JP2003272361A - Information recording / reproducing apparatus, program, and computer-readable recording medium - Google Patents

Abstract

(57) [Summary] [Problem] It is possible to reproduce from a scene desired by a user with a simple operation. SOLUTION: A moving image data is created and stored in an HDD,
The preview is executed, the playback is stopped at the position indicated by the stop instruction, the moving image is stopped, and when the search tag insertion instruction is issued, the time information of the position where the moving image is stopped is acquired and stored in the main memory. Repeatedly, there are instructions to end preview and create DVD video disc with search function,
When a DVD disc is inserted in the DVD drive,
The moving image data stored in D
The video data is converted into the VD video format and recorded on the DVD disk by the DVD drive. Then, a search tag information file corresponding to the moving image data stored in the HDD is recorded immediately below the DVD video root directory on the DVD disk.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recordable DVD disk such as a DVD-R or a DVD-RW, a DVD-RW.
DV for rewritable DVD disc such as RAM
The present invention relates to an information recording / reproducing apparatus for recording and reproducing moving image data based on the D-video standard, a program, and a computer-readable recording medium.

[0002]

2. Description of the Related Art In recent years, personal computers (PCs)
Using the CD-R / RW drive provided in (or externally connected), it is possible to create an audio disc with the CD-R / RW disc and back up the data of the PC. Further, standardization of rewriting and additional recording of DVD discs has progressed, and DVD drives capable of rewriting and additional recording of DVD discs have begun to be released. The purpose of this DVD drive is DV for DVD discs.
The main purpose is to record moving image data according to the D-Video (DVD-Video) standard to create a DVD-Video disc. A conventional DVD drive can set a chapter by authoring a moving image when creating a DVD video disc, and can select and play the moving image in chapter units at the time of playing.

[0003]

However, in the conventional DVD drive, when the moving picture data recorded on the DVD video disc cannot be reproduced, it cannot be reproduced from a portion arbitrarily designated by the user in advance. There was a problem that it was not easy to use because it could not be played from the desired scene with a simple operation. The present invention has been made to solve the above problems, and an object of the present invention is to enable a user to reproduce a desired scene by a simple operation.

[0004]

In order to achieve the above object, the present invention provides the following information recording / reproducing apparatus (1) to (4). (1) Moving picture data creating means for creating moving picture data based on the DVD video standard, and moving picture data created by the moving picture data creating means can be added or rewritten D
Recording means for recording on the VD disc, and search tag information creation and storage means for creating search tag information for a specified position of the moving image data created by the moving image data creating means and saving the created tag information in association with the moving image data. And an information recording / reproducing apparatus including a searching unit that searches a reproduction start position based on the search tag information stored by the search tag information creating / storing unit when the moving image data is reproduced.

(2) Reproducing means for reproducing moving picture data recorded on the write-once or rewritable DVD disk based on the DVD video standard, and a retrieval tag for a specified position of the moving picture data reproduced by the reproducing means. Search tag information creating and storing means for creating information and saving it in correspondence with the moving image data, and searching means for searching the reproduction start position based on the search tag information saved by the search tag information creating and storing means. An information recording / reproducing apparatus equipped with.

(3) In the information recording / reproducing apparatus of (1) or (2), the information recording / reproducing device is provided with a searching tag information changing unit for changing the searching tag information stored by the searching tag information creating / storing unit. apparatus. (4) In the information recording / reproducing apparatus of (1) or (2), the search tag information creation / storing means creates new search tag information in the moving image data in which the search tag information is saved, and additionally saves the search tag information. Recording / reproducing apparatus provided with tag information adding means for use.

The following programs (5) and (6) are also provided. (5) A moving image data creating function of creating moving image data based on the DVD video standard on a computer, and a recording function of recording moving image data created by the moving image data creating function on a rewritable or rewritable DVD disc.
Search tag information creation / save function that creates and saves the search tag information for the specified position of the video data created by the above video data creation function, and the above search tag information creation / save when playing the above video data A program for realizing a search function for searching the reproduction start position based on the search tag information stored by the function.

