JP5021516B2 - Reproduction apparatus test apparatus and reproduction apparatus test method - Google Patents

Description

The present invention relates to a playback apparatus test apparatus and a playback apparatus test method .

  In recent years, with the development of information technology, the reproduction technology of a recording medium on which information is recorded has been advanced. For example, a DVD disc on which movie content or the like is recorded is media information that is information for controlling the playback device when content is played back, such as content playback order, highlights, operation buttons, subtitles, and audio, in addition to content information. Is recorded. This media information is information created by the creator of the DVD disc, and a playback device such as a DVD deck plays back the content in the playback order specified by the creator of the DVD disc. Thereby, the user can view high-quality content.

A playback device that plays back a recording medium on which content is recorded needs to play back the content correctly. Therefore, a technique for confirming whether or not the operation of the playback apparatus is normal has been conventionally proposed. For example, Patent Document 1 describes a technique for inspecting the quality of the reproduction order and the quality of the detection state of the number of skips when reproducing a disc. Patent Document 2 describes a technique for printing TOC (Table of contents) information recorded on a medium in association with a scene image.
JP 2002-157843 A JP 2006-108926 A

According to the prior art, since the information for controlling the playback device differs for each recording medium, when the recording device is played back by the playback device to check whether it operates correctly, the information on the recording medium is checked by a person. In the current situation, the operation of the playback device is being confirmed while confirming the above. For this reason, in a manufacturing site where mass production of reproduction apparatuses is performed, check omissions or the like are likely to occur when confirming the operation of the reproduction apparatus, and there is no method for efficient processing. Therefore, an object of the present invention is to provide a playback apparatus test apparatus and a playback apparatus test method that facilitate the determination of the quality of the operation of the playback apparatus.

  In order to solve the above-mentioned problems, the present invention stores information recorded on a test recording medium in advance as test information, and the playback device to be tested reads and plays back the test recording medium. The quality of the playback state of the playback device to be tested is determined by referring to the test information stored in advance.

Specifically, this is an apparatus for testing a reproducing apparatus that reads and reproduces recorded information that is information recorded on a recording medium, and records recorded on a test recording medium that is read by the reproducing apparatus to be tested. Information stored in advance as test information before the reproducing apparatus reads the test recording medium, and recorded information recorded on the test recording medium by controlling the reproducing apparatus. A reproducing apparatus control unit that causes the reproducing apparatus to read and reproduce the recorded information recorded on the recording medium; and a recording that is recorded on the test recording medium by the reproducing apparatus control unit on the reproducing apparatus. While reproducing information, a status acquisition unit that acquires the playback status of the playback device, and the test information stored in advance in the storage unit, and the status acquisition unit of the playback device acquired by the status acquisition unit Playback state And a determination unit that is whether as recording information recorded on the recording medium for the test, the reproducing apparatus reads the information recorded on the recording medium, the recorded information Content information included in the recording information is reproduced based on the reproduction control information included in the recording information, and the storage unit records the reproduction recorded in a test recording medium to be read by the reproduction apparatus to be tested. Control information is stored in advance as the test information, and the playback device control unit controls the playback device to cause the playback device to read the recorded information recorded on the test recording medium, and The reproduction apparatus causes the content information included in the recording information to be reproduced based on the reproduction control information included in the recording information, and the state acquisition unit is configured so that the reproduction apparatus control unit causes the reproduction apparatus to While reproducing the content information recorded on the test recording medium, the reproduction state of the reproduction device is acquired, and the determination unit stores the reproduction control stored in advance as the test information in the storage unit With reference to the information, it is determined whether or not the playback state of the playback device acquired by the state acquisition unit is operating according to playback control information recorded on the test recording medium .

  The playback apparatus test apparatus is an apparatus for the purpose of determining whether or not the playback state of the playback apparatus is good. If the playback state of the playback apparatus is normal, it is assumed that the playback apparatus test apparatus operates in accordance with recorded information stored in advance. Test based on. The playback apparatus test apparatus includes a storage unit, a playback apparatus control unit, a state acquisition unit, and a determination unit in order to determine whether the playback state of the playback apparatus is good or bad.

  The storage unit stores in advance, as test information, information recorded on a test recording medium that is read by the playback device for the test before the playback device testing apparatus tests the playback device. The test information is information referred to by the determination unit when testing the playback device. For example, information related to the video playback order, sound settings, and the like necessary when playing back the content information of the test recording medium Or content information such as video data and audio data.

