- Industrie: Telecommunications
- Number of terms: 29235
- Number of blossaries: 0
- Company Profile:
ATIS is the leading technical planning and standards development organization committed to the rapid development of global, market-driven standards for the information, entertainment and communications industry.
Television that has approximately twice the horizontal and twice the vertical emitted resolution specified by the NTSC standard. Note 1: In HDTV, the total number of pixels is therefore approximately four times that of the NTSC standard. Note 2: HDTV may include any or all improved-definition television (IDTV) and extended-television (EDTV) improvements. Note 3: HDTV employs a wide aspect ratio.
Industry:Telecommunications
Television in which fixed ("still") images are transmitted sequentially at a rate far too slow to be perceived as continuous motion by human vision. Note: Transmission of an image is usually performed periodically by a processing unit that contains memory in which data representing the image are stored. For an image of specified quality, e.g., resolution and color fidelity, freeze-frame television has a lower bandwidth requirement than that of full-motion operation.
Industry:Telecommunications
Television in which (a) improvements are made to the standard National Television System Committee (NTSC) television system, (b) the improvements are receiver-compatible with the standard NTSC television system, and (c) the improvements modify the standard NTSC television system emission standards. Note 1: EDTV improvements may include (a) a wider aspect ratio, (b) a higher picture definition than NTSC definition, and (c) any of the improvements used in improved-definition television (IDTV. ) Note 2: When EDTV signals are transmitted in the 4:3 aspect ratio, it is referred to as "EDTV. " When transmitted in a wider aspect ratio, it is referred to as "EDTV-Wide. "
Industry:Telecommunications
Television conforming to the NTSC standard, the SECAM standard, the PAL standard, or the PAL-M standard. Synonym existing quality television.
Industry:Telecommunications
Telephone-company-provided premises equipment in use or in inventory of a regulated telephone utility as of divestiture (December 31, 1983. )
Industry:Telecommunications
Telephone service in which a single payment permits an unlimited number of local calls to be made without further charge for a specified period of time.
Industry:Telecommunications
Telephone service for which charges are made in accordance with the total connection time of the line.
Industry:Telecommunications
Synchronization in which the functional relationships used to obtain synchronization are of simple proportionality. Synonym linear analog control.
Industry:Telecommunications
Telephone ringing that makes use of both ac and dc voltages and currents. Note: An alternating current may be used to operate a ringer and direct current to aid the relay action that stops the ringing when the called telephone is answered.
Industry:Telecommunications
