DocumentCode
1520507
Title
How closed captions work
Author
Malcom, Alison
Author_Institution
Rochester Inst. of Technol., NY, USA
Issue
4
fYear
1985
Firstpage
19
Lastpage
20
Abstract
The author describes the coding of closed captions for the hearing impaired, which are included in standard television broadcast signals on line 21 of the standard television broadcast signal. Decoders in adaptors or in special television receivers decode these signals and display the captions on television screens.
Keywords
handicapped aids; television; television broadcasting; adaptors; closed captions; hearing impaired; line 21; standard television broadcast signal; standard television broadcast signals; television receivers; television screens; Blanking; Clocks; Decoding; Receivers; Standards; Synchronization; TV;
fLanguage
English
Journal_Title
Professional Communication, IEEE Transactions on
Publisher
ieee
ISSN
0361-1434
Type
jour
DOI
10.1109/TPC.1985.6448842
Filename
6448842
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