ATV/NTSC format converters

Author

Bretl, W.

Author_Institution

Zenith Electron. Corp., Glenview, IL, USA

Volume

36

Issue

3

fYear

1990

fDate

8/1/1990 12:00:00 AM

Firstpage

269

Lastpage

283

Abstract

It is noted that up- and down-converters between advanced television (ATV) ad NTSC signals will be required for a simulcast service such as SC-HDTV (spectrum-compatible high-definition television). Down-conversion from ATV to NTSC is required at the transmitter to provide the simulcast NTSC program. Up-conversion is also required to integrate archival material into the ATV program, and in the dual-purpose ATV receiver which also receives NTSC programs. Filtering is a major part of the conversion process. The various theoretical and practical requirements for filtering are discussed, and a practical example is presented. Effects of signal sources and the NTSC format´s interlaced pickup and display on converter design are presented. A tutorial section on the use of three-dimensional transforms for study of conversion systems is appended

Keywords

convertors; filters; high definition television; television standards; transforms; video signals; ATV receiver; ATV signals; ATV/NTSC format converters; NTSC signals; SC-HDTV; converter design; display; down-converters; filtering; interlaced pickup; signal sources; simulcast service; spectrum-compatible high-definition television; three-dimensional transforms; transmitter; up converters; Broadcasting; Cameras; Displays; Filtering; Frequency response; HDTV; Optical devices; Optical filters; TV; Transmitters;

fLanguage

English

Journal_Title

Consumer Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0098-3063

Type

jour

DOI

10.1109/30.103132

Filename

103132