JP2000047911A - Karaoke device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make surely and speedily investingable the cause of fault occurrence by successively storing the contents of operation by a user and reproducing the operation performed to a KARAOKE device in the past according to this stored information. SOLUTION: In the operation log file of a hard disk device in this KARAOKE device 1, the time when the operation is performed to the KARAOKE device 1 and the contents of that operation are successively written. When any fault occurs in the KARAOKE device 1, this operation log is up-loaded through a communication line 5 to a center 50. According to this operation log, an operation reproduction control part 3 controls a KARAOKE device 4 for reproducing the operation. Thus, the KARAOKE device 4 for reproducing the operation can reproduce the operation performed to the KARAOKE device 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a karaoke apparatus.

[0002]

2. Description of the Related Art Karaoke apparatuses are used by a wide range of consumers. For this reason, an erroneous operation is often performed on the karaoke apparatus. In the development of the karaoke apparatus, it is general that various types of such erroneous operations are assumed, and that any operation is performed so as not to cause an obstacle such as a system down. However,
Since it is impossible to assume any erroneous operation, an initial software failure may occur for a certain period after a new karaoke device is developed.

In particular, with the complication of the functions of the karaoke apparatus in recent years, the number of trouble occurrences on this kind of software has increased. Since these troubles that have occurred in some karaoke apparatuses may also occur in other karaoke apparatuses of the same model, it is necessary to take quick and reliable measures to prevent this.

In a conventional karaoke apparatus, in order to investigate the cause of a failure, an error log file for storing a history of a failure assumed in advance, such as an abnormal stop of music performance, at a predetermined address of a storage device in the karaoke apparatus. Etc. were provided.

[0005]

However, since the error log file described above records only a failure that has been assumed in advance, it is not recorded when any other failure occurs in the karaoke apparatus. In some cases, the cause of the failure could not be determined.

[0006] On the other hand, software failures often occur due to some operation by a user.
Therefore, if the operation that caused the failure can be reproduced, it will be useful to identify the cause of the failure and take measures. Therefore, in order to reproduce the operation that caused the failure, the user who performed the operation may be asked about the details of the operation.

However, in most cases, the user does not remember what operation he or she has performed, and in many cases even if it does, it is not accurate, and it is difficult to reproduce the operation that caused the failure. It was difficult.

The present invention has been made under such a background, and stores the contents of operations by a user one by one and reproduces operations performed in the past on the karaoke apparatus in accordance with the stored information. Accordingly, an object of the present invention is to provide a karaoke apparatus capable of reliably and promptly examining the cause of a failure.

[0009]

In order to solve the above-mentioned problems, a karaoke apparatus according to claim 1 is operated for an operation means operated by a user, a storage means, and the operation means. Generate operation code corresponding to the operation,
An operation log file recording unit that records an operation log file including the operation code in the storage unit; a reading unit that reads an operation log file recorded in the storage unit in response to a read instruction; And an operation reproducing means for reproducing the operation of the karaoke apparatus in accordance with the operation code included in the operation log file read by the reading means.

A karaoke apparatus according to a second aspect of the present invention
2. The operation log file according to claim 1, wherein the operation log recording unit includes, in addition to an operation code corresponding to the operation performed on the operation unit, time information indicating a time when the operation is performed. Is stored in the storage means.

A karaoke apparatus according to a third aspect of the present invention,
In the configuration according to claim 2, the operation reproducing means includes:
Based on the time information included in the operation log file,
It is characterized in that the execution timing of the reproduction of the operation corresponding to the operation code is controlled.

A karaoke apparatus according to a fourth aspect of the present invention
In the configuration according to claim 3, the operation reproducing unit includes:
The apparatus is characterized in that it comprises means for adjusting a speed at which an operation corresponding to each operation code included in the operation log file is reproduced.

