JP2002027385A - Optical disk video information selecting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically switch the selection of a chapter and the selection of one of plural scenes that can be selected only with the numerical keys. SOLUTION: A means for inputting information for selecting a desired video from an optical disk where video data constituted of a plurality of chapters having the scenes that can be selected is the numerical key. The selection of the chapter or the scene is automatically discriminated based on the depression time when the numerical key is depressed, the chapter in the middle of reproduction and the presence or absence of a plurality of scenes. When a plurality of scenes which can be selected exist in the chapter in the middle of reproduction and the depression time of the numerical key is short, the scene is selected, and the chapter is selected when the depression time is long. When a plurality of scenes do not exist in the chapter, the chapter is automatically selected.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disk image information selecting device for reading a desired image from an optical disk, and more particularly to a selecting device for efficiently obtaining a desired image.

[0002]

2. Description of the Related Art Conventionally, as an optical disk reproducing apparatus,
There is known a reproducing apparatus in which a plurality of scenes (multi-scenes) which are time-series images and are simultaneously proceeding are included in program information recorded on an optical disc, and which can be switched and selected arbitrarily by a user. (For example, see Japanese Patent Application Laid-Open No. 10-340570).

In a video program including a multi-scene sequence having a plurality of selectively reproducible scenes,
There is known a disc information recording method and a disc reproducing apparatus capable of immediately reproducing a selected scene even when a user gives a scene switching instruction during video reproduction (Japanese Patent Laid-Open No. 10-322654). reference).

In these multi-scene reproducing apparatuses, in order to obtain a desired video from the multi-scene video, a predetermined video scene (a time-series scene, hereinafter referred to as a ), And from the screen on which the video is displayed, the display of the presence or absence of a plurality of selectable scenes (hereinafter, referred to as multi-angle) or the display of the list, and confirms the direction key or selection. A desired angle image is selected by operating keys and the like.

[0005]

However, according to the above-described video selection method, a numeric key for switching chapters, a direction key for switching angles, and a selection confirmation key are required, and the selection operation of the multi-angle function is not performed. It was complicated.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and it is possible to select a desired video scene (chapter) and a plurality of scenes (multi-angle) only by operating the numeric keys. It is another object of the present invention to provide an optical disk video information selecting device which is easy to operate.

[0007]

According to one aspect of the present invention, a plurality of chapters having one or more selectively reproducible scenes recorded on an optical disk are provided. An optical sensor that reads video data together with address information, a signal processing unit that processes the video data read by the optical sensor so that it can be displayed, a video display unit that displays the presence of a video and the plurality of scenes, and an external input. Based on the selected chapter or scene selection information, the optical disc video information selection device including video read control means for reading and reproducing the video data at the corresponding address, the selection information for selecting the video chapter or scene, The input means is a numeric key for inputting a number corresponding to the chapter or the scene, and the image read control means is a numeric key. When it is depressed, based on whether or not there is a plurality of scenes in the pressed time and the chapter being reproduced, it is determined whether the chapter is selected or the scene is selected, and the chapter of the corresponding number is searched, Alternatively, the playback video is switched to the scene of the corresponding number.

In the above configuration, when a desired numeric key is pressed, whether a chapter or a scene is selected is determined based on the pressing time and whether or not a chapter being reproduced has a plurality of scenes. Is automatically switched to the chapter corresponding to the number of the numeric key or one of a plurality of video scenes.

The invention described in claim 2 is the first invention.
In the device described in the item (2), the video reading control unit is configured to perform the operation when the video being reproduced includes a plurality of scenes in the chapter being reproduced and the pressing time of the numeric key is shorter than a predetermined time. Select a scene corresponding to the number of the numeric key, and when the pressed time of the numeric key is longer than a predetermined time, directly search for the chapter corresponding to the number of the pressed numeric key. When there is no video of a plurality of scenes in a chapter, the chapter corresponding to the number of the pressed numeric key is directly searched.

In the above configuration, when a chapter includes images of a plurality of scenes, if the numeric key is pressed for a long time, the chapter of the numeric key is selected. The scene with the key number is selected. On the other hand, when there are no multiple scenes in a chapter,
The chapter with the number of the numeric key is directly selected.

[0011] The invention according to claim 3 is based on claim 1.
Alternatively, in the apparatus according to claim 2, the optical disk is a digital video disk, and videos of a plurality of scenes have different camera angles.

