High resolution television transmission system

Details High resolution television transmission system High resolution television transmission system

H - Electricity

04

N

350/40

H04N 5/38 (2006.01) H04N 11/14 (2006.01) H04N 11/24 (2006.01)

Patent

CA 1243111

ABSTRACT: A television transmission system capable of transmitting and receiving a high-resolution television signal having a wider than standard aspect ratio, which high-resolution television signal is, in part, compatible with standard television receivers. In an NTSC format, the high-resolution television signal has an active bandwidth of 14.0 MHz and includes picture frames having 657 scan- ning lines and a 5-1/3:3 aspect ratio. This high-resolution television signal is converted into two transmission signals, a first of which being compatible with standard television receivers and including a center low-frequency portion of the high- resolution television picture frame, the number of lines therein having been converted to 525 lines, and a second of which including the remaining information in the high-resolution television signal.

498364

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