A karaoke apparatus according to a fifth aspect of the present invention
In the configuration according to claim 2, the operation reproduction instruction is:
The operation reproducing means includes information for specifying a time or a period, and the operation reproducing means reproduces the operation of the karaoke apparatus according to the operation code corresponding to the operation after the time specified by the operation reproducing instruction or within the period. .

The karaoke apparatus according to claim 6 is
3. The configuration according to claim 2, further comprising a control parameter recording unit that periodically collects control parameters of the karaoke apparatus, and records a control parameter log file including the control parameters and the collection time in the storage unit. The reading means reads the operation log file and the control parameter log file from the storage means in response to the reading instruction, and the operation reproducing means reads the operation log file when the operation reproducing instruction is given. The operation of the karaoke apparatus is reproduced based on the oldest operation code included and the control parameter immediately before the time when the operation corresponding to the oldest operation code among the control parameters included in the control parameter log file is performed. It is characterized by:

A karaoke device according to a seventh aspect of the present invention
6. The configuration according to claim 5, further comprising: control parameter recording means for periodically collecting control parameters of the karaoke apparatus, and storing a control parameter log file including the control parameters and the time of collection thereof in the storage means. The reading means reads the operation log file and the control parameter log file from the storage means in response to the reading instruction, and the operation reproducing means receives the operation reproducing instruction including the designation of the time or the period. In the case, among the operation codes included in the operation log file, an operation code after the time or within the period,
The operation of the karaoke apparatus is reproduced based on the control parameter included in the control parameter log file and the control parameter immediately before the time or the period in the control parameter.

The karaoke apparatus according to claim 8 is
8. The configuration according to claim 1, wherein the read unit supplies the operation log file read from the storage unit to the operation reproduction unit via a communication line. I have.

The karaoke apparatus according to claim 9 is
In the configuration according to any one of claims 1 to 7, the storage unit is a portable storage medium.

A karaoke apparatus according to a tenth aspect of the present invention is the karaoke apparatus according to any one of the first to ninth aspects, wherein the operation reproducing means is different from the karaoke apparatus whose operation is to be reproduced. Another karaoke apparatus is provided, and the operation is reproduced by supplying an operation code included in the operation log file to the other karaoke apparatus.

In the karaoke apparatus according to the eleventh aspect, in the configuration according to any one of the first to ninth aspects, the operation reproducing means may include a karaoke apparatus for reproducing an operation. The operation is reproduced by supplying an operation code included in the operation log file.

[0020]

Embodiments of the present invention will be described below with reference to the drawings. These embodiments show one embodiment of the present invention, and do not limit the present invention, and can be arbitrarily changed within the scope of the present invention.

A: First Embodiment FIG. 1 is a block diagram showing the overall configuration of a karaoke apparatus according to a first embodiment of the present invention. As shown in FIG.
The karaoke apparatus 1 is installed in a karaoke box 40. The center 50 has a host computer 2,
An operation reproduction control section 3 and an operation reproduction karaoke apparatus 4 are provided. Then, the karaoke apparatus 1 and the center 50
And a communication line (such as an ISDN line or a public communication line) 5
Connected by Note that the operation reproduction control unit 3 and the operation reproduction karaoke device 4 correspond to “operation reproduction means” in the claims.

Hereinafter, a detailed configuration of the karaoke apparatus 1 will be described with reference to FIG. The karaoke apparatus 1 shown in FIG.
CPU (Central Processing Unit) 11, ROM (Read Only Memory) 12, RAM (Read / Write Memory) 13, Remote Controller (hereinafter referred to as "remote controller") 14,
Receiving unit 15, operation unit 16, sound source 17, microphone (hereinafter referred to as "microphone") 18, mixer 19, amplifier 20, speaker 21, LD (laser disk) reproducing device 22, lyrics display processing unit 23, image synthesizing device 24, a display device (CRT) 25, a communication control unit 26, and a hard disk device (HDD) 27. Here, the CPU 11, the ROM 12, the RAM 13, the receiving unit 15, the operating unit 16, the sound source 17, the LD reproducing device 22,
The lyrics display processing unit 23, the communication control unit 26, and the hard disk device 27 are connected to a common bus BUS.