  The playback device controller controls the playback device to be tested. That is, when starting the test, the playback device control unit causes the playback device to be tested to start reading the recording medium, or to skip playback of content related to playback of content not related to the test. Or

  The status acquisition unit acquires the playback status of the playback device, monitors the playback status of the playback device that is playing back the recording information recorded on the test recording medium, and acquires the playback status. Here, the playback state is a state relating to a test item for determining the quality of the playback device. For example, the playback order or the sound setting control state performed by the playback device that is playing back the test recording medium, or This is the state of content such as reproduced video data and audio data. For example, if the recording information recorded on the test recording medium includes control information related to volume setting, the state acquisition unit monitors the volume output by the playback device. The status acquisition unit changes the volume based on the recording information recorded on the test recording medium by monitoring the volume output by the playback apparatus that is reproducing the test recording medium. In such a case, it is possible to acquire this state change.

  The determination unit refers to the test information stored in advance, and whether or not the playback device that is playing back the test recording medium is playing back according to the recorded information recorded on the recording medium. Determine. When the playback device cannot correctly read the recorded information recorded on the test recording medium or when the recorded information cannot be played back correctly, the playback status of the playback device and the test information stored in the storage unit There is a discrepancy between the contents. The determination unit determines the quality of the playback state of the playback device based on such a match / mismatch result.

  As described above, according to the playback device test device, it is possible to easily determine whether the playback device is operating properly.

  Here, the content information is information included in the recording information recorded on the recording medium, and is information provided to the user, for example, information such as video data and audio data. The playback control information is information included in the recording information recorded on the recording medium and is information necessary when the playback device plays back the content information. For example, the playback control information is changed by changing the playback state of the playback device. Information on the playback order of chapters to be obtained, information on sound settings, and the like. According to the playback device test device, it is possible to determine whether or not the playback control state of the playback device to be tested is normal.

  Further, the storage unit stores change position information, which is position information of content information that changes a reproduction state of the reproduction device when the reproduction device reproduces the content of the test recording medium, in the reproduction device. Before reading the test recording medium, it is further stored in advance, and the playback device control unit stores the content information recorded on the recording medium in advance when the playback device plays back the content information. Controlling the playback device based on the changed position information, so that the playback device plays back the content information that changes the playback state of the playback device, and the state acquisition unit includes: The playback state before and after the playback state of the playback device changes is acquired, and the determination unit refers to the test information stored in the storage unit, and the playback state acquired by the state acquisition unit. Playback state before and after the reproduction state of the apparatus changes may be made to determine whether the changes as the reproduction control information included in the data recorded on the recording medium for the test.

  The determination unit confirms the playback state of the playback device based on a match / mismatch between the playback state of the playback device and the content of the test information stored in the storage unit. Therefore, it is time consuming and undesirable for the playback device to continue playing back information on a portion of the test recording medium that does not change the playback state of the playback device. Therefore, the change position information is stored in advance in the storage unit. The change position information is the position of information on the recording medium read by the reproducing apparatus when the reproducing state of the reproducing apparatus reproducing the content information changes. For example, the time indicated by the time counter or the recording medium Information including an address indicating the upper position. As a result, the reproduction control information for test and the change position information are stored in the storage unit, but the present invention is in a state where these information are distributed and stored in a plurality of hardware resources. Is not to be excluded.

  The playback device control unit controls the playback device based on the change position information, so that the playback device plays back the content information of the portion where the playback state of the playback device changes. And the determination of the reproduction state by the determination unit is efficiently executed.

  The reproducing device reads the recording information recorded on the recording medium, reproduces content information included in the recording information based on reproduction control information included in the recording information, and the storage unit Stores the content information recorded in the test recording medium to be read by the playback device to be tested as the test information, and the playback device control unit controls the playback device. The reproduction apparatus reads the recording information recorded on the test recording medium, and causes the reproduction apparatus to reproduce the content information included in the recording information based on the reproduction control information included in the recording information. The status acquisition unit plays back the content while the playback device control unit causes the playback device to play back the content information recorded on the test recording medium. The content state is acquired, and the determination unit refers to the content information stored in advance as the test information in the storage unit, and an abnormality of the content reproduced by the reproduction device acquired by the state acquisition unit is obtained. The presence or absence may be determined. According to such a playback apparatus test apparatus, it is possible to determine whether or not the playback state of the content played back by the playback apparatus to be tested is normal.