(6) A reproducing function for reproducing moving picture data recorded on a computer-readable or rewritable DVD disc based on the DVD video standard on a computer, and a specified position of the moving picture data reproduced by the reproducing function. A search tag information creation / save function for creating and saving search tag information, a search function for searching a playback start position based on the search tag information saved by the search tag information creation / save function, and the above search A program for realizing the search tag information change function that changes the search tag information stored in the search tag information creation and storage function.

Further, a computer-readable recording medium of the following (7) and (8) is also provided. (7) A moving image data creation function of creating moving image data based on the DVD video standard on a computer, and a recording function of recording moving image data created by the moving image data creation function on a rewritable or rewritable DVD disc,
Search tag information creation / save function that creates and saves the search tag information for the specified position of the video data created by the above video data creation function, and the above search tag information creation / save when playing the above video data A computer-readable recording medium recording a program for realizing a search function for searching a reproduction start position based on search tag information stored by the function.

(8) A reproducing function for reproducing moving image data recorded on the computer based on the DVD video standard on a write-once or rewritable DVD disc and a specified position of the moving image data reproduced by the reproducing function. A search tag information creation / save function for creating and saving search tag information, a search function for searching a playback start position based on the search tag information saved by the search tag information creation / save function, and the above search A computer-readable recording medium having recorded therein a program for realizing the search tag information changing function for changing the search tag information stored in the search tag information creating and storing function.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be specifically described below with reference to the drawings. The DVD drive of this embodiment can be used when a DVD video disc is created or after it is created.
You can set a search tag at a desired position in a movie, change the search tag, or add a new search tag. You can play the video from the position. Therefore, the user can easily reproduce a desired scene from a desired scene by a simple operation of selecting the search tag and instructing reproduction by setting the search tag in a necessary position in the moving image in advance.

FIG. 2 shows a DV which is an embodiment of the present invention.
It is a block diagram which shows the structure of a D video disc production apparatus. In this DVD video disc creating apparatus, a DVD drive 7 for recording and reproducing moving image data with respect to the DVD disc 10 (a detailed description thereof is omitted because the internal configuration of the drive is a known technique) is connected to a personal computer (PC). PC, CPU1, RO
It is composed of a main memory such as M and RAM 2, a keyboard 3, a mouse 4, a display such as CRT and LCD 5, a hard disk drive (HDD) 6 and the like.

The PC stores various programs including the program (software) according to the present invention in the HDD 6, and the CPU 1 reads the program into the main memory 2 and executes each process according to the present invention. Also, HD
The program stored in D6 has a user interface, and when prompting the user to make a selection or the like, the user interface displays various messages on the display 5 and accepts selection or input processing by the keyboard 3 or the mouse 4. The DVD disc 10 is an optical disc such as a DVD-R disc, a DVD-RW disc, and a DVD-RAM disc that can record moving image data based on the DVD video standard, and has an MPEG-7 standardized DVD video format. Also included is a DVD disc capable of recording moving image data added with.

That is, in order to realize the functions according to the present invention, the following DVD video disc creation program with a search function is stored in the HDD 6 in advance. A movie data creation function for creating movie data based on the DVD-Video standard, and a DVD on which the movie data created by the movie data creation function can be added or rewritten.
The recording function to record on the disc, the search tag information creation and saving function to create and save the search tag information for the specified position of the video data created by the above video data creation function, and the above-mentioned video data playback A DVD video disc creation program with a search function for realizing a search function for searching a reproduction start position based on the search tag information stored by the search tag information creation and storage function.

A reproducing function of reproducing moving image data recorded on a computer-readable or rewritable DVD disc based on the DVD video standard on a computer, and a search tag for a specified position of the moving image data reproduced by the reproducing function. A search tag information creation / save function for creating and saving information, a search function for searching a playback start position based on the search tag information saved by the search tag information creation / save function, and the above search tag information A DVD video disc creation program with a search function for realizing the search tag information changing function for changing the search tag information stored in the creation and storage function.