The ROM 12 stores an initial program necessary for starting the karaoke apparatus. When the power of the karaoke apparatus is turned on, the system program and the application program stored in the hard disk drive 27 are loaded into the RAM 13 according to the initial program. The RAM 3 has a storage area for storing music data for performing karaoke, in addition to a storage area for storing loaded system programs and application programs.

The remote controller 14 has ten keys and the like, and transmits an infrared signal according to a user's operation. The receiving unit 15 receives the infrared signal transmitted by the remote controller 14, converts it into an electric signal (operation code), and outputs the electric signal. Operation unit 16
Is provided with keys, knobs, and the like for the user to operate the karaoke apparatus. The receiving unit 15 and the operation unit 16 are provided on the front of the karaoke apparatus main body or the like. The user operates the remote controller 14 or the operation unit 16 to perform various operations such as input of a music number, adjustment of volume, and key control. Here, when an operation is performed on the remote controller 14 or the operation unit 16, an operation code corresponding to the operation is supplied to the CPU 11. The CPU 11 controls the operation of the karaoke apparatus according to the operation code.

During a karaoke performance, the CPU 1 outputs to the sound source 17 information for instructing generation of a tone signal in the music data. The sound source 17 generates and outputs a tone signal such as an accompaniment tone according to information supplied from the CPU 11.
The microphone 18 converts the vocal sound emitted by the singer into an audio signal and outputs the audio signal to the mixer 19. The mixer 19 is a sound source 17
And a sound signal supplied from the microphone 18 are mixed and output. The mixer 19 is provided with an echo device for giving an echo effect or the like to the audio signal supplied from the microphone 18 as necessary. The amplifier 20 amplifies the signal supplied from the mixer 19, and the speaker 21 outputs the signal amplified by the amplifier 20.

The LD reproducing device 22 contains about five laser disks, and can reproduce about 120 scenes of background video. At the start of the karaoke performance, the LD playback device 22 selects and plays back a background video corresponding to the music to be played.

The lyric display processing unit 23 includes a CPU 11
The character information such as lyrics is generated in accordance with the information supplied from the server and supplied to the image synthesizing device 24. Image synthesis device 24
Converts the character information supplied from the lyrics display processing unit 23 into an LD.
The video signal (background video) supplied from the playback device 22 is superimposed, and the composite image signal is supplied to the display device 25. The display device 25 displays the composite image signal supplied from the image composition device 24.

The communication control unit 26 downloads music data and the like from the host computer 2 provided at the center via the communication line 5 and directly transfers the music data received by the internal DMA controller to the hard disk without passing through the CPU 11. Write to device 27. Further, the communication control unit 26 performs control for uploading an operation log file in the hard disk device 27 described later to the center.

Next, the contents stored in the hard disk device 27 will be described with reference to FIG. As shown in FIG. 3, the hard disk device 27 stores a music data file, a program file, and a log file.

The music data file stores music data of about 10,000 music. These music data are read from the hard disk device 27 at the start of the karaoke performance and loaded into the RAM 3. The music data includes a header followed by information on karaoke performance and lyrics display such as a musical sound track, a lyrics track, and an audio track. Here, various information related to the music, that is, information such as the title and genre of the music are written in the header. The program file stores the above-described system programs and the like.

The log file contains a history of the karaoke apparatus in the past, that is,
Information about the music played in the karaoke apparatus, the error that occurred, and the operation performed by the user is written. Here, a detailed configuration of the log file will be described with reference to FIG. As shown in FIG. 4, the log file includes a performance log file, an error log file, and an operation log file.

