Consumer Electronics Abbreviations
104 abbreviations · part of Technology & Computer Abbreviations
Abbreviations printed on TV boxes, store shelves and spec sheets for televisions and monitors, video resolutions and broadcast standards, home audio, headphones, cameras, virtual and augmented reality headsets, discs and tapes, batteries and chargers. Display terms such as 4K, HDR and OLED describe resolution, brightness range and panel technology, while audio terms such as ANC and TWS describe how headphones work. Entries explain what each label means in practice and where marketing names differ from the underlying technology.
| Abbreviation | Stands for | Description |
|---|---|---|
| 1080p | 1080 progressive scan | Video format of 1920 by 1080 pixels in which every line of each frame is drawn in a single pass (progressive scan). |
| 2K | 2K resolution | Resolution about 2,000 pixels wide, defined in digital cinema as 2048 by 1080. |
| 4K | 4K resolution | Video and display resolution roughly 4,000 pixels wide: 3840 by 2160 for consumer TVs, monitors and streaming (4K UHD), and 4096 by 2160 in digital cinema (DCI 4K). |
| 6DoF | Six degrees of freedom | Tracking capability that follows both head rotation (pitch, yaw and roll) and movement through space (forward-back, up-down, left-right), letting users lean, crouch and… |
| 720p | 720 progressive scan | Video format of 1280 by 720 pixels with progressive scan, the entry level of high definition. |
| 8K | 8K resolution | Display and video resolution of 7680 by 4320 pixels, about 33 million pixels and four times 4K. 8K TVs upscale lower-resolution content, since little native 8K material… |
| ALLM | Auto Low Latency Mode | HDMI 2.1 feature that lets a game console or PC tell a TV to switch automatically into its game mode, turning off picture processing that adds input lag, and to switch… |
| AMOLED | Active-matrix organic light-emitting diode | OLED display in which each pixel is driven by its own thin-film transistor, enabling the large, fast, high-resolution screens used in smartphones and smartwatches. |
| ANC | Active noise cancellation | Headphone and earbud technology that uses microphones to pick up ambient sound and plays an inverted sound wave to cancel it, sharply reducing steady low-frequency… |
| AR | Augmented reality | Technology that overlays digital images, text or 3D objects onto a live view of the real world, through a phone camera, smart glasses or a headset. |
| ARC | Audio Return Channel | HDMI feature that sends sound from a TV's built-in apps, tuner or other inputs back down the same HDMI cable to a soundbar or AV receiver, removing the need for a… |
| ATSC | Advanced Television Systems Committee | Organization and family of digital television standards used for over-the-air broadcasting in the United States, Canada, Mexico and South Korea. |
| AUX | Auxiliary input | Extra audio input, usually a 3.5 mm headphone-style jack, on car stereos, speakers, amplifiers and TVs, for connecting phones or music players with a cable. |
| AV | Audio-visual | Equipment, connections and services that combine sound and pictures, such as projectors, AV receivers, conference-room systems and the composite cables once used to… |
| AVR | Audio/video receiver | Home theater component that combines a multichannel amplifier, surround-sound decoder, radio tuner and HDMI switcher, connecting sources such as consoles and streamers… |
| BD | Blu-ray Disc | High-capacity optical disc format using a blue-violet laser to store 25 GB per layer, used for high-definition films, video games and data. |
| BLE | Bluetooth Low Energy | Power-efficient version of Bluetooth designed for devices that send small amounts of data and run for months or years on coin batteries, such as fitness trackers… |
| BT | Bluetooth | Short-range wireless technology for connecting headphones, speakers, keyboards, mice, watches, cars and other devices, operating in the 2.4 GHz band over typically… |
| CCTV | Closed-circuit television | Video camera system that transmits to a limited set of monitors or recorders rather than broadcasting publicly, used for security, traffic monitoring, retail… |
| CD | Compact Disc | Optical disc format developed by Philips and Sony for digital audio, holding up to 74 to 80 minutes of music, and later adapted for computer data. |
| CEC | Consumer Electronics Control | HDMI feature that lets connected devices control each other, so one remote can turn on the TV, switch inputs and adjust soundbar volume, and starting a console can wake… |
| CES | Consumer Electronics Show | Major annual technology trade show held in Las Vegas each January, where manufacturers unveil TVs, laptops, cars, smart-home gadgets and concept devices. |
| CRT | Cathode-ray tube | Display technology that fires electron beams at a phosphor-coated glass screen inside a vacuum tube, used in televisions and computer monitors for most of the 20th… |