Alternatively, the program may be installed in the HDD 6 via a computer-readable recording medium such as a floppy disk or a CD which records the above-described DVD video disk creation program with a search function.

In this way, the CPU 1 executes the DVD video disc creation program with the search function to operate each of the above sections 2 to 7 to create the video data based on the DVD video standard. And recording means for recording the moving image data created by the moving image data creating means on a rewritable or rewritable DVD disc, and search tag information for a specified position of the moving image data created by the moving image data creating means. A tag information creating / storing means for searching which is created and saved in correspondence with the video data, and a playback start position based on the tag information for searching saved by the tag information creating / saving means for searching when playing the video data. Fulfills the function of a search means for searching.

Also, reproducing means for reproducing moving picture data recorded on the write-once or rewritable DVD disk based on the DVD video standard, and retrieval tag information for a specified position of the moving picture data reproduced by the reproducing means. Of the search tag information creating and saving means for creating and saving the moving picture data and the search means for searching the reproduction start position based on the search tag information saved by the search tag information creating and saving means. It also functions.

Further, the search tag information changing means for changing the search tag information saved by the search tag information creating / storing means and the moving image data in which the search tag information is saved by the search tag information creating / storing means. It also functions as search tag information adding means for creating new search tag information and additionally storing it.

Next, the processing of this DVD video disc creating apparatus will be described. FIG. 1 is a flow chart showing the processing according to claims 1, 5 and 7 of the present invention in this DVD video disc producing apparatus. In this process, in step (indicated by “S” in the figure) 1, the moving picture data is created and stored in the HDD, and when a plurality of moving picture data is created, the moving picture data to be written to the DVD disc by the user is determined by the user The preview (playback of the video) is also executed based on the selection from the user and the playback video is displayed on the display.
If there is a stop instruction by the user operation during the preview on the display while executing the preview, the playback is stopped at the position where the stop is instructed and the moving image is stopped, and the step 3
When there is an instruction to insert a search tag (for example, clicking the left button of the mouse), the time information of the position where the moving image is stopped is acquired and stored in the main memory.

In step 4, it is determined whether or not a preview restart instruction has been given (for example, a preview restart button displayed on the screen of the display has been clicked with a mouse or the left mouse button has been clicked again). When the restart of the preview is instructed in the determination of step 4, the process proceeds to step 9 to restart the preview, restart the reproduction of the moving image from the stationary position and display it on the display, and return to step 2 to repeat the above process. For example, if it is determined in step 4 that the preview restart has not been instructed for a predetermined time, it is determined that the preview restart has not been instructed, and step 5
Then, it is judged whether the preview end is instructed (for example, clicking the right mouse button) or not.

If the end of the preview is not instructed in the judgment in step 5, this judgment processing is continued. It should be noted that if the end of the preview is not instructed even after the lapse of a predetermined time, the process may proceed to step 9 to restart the preview. When the end of the preview is instructed in the judgment in step 5, the process proceeds to step 6 and every time there is an instruction to insert the tag for search, a tag information file for search in which each time information held in the main memory is listed is created, and the search tag information file is created. Make the tag information file correspond to the DVD disc (for example, DV
HD with the disk ID obtained from the D disk)
Save to D. A DVD disc is inserted into the DVD drive, and the process proceeds to step 7 to determine whether or not there is an instruction from the user to create a DVD video disc with a search function from the keyboard or mouse.

A DVD with a search function is determined by the judgment in step 7.
If there is no instruction to create a video disc, the process proceeds to step 10 to convert the moving image data stored in the HDD (selected as the moving image data to be written) into the DVD video format of the DVD video standard, and the DVD drive drives the DVD disc. , And the process ends. If it is determined in step 7 that there is an instruction to create a DVD video disc with a search function, the process proceeds to step 8 and the HDD
Converts the video data stored in the DVD (selected as the video data to be written) to the DVD video format of the DVD video standard, and D
Record on VD disc, then D on DVD disc
The search tag information file corresponding to the moving image data stored in the HDD is recorded immediately below the VD video root directory, and this processing ends.