When the performance of a music piece is started in the karaoke apparatus, the CPU 1 writes the music piece number of the music piece in a predetermined storage area in the hard disk drive 27 as a performance log file. When the CPU 1 determines that an error has occurred in the karaoke apparatus, the content and time of the error are written to a predetermined storage area as an error log file. The error is, for example, abnormal termination of a music piece. The performance log file and the error log file are stored in a timer (not shown) in the karaoke apparatus.
Is uploaded to the center 50 under the control of the communication control unit 26 each time the time measurement is completed. After the upload is performed, the time measurement by the timer is started again. The performance log file and the error log file uploaded in this way are used to investigate the performance frequency and the frequency and type of the error that has occurred.

An operation is performed on the remote controller 14 and the operation unit 16, and an operation code corresponding to the operation is C
When the operation code is supplied to the PU 1, the CPU 1 writes the operation code and the time at which the operation was performed as an operation log file in a predetermined storage area in the hard disk device 27. The time is specified by a clock (not shown) provided in the karaoke apparatus. This operation log is used to simulate the operation of the file and the karaoke apparatus.

Here, for the operation log file, a storage area in the hard disk device 27 is secured so that information for, for example, about one week can be stored. When the amount of information in the operation log file increases and there is no more free space, the information written in the operation log file is sequentially deleted from the oldest one. As a result, the information written in the operation log file can be used within one week from the occurrence of the failure.

Here, the configuration of the karaoke apparatus according to the present embodiment will be described with reference to FIG. 1 again. Center 50
The host computer 2 supplies music data via the communication line 5 in response to a request from the karaoke apparatus 1. The operation reproduction control unit 3 analyzes the operation log file uploaded from the karaoke apparatus 1 via the communication line 5 and supplies the operation log file to the operation reproduction karaoke apparatus 4. The operation reproduction karaoke apparatus 4 is for simulating the operation of the karaoke apparatus according to the information supplied from the operation reproduction control unit 3. The operation reproduction control unit 3
The specific operation of the operation reproducing karaoke apparatus 4 will be described later. The operation reproducing karaoke apparatus 4 has the same configuration as the karaoke apparatus 1 shown in FIG.

Next, the operation of the karaoke apparatus according to the present embodiment will be described.

In the configuration shown in FIG. 1, some trouble occurs in the karaoke apparatus 1, and an instruction to transmit an operation log file (corresponding to a "read instruction" in the claims) is controlled by a store clerk, a clerk, or a user. When given to the unit 26, the communication control unit 26 uploads the operation log file to the center 50. The information to be uploaded includes the serial number of the karaoke apparatus 1 in which the trouble has occurred, if necessary. This is for specifying the karaoke apparatus in which the failure has occurred.

The uploaded operation log file is supplied to the operation reproduction control unit 3 in the center 50 via the communication line 5. The operation reproduction control unit 3 according to the operation code and the information indicating the time in the operation log file,
The karaoke device 4 for operation reproduction is controlled. Hereinafter, FIG.
The specific operation of the operation reproduction control unit 3 will be described with reference to (a) and (b).

A. As shown in FIG. 5A, the operation log file supplied to the operation reproduction control unit 3 contains the time at which the operation was performed and the operation code corresponding to the operation. Based on these pieces of information, the operation reproduction control unit 3 first calculates a time interval Δtn from when a certain operation is performed to when the next operation is performed. That is, FIG.
In the example shown in (a), a time interval Δt1 from when the operation A is performed to the time when the operation B is performed, a time interval Δt2 from when the operation B is performed until the operation C is performed, are calculated. I do. The operation reproduction control unit 3 performs this process for the entire range of the transmitted operation log file. Then, as shown in FIG. 5B, sequence data (hereinafter, referred to as “operation”) including an operation code written in the operation log file and a time interval Δtn from the time when one operation is performed to the time when the next operation is performed. Sequence data ”), and this operation sequence data is stored in the operation reproduction control unit 3.
To a storage device (not shown) in the server.

B. When an instruction to reproduce the operation is given to the operation reproduction control unit 3 by a center staff or the like, the operation reproduction control unit 3 transmits the operation code (FIG. 5
In (b), the operation A) is read out, and this operation code is output to a CPU (not shown) in the operation reproducing karaoke apparatus 4.

