Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1995-06-28
1997-07-29
Chin, Tommy P.
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
386 97, 386105, 386125, 386126, H04N 591, H04N 5928, H04N 5781, H04N 585
Patent
active
056528248
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
This invention relates to a multilingual recording medium and a reproduction apparatus which can record information such as movie programs, Kara-OK programs, educational programs, and learning programs on a medium such as an optical disk, along with comments, subtitles, speeches and the like in various languages, such that any speech or subtitle (character data) is reproduced in the language selected.
BACKGROUND ART
Films produced in foreign countries are sometimes dubbed into the mother tongue or added with the native language subtitles before they are released. Bilingual TV broadcasting systems have been developed, in which the user can select the desired language at his or her TV set.
The user can select either of the two languages but cannot select any other language.
The market of systems using recording mediums (films, disks, magnetic tape, etc.) has expanded worldwide. Demand has therefore grown for systems capable of reproducing recorded information in more than one, or even two, languages.
SUMMARY OF THE INVENTION
Accordingly, an object of this invention is to provide a multilingual recording medium which serves as an information source and on which information is recorded in at least three languages, and also to provide a reproduction apparatus which reproduces the information from the medium.
Another object of the present invention is to provide a multilingual recording medium which serves as an information source on which information is recorded in at least three languages at an improved recording density for more effective use, and to provide a reproduction apparatus which reproduces the information from the medium.
Still another object of the invention is to provide a multilingual recording medium which facilitates the handling of an information source during reproduction and which serves as an information source containing information in at least three languages, and to provide a reproduction apparatus which reproduces the information from the medium.
Another object of the present invention is to provide a multilingual recording medium which has a management table for creating a menu screen that enables user to acknowledge a plurality of languages when the medium contains information in at least three languages, and a reproduction apparatus which reproduces the information from the medium.
A further object of this invention is to provide a multilingual recording medium which enables an user to know easily the contents of the recorded information by providing the user with comments in each language when the medium used as an information source contains information in at least three languages, and a reproduction apparatus which reproduces the information from the medium.
Another object of the present invention is to provide a multilingual recording medium in which any combination of speech, subtitles, etc. can be achieved when the medium used as an information source contains information in at least three languages, and a reproduction apparatus which reproduces the information from the medium.
Still another object of the invention is to provide a recording medium from which information can be reproduced by erasing or adding any piece of various types of information recorded on the medium, and a reproduction apparatus which reproduces the information from the medium.
In a part of a disk according to the present invention, a management area is formed. A data area is formed in another portion of the disk. Control information indicating the data arrangement of the data area and types of languages is recorded in the management area. A plurality of data units are recorded in the data area. Each data unit contains video information, and pieces of audio information including at least three pieces of language information related to the video information. Each language information piece has an audio identification data.
A reproduction apparatus of the invention contains means for decoding the video information and reproducing any language information piece selected.
In a disk of t
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Endoh Kenjiro
Hirayama Koichi
Miyano Yuichi
Nakai Masatoshi
Chin Tommy P.
Vincent David R.
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