| DAC | Digital-to-analog converter | Circuit that converts digital audio data into the analog electrical signal that drives headphones and speakers. |
| DLNA | Digital Living Network Alliance | Industry group and set of guidelines that let TVs, game consoles, phones, PCs and NAS drives share photos, music and video over a home network. |
| DLP | Digital Light Processing | Projection technology from Texas Instruments that uses a chip covered in millions of microscopic tilting mirrors, each representing a pixel, to reflect light through a… |
| DSLR | Digital single-lens reflex | Digital camera that uses a mirror and prism to show the exact view through the interchangeable lens in an optical viewfinder, flipping the mirror up to expose the… |
| DTS | Digital Theater Systems | Company and family of surround-sound formats used in cinemas, DVDs, Blu-ray discs and home theater systems, including DTS 5.1, lossless DTS-HD Master Audio and… |
| DV | Digital Video | Digital videotape format introduced in 1995 by a consortium of electronics makers, recording standard-definition video at 25 Mbit/s, most often on small MiniDV cassettes. |
| DVB | Digital Video Broadcasting | International family of standards for digital television, including DVB-T and DVB-T2 for terrestrial antennas, DVB-S2 for satellite and DVB-C for cable. |
| DVD | Digital Versatile Disc | Optical disc format for movies and data, holding 4.7 GB on a single layer or 8.5 GB on a dual layer, about seven times a CD's capacity. |
| DVR | Digital video recorder | Device or service that records television programs to a hard drive or cloud storage for later viewing, allowing pause, rewind and skipping through recordings. |
| eARC | Enhanced Audio Return Channel | Upgraded version of HDMI ARC introduced with HDMI 2.1 that has enough bandwidth to send lossless and object-based surround formats, such as Dolby TrueHD with Atmos and… |
| EIS | Electronic image stabilization | Software-based stabilization that crops the video frame slightly and shifts it from frame to frame, using motion sensor data, to smooth out shaky footage. |
| ENC | Environmental noise cancellation | Microphone technology in headsets and earbuds that suppresses background noise, such as traffic or wind, from the wearer's voice during calls. |
| EPG | Electronic program guide | On-screen guide that lists current and upcoming TV programs by channel and time, letting viewers browse, set reminders and schedule recordings. |
| EQ | Equalizer | Audio control that boosts or cuts specific frequency bands, such as bass, midrange and treble, to shape the sound of music, voices or a room. |
| FHD | Full High Definition | Display or video resolution of 1920 by 1080 pixels, about 2.1 million pixels in a 16:9 frame, also called 1080p. |
| FOV | Field of view | Extent of the observable world visible at one time, measured in degrees. |
| FPS | Frames per second | Number of individual images displayed or recorded each second in video, film and games; higher values give smoother motion. |
| GaN | Gallium nitride | Semiconductor material used in modern chargers and power adapters that switches power more efficiently than silicon, allowing much smaller, cooler chargers. |
| HD | High definition | Video or display resolution higher than standard definition, most often meaning 1280 by 720 (720p) or 1920 by 1080 (1080p, "Full HD"). |
| HDCP | High-bandwidth Digital Content Protection | Copy-protection system that encrypts video sent over HDMI, DisplayPort and DVI, so protected content plays only on authorized displays. |
| HDR | High dynamic range | Video and display technology that shows a much wider range between the darkest and brightest parts of a picture, with brighter highlights, deeper shadows and more vivid… |
| HDR10 | High Dynamic Range 10 | Open, royalty-free HDR video standard using 10-bit color, the wide Rec. 2020 color space and static metadata that describes a whole film's brightness. |
| HDTV | High-definition television | Television system with substantially higher resolution than standard definition, typically 1280 by 720 or 1920 by 1080 pixels with a 16:9 widescreen picture. |
| Hi-Fi | High fidelity | High-quality reproduction of sound that closely matches the original recording, and by extension a home stereo system built from separate components such as an… |
| HLG | Hybrid log-gamma | HDR format developed by the BBC and Japan's NHK for live broadcasting, designed so that one signal displays properly on both HDR and standard TVs without metadata. |
| HMD | Head-mounted display | Display device worn on the head, with small screens in front of the eyes, used for virtual and augmented reality, flight simulation, military aviation and medical… |
| IBIS | In-body image stabilization | Camera stabilization system that moves the image sensor itself, usually on five axes, to counteract hand shake. |