C. Attn is counted by a predetermined clock, and when the counting is completed, the subsequent operation code is supplied to the CPU in the operation reproducing karaoke apparatus 4.
Thereafter, this operation is repeated.

The CPU in the operation reproducing karaoke apparatus 4 to which the operation code is supplied at a predetermined timing by the operation reproduction control section 3 operates in the same manner as when the operation code is supplied from the receiving section or the operation section. The respective parts of the reproduction karaoke apparatus 4 are controlled. Thereby, the operation of the karaoke apparatus 1 can be reproduced. The staff member of the center investigates the failure occurrence status reproduced in this way and searches for the cause of the failure.

As described above, according to the present embodiment, the operation of the karaoke apparatus 1 when a failure occurs can be simulated, so that the situation of the karaoke apparatus when a failure occurs can be confirmed. Thus, the cause of the failure can be reliably and promptly grasped.

B: Second Embodiment FIG. 5 is a block diagram showing the configuration of a karaoke apparatus according to a second embodiment of the present invention. Note that, in each unit of the apparatus shown in FIG. 5, the same parts as those of the karaoke apparatus shown in FIG. 2 described above are denoted by the same reference numerals, and description thereof will be omitted.

In the first embodiment, the operation log file in the hard disk drive 27 of the karaoke apparatus is uploaded to the center via the communication line 5, and a failure occurs in the operation reproduction karaoke apparatus 4 in the center. The operation performed on the performed karaoke apparatus 1 is reproduced. On the other hand, in the present embodiment, the karaoke apparatus itself has a function of reproducing the operation.

The karaoke apparatus of this embodiment is different from the karaoke apparatus shown in FIG.
Only 0 is different. The operation reproduction control unit 30 performs control for simulating the past operation of the karaoke apparatus, and corresponds to the operation reproduction control unit 3 in the first embodiment. That is, when an instruction to reproduce an operation is given by a staff member or the like, the operation reproduction control unit 30 reads the operation log file from the hard disk device 27, and stores the operation code in the operation log file and the next operation code after the operation is performed. Operation sequence data consisting of a time interval Δtn until the operation is performed is created, and this operation sequence data is stored in the RAM 13 in the karaoke apparatus.
Write to. Then, similarly to the first embodiment, the operation code is read out at the timing designated by Δtn in the operation sequence data, and the operation code is supplied to the CPU 11 of the karaoke apparatus 1. The following operation is the same as that of the first embodiment, and the description is omitted.

In this embodiment, the same effects as in the first embodiment can be obtained.

C: Third Embodiment Next, a third embodiment of the present invention will be described. In the first and second embodiments, the operation log file indicating the history of the operation performed on the karaoke device is written in the predetermined storage area in the hard disk device 27. In the present embodiment, in addition to this, control parameters (volume, key control, etc.) of the karaoke apparatus main body are added.
In addition, control parameters (hereinafter, simply referred to as “control parameters”) of peripheral devices connected to the main body of the karaoke apparatus, such as an LD playback apparatus and a display apparatus, are collected at regular intervals, and control is performed based on these control parameters and their collection times. The parameter log file is written to a predetermined storage area of the hard disk device 27. According to the present embodiment, by using the control parameter log file recorded in this way, it is possible to more accurately simulate the operation of the karaoke apparatus than in the first embodiment. That is, it is as follows.

First, in the karaoke apparatus according to the first embodiment, an operation log file transmission instruction (corresponding to a “read instruction” in the claims) is given by a clerk of a karaoke box, a clerk, a user, or the like. Then, the communication control unit 26 uploads the control parameter log file to the operation reproduction control unit 3 in the center together with the operation log file.

Here, the operation reproduction control unit 3 creates operation sequence data from the operation log file and extracts a time corresponding to the first operation code among the operation codes written in the operation log file. Then, the operation reproduction control unit 3 reads out the control parameters written immediately before the time from the control parameter log file.

