Multimedia data reproducing apparatus and multimedia data reproducing method and computer-readable medium therefor
First Claim
1. A multimedia data reproducing apparatus comprising:
- a playback control unit that controls reproduction of multimedia data from a plurality of media;
a question acceptance unit that accepts a question from a user;
a playback position storage unit that stores a playback position of the multimedia data reproduced by the playback control unit when the question acceptance unit accepts the question from the user;
an analyzing unit that analyzes the question accepted by the question acceptance unit;
a searching unit that retrieves an answer to the question from analysis information of the multimedia data by using an analysis result of the analyzing unit;
an output unit outputs the answer retrieved by the searching unit to present the answer to the user;
a position comparing unit that compares an answer appearance position of the multimedia data corresponding to the answer retrieved by the searching unit with the playback position stored by the playback position storage unit; and
a playback position changing unit that makes the playback control unit change the playback position of the multimedia data in accordance with a comparison result of the position comparing unit.
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Accused Products
Abstract
A playback control portion controls a playback of multimedia data. A request acceptance portion accepts a question from the user. A playback position storage unit stores the playback position of multimedia data reproduced by the playback control unit at the point of time when the question was accepted from the user. An analyzing unit analyzes the question accepted by the request acceptance unit. A searching unit searches for an answer to the question on the basis of analysis information of the multimedia data by using a result of searching. The playback control portion outputs the answer thus searched for. A position comparing unit compares the position of appearance of the answer in the multimedia data corresponding to the answer with the playback position stored in the playback position storage device. The playback position changing portion changes the playback position of the multimedia data in accordance with a result of the comparison.
31 Citations
11 Claims
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1. A multimedia data reproducing apparatus comprising:
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a playback control unit that controls reproduction of multimedia data from a plurality of media;
a question acceptance unit that accepts a question from a user;
a playback position storage unit that stores a playback position of the multimedia data reproduced by the playback control unit when the question acceptance unit accepts the question from the user;
an analyzing unit that analyzes the question accepted by the question acceptance unit;
a searching unit that retrieves an answer to the question from analysis information of the multimedia data by using an analysis result of the analyzing unit;
an output unit outputs the answer retrieved by the searching unit to present the answer to the user;
a position comparing unit that compares an answer appearance position of the multimedia data corresponding to the answer retrieved by the searching unit with the playback position stored by the playback position storage unit; and
a playback position changing unit that makes the playback control unit change the playback position of the multimedia data in accordance with a comparison result of the position comparing unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A multimedia data reproducing method comprising:
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making a playback control unit control reproduction of multimedia data from a plurality of media;
accepting a question from a user;
storing a playback position of the reproduced multimedia data when the question is accepted from the user;
analyzing the accepted question;
retrieving an answer to the question from analysis information of the multimedia data on the basis of an analysis result;
outputting the retrieved answer to present the answer to the user;
comparing an answer appearance position of the multimedia data corresponding to the retrieved answer with the stored playback position; and
making the playback control unit change the playback position of the multimedia data in accordance with the comparison result.
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11. A computer-readable medium for multimedia data reproducing comprising:
making a playback control unit control reproduction of multimedia data from a plurality of media;
accepting a question from a user;
storing a playback position of the reproduced multimedia data when the question is accepted from the user;
analyzing the accepted question;
retrieving an answer to the question from analysis information of the multimedia data on the basis of an analysis result;
outputting the retrieved answer to present the answer to the user;
comparing an answer appearance position of the multimedia data corresponding to the retrieved answer with the stored playback position; and
making the playback control unit change the playback position of the multimedia data in accordance with the comparison result.
Specification