In the above-described configuration, it is possible to select a video composed of a plurality of chapters recorded on a digital video disc and video scenes of different camera angles in each chapter by a simple operation.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration diagram of an optical disk device provided with the optical disk image information selection device of the present invention. FIG. 2 is a layout diagram of video data recorded on a digital video disk (hereinafter, referred to as a DVD) 10, which is one of the optical disks, in which a predetermined video data recording area Rp and its address information are recorded. 4 shows an arrangement of an address region Rp. The video data recorded in the video data recording area Rp may be recorded at a high density by a data compression process.

FIG. 3 is a view showing the structure of video data recorded on the DVD 10. The video data 32 includes a plurality of chapters 30 having different contents (each having CH1, CH2,.
CHN), and some of the chapters 30 include a plurality of selectively switchable scenes 31 (each of MS1 to MS3). Etc.) data # 21, # 22,
# 23. FIG. 4 shows a plurality of scenes 31 (for example, CH3, MS1 to MS1) that can be selectively switched.
This is an example of 3), which is an image from a plurality of camera angles used for a sports image (referred to as a multi-angle). In addition, the plurality of selectable scenes include images of a plurality of selectable products, a large number of landscape images, and the like. Further, each channel 30 and the scene 31 constituting each channel 30 are video data of image data or audio data, and video and audio during reproduction are associated with each other by the video signal processing unit 20 described later.

Hereinafter, the configuration of an optical disk device provided with an optical disk video information selection unit will be described with reference to FIG. DV
D10 is video data 32 composed of a plurality of chapters 30 having one or a plurality of scenes 31 which can be selectively reproduced.
Is recorded together with the address information. This DVD1
“0” is driven to rotate by the motor 12 based on an external signal input to the optical disk drive unit 11.

Further, an optical sensor 15 for receiving reflected light of light irradiated onto the DVD 10 by the lens 16 is provided for reading the video data 32 recorded on the DVD 10. Here, the optical sensor 15 is a generic term for a combination of a light emitting element such as a laser diode and a light receiving element such as a photodiode. The moving table 14 on which the optical sensor 15 is mounted moves the optical sensor 15 to a position on the DVD 10 where video data of a predetermined address is recorded.
3 driven.

The optical disk video information selecting section 19 is composed of a numeric key 17 and a video reading control section 18. The numeric key 17 is used to enter the desired chapter 30 or scene 3
This is a selection key for inputting the number 1. When the numeric key 17 is pressed, if there is a multi-scene in the currently reproduced chapter, the video reading control unit 18 detects the pressing time and determines whether the chapter 30 is selected based on the pressing time. It is determined whether the scene 31 has been selected, and a signal instructing the selection of the chapter 30 of the corresponding number corresponding to the selection request from the numeric key 17 or the scene 31 of the corresponding number is output to the optical sensor driving unit 13. . In addition, the video read control unit 18 sends a chapter 30 to the video signal processing unit 20.
Alternatively, it is transmitted whether the scene 31 has been selected.

The video signal processing section 20 performs processing such as decompression processing of the image and audio data compressed by the data detected by the optical sensor 15 and processing for associating a predetermined image with audio data. Output to The video display unit 21 displays the selected video and the selected chapter 30.
Is displayed, or a list of the plurality of selectable scenes 31 is displayed.

FIG. 5 shows the optical disk video information selecting section 1.
9 is a flowchart illustrating the operation of FIG. The optical disc video information selection unit 19 automatically switches the selection of a chapter or a scene based on whether the pressing time of the numeric key 17 is longer or shorter than a predetermined time if the currently reproduced chapter has a multi-scene. It is. Here, the predetermined time is based on the pressing time of the numeric key 17 when a chapter is selected, and is set to a predetermined time, for example, 50 msec, by a logic circuit of the apparatus. Now, it is assumed that, for example, the second chapter (CH2) in the structure of the video data 32 shown in FIG. 3 is selected. In FIG. 5, when the number “2” of the chapter CH2 is pressed from the numeric key 17 (step S1, hereinafter, the description of the steps is omitted), a plurality of scenes (referred to as multi-scene) 31 that can be selected in the chapter (CH2) are shown. (S2
NO), the pressed number “2” -th chapter (CH
2) is directly selected (S5).

