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Acoustic camera. An acoustic camera (or noise camera) is an imaging device used to locate sound sources and to characterize them. It consists of a group of microphones, also called a microphone array, from which signals are simultaneously collected and processed to form a representation of the location of the sound sources.
Tally light. In a television studio, a tally light (or on air indicator) is a small signal lamp on a professional video camera or monitor. It is usually located just above the lens or on the electronic viewfinder (EVF) and communicates, for the benefit of those in front of the camera as well as the camera operator, that the camera is live (i.e ...
A Flip video camera, formerly manufactured by Cisco. A video camera is an optical instrument that captures videos, as opposed to a movie camera, which records images on film. Video cameras were initially developed for the television industry but have since become widely used for a variety of other purposes. Video cameras are used primarily in ...
Image noise. Image noise is random variation of brightness or color information in images, and is usually an aspect of electronic noise. It can be produced by the image sensor and circuitry of a scanner or digital camera. Image noise can also originate in film grain and in the unavoidable shot noise of an ideal photon detector. Image noise is ...
Optical sound is a means of storing sound recordings on transparent film. Originally developed for military purposes, the technology first saw widespread use in the 1920s as a sound-on-film format for motion pictures. Optical sound eventually superseded all other sound film technologies until the advent of digital sound became the standard in ...
A sound change, in historical linguistics, is a change in the pronunciation of a language. A sound change can involve the replacement of one speech sound (or, more generally, one phonetic feature value) by a different one (called phonetic change) or a more general change to the speech sounds that exist (phonological change), such as the merger of two sounds or the creation of a new sound.
The Sony HDR-GW55 was introduced in 2012 and is designed to be held vertically. It is marketed as a waterproof, dustproof and shockresistant Full HD camcorder. It can withstand up to a depth of 5m and accidental drops from 1.5m of height. It comes with a 10 × optical zoom lens.
AG-HVX200, AG-HVX200A (2005, 2006) Panasonic AG HVX200. The AG-HVX200 is a fixed-lens hybrid camcorder released in December 2005 for 60 Hz market and April 2006 for 50 Hz market. The camcorder allows file-based recording onto P2 cards, as well recording SD footage onto traditional MiniDV cassettes.