The present invention also relates to a method for testing a reproducing apparatus that reads and reproduces recorded information that is information recorded on a recording medium, and is recorded on a test recording medium that is read by the reproducing apparatus to be tested. Recording information stored in the storage unit as test information in advance before causing the playback device to read the test recording medium, and controlling the playback device to record the recorded information on the test recording medium. The reproduction apparatus reading the recorded information, and causing the reproduction apparatus to reproduce the recorded information recorded on the recording medium, and executing the reproduction apparatus control step to cause the reproduction apparatus to perform the test While reproducing the recorded information recorded on the recording medium, refer to the state obtaining step for obtaining the reproduction state of the reproducing apparatus and the test information stored in advance in the storage unit Determining whether or not the playback state of the playback device acquired in the state acquisition step is as recorded information recorded on the test recording medium, the playback device comprising: The recording information recorded on the recording medium is read, and the content information included in the recording information is reproduced based on the reproduction control information included in the recording information, and the storing step includes the reproducing device to be tested The reproduction control information recorded on the test recording medium to be read by the computer is stored in advance as the test information, and the reproduction device control step is recorded on the test recording medium by controlling the reproduction device. The playback information is read by the playback device, and the playback device includes the content information included in the record information. The status acquisition step acquires the playback status of the playback device while the playback device is playing back the content information recorded on the test recording medium by executing the playback device control step. The determination step refers to the reproduction control information stored in advance as the test information in the storage unit, and the reproduction state of the reproduction device acquired in the state acquisition step is stored in the test recording medium. It may be determined whether or not it is operating according to the recorded reproduction control information .

ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to provide the reproducing | regenerating apparatus test apparatus and the reproducing | regenerating apparatus test method which make it easy to judge the quality of operation | movement of a reproducing | regenerating apparatus.

  Hereinafter, the best mode for carrying out the present invention will be described by way of example. Note that the playback device test device and the playback device test information extraction device described below are based on the premise of testing a DVD (Digital Versatile video Disc) deck (corresponding to the playback device in the present invention). The present invention is not limited to this, and may be applied to any playback apparatus that plays back content based on control information recorded on a recording medium.

  For convenience of explanation, first, the configuration and operation flow of the information extraction device for playback device test will be described, and then the configuration and operation flow of the playback device test device for testing the playback device based on the information extracted by this device. Will be described.

<Configuration of playback device test information extraction device>
FIG. 1 shows a configuration of a playback device test information extraction device 10 according to an embodiment of the present invention. As shown in FIG. 1, a playback device test information extraction device 10 includes a CPU 11 (Central Processing
Unit), ROM 12 (Read Only Memory), RAM 13 (Random Access Memory), and input / output interface 14. Note that the playback device test information extraction device 10 is connected to a disk drive 15 (corresponding to a reading unit in the present invention) and a storage device 16 via an input / output interface 14. Further, the playback device test information extracting device 10 is connected to a PC 30 (Personal Computer) for confirming the extracted information.

  FIG. 2 is a diagram illustrating functional blocks of the CPU 11. As shown in FIG. 2, the CPU 11 includes a disk drive control function unit 11A and a data processing function unit 11B. When the power source is connected to the playback device test information extraction device 10, the CPU 11 reads and executes a program stored in the ROM 12, thereby performing various functions as the disk drive control function unit 11A and the data processing function unit 11B. Realize the function.

  The disk drive control function unit 11 </ b> A mainly serves to control the operation of the disk drive 15. Specifically, when the disc drive control function unit 11A detects that a DVD disc has been inserted into the disc drive 15, the disc drive control unit 11A controls the disc drive 15 to play back the inserted DVD disc.

  The data processing function unit 11B is responsible for processing data. More specifically, when the disk drive 15 starts playback of the DVD disk under the control of the disk drive control function unit 11A, the data processing function unit 11B sends the DVD disk data extracted by the disk drive 15 to the input / output interface 14. And sent to the storage device 16 for storage.

  The ROM 12 is a memory that does not require a memory holding operation, and stores a program executed by the CPU 11 in advance. The ROM 12 is connected so as to be accessible from the CPU 11. The RAM 13 is a memory that requires a memory holding operation, and is used when the CPU 11 temporarily stores data. The RAM 13 is connected so as to be accessible from the CPU 11, like the ROM 12. The RAM 13 loses the stored data when the power of the playback device test information extracting device 10 is turned off.

