around the head over a user's ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Headphones let a single user listen to an audio source privately, in contrast to a loudspeaker, which emits sound into the ...