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AV abbreviation of "audio-visual," having both sound and a picture, as does film.
blip an interruption in audio recording or transmission in television or radio. [2/5 definitions]
broadband of, pertaining to, or using a type of high-speed data transmission that allows signals at different frequencies, such as audio and video, to be transmitted simultaneously along a single wire. [1/2 definitions]
camcorder a portable video recording device that includes a camera and an audio recorder in one unit.
cassette a compact case for film, or audio or video tape, used to facilitate leading a camera or recorder.
codec a device or computer program that converts analogue audio and video signals into digital form for transmission purposes, and converts digital signals into analogue form after the transmission has been received.
compact cassette a type of magnetic-tape cartridge, first released in 1963, that is used for audio recording and playback.
digital storing, using, or transmitting information, such as that which makes up text, audio, or video, in the form of numerical digits. [1/5 definitions]
feedback in an audio system, a whistling or screeching noise made when the output signal is picked up at the input. [1/6 definitions]
iPod trademark for a pocket-sized digital audio player with a large storage capacity, primarily used to collect and play back downloaded digital music files.
magnetic recording the process or product of recording a series of electrical signals onto a magnetizable surface, esp. used for audio, visual, and computer data.
MP3 abbreviation of "Moving Pictures Expert Group, Audio Layer 3," an audio file format that compresses sound data, esp. music, for easy transfer over the internet, while providing high-quality playback sound. [1/3 definitions]
playlist a selection of audio or visual tapes played by a radio or television station.
podcast an audio recording that can be downloaded from the internet, usually consisting of a short talk or program on a particular topic.
recording the act or process of taking down audio or video data so that it can be heard or viewed at a later time. [1/2 definitions]
sound bite a very brief statement taken from a video or audio tape for inclusion in a television newscast.
video chat to engage in a conversation using an electronic means that allows both audio and visual communication. [1/2 definitions]
videoconference an organized meeting in which participants in different locations communicate by transmitted audio and visual signals.
videoconferencing the process of holding an organized meeting via transmitted audio and visual signals.