  The disk drive 15 includes an optical pickup lens, a light emitting element, a disk drive motor, and the like, and reads information recorded on the inserted DVD disk. The disk drive 15 is connected to the CPU 11 via the input / output interface 14 and receives a command from the CPU 11 to reproduce the DVD disk.

  The input / output interface 14 is an interface for connecting the CPU 11 and an externally connected device to exchange data and control signals, and relays information exchange between the CPU 11 and the storage device 16, the disk drive 15, and the PC 30. .

  The storage device 16 is a hard disk device that does not require a storage holding operation, and is electrically connected to the playback device test information extraction device 10 via a removable communication cable. The storage device 16 is responsible for storing the playback control information recorded on the test DVD disc, and the test playback that is the playback control information extracted from the DVD disc by the playback device test information extracting device 10. Store control information. The storage device 16 has a sufficient storage area, and can store 100 or more pieces of control information recorded on the DVD disk.

<Operation flow of information extraction device for playback device test>
Next, the operation flow of the playback device test information extraction device 10 will be described. FIG. 3 shows an operation flow of the reproducing apparatus test information extracting apparatus 10. Hereinafter, the operation of the reproduction apparatus test information extracting apparatus 10 will be described with reference to the flowchart shown in FIG.

  (Step S101: Disc playback start) When the playback device test information extraction device 10 is turned on, the CPU 11 reads and executes a program stored in the ROM 12. As a result, functions as a disk drive control function unit 11A and a data processing function unit 11B are realized in the CPU 11. When the DVD disk is inserted into the disk drive 15, the CPU 11 controls the disk drive 15 to reproduce the DVD disk. The DVD disc inserted here is a disc for performing an operation test of the DVD deck, and corresponds to a “test recording medium” in the present invention. The DVD disc may be any recorded content, and need not record special data for performing a test or the like. Therefore, the disc inserted into the playback device test information extracting device 10 may be a commercially available one or one created by an individual. A series of processing executed by the CPU 11 in this step is realized by the drive control function unit 11A.

  (Step S102: Disc Information Notification) The CPU 11 acquires data notified from the disc drive 15 while the disc drive 15 is reproducing a DVD disc. Then, the CPU 11 acquires the data of the reproduction control device notified from the disk drive 15 while the disk drive 15 is reproducing the DVD disk, and the data of the items shown in the following table. A series of processing executed by the CPU 11 in this step is realized by the data processing function unit 11B.

(Step S103: Disc Information Save) The CPU 11 saves the reproduction control information data notified from the disc drive 15 in the storage device 16 via the input / output interface 14 together with the reproduction time data. When saving data in the storage device 16, the CPU 11 saves the data in a file format such as “txt”, “csv”, “xls” in view of convenience of handling the saved data. This facilitates information processing such as keyword search. When the CPU 11 stores the data notified from the disk drive 15 in the storage device 16 together with the reproduction time data, when the reproduction device is tested based on the saved data, the control information changes based on the reproduction time data. It is possible to efficiently test the playback device by playing back only the content of the portion to be played. In other words, for example, in the case where there is no change in control information within the same chapter, it is possible to efficiently check whether or not the playback device is operating according to the control information by playing back only the beginning of each chapter. If the control information has changed in the chapter, it is possible to efficiently confirm whether or not the playback device is operating according to the control information by fast-forwarding the chapter to the position before the changed position. It becomes possible. As a result, the test time can be shortened when testing the playback apparatus. A series of processing executed by the CPU 11 in this step is realized by the data processing function unit 11B.

  (Step S104: End Determination) The CPU 11 confirms whether or not unacquired reproduction control information data remains. If unacquired playback control information data remains on the DVD disc, the CPU 11 ends the series of processing. On the other hand, if the unacquired playback control information data does not remain on the DVD disc, the CPU 11 executes the processing from step S102 onward. The end determination process executed by the CPU 11 in this step is realized by the data processing function unit 11B.

