JP2008310874A - Optical disk device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an optical disk device capable of verifying whether a disk can be reproduced, as regards each optical disk in which data are recorded. <P>SOLUTION: Disk information of an optical disk recording data is retrieved by a retrieval part 12, and communication is made with a PC200A connected to the optical disk device 100 to obtain the disk information of the optical disk to be retrieved. By collating the obtained disk information with disk type information of the optical disk reproducible by the optical disk device 100 and recorded in a table form in a memory 16, whether the optical disk to be retrieved can be reproduced or not by the optical disk device 100 is determined. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an optical disc apparatus that determines whether or not playback is possible for an optical disc on which data is recorded.

  In recent years, optical discs such as CD (Compact Disc), DVD (Digital Versatile Disk), and BD (Blu-ray Disc; registered trademark) are widely used as recording media. Due to its size, it is also used as a large-capacity data recording medium for storing moving images such as movies.

  There are several types of optical discs for DVDs and BDs depending on standards and uses. As an example of DVDs by use, “DVD-ROM” dedicated for reading, “DVD-R” that can be recorded only once. "DVD-RW" capable of recording and reproduction, "DVD-RAM" characterized by the same ease of use as a floppy (registered trademark) disk, etc. R and DVD + R.

  As described above, since there are several types of optical discs for DVDs and BDs, even optical disc devices that perform recording and playback of DVDs and BDs, and some types of optical disc devices that can record and play back all types of optical discs. There is an optical disc apparatus capable of recording / reproducing only on an optical disc.

  Therefore, when a user purchases or rents an optical disc containing movies, etc., it is necessary to determine whether or not the optical disc is compatible with the optical disc device to be played back. I have to keep it.

However, as described above, since there are a plurality of disc types of optical discs, it is very difficult to grasp all the disc types of optical discs that can be played back by the optical disc device owned by the optical disc.
In addition, an erroneous purchase of the optical disk due to a misunderstanding or the like may reduce the user's willingness to purchase.

  In Patent Document 1, data reproduced from a first storage medium such as a CD can be identified when the data is stored in a second storage medium such as an HDD (Hard Disk Drive) or after the storage. A recording apparatus is described in which information relating to a first storage medium is acquired from a database or the like using such identification information, and the acquired data is stored in association with data stored in a second storage medium.

Patent Document 2 describes a DVD player having a WWW browser and a DVD title disk having a jump destination table linked to the video information in addition to the video information and audio information that a normal DVD has. Yes.
In this document, when a DVD corresponding to each scene exists during playback of a DVD title disc on a DVD player that also has a WWW browser, a Web jump icon is displayed and the user has entered the Web jump effective range. Be notified.

Patent Document 3 describes a management device that stores disk information in association with TOC (Table of contents) information for identifying a disk.
The management device acquires the TOC information of the disc played through the disc playback device, detects the target disc information from the disc information stored in the management device based on the acquired TOC information, If it cannot be detected, the target disk information is detected by connecting to the database via the network, and the acquired disk information is stored.

Patent Document 4 describes a recording / reproducing apparatus that automatically records title character information corresponding to ISRC when recording data from a medium having an international standard recording code (ISRC) to another medium. .
In this apparatus, the ISRC is stored in a memory, the title character information corresponding to the ISRC stored in the memory is downloaded by accessing the title data database corresponding to the stored ISRC, and the downloaded title character information is stored in the memory. The title character information stored in the memory is automatically recorded on another medium for recording data.

  Patent Document 5 reads out attribute information from the Descriptor of the AV recorder, selects a file that can be played back by the AV recorder based on the read attribute information, creates a GUI (Graphical User Interface) from the selection result, A decoding device for displaying on an external device such as a monitor is described.

JP 2000-200475 A JP 2000-207873 A JP 2001-283568 A JP 2001-312877 A JP 2001-359050 A

  In the above-mentioned patent documents 1 to 5, when a user purchases or rents an optical disc on which a movie or the like is recorded and is played back by a playback device owned by the user, whether or not the optical disc is compatible with this playback device. Since it is necessary to determine the disc type of a reproducible optical disc in advance, it is possible to prevent the occurrence of an optical disc mis-purchase caused by a misunderstanding, etc. Cannot be prevented.

  In view of the above-described problems, an object of the present invention is to provide an optical disc apparatus capable of verifying whether or not reproduction is possible for each optical disc on which data is recorded.

In the present invention, a reproducing unit that reproduces data from an optical disc, a video processing unit that performs image processing of a video reproduced by the reproducing unit, and an audio processing unit that performs audio processing of audio reproduced by the reproducing unit; The optical disk apparatus includes a search means for searching for disk information of an optical disk on which data is recorded, and a verification means for verifying the disk information of the optical disk obtained by the search means.
Then, based on the verification result of the verification means, it is determined whether or not the optical disk can be reproduced in the reproduction unit.