For example, the third chapter CH3
Is being reproduced, for example, the second scene MS2 of the multi-scene of chapter CH3 is selected.
In FIG. 5, the second scene MS from the numeric key 17
When the number “2” of No. 2 is pressed (S1), the chapter CH
Since there is multi-scene information in 3 (YES in S2),
The process proceeds to S3, and if the pressing time of the numeric key 17 is shorter than the predetermined time (YES in S3), the scene is switched to the scene of the pressed number (MS2 of CH3) (S4).

In S3, if the pressing time of the numeric key 17 is longer than the predetermined time (NO in S3), the chapter CH2 of the pressed number is directly selected (S5).

By outputting the number corresponding to the channel 30 or the scene 31 obtained as described above to the optical sensor driver 13, a desired image can be obtained. That is,
A desired video can be selected only by operating the numeric keys 17.

The present invention is not limited to the configuration of the above embodiment, and various modifications are possible. For example, in the above embodiment, the recording medium is described as the DVD 10, but the DVD 10 may be a compact disk (CD).

[0024]

As described above, according to the first aspect of the present invention, selection information for selecting a chapter or a scene of a video is input to an optical disk video information selection device for reading desired video data from an optical disk. When the numeric key is pressed, the video reading control means determines whether a chapter has been selected based on the pressed time and whether or not the chapter being reproduced has a plurality of scenes. Since it is determined whether or not the selected scene is selected, the chapter of the corresponding number is searched, or the reproduced video is switched to the scene of the corresponding number. Multi-angle) can be selected.

According to the second aspect of the present invention, the image reading control means, if there are images of a plurality of scenes in the chapter being reproduced, when the pressing time of the numeric key is shorter than a predetermined time. Select the scene with the number of the numeric key, select the chapter with the number of the numeric key if the pressing time is longer than the predetermined time, and select the chapter with the number of the numeric key if there are no more than one scene in the chapter. To choose,
A desired video scene (chapter) and a plurality of scenes (multi-angle) can be selected only by operating the numeric keys.

According to the third aspect of the present invention, the optical disk is a digital video disk, and the images of a plurality of scenes have different camera angles, so that chapters can be selected from the digital video disk.
Alternatively, the selection of one of the images having different camera angles can be automatically switched only by operating the numeric keys.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an optical disc device including an optical disc video information selection device according to an embodiment of the present invention.

FIG. 2 is a layout diagram of video data recorded on an optical disc.

FIG. 3 is a diagram showing a structure of video data recorded on an optical disc.

FIG. 4 is a diagram showing an example of images from a plurality of camera angles.

FIG. 5 is a flowchart illustrating the operation of an optical disk video information selection unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Digital video disk 11 Optical disk drive part 13 Optical sensor drive part 15 Optical sensor 17 Numeric key 18 Video reading control part 19 Optical disk video information selection part 20 Video signal processing part 21 Video display part 30 Chapter 31 Scene 32 Video data

Claims (3)

[Claims] 1. An optical sensor for reading video data composed of a plurality of chapters having one or more selectively reproducible scenes recorded on an optical disk together with address information, and video data read by the optical sensor. Signal processing means for processing so as to be able to display, video display means for displaying the presence of the video and the plurality of scenes, based on selection information of a chapter or scene input from the outside, the video data of the corresponding address An optical disc video information selection device comprising: a video readout control unit for reading and reproducing; and a unit for inputting selection information for selecting a chapter or a scene of the video is a numeric key for inputting a number corresponding to the chapter or the scene. When the numeric key is depressed, the video readout control means determines the depressed time and the chapter being reproduced. Based on whether or not there are a plurality of scenes, it is determined whether the chapter is selected or the scene is selected, and the chapter of the corresponding number is searched, or the playback video is switched to the scene of the corresponding number. An optical disc video information selecting device, characterized in that: 2. The image reading control means according to claim 1, wherein when a chapter being reproduced has images of a plurality of scenes, and when a pressing time of said numeric key is shorter than a predetermined time, said numeric key is pressed. Select a scene corresponding to the number of the numeric key, and when the pressing time of the numeric key is longer than a predetermined time, directly search for the chapter corresponding to the number of the pressed numeric key, 2. The optical disc video information selection device according to claim 1, wherein when there is no video of a plurality of scenes in the chapter being reproduced, the chapter corresponding to the number of the pressed numeric key is directly searched. 3. The optical disk image information selecting device according to claim 1, wherein the optical disk is a digital video disk, and the images of the plurality of scenes have different camera angles. .