<Effect of playback device test information extraction device>
As described above, according to the playback device test information extracting device, it is possible to automatically and efficiently collect test playback control information necessary for performing an operation test of a DVD deck. FIG. 4 is an example of collected data. As shown in FIG. 4, the storage device 16 stores control information when the playback state changes together with playback time information. That is, for example, in the example shown in FIG. 4, in the playback control data written on the DVD disc, the chapter number changes from 10 to 2, and the button key reception changes from 1 to 1/2/3. The reproduction control data for each item at that time is stored together with the reproduction time when the data changes (that is, 00: 5: 00). Therefore, if the DVD deck operation check is performed using the DVD disk from which the reproduction control data has already been collected, it is possible to determine whether the DVD deck operation is satisfactory. Note that while the series of processing from step S101 to step S104 is being executed, it is preferable that the disk drive 15 sequentially accesses the DVD disk without randomly accessing the DVD disk. This is to prevent reading-out of reproduction control data.

The data shown in FIG. 4 can be displayed on the monitor of the PC 30. Here, the PC 30 may convert the data shown in FIG. 4 into information that can be easily understood by the user before displaying the data. That is, for example, the PC 30 holds a code for converting the reproduction control data written on the DVD disc as converted data in advance for each item, and even after the information is converted based on the converted data, it is displayed. Good. The conversion data is data in which the language data having the meaning indicated by the code of the control information extracted by the reproduction device test information extraction device is associated with the code. For example, the reproduction device test information extraction device uses the “quantization frequency”. When the code “1” is extracted for the control information related to the data, the meaning indicated by the code “1” is data to be converted into a meaning understood by the user, such as “44.1 kHz”. The contents of the conversion data are shown in Table 2 below.

  The PC 30 stores the conversion data in Table 2 in advance in its own hard disk or the like. When the PC 30 displays the data extracted by the playback device test information extraction device 10 in response to a user operation, the PC 30 converts the control information code by referring to the converted data and displays it. FIG. 5 shows an example of converted collected data. As shown in FIG. 5, code data such as “0” and “1” is converted into a display indicating its meaning. Thereby, the user can easily understand the contents of the control information.

  Note that the playback device test information extraction device has acquired the test item data shown in Table 1, but may be modified as follows. That is, the playback device test information extracting device may collect items other than the items shown in Table 1, for example, data related to content such as video data and audio data. Specifically, in the process of step S <b> 102, the CPU 11 acquires video and audio data notified from the disk drive 15. Then, the CPU 11 stores the video and audio data notified from the disk drive 15 in the storage device 16 in the process of step S103.

<Configuration of playback device test device>
Next, a reproducing apparatus testing apparatus that tests a DVD deck based on the data extracted by the reproducing apparatus test information extracting apparatus 10 will be described. FIG. 6 shows the configuration of a playback apparatus test apparatus 20 according to an embodiment of the present invention. As shown in FIG. 6, the playback apparatus test apparatus 20 includes a CPU 21, a ROM 22, a RAM 23, and an input / output interface 24. Note that the playback device test device 20 is connected to the storage device 16, the DVD deck 40, and the PC 30 via the input / output interface 24. Further, it is assumed that the storage device 16 connected to the playback device test device 20 stores the test data extracted by the playback device test information extraction device 10.

  FIG. 7 is a diagram illustrating functional blocks of the CPU 21. As shown in FIG. 7, the CPU 21 includes a DVD deck control function unit 21A (corresponding to a playback device control unit in the present invention) and a state acquisition function unit 21B (in the present invention, which acquires the playback state of the DVD deck). And a determination function unit 21C (corresponding to the determination unit in the present invention) for determining whether or not the playback state of the DVD deck is good. When the power source is connected to the playback device test apparatus 20, the CPU 21 reads and executes a program stored in the ROM 22 to thereby execute a DVD deck control function unit 21A, a state acquisition function unit 21B, and a determination function unit 21C. Implement various functions.

  The DVD deck control function unit 21 </ b> A mainly serves to control the operation of the DVD deck 40. Specifically, the DVD deck control function unit 21A notifies the DVD deck 40 of a control signal via the input / output interface 24, and causes the DVD deck 40 to play back or fast forward the DVD disc.

  The state acquisition function unit 21B mainly plays a role of acquiring the playback state of the DVD deck 40. Specifically, the state acquisition function unit 21B acquires data on the playback state notified from the DVD deck 40 via the input / output interface 24 (for example, data regarding the chapter number being played back and the sound settings).

