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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.
The Headset Profile (HSP) connects headphones and earbuds to a cell phone or laptop. The Health Device Profile (HDP) can connect a cell phone to a digital thermometer or heart rate detector. The Video Distribution Profile (VDP) sends a video stream from a video camera to a TV screen or a recording device.
The LG Optimus 7 (also known as the LG-E900) is a slate smartphone which runs Microsoft's Windows Phone operating system. The Optimus 7 is part of the first-generation Windows Phone line-up launched in October 2010.
iPhone models from the iPhone 7 to the iPhone X also shipped with a Lightning-to-3.5mm headphone jack adapter, enabling customers to connect 3.5mm headphones to a Lightning port. Thanks to an iOS update (iOS 10.3), it is backwards compatible, meaning it can be used with any previous device with a Lightning port (from iPhone 5 onwards).
Headphones that use cables typically have either a 1 ⁄ 4 inch (6.4 mm) or 1 ⁄ 8 inch (3.2 mm) phone jack for plugging the headphones into the audio source. Some headphones are wireless, using Bluetooth connectivity to receive the audio signal by radio waves from source devices like cellphones and digital players. [ 5 ]
This article lists American military electronic instruments/systems along with brief descriptions. This list specifically identifies electronic devices which are assigned designations according to the Joint Electronics Type Designation System, beginning with the AN/ prefix.
Another type of normalization is based on a measure of loudness, wherein the gain is changed to bring the average loudness to a target level. This average may be approximate, such as a simple measurement of average power (e.g. RMS), or more accurate, such as a measure that addresses human perception e.g. that defined by EBU R128 and offered by ReplayGain, Sound Check and GoldWave.
The Cray T90 series (code-named Triton during development) was the last of a line of vector processing supercomputers manufactured by Cray Research, Inc, superseding the Cray C90 series. The first machines were shipped in 1995, and featured a 2.2 ns (450 MHz) clock cycle and two-wide vector pipes, for a peak speed of 1.8 gigaflops per processor ...