When an instruction to start operation reproduction is given to the operation reproduction control unit 3 by a center staff or the like, the operation reproduction control unit 3 first supplies the above control parameters to the CPU in the operation reproduction karaoke apparatus 4. . The CPU 1 in the operation reproducing karaoke apparatus 4 sets the supplied control parameters in a corresponding portion of the operation reproducing karaoke apparatus 4 (for example, a volume control circuit when the control parameters are related to volume control). I do. After the above processing, the operation code corresponding to the operation performed on the karaoke apparatus 1 is reproduced by supplying the operation code included in the operation log file to the CPU 1 in the operation reproduction karaoke apparatus 4.

The same processing is performed when the control parameter log file is applied to the second embodiment, and the control parameters immediately before the operation to be reproduced are set for the karaoke apparatus. You.

According to the present embodiment, the situation in which a fault has occurred can be reproduced more accurately, so that the cause of the fault can be investigated in more detail than in the first and second embodiments.

D: Other Embodiments (1) In the first and second embodiments, the operation of the karaoke apparatus 1 is reproduced by using all the operation codes written in the operation log file. Alternatively, the operation of the karaoke apparatus may be reproduced using only the operation code written in a predetermined range of the operation log file. That is, in this embodiment, a configuration is adopted in which a desired start time and end time can be designated for the operation reproduction control unit 3 or 30 by a person or the like instructing operation reproduction performing a predetermined operation. Then, the operation reproduction control units 3 and 30 extract, from the operation log file, an operation code belonging to a range between the designated start time and end time and a time at which the operation is performed, and FIG. )
The operation sequence data shown in FIG.
Subsequent operations are the same as those described in the first and second embodiments. Alternatively, only the start time may be designated, and the operation sequence data may be created from the operation codes from the start time to the present.

(2) The function of (1) above may be added to the third embodiment. That is, when the start time is specified in accordance with the operation reproduction instruction, the operation reproduction control unit 3
Or, 30 refers to the information indicating the time in the control parameter log file, reads out the control parameter written immediately before the start time from the control parameter log file, and sets it in the operation reproducing karaoke apparatus. To do.

With this configuration, for example,
When the time at which the failure occurs can be specified, an operation reproduction instruction is given by designating a certain period before and after the time when the failure occurs, and the operation of the karaoke apparatus during that period can be accurately reproduced.

(3) It is also possible to adopt a configuration in which the operation code can be read quickly. That is, for example, in the first and second embodiments, after the operation sequence data is created by the operation reproduction control unit, all the duration data Δ
After shortening tn by a predetermined ratio, the processing for reading the operation code may be performed.

Although the reproduction speed of the operation of the karaoke apparatus is increased by reducing the duration data Δtn in the sequence data, the reproduction speed may be reduced by increasing the duration data Δtn at a constant rate. Good. Further, the reproduction speed may be arbitrarily adjusted during the reproduction of the operation.

According to the embodiments shown in (1) to (3), the operation can be reproduced more efficiently than in the first and second embodiments, and the cause of the failure can be detected more quickly. Can be investigated.

(4) In the first embodiment, the operation log file in the hard disk device 27 is uploaded to the operation reproduction control unit 3 in the center via the communication line 5. Is recorded on a floppy disk or the like, and the operation log file written on the floppy disk or the like is stored in the center 5
It is also possible to adopt a configuration in which the operation reproduction control unit 3 within 0 reads the operation.

(5) In the first and second embodiments, the operation time and the contents of the operation are written directly into the hard disk drive 27. However, the operation time and the operation May be temporarily buffered in the RAM 13 and a certain amount of information may be collectively written to the hard disk device 27.
That is, for example, from the time when the power of the karaoke apparatus is turned on, the time at which the operation is performed on the operation unit 14 or the remote controller 15 and the operation code corresponding to this operation are set to R.
Write