  Based on the data stored in the storage device 16, the determination function unit 21C determines pass / fail of the DVD deck 40 from the reproduction state data of the DVD deck 40 acquired by the state acquisition function unit 21B. Further, the determination function unit 21 </ b> C stores the determination result in the storage device 16 or outputs it to the PC 30.

  The other constituent elements ROM 22, RAM 23, and input / output interface 24 are the same as the ROM 12, RAM 13, and input / output interface 14 of the reproduction apparatus test information extracting apparatus 10 described above, and thus description thereof is omitted.

<Operation flow of playback device test device>
Next, the operation flow of the playback apparatus test apparatus 20 will be described. FIG. 8 shows an operation flow of the playback apparatus test apparatus 20. Hereinafter, the operation of the playback apparatus test apparatus 20 will be described with reference to the flowchart shown in FIG.

(Step S201: Disc playback start) When the playback device test apparatus 20 is powered on, the CPU 21 controls the DVD deck 40 to play back the DVD disc. The DVD disk played back by the DVD deck 40 is a disk in which playback control data is stored in advance in the storage device 16 by the playback device test information extraction device 10. The CPU 21 refers to the data in the storage device 16 when controlling the DVD deck 40, and obtains the reproduction time data stored together with the control information data. The CPU 21 compares the playback time data acquired from the storage device 16 with the playback time data notified from the DVD deck 40, and the DVD deck 40 plays back the portion where the playback time data is not recorded in the storage device 16. If so, the DVD deck 40 is instructed to fast forward. That is, for example, when the test data as shown in FIG. 4 is stored in the storage device 16 and the DVD deck 40 is playing back 00:00:00, the CPU 21 next executes the DVD. The deck 40 is fast-forwarded until 00: 5: 00, which is the playback time when the playback state of the deck 40 changes (for example, 00: 4: 59, which is 1 second before). This is because time is wasted if playback is performed at a normal speed. In this way, the operation of the DVD deck 40 is performed so that the DVD deck 40 reproduces only the part of the reproduction time stored in advance in the storage device 16 (that is, jumps the part where the control state does not change). By controlling, the test of the DVD deck 40 can be performed efficiently while saving labor. A series of processing executed by the CPU 21 in this step is realized by the DVD deck control function unit 21A.

  (Step S202: Test) When the DVD deck 40 starts playback of the DVD disc, the CPU 21 acquires playback state data notified from the DVD deck 40. The reproduction control state data acquired by the CPU 21 is shown in each item of Table 1 above. The data acquisition process executed by the CPU 21 is realized by the state acquisition function unit 21B. Then, the CPU 21 compares the data stored in the storage device 16 with the reproduction state data notified from the DVD deck 40. That is, does the CPU 21 change the playback state of the DVD deck 40 in the same way as the playback state stored in the storage device 16 when the playback time of the DVD deck 40 is the same as the playback time stored in the storage device 16? Determine whether or not. The CPU 21 determines that the DVD deck 40 is defective when the playback state does not change in the same manner. In the example of FIG. 4, for example, even when the DVD deck 40 plays a DVD disc from the playback time 00: 4: 59 to 00: 5: 01, the playback status data notified from the DVD deck 40 If the data of one chapter number changes from 10 to 3 instead of 10 to 2, it is determined that the DVD deck 40 is defective because it does not match the test data stored in the storage device 16. The data comparison process executed by the CPU 21 is realized by the determination function unit 21C.

  (Step S203: Save) The CPU 21 saves the determination result in step S202 in the storage device 16. The storage process executed by the CPU 21 in this step is realized by the determination function unit 21C.

  (Step S204: End Determination) The CPU 21 confirms the operating state of the DVD deck 40 and detects whether or not the DVD deck 40 continues to play the DVD disc. If the DVD deck 40 has finished reproducing the DVD disc, the CPU 21 completes a series of processes. On the other hand, if the DVD deck 40 continues to play the DVD disc, the CPU 21 determines that the test has not been completed, and executes the processing from step S202 onward. The determination process executed by the CPU 21 in this step is realized by the determination function unit 21C.

<Effect of playback device testing device>
As described above, according to the playback apparatus test apparatus, it is possible to efficiently perform the operation test of the DVD deck. As a result, it is possible to automatically evaluate a DVD deck that has been performed by human tactics in the past, and to speed up the processing of a series of processes from manufacture to shipment of the DVD deck and improve evaluation accuracy. Is possible. FIG. 9 is a diagram illustrating an example of the determination result. As shown in FIG. 9, the storage device 16 stores the result of the DVD deck operation test. Therefore, it is possible to check the quality of the tested DVD deck by referring to the result of the operation test. That is, for example, if all the test results are good (OK), the tested DVD deck can be judged to be in good operation, and if any test result is defective (NG), the tested DVD deck is Can be determined as malfunctioning.