| IFA | Internationale Funkausstellung (International Radio Exhibition) | Large consumer electronics and home appliance trade show held in Berlin each September, where European and Asian manufacturers launch TVs, phones, smart-home devices… |
| IPS | In-plane switching | LCD panel technology in which liquid crystals rotate parallel to the screen, giving wide viewing angles of up to 178 degrees and accurate, consistent colors. |
| IR | Infrared | Electromagnetic radiation with wavelengths longer than red light, from about 700 nanometers to 1 millimeter, felt as heat. |
| LCD | Liquid-crystal display | Flat-panel display that uses liquid crystals between polarizing filters to block or pass light from a backlight, pixel by pixel, with color filters creating full color. |
| LED | Light-emitting diode | Semiconductor device that emits light when current passes through it, as electrons and holes recombine and release photons whose color depends on the material. |
| Li-ion | Lithium-ion | Rechargeable battery in which lithium ions shuttle between a graphite anode and a metal-oxide or phosphate cathode. |
| LiPo | Lithium polymer | Lithium-ion battery built in flexible pouch cells with a polymer or gel electrolyte, allowing thin, lightweight shapes. |
| MD | MiniDisc | Sony's small recordable magneto-optical disc format, launched in 1992, that stored about 74 to 80 minutes of digitally compressed audio in a protective cartridge. |
| MEMC | Motion estimation, motion compensation | TV processing that analyzes movement between frames and inserts artificially generated in-between frames to make motion look smoother, especially in sports. |
| MicroLED | Micro light-emitting diode | Emerging display technology in which every subpixel is a microscopic inorganic LED that emits its own light, combining OLED-like perfect blacks with very high… |
| Mini-LED | Mini light-emitting diode backlight | LCD backlight technology using thousands of tiny LEDs grouped into hundreds or thousands of local dimming zones, giving deeper blacks, higher brightness and better HDR… |
| MP | Megapixel | One million pixels, the unit used to describe the resolution of camera sensors and images. |
| MR | Mixed reality | Technology that blends real and virtual worlds so digital objects appear anchored in the physical environment and can interact with it, typically through a headset with… |
| NTSC | National Television System Committee | Analog color television standard used in North America, Japan, South Korea and parts of South America, with 525 lines at about 30 (29.97) frames per second. |
| OIS | Optical image stabilization | System that physically moves a lens element or the sensor to counteract hand shake, using gyroscope data, producing sharper photos at slow shutter speeds and steadier… |
| OLED | Organic light-emitting diode | Display technology in which each pixel is made of organic compounds that emit their own light, so pixels can switch off completely for perfect black and extreme… |
| OSD | On-screen display | Menu or information overlay that a monitor, TV, projector or camera shows on its screen for settings such as brightness, input selection and color, or for status like… |
| OTA | Over-the-air broadcasting | Free television and radio received with an antenna from local broadcast transmitters, as opposed to cable, satellite or streaming. |
| PAL | Phase Alternating Line | Analog color television standard used in most of Europe, Australia, much of Asia and Africa, with 625 lines at 25 frames per second. |
| PC | Polycarbonate | Clear, extremely impact-resistant thermoplastic used for eyeglass and safety lenses, bullet-resistant glazing, greenhouse panels, helmets, phone cases and electronics… |
| PCM | Pulse-code modulation | Standard method of representing analog audio digitally by sampling its level at regular intervals and storing each sample as a number. |
| PDA | Personal digital assistant | Handheld computer of the 1990s and 2000s used for contacts, calendars, notes, email and simple apps, typically controlled with a stylus. |
| PiP | Picture-in-picture | Feature that shows one video in a small window over another video or app, so viewers can keep watching while doing something else. |
| PPI | Pixels per inch | Measure of display sharpness that counts how many pixels fit along one inch of screen; higher values mean finer detail at a given viewing distance. |
| PVR | Personal video recorder | Term for a digital video recorder, more common in the UK, Canada and Australia, describing set-top boxes and TVs that record broadcasts to an internal or USB hard drive. |
| QC | Quick Charge | Qualcomm's proprietary fast-charging technology for phones and accessories, raising voltage above the standard 5 volts to deliver more power. |