D with search function created in this way
When playing back moving image data, the VD video disc is played back by searching the playback start position from the position of the search tag by the user selecting a search tag based on the stored search tag information, for example. can do. Therefore, it is not necessary to perform fast-forward reproduction from the beginning of the moving image data to repeat a desired scene each time the reproduction is performed, and the usability in reproducing the DVD video data can be greatly improved.

FIG. 3 is a flow chart showing the processing according to claims 2, 6 and 8 of the present invention in this DVD video disc producing apparatus. In this process, in step (indicated by “S” in the figure) 21, the DVD video disc on which the moving image data is recorded is inserted into the DVD drive, and the user edits the DVD video disc with the mouse or keyboard (search tag). (Insertion target) and fast-forward playback are instructed, fast-forward playback of the selected video data is started, and the fast-forward playback video is displayed on the display. The speed of this fast-forward reproduction may be arbitrarily selected by the user.

If there is a stop instruction by a user operation during fast-forward reproduction on the display in step 22, the reproduction is stopped at the position instructed to stop the moving image, and the operation proceeds to step 23 for searching. When there is a tag insertion instruction (for example, clicking the left button of the mouse), the time information of the position where the moving image is stopped is acquired and stored in the main memory. In step 24, it is determined whether or not an instruction to restart fast-forward reproduction has been given (for example, an instruction by clicking the fast-forward reproduction restart button displayed on the screen of the display or re-clicking the left mouse button).

If it is determined in step 24 that the fast-forward reproduction is instructed, the process proceeds to step 29, the fast-forward reproduction is resumed, the fast-forward reproduction of the moving image is resumed from the stationary position, and the result is displayed on the display, and the process returns to step 22. The above process is repeated. In step 24, for example, when the fast-forward reproduction restart is not instructed for a predetermined time, it is determined that the fast-forward reproduction restart is not instructed, and the process proceeds to step 25 to instruct the end of the fast-forward reproduction (for example, clicking the right button of the mouse). ) Is determined.

If the end of fast-forward reproduction is not instructed in the judgment in step 25, this judgment processing is continued. If the end of fast-forward playback is not instructed even after the predetermined time has passed,
You may make it advance to step 29 and restart fast forward reproduction. When the end of the fast-forward reproduction is instructed in the determination in step 25, the process proceeds to step 26, and each time there is an instruction to insert a search tag, a search tag information file is created that lists each time information held in the main memory, and the search is performed. The tag information file for use is stored in the HDD in association with the DVD disc (for example, with the disc ID acquired from the DVD disc added).

In step 27, it is judged whether or not the user has instructed the creation of the DVD video disc with the search function from the keyboard or the mouse. Step 27
If it is determined that there is no instruction to create a DVD video disc with a search function, this process is ended. If it is determined in step 27 that there is an instruction to create a DVD video disc with a search function, the process proceeds to step 28, and search tag information corresponding to the moving image data stored in the HDD immediately below the DVD video root directory on the DVD disc. The file is recorded and this process ends.

As described above, in the DVD video disc with the search function in which the search tag information is recorded, the user selects the search tag, for example, based on the stored search tag information when reproducing the moving image data. By doing so, the reproduction start position can be searched and reproduced from the position of the search tag.

FIG. 4 is a flow chart showing the processing according to claim 3 of the present invention in this DVD video disc producing apparatus. This process is performed in step (indicated by "S" in the figure) 31 by adding the search function D to the DVD drive.
When the VD video disk is inserted, the user selects the moving image data of the search tag from the mouse or keyboard, and the instruction to change the search tag is issued, the DV
The retrieval tag information file corresponding to the moving image data is read from the D video disc and stored in the HDD.

