JP2002269920A5 - - Google Patents

Claims (12)

Encode audio information to generate audio encoded information,
Encode video information to generate video encoded information,
Multiplexing the audio encoded information and the video encoded information to generate multiplexed information;
After storing the multiplexed information, management information for managing the multiplexed information is generated from the stored multiplexed information, and recorded on an information recording medium together with the stored multiplexed information Information recording method. In the information recording method of Claim 2,
If recording is stopped,
An information recording method comprising: generating the management information and recording the management information together with the stored multiplexed information on an information recording medium. Audio information encoding means for encoding audio information to generate audio encoded information;
Video information encoding means for encoding video information to generate video encoded information;
Multiplexing means for multiplexing the audio encoded information and the video encoded information to generate multiplexed information;
Multiplexed information storage means for storing the multiplexed information;
Management information generating means for generating management information for managing the multiplexed information;
Information recording medium drive means for recording the multiplexed information read from the multiplexed information storage means on an information recording medium;
An operation means for accepting an external operation;
The audio information encoding means, the video information encoding means, the multiplexing means, the multiplexed information storage means, the management information generating means, the information recording medium drive means, and the operating means. Control means for controlling;
Provided,
After storing the multiplexed information in the multiplexed information storage means, the management information generating means generates the management information from the multiplexed information stored in the multiplexed information storage means, and the multiplexed information storage means An information recording apparatus capable of recording on an information recording medium together with the multiplexed information stored in the storage medium. The information recording apparatus according to claim 3, wherein
Based on the recording stop operation input from the operation means,
An information recording apparatus characterized in that the management information generating means can generate the management information and record it on an information recording medium together with the multiplexed information stored in the multiplexed information storage means. Audio information encoding means for encoding audio information;
Video information encoding means for encoding video information;
Multiplexing means for multiplexing the audio encoded information encoded by the audio information encoding means, the video encoded information encoded by the video information encoding means, and management information to generate multiplexed information; ,
In the multiplexing means, the multiplexed information is divided into recording small units with an arbitrary size, the recording small units are combined into an arbitrary number of recording large units, and the information code amount or information reproduction time information of the recording small units is stored. Recording small unit information storage means for storing only the recording large unit,
Multiplex information storage means capable of storing multiplexed information for one recording large unit and controlling not to write the multiplexed information to the recording medium until generation of the recording large unit is completed. ,
With
Position information of a predetermined amount of recording small units before and after calculated from the information of the recording small unit information storage means within a range not exceeding the recording large unit, and information indicating which recording large unit the recording small unit belongs to Is multiplexed as a part of the management information at a predetermined position of the small recording unit to generate multiplexed information.   6. The information recording apparatus according to claim 3 or 5, wherein both the video information encoding unit and the audio information encoding unit encode the recording unit so that the information reproduction time of the recording unit is constant. The information recording apparatus, wherein the information code amount of a unit is stored in the recording small unit storage means.   7. The information recording apparatus according to claim 3, wherein the recording large unit is divided on the basis of the information reproduction time of the recording large unit.   7. The information recording apparatus according to claim 3, wherein the recording large unit is divided based on an information code amount of the recording large unit.   9. The information recording apparatus according to claim 3, wherein when the recording large unit does not reach a predetermined amount when recording is completed, the multiplexed information storage means is provided. An information recording device comprising a large unit of multiplexed information recorded in   10. The information recording apparatus according to claim 3, wherein the recording medium used for the information recording apparatus is a recording medium that can be written only once. apparatus.   2. The information recording method according to claim 1, wherein the management information is data search information for data search.   2. The information recording method according to claim 1, wherein the video information is captured by a camera.