  In this way, it is possible to confirm in advance whether or not the optical disk to be purchased can be played back by a playback device owned by the player. As a result, it is possible to prevent users from purchasing optical discs that are not compatible with playback devices by mistake, and to avoid meaningless expenses due to purchase mistakes. A decrease can be prevented.

The search means in the present invention includes a search unit for searching for disc information of an optical disc, a communication unit for communicating with a database on a computer network connected to the optical disc device, and disc information of the optical disc acquired from the database. The first recording unit for recording
Then, along with the search of the disc information of the optical disc in the search unit, the communication unit starts communication with the database and records the disc information of the optical disc acquired from the database in the first recording unit.

  As a result, the disc information of the optical disc to be reproduced can be acquired from the database on the computer network in addition to the reproduction of the optical disc by one optical disc apparatus without requiring a new communication device for searching.

The verification means in the present invention includes a verification unit that verifies whether or not the optical disc can be played back by the playback unit, and a second recording unit that records the disc type information of the optical disc that can be played back by the playback unit.
Then, the disc type information included in the disc information recorded in the first recording unit and the disc type information recorded in the second recording unit are collated by the verification unit, thereby matching the disc type information. If there is matching disc information, it is determined that playback is possible. If there is no matching disc information, it is determined that playback is not possible.

  As a result, it is possible to determine whether or not playback is possible in the playback unit of the optical disc that has been searched by the search unit, based on the presence or absence of the matching disc type information. Can be used.

  According to the present invention, it is possible to confirm in advance whether or not the optical disc to be searched can be reproduced in the device by searching the disc information of the optical disc on which data is recorded and verifying the obtained disc information.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a diagram showing an example of the overall configuration of an optical disc apparatus according to the present invention.
In the figure, 100 is an optical disc apparatus for recording / reproducing optical discs, 200A is a PC (Personal Computer) connected to the optical disc apparatus 100, 200B is a database on a computer network connected to the optical disc apparatus 100, and 300 is an optical disc apparatus. A television receiver, which is an output destination of video and audio reproduced in 100, is a remote control device 500 for remotely operating the optical disc apparatus 100.
The PC 200A holds a plurality of files including disc information (for example, a disc type expressed as a title name, BD-ROM, etc.) of an optical disc on which data such as a movie is recorded. These files are files created by user editing.
The database 200B is operated by a company or the like, and holds a lot of disc information of the above-described optical disc.

FIG. 2 is a block diagram showing an example of the optical disk apparatus of the present invention.
In FIG. 2, the same or corresponding parts as those in FIG.
In the figure, 11 is a microprocessor for controlling the entire optical disc apparatus 100, 12 is a search unit for searching for disc information of an optical disc in which data such as a movie is recorded, and 13 is an optical disc in accordance with search execution by the search unit 12. A communication unit that communicates with the PC 200A connected to the apparatus 100; and a memory 14 that is provided in the communication unit 13 and records the disc information of the optical disk that is a search target obtained when communicating with the PC 200A. Is a verification unit that verifies whether or not the optical disc searched by the search unit 12 can be reproduced in the optical disc apparatus 100, and 16 is provided in the verification unit 15, in which disc type information that describes the disc type of the optical disc that can be reproduced in the optical disc apparatus 100 is recorded. A recording / reproducing unit 17 for recording / reproducing an optical disc such as a DVD; Is a video processing unit that performs image processing of the video reproduced by the recording / reproducing unit 17, 19 is an audio processing unit that performs audio processing of the audio reproduced by the recording / reproducing unit 17, and 20 supplies power to each unit of the optical disc apparatus 100. The power supply unit 31 is provided in the television receiver 300, the LCD (Liquid Crystal Display) for displaying the video image processed by the video processing unit 18, and 32 is provided in the television receiver 300, and the audio processing unit 19 It is a speaker that outputs processed audio.

  FIG. 3 is a flowchart showing a method of searching for an optical disc that can be reproduced by the optical disc apparatus 100 described above.

First, in step S1, a button unit (not shown) provided on the front panel of the remote control device 500 or the optical disc apparatus 100 shown in FIG. 1 is operated to search the LCD 31 for disc information on the optical disc. Display the search screen.
FIG. 4A is an example of a search screen displayed on the LCD 31. In the figure, 33 is a search screen, 34 is a search condition setting field for inputting a title name and setting search conditions, and 35 is an execution button for starting and stopping search.

  Next, in step S2, in the search condition setting field 34, information relating to the optical disk scheduled to be played back by the optical disk device 100 (for example, title name, performer name, etc.) is input, search conditions are set, and the like. Select “Start Search” and execute the search.

  In step S <b> 3, the communication unit 13 starts communication by executing the search in step S <b> 2 and performs communication with the PC 200 </ b> A connected to the optical disc apparatus 100.

  The communication unit 13 extracts disk information related to the search target optical disk from the disk information of the optical disk held in the PC 200A, and records the extracted disk information in the memory 14 provided in the communication unit 13 in step S4.