In step 32, the tag change window is displayed on the display, and the scene obtained from the moving image data is stopped based on the tag list based on the search tag information file stored in the HDD and the time information corresponding to each tag. Display images as thumbnails, and when the user selects one of the thumbnails (for example, the tag displayed on the screen of the display is selected by clicking the mouse),
The preview of the video from the selected thumbnail scene is executed, and the tag in the tag list is selected (for example, the tag displayed in the screen of the display is selected by clicking the mouse), and the selected tag is selected. Make tags modifiable.

When it is instructed to delete the tag (for example, the delate key is pressed) in step 33, the tag and the time information of the tag are deleted, and when the tag change is instructed, the tag is newly added in the moving image. The time information of the specified designated position is acquired and changed to that time information (the above is deleted or overwritten from the tag information file for search on the HDD). In step 34, it is determined whether or not the tag change end is instructed (for example, the change end button displayed on the display screen is clicked with the mouse), and if the tag change end is not instructed, step 33 Return to and repeat the above process, and when the end of tag change is instructed,
Proceed to step 35, close the tag change window, and
In the search tag information file recorded directly under the DVD video root directory on the VD disc, the HDD
The changed search tag information file saved in is recorded by overwriting and changed, and this processing ends. In this way, the user can easily change the inserted search tag later.

FIG. 5 is a flow chart showing the processing according to claim 4 of the present invention in this DVD video disc producing apparatus. In this process, in step (indicated by “S” in the figure) 41, the DVD video disc on which the moving image data is recorded is inserted into the DVD drive, and the user edits the DVD video disc with the mouse or keyboard (tag for search). When the video data of (additional insertion target of) and the fast-forward playback are instructed, the fast-forward playback of the selected video data is started and the fast-forward playback video is displayed on the display. The speed of this fast-forward reproduction may be arbitrarily selected by the user.

If there is a stop instruction by a user operation during fast-forward reproduction on the display in step 42, the reproduction is stopped at the position instructed to stop the moving image, and the operation proceeds to step 43 for searching. When there is a tag insertion instruction (for example, clicking the left button of the mouse), the time information of the position where the moving image is stopped is acquired and stored in the main memory. In step 44, it is determined whether or not an instruction to restart fast-forward playback has been given (for example, an instruction by clicking the fast-forward playback restart button displayed on the screen of the display or re-clicking the left mouse button).

When it is judged in step 44 that the fast-forward reproduction is restarted, the process proceeds to step 49, the fast-forward reproduction is restarted, the fast-forward reproduction of the moving image is restarted from the stationary position and displayed on the display, and the process returns to step 42. The above process is repeated. For example, when it is determined in step 44 that the fast-forward playback restart is not instructed, it is determined that the fast-forward playback restart is not instructed, and the process proceeds to step 45 to instruct the end of the fast-forward playback (for example, clicking the right button of the mouse). ) Is determined.

If the end of fast-forward reproduction is not instructed in the judgment of step 45, this judgment processing is continued. If the end of fast-forward playback is not instructed even after the predetermined time has passed,
You may make it advance to step 49 and restart fast forward reproduction. When the fast-forward reproduction end is instructed in the judgment of step 45, the process proceeds to step 46, and every time there is a tag insertion instruction for search, a search tag information file is created which lists each time information held in the main memory, and the search is performed. The tag information file for use is stored in the HDD in association with the DVD disc (for example, with the disc ID acquired from the DVD disc added).

In step 47, it is determined whether or not there is an instruction from the user to save the tag information file for search from the keyboard or mouse. If it is determined in step 47 that there is no instruction to save the search tag information file, this processing is ended as it is. If it is determined in step 47 that there is an instruction to save the tag information file for search,
Proceeding to step 48, a search tag information file corresponding to the moving image data stored in the HDD with a file name different from the already recorded search tag information is added immediately below the DVD video root directory on the DVD disc. Record and end this process.

