Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Reexamination Certificate
2001-02-12
2002-05-28
Boccio, Vincent (Department: 2615)
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
C386S349000, C386S349000, C386S349000
Reexamination Certificate
active
06396997
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an information record medium such as an optical disk of a high recording density type, which is capable of recording information such as video information, audio information and the like at a high density, and which is represented by a DVD (Digital Video or Versatile Disk). The present invention also relates to a recording apparatus for recording the information onto the information record medium, and a reproducing apparatus for reproducing the information from the information record medium.
2. Description of the Related Art
Conventionally, a so-called LD (Laser Disk) and a so-called CD (Compact Disk) are generalized as optical disks, on which information such as video information, audio information and the like is recorded.
On the LD or the like, the video information and the audio information are recorded together with time information indicating a time at which each information is to be reproduced with respect to a reproduction start position, which each LD or the like has, as a standard position. Thus, other than a general normal reproduction to reproduce the recorded information in the order of recording, various special reproductions are possible, such as a reproduction to extract and listen to an only desirable music out of a plurality of recorded musics, a reproduction to listen to the recorded musics in a random order and so on, in case of the CD, for example.
However, there is a problem that, according to the above mentioned LD or the like, a so-called interactive and variegated reproduction is not possible in which the audience can have a plurality of selection branches as for the video or audio information to be displayed or sound-outputted and in which the audience can select them to watch or listen to it.
Namely, for example, in case of giving audience to a foreign movie on the LD, it is not possible to select one of languages to be used for a subtitle (caption) displayed on the picture plane (e.g., select one of the subtitle in Japanese and the subtitle in the original language) so as to display the subtitle in the selected language, or, in case of giving audience to a music recorded on the CD, it is not possible to select one of sound voices of the music (e.g., select one of the English lyric and the Japanese lyric).
On the other hand, various proposals and developments are being made as for the DVD, as an optical disk in which the memory capacity is improved by about ten times without changing the size of the optical disk itself as compared with the aforementioned conventional CD. However, a recording technique of the DVD capable of displaying various selection branches to the audience and reproduce precisely, certainly and smoothly the content of the selected record information as in the above explained manner, is not proposed or developed yet. Further, in the technical art of the DVD, the actuality is such that a person having an ordinary skill in this art does not even recognize the subject itself to display various selection branches to the audience, and reproduce precisely, certainly and smoothly the content of the selected record information.
SUMMARY OF THE INVENTION
It is therefore an object of the present invention to provide an information record medium and a recording apparatus for recording record information on the information record medium, which can record the record information such that the record information can be precisely and smoothly reproduced and that variegated reproductions of the record information corresponding to a request of the audience can be performed. It is another object of the present invention to provide a reproducing apparatus for reproducing the record information from the information record medium, which can perform the variegated reproductions precisely and smoothly at a low cost.
The above object of the present invention can be achieved by an information recording apparatus provided with: a signal process device for applying a predetermined signal process, such as the MPEG
2
(Moving Picture Experts Group
2
) method and the like, to record information, which is to be recorded onto an information record medium, such as a DVD and the like, and is inputted from the external, to output processed record information, and for dividing control information, which corresponds to the record information and is inputted from the external, into search control information, such as DSI (Data Search Information) and the like, which is information to search a record position of the record information to be reproduced at a time of reproducing the record information from the information record medium, and reproduction display control information, such as PCI (Presentation Control Information) and the like, which is information to control a reproduced display of the record information at the time of reproducing the record information from the information record medium, to output the search control information and the reproduction display control information; a multiplex device, such as a controller, a multiplexer and the like, for multiplexing the processed record information, the search control information and the reproduction display control information outputted from the signal process device to output multiplexed record information; and a record device, such as a mastering device and the like, for recording the multiplexed record information outputted from the multiplex device onto the information record medium.
According to the present invention, the predetermined signal process is applied to the record information, and the processed record information is outputted, by the signal process device. The control information is divided into the search control information and the reproduction display control information, and these informations are outputted by the signal process device. Then, the processed record information, the search control information and the reproduction display control information are multiplexed, and the multiplexed record information is outputted, by the multiplex device. After that, the multiplexed record information is recorded onto the information record medium, by the record device.
Therefore, since the control information is recorded on the information record medium such that the control information is divided into the search control information, such as DSI and the like, and the reproduction display control information, such as PCI and the like, if the information reproducing apparatus for reproducing the record information is equipped with a buffer device, such as a track buffer and the like, having a predetermined delay time, it is possible to extract the search control information before the detected record information is inputted to the buffer device, so as to use the extracted search control information for searching the record information, and it is also possible to extract the reproduction display control information when the record information is outputted from the buffer device, so as to use the extracted reproduction display control information for controlling the reproduced display of the record information.
Thus, at the time of reproducing the record information, it is possible to reproduce the record information precisely and smoothly without the harmful influence of the time delay due to the buffer device, and it is also possible to perform the variegated reproductions on the basis of the search control information and the reproduction display control information.
In one aspect of the information recording apparatus of the present invention, the reproduction display control information includes: a plurality of selection item informations, such as color information, position information, movement information and the like, to respectively select a content of the reproduced display of the record information; and response display operation information, such as high light information and the like. The response display operation information is provided with: reproduction display operation information, such as a com
Moriyama Yoshiaki
Sawabe Takao
Tozaki Akihiro
Yamamoto Kaoru
Yoshimura Ryuichiro
Boccio Vincent
Morgan & Lewis & Bockius, LLP
Pioneer Electronic Corporation
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