In step 5, the disc type information included in the disc information related to the optical disc to be searched recorded in the memory 14 and the information recorded in the memory 16 and can be reproduced by the optical disc apparatus 100. Match information.
FIG. 5 is an example of two types of disc information to be collated. In the figure, 14A is information recorded in the memory 14, which is the disc information of the optical disc stored in CSV (Comma Separated Values) format, 14B is the disc type described in the disc information 14A, and 16A is the optical disc apparatus 100. The disc type information of the optical disc that can be reproduced in FIG.

  In step S6, as a result of the collation in step S5, it is collated whether or not there is a disc type that matches the disc type information 14B in the disc type information 16A. If there is a disc type that matches (step S6: YES), The process proceeds to step S7, and if there is no matching disk type (step S6: NO), the process proceeds to step S8 and subsequent steps.

In step S7, a verification result indicating that there is a matching disk type is received, and for example, a verification result indicating “applicable” as shown in FIG. 4B is displayed.
In the figure, 36 is a result display field for displaying a verification result, 37 is a disk information display unit for simply displaying information on the optical disk when there is information on the corresponding optical disk, and 38 is a new search or purchase of the corresponding disk. It is an execution button for executing.

  Further, in step S8, upon receiving the verification result indicating that there is no matching disk type, for example, a verification result “not applicable” as shown in FIG. 4C is displayed.

  In step S9, based on the verification result “not applicable” in step S8, the user selects whether or not to search again by changing the search condition. When searching, the process returns to step S2 and the execution button 38 The search is started again by selecting “new search”, and when the search is not performed, the display of the search screen is ended by selecting “end” in the execution button 38.

As described above, in the above-described embodiment, the search unit 12 searches the disc information of the optical disc on which the data is recorded, communicates with the PC 200A connected to the optical disc apparatus 100, and searches the disc of the optical disc to be searched. By acquiring information 14A and collating the acquired disc information 14A with the disc type information 16A of the optical disc that can be played back by the optical disc apparatus 100 and recorded in the memory 16 in a table format, It is possible to determine whether or not the optical disc to be searched can be reproduced on the optical disc apparatus 100.
As a result, it is possible to prevent an optical disc that is not compatible with the optical disc apparatus 100 from being purchased by mistake, and to avoid meaningless expenses due to purchase mistakes, thereby preventing a decrease in purchase motivation. can do.

  In the above-described embodiment, a recording / reproducing unit that performs recording / reproducing of an optical disc such as a DVD is provided. However, a reproducing unit having only a reproducing function may be provided.

  In the above-described embodiment, the PC 200A is cited as the disk information acquisition source of the optical disk. However, it is performed by a database 200B on a computer network operated by a company as shown in FIG. P2P (peer-to-peer) or the like may be used as the disk information acquisition destination.

  Further, in the above embodiment, the LCD 31 is used to display the verification result. However, the verification result can be transferred to a portable terminal (not shown) by adding a mail transmission function to the communication unit 13. is there.

It is the figure which showed an example of the whole structure of the optical disk device based on this invention. 1 is a block diagram showing an example of an optical disc apparatus of the present invention. 5 is a flowchart showing a method of searching for an optical disc that can be played back by the optical disc apparatus. It is an example of the search screen for searching disk information. It is an example of the screen which displayed the verification result of "applicable". It is an example of the screen which displayed the verification result of "Not applicable". It is the figure which showed an example of the two disc classification information collated in a verification part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 12 Search part 13 Communication part 14 Memory 15 Verification part 16 Memory 17 Recording / reproducing part 33 Search screen 14A Disc information 16A Disc type information 100 Optical disc apparatus 200A PC
300 TV receiver

Claims (3)

A reproducing unit for reproducing data from an optical disc;
A video processing unit that performs image processing of the video played by the playback unit;
An audio processing unit for performing audio processing of the audio reproduced by the reproduction unit;
In an optical disc device comprising:
A search means for searching for disc information of an optical disc on which data is recorded;
A verification unit for verifying the disc information of the optical disc obtained by the search unit;
An optical disc apparatus that determines whether or not the optical disc can be reproduced in the reproduction unit based on a verification result of the verification means. The optical disc apparatus according to claim 1,
The search means includes a search unit for searching for disc information of the optical disc, a communication unit for communicating with a database on a computer network connected to the optical disc device, and disc information of the optical disc acquired from the database Comprising a first recording unit for recording
With the search of the disc information of the optical disc in the search unit, the communication unit starts communication with the database, and records the disc information of the optical disc acquired from the database in the first recording unit. An optical disc device characterized. In the optical disc according to claim 1 or 2,
The verification means includes a verification unit that verifies whether or not the optical disc can be played back by the playback unit, and a second recording unit that records disc type information of the optical disc that can be played back by the playback unit,
The verification unit matches the disc type information included in the disc information recorded in the first recording unit with the disc type information recorded in the second recording unit, thereby matching the discs. It is verified whether or not there is type information, and if there is matching disk information, it is determined that playback is possible, and if there is no matching disk information, it is determined that playback is impossible. .

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