It is preferable that the user can arbitrarily input the file name. In this way, a plurality of types of search tag information can be added to the moving image data of the DVD video disc with a search function, and the user can select a desired type of search tag information when reproducing the moving image data. Can be used.

Further, the additional registration of the search tag information is performed by DV.
It can also be performed during playback of the D-video disc. In this case, the moving image data is created and stored in the HDD, and when a plurality of moving image data is created, the user selects the moving image data to be written on the DVD disc with the mouse or keyboard, and also based on the instruction from the user. Preview (play video) to display the playback video on the display, and if there is a stop instruction by the user operation during the preview on the display, the playback is stopped at the position where the stop instruction is given When the moving image is stopped and a search tag insertion instruction is given (for example, clicking the left button of the mouse), time information of the position where the moving image is stopped is acquired and stored in the main memory.

Next, it is judged whether or not the preview restart is instructed (for example, the preview restart button displayed on the screen of the display is instructed by clicking the mouse or the left mouse button is re-clicked), and the preview is restarted. When instructed, the preview is resumed, the reproduction of the moving image is resumed from the stationary position, the moving image is displayed on the display, the process returns to the above process, and the above process is repeated. On the other hand, for example, when the preview restart is not instructed for a predetermined time, it is determined that the preview restart is not instructed, it is determined whether the preview end is instructed (for example, clicking the right mouse button), and the preview end is determined. If not instructed, this determination process is continued. Note that the preview may be restarted if the end of the preview is not instructed even after the lapse of a predetermined time.

When the end of the preview is instructed, a search tag information file is created in which each time information held in the main memory is listed every time the search tag insertion instruction is issued, and the search tag information file is stored in the search tag information file. The data is stored in the HDD in association with the DVD disc (for example, by adding the disc ID acquired from the DVD disc). At this time, the user can input an arbitrary file name.

Further, when the above-described processing is repeated to create the next type of search tag information file, a file name different from the above is given and stored in the HDD. In this manner, the necessary number of search tag information files for the user are created, and it is determined whether or not the user has instructed the creation of the DVD video disc with the search function from the keyboard or mouse, and the DVD video disc with the search function is determined. If there is an instruction to create, the moving image data stored in the HDD (selected as the moving image data to be written) is converted into the DVD video format of the DVD video standard and recorded on the DVD disc by the DVD drive, and then DV.
Immediately below the DVD video root directory on the D disc, a plurality of types of search tag information files corresponding to the moving image data stored in the HDD are recorded, and this process ends.

When reproducing a DVD video disk, the DVD video disk producing apparatus of this embodiment can follow the search tag to the scene to be skipped and reproduce it from that position. Therefore, it is possible to develop an application that repeatedly reproduces the scene between the search tags, and further improve the usability for the user.
Also, before recording the TV image on the DVD disc, CM
It is possible to attach a search tag to the beginning and end of each and cut only the CM portion at the time of recording on a DVD disc, or cut and reproduce the CM portion at the time of reproduction even when recording with a CM.

[0045]

As described above, according to the information recording / reproducing apparatus, the program, and the computer-readable recording medium of the present invention, it is possible to reproduce from a scene desired by the user with a simple operation.

[Brief description of drawings]

FIG. 1 is a flow chart showing the processing according to claims 1, 5 and 7 of the present invention in the DVD video disc creating apparatus shown in FIG.

FIG. 2 is a block diagram showing a configuration of a DVD video disc creating apparatus according to an embodiment of the present invention.

FIG. 3 is a flow chart showing the processing according to claims 2, 6 and 8 of the present invention in the DVD video disc creating apparatus shown in FIG.

FIG. 4 is a flowchart showing a process according to claim 3 of the present invention in the DVD video disc creating apparatus shown in FIG.

FIG. 5 is a flow chart showing a process according to claim 4 of the present invention in the DVD video disc creating apparatus shown in FIG.