Note that the test result data shown in FIG. 9 can be displayed on the monitor of the PC 30. Here, the PC 30 may display the test result data on the monitor as it is, but may display the data after converting it into information easy to understand for the user. That is, for example, the PC 30 may display information after converting information based on conversion data stored in advance in a storage device such as its own hard disk. The specific processing content of the conversion is the same as described above. FIG. 10 shows an example of the meaning of the sign contained in the test result data converted into Japanese and displayed. As shown in FIG. 10, code data such as “0” and “1” is converted into a display indicating its meaning. Thereby, the user can easily understand the content of the test result.

  Note that the reproducing apparatus test apparatus stores the test result in the storage unit 16 as it is regardless of whether the test result of the DVD deck is good or bad. However, the present invention is not limited to this. That is, for example, when the test result is defective, the playback device test apparatus may test the same item again, or if the test result is defective, notify the operator etc. of the test and then perform the test. You may make it interrupt.

  Further, the reproducing apparatus testing apparatus performs a test by performing only reproduction control of a test recording medium (DVD disc) inserted in the DVD deck. For this reason, when there are about 100 recording media for testing, it is troublesome for the operator to replace the DVD disk with the DVD deck to be tested. Therefore, the playback apparatus test apparatus is provided with a handling apparatus for handling DVD disks, etc., so that the DVD disks to be inserted into the DVD deck to be tested are automatically replaced, and the playback test is automatically repeated for each DVD disk. Anyway.

  In addition, although the said reproducing | regenerating apparatus test device tested the data of the test item shown in Table 1, you may deform | transform as follows. That is, the playback device testing device may test items other than the items shown in Table 1, for example, data related to content such as video data and audio data. Specifically, the data relating to the content is stored in advance in the storage device 16 by the information extraction device for playback device test. Then, the CPU 21 acquires video and audio data notified from the DVD deck 40 in the process of step S202. Then, the CPU 21 compares the content data stored in the storage device 15 with the video and audio data notified from the DVD deck 40. As a result of the comparison, if both data match, it is determined that there is no abnormality in the content reproduced by the DVD deck 40, and it is determined that the DVD deck 40 is good. On the other hand, if the comparison results indicate that the two data do not match, it is determined that the content reproduced by the DVD deck 40 is abnormal, and the DVD deck 40 is determined to be defective. It should be noted that when determining the coincidence / mismatch of video and audio data, it may be complete coincidence, a predetermined error rate is set, and the DVD deck 40 is set when the degree of mismatch is equal to or less than the predetermined error rate. However, it may be determined that there is no abnormality in the reproduced content. According to such a modification, it is possible to determine whether or not the playback state of the content played back by the playback device to be tested is normal.

The block diagram of the information extraction apparatus for reproducing | regenerating apparatus testing. The functional block diagram of CPU of the information extraction apparatus for reproducing | regenerating apparatus testing. The operation | movement flowchart of the information extraction apparatus for reproducing | regenerating apparatus tests. The figure which shows an example of the collected data. The figure which shows an example of the converted collection data. The block diagram of a reproducing | regenerating apparatus test apparatus. The functional block diagram of CPU of a reproducing | regenerating apparatus test apparatus. The operation | movement flowchart of a reproducing | regenerating apparatus test apparatus. The figure which shows an example of the determination result. The figure which shows an example of the data of the converted test result.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Information extraction apparatus 20 for reproducing | regenerating apparatus testing ... Reproducing apparatus testing apparatus 30 ... PC
40 ... DVD decks 11, 21 ... CPU
12, 22, ROM
13,23 ... RAM
14, 24... I / O interface 15... Disk drive 16... Storage device 11A... Disk drive control function unit 11B. Control function unit 21B ... State acquisition function unit 21C ... Determination function unit

Claims (4)

