AUDIO / VIDEO |
|
Sound recording and reproduction is the electrical or mechanical re-creation and/or amplification of sound, often as music. This involves the use of Audio components such as microphones, recording devices and loudspeakers. From early beginnings with the invention of the Phonograph using purely mechanical techniques, the field has advanced with the invention of electrical recording, the mass production of the 78, the Magnetic wire recorder followed by the Tape recorder,the Microgroove recording, and the LP record. The invention of the Compact cassette in the 1960's, followed by the Walkman, gave a major boost to the mass distribution of music recordings, and the invention of Digital recording and the Compact disc in 1983 brought massive improvements in ruggedness and quality. The most recent developments have been in Digital audio players like the Apple iPod.
Video is the technology of capturing, recording, processing, transmitting, and reconstructing moving pictures, typically using celluloid film, electronic signals, or digital media, primarily for viewing on television or computer monitors.
|
DIGITAL TELEVISION |
|
DTV can be used to carry more channels in the same amount of bandwidth than analog TV (6 MHz or 7 MHz in Europe) and to receive high-definition programming. The digital signal eliminates common analog broadcasting artifacts such as "ghosting", "snow", and static noises in audio. However, when the signal is transmitted at a too low data rate DTV replaces these artifacts with new MPEG compression artifacts, such as "blocking", and may fail to work entirely in situations where analog television would have produced an impaired but watchable picture. Depending on the sophistication and level of the error correction defined by the technical standard that the broadcaster complies with, DTV may either work perfectly or not work at all.
|
INTERNET |
|
The Internet, or simply the Net, is the publicly accessible worldwide system of interconnected computer networks that transmit data by packet switching using a standardized Internet Protocol (IP). It is made up of thousands of smaller commercial, academic, domestic, and government networks. It carries various information and services, such as electronic mail, online chat, and the interlinked Web pages and other documents of the World Wide Web.
|
REALTIME |
|
An operation within a larger dynamic system is called a real-time operation if the combined reaction- and operation-time of a task is shorter than the maximum delay that is allowed, in view of circumstances outside the operation. The task must also occur before the system to be controlled becomes unstable. A real-time operation is not necessarily fast, as slow systems can allow slow real-time operations.
|
TECHNOLOGY |
|
Technology is a word with origins in the Greek "technologia" ("τεχνολογία") "techne", "τέχνη" ("craft") and "logia", "λογία" ("saying")." "Technology" is a broad term dealing with the use and knowledge of humanity's tools and crafts.
|
VIDEO / AUDIO |
|
Find VIDEO / AUDIO experts and consultants for VIDEO / AUDIO litigation support. Available to be VIDEO / AUDIO expert witnesses and provide VIDEO / AUDIO forensic consulting in VIDEO / AUDIO litigation, in addition prepare VIDEO / AUDIO expert witness reports for use in deposition and/or in-court trial testimony.
|
|