[Explanation of symbols]

1: CPU 2: Main memory 3: Keyboard 4: Mouse 5: Display 6: HDD 7: DVD drive 10: DVD disc

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) G11B 7/007 G11B 7/007 5D110 20/10 301 20/10 301Z 20/12 20/12 27/00 27 / 00 D H04N 5/85 H04N 5/85 B F Term (reference) 5B075 MM01 ND12 NK02 NK24 NR03 NR05 NR20 UU36 5C052 AA01 AA02 AA03 AA04 AB02 AB03 AB04 AB09 AC08 CC01 CC06 CC11 DD04 EE02 DE07 DE23 DE04 DE04 DE04 DE4 DE4 EF05 FG18 GK11 5D077 AA30 BA11 CB02 DC03 DE02 5D090 AA01 CC14 FF24 GG36 5D110 AA19 DA12 DA17 DD01 EB04

Claims (8)

[Claims] 1. A moving picture data creating means for creating moving picture data based on the DVD video standard, a recording means for recording moving picture data created by the moving picture data creating means on a rewritable or rewritable DVD disc, and the moving picture data. Search tag information creation and storage means for creating search tag information for a specified position of the video data created by the creating means and saving the search tag information in correspondence with the video data.
An information recording / reproducing apparatus comprising: a search unit that searches a reproduction start position based on the search tag information stored by the search tag information creation / storage unit when the moving image data is reproduced. 2. Reproduction means for reproducing moving picture data recorded on a write-once or rewritable DVD disk based on the DVD video standard, and search tag information for a specified position of the moving picture data reproduced by the reproduction means. And a search means for creating and storing the tag information for creating and storing the moving picture data, and a searching means for searching the reproduction start position based on the search tag information saved by the creating and storing tag information for search. An information recording / reproducing apparatus comprising: 3. The information recording / reproducing apparatus according to claim 1, further comprising search tag information changing means for changing the search tag information stored by the search tag information creating / storing means. Information recording / reproducing apparatus. 4. The information recording / reproducing apparatus according to claim 1 or 2, wherein new search tag information is created and additionally stored in the moving image data in which the search tag information creation and storage means has saved the search tag information. An information recording / reproducing apparatus provided with a search tag information adding means. 5. A moving image data creation function for creating moving image data based on the DVD video standard on a computer, and a recording function for recording moving image data created by the moving image data creation function on a rewritable or rewritable DVD disc. A search tag information creation / save function that creates and saves search tag information for a specified position of the video data created by the video data creation function, and the search tag information creation / save when playing the video data A program for realizing a search function for searching a reproduction start position based on the search tag information stored by the function. 6. A reproducing function of reproducing moving image data recorded on a computer-writable or rewritable DVD disc based on the DVD video standard on a computer, and searching for a specified position of the moving image data reproduced by the reproducing function. Tag information creation and saving function for creating and saving tag information for searching, a search function for searching a reproduction start position based on the tag information for searching saved by the tag information creating and saving function for searching, and the search function A program for realizing the search tag information changing function for changing the search tag information saved in the tag information creating and saving function. 7. A moving picture data creating function for creating moving picture data based on the DVD video standard on a computer, and a recording function for recording moving picture data created by the moving picture data creating function on a rewritable or rewritable DVD disc. A search tag information creation / save function that creates and saves search tag information for a specified position of the video data created by the video data creation function, and the search tag information creation / save when playing the video data A computer-readable recording medium recording a program for realizing a search function for searching a reproduction start position based on search tag information stored by the function. 8. A reproducing function of reproducing moving image data recorded on a computer-writable or rewritable DVD disc based on the DVD video standard on a computer, and searching for a specified position of the moving image data reproduced by the reproducing function. Tag information creation and saving function for creating and saving tag information for searching, a search function for searching a reproduction start position based on the tag information for searching saved by the tag information creating and saving function for searching, and the search function A computer-readable recording medium in which a program for realizing the search tag information changing function for changing the search tag information stored in the tag information creating and storing function is recorded.