| QD-OLED | Quantum dot organic light-emitting diode | Display technology from Samsung Display that combines a blue OLED layer with quantum dots converting light into red and green, aiming for brighter, purer colors than… |
| QHD | Quad High Definition | Display resolution of 2560 by 1440 pixels, four times the pixels of 720p HD, often called 1440p. |
| QLED | Quantum dot light-emitting diode | Samsung's marketing name, also used by TCL, Hisense and others, for LCD TVs with a quantum dot film that improves color and brightness. |
| RCA | RCA connector (phono plug) | Round plug-and-socket connector for analog audio and composite video, color-coded yellow for video, red for right audio and white or black for left audio. |
| RGB | Red, green, blue | Additive color model in which red, green and blue light combine to create all displayed colors; every screen pixel is made of RGB subpixels. |
| S/PDIF | Sony/Philips Digital Interface Format | Digital audio connection that carries stereo PCM or compressed surround sound between CD players, TVs, game consoles, soundbars and receivers, over coaxial RCA cables… |
| SBC | Subband codec | Mandatory baseline audio codec for Bluetooth stereo headphones and speakers, supported by every A2DP device. |
| SD | Standard definition | Video resolution of the pre-HD era: 480 lines in NTSC regions such as North America and Japan (typically 720 by 480 pixels) and 576 lines in PAL regions such as Europe. |
| SDR | Standard dynamic range | Conventional video and display brightness range defined for traditional TVs, typically mastered for about 100 nits and 8-bit color in the Rec. 709 color space. |
| SECAM | Séquentiel couleur à mémoire (sequential color with memory) | Analog color television standard developed in France and used there, in the Soviet Union, Eastern Europe and parts of Africa and the Middle East. |
| STB | Set-top box | Device that connects to a TV to receive and decode cable, satellite, IPTV or streaming content, often adding a program guide and recording. |
| TFT | Thin-film transistor | Tiny transistor deposited on the glass of a display to control each subpixel individually, the basis of active-matrix LCD and OLED screens. |
| THX | Tomlinson Holman's eXperiment | Quality certification for cinemas, home theater equipment, headphones and car audio, originally created by Lucasfilm to ensure films sounded as their makers intended. |
| TN | Twisted nematic | Oldest and cheapest LCD panel technology, offering very fast response times but poor viewing angles and color accuracy. |
| TPU | Thermoplastic polyurethane | Flexible, rubbery plastic widely used for phone cases, screen-protector edges, watch bands and cable jackets because it absorbs shocks and grips well. |
| TRRS | Tip, ring, ring, sleeve | Four-contact audio connector, usually 3.5 mm, carrying stereo audio plus a microphone signal, used for phone headsets and gaming headsets with a single plug. |
| TRS | Tip, ring, sleeve | Audio connector with three contacts, used in 3.5 mm headphone plugs and 6.35 mm (quarter-inch) jacks. |
| TV | Television | System and device for receiving moving pictures and sound, whether broadcast over the air, delivered by cable or satellite, or streamed over the internet. |
| TWS | True wireless stereo | Category of earbuds with no wire between the left and right buds, each containing its own battery, and usually sold with a charging case. |
| UHD | Ultra High Definition | Display and video resolutions above Full HD, mainly 3840 by 2160 (4K UHD) and 7680 by 4320 (8K UHD). |
| VA | Vertical alignment | LCD panel technology in which liquid crystals align perpendicular to the screen when off, blocking more backlight and giving contrast ratios of 3,000:1 or more, far… |
| VCD | Video CD | Format for storing full-motion video on standard compact discs using MPEG-1 compression, with quality similar to VHS. |
| VCR | Videocassette recorder | Machine that records and plays analog video on magnetic tape cassettes, most commonly in the VHS format. |
| VHS | Video Home System | Consumer videotape format introduced by JVC in 1976 that dominated home video recording and movie rental for about two decades. |
| VR | Virtual reality | Computer-generated, immersive 3D environment experienced through a headset that tracks head movements, replacing the user's view of the real world. |
| VRR | Variable refresh rate | Display feature that lets the screen's refresh rate follow the frame rate a console or graphics card is actually producing, eliminating screen tearing and reducing… |
| WQHD | Wide Quad High Definition | Widescreen (16:9) name for the 2560-by-1440 resolution, interchangeable with QHD in most product listings. |
| XR | Extended reality | Umbrella term covering virtual, augmented and mixed reality technologies together, used in industry, job titles and product names. |
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