An apparatus for testing a reproducing apparatus that reads and reproduces recorded information that is information recorded on a recording medium,
A storage unit that stores in advance recording information recorded on a test recording medium to be read by the playback apparatus to be tested as test information before the playback apparatus reads the test recording medium;
A playback device control section for controlling the playback device to cause the playback device to read the recorded information recorded on the test recording medium, and for causing the playback device to play back the recorded information recorded on the recording medium;
A state acquisition unit that acquires the playback state of the playback device while the playback device control unit causes the playback device to play back recorded information recorded on the test recording medium;
Whether or not the playback state of the playback device acquired by the status acquisition unit is as recorded information recorded on the test recording medium with reference to the test information stored in advance in the storage unit and a determination unit for determining,
The playback device reads the recording information recorded on the recording medium, and plays back content information included in the recording information based on playback control information included in the recording information,
The storage unit stores in advance, as the test information, the playback control information recorded on a test recording medium that is read by the playback device to be tested.
The playback device control unit controls the playback device to cause the playback device to read the recorded information recorded on the test recording medium, and causes the playback device to read the content information included in the recorded information. Reproduction based on the reproduction control information included in the recording information,
The status acquisition unit acquires the playback status of the playback device while the playback device control unit causes the playback device to play back the content information recorded on the test recording medium,
The determination unit refers to the playback control information stored in advance as the test information in the storage unit, and the playback state of the playback device acquired by the state acquisition unit is recorded on the test recording medium. To determine whether it is operating as per the playback control information,
Playback device testing device. The storage unit stores change position information, which is position information of content information that changes a playback state of the playback device, when the playback device plays back the content of the test recording medium. Is stored in advance before the recording medium for reading is read.
The playback device control unit controls the playback device based on the change position information stored in advance in the storage unit when the playback device plays back the content information recorded on the recording medium. The playback device controls the playback device to play back the content information that changes the playback state of the playback device;
The state acquisition unit acquires the playback state before and after the playback state of the playback device changes,
The determination unit refers to the test information stored in the storage unit, and the playback state before and after the playback state of the playback device acquired by the state acquisition unit is changed is the test recording medium. To determine whether or not it has changed according to the playback control information included in the data recorded in
The playback apparatus test apparatus according to claim 1 . The playback device reads the recording information recorded on the recording medium, and plays back content information included in the recording information based on playback control information included in the recording information,
The storage unit stores in advance, as the test information, the content information recorded on a test recording medium that is read by the playback device to be tested,
The playback device control unit controls the playback device to cause the playback device to read the recorded information recorded on the test recording medium, and causes the playback device to read the content information included in the recorded information. Reproduction based on the reproduction control information included in the recording information,
The status acquisition unit acquires the status of content played by the playback device while the playback device control unit causes the playback device to play back the content information recorded on the test recording medium,
The determination unit refers to the content information stored in advance as the test information in the storage unit, and determines whether or not the content reproduced by the reproduction device acquired by the state acquisition unit is abnormal.
The reproduction apparatus test apparatus according to claim 1 or 2 .   A method of testing a playback device that reads and plays back recorded information that is information recorded on a recording medium,
  A storage step of storing in a storage unit in advance recording information recorded on a test recording medium to be read by the playback device to be tested as test information before causing the playback device to read the test recording medium When,
  A playback device control step of controlling the playback device to cause the playback device to read the recorded information recorded on the test recording medium, and causing the playback device to play back the recorded information recorded on the recording medium;
  A state acquisition step of acquiring the playback state of the playback device while the playback device is playing back the recorded information recorded on the test recording medium by executing the playback device control step;
  Whether or not the reproduction state of the reproduction device acquired in the state acquisition step is as recorded information recorded on the test recording medium with reference to the test information stored in advance in the storage unit A determination step for determining
  The playback device reads the recording information recorded on the recording medium, and plays back content information included in the recording information based on playback control information included in the recording information,
  In the storage step, the reproduction control information recorded on a test recording medium to be read by the reproduction apparatus to be tested is stored in advance as the test information,
  The playback device control step controls the playback device to cause the playback device to read the recorded information recorded on the test recording medium, and causes the playback device to read the content information included in the recorded information. Reproduction based on the reproduction control information included in the recording information,
  The status acquisition step acquires the playback status of the playback device while the playback device is playing back the content information recorded on the test recording medium by executing the playback device control step.
  The determination step refers to the reproduction control information stored in advance as the test information in the storage unit, and the reproduction state of the reproduction device acquired in the state acquisition step is recorded on the test recording medium. To determine whether it is operating as per the playback control information,
  Playback device test method.

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