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Bluetooth HID is a lightweight wrapper of the human interface device protocol defined for USB. The use of the HID protocol simplifies host implementation (when supported by host operating systems) by re-use of some of the existing support for USB HID in order to support also Bluetooth HID. Keyboard and keypads must be secure.
Quadraphonic sound was a commercial failure when first introduced due to a variety of technical issues and format incompatibilities. Four channel audio formats can be more expensive to produce than standard two-channel stereo. Playback requires additional speakers and amplifier channels. It may also require specially designed decoding equipment.
JVC (short for Japan Victor Company) is a Japanese brand owned by JVCKenwood.Founded in 1927 as the Victor Talking Machine Company of Japan and later as Victor Company of Japan, Ltd. (日本ビクター株式会社, Nihon Bikutā kabushiki gaisha), the company was best known for introducing Japan's first televisions and for developing the Video Home System video recorder.
Mobile phones, Bluetooth headphones, Home receivers Android 10: Bluetooth audio Yes No Yes Yes No L2HC: Huawei: 2020 3.0 (2023-09-19) Non-free Huawei products, EMUI, HarmonyOS: Android 10, OpenHarmony, Oniro OS Bluetooth audio NearLink audio Yes Yes Yes Yes Yes Lyra: Google: 2021-04-06 1.32 / V3 (2022-12-21) Free Google Duo: Lyra: Speech, VoIP ...
Pioneer global network. Pioneer Corporation (パイオニア株式会社, Paionia Kabushiki-gaisha), commonly referred to as Pioneer, is a Japanese multinational corporation based in Tokyo, that specializes in digital entertainment products. The company was founded by Nozomu Matsumoto on January 1, 1938 in Tokyo as a radio and speaker repair shop.
JVC GZ-MG555. The JVC GZ-MG555 camcorder (in North America), also known as the JVC GZ-MG575 (in Asia and Europe), was produced by JVC in 2007. It records standard definition MPEG-2 video onto either a built-in hard disk drive or on a secure digital memory card in MOD format. Video can be recorded in four quality settings: Ultra Fine (720 x 480 ...
Two-channel audio level manual control with VU meter, 2.5″ 200K colour LCD screen, Sockets Include; Lanc, Headphone, Dc In, Microphone, Dv in/out, Av in/out/, USB, S-Video, Consumer camcorders Canon DV 012/Optura 100 MC Optura 100 MC. Canon DV 012 is a single CCD Mini DV camcorder. It was sold in North America under the name Optura 100 MC.
The Bluetooth protocol RFCOMM is a simple set of transport protocols, made on top of the L2CAP protocol, providing emulated RS-232 serial ports (up to sixty simultaneous connections to a Bluetooth device at a time). The protocol is based on the ETSI standard TS 07.10. RFCOMM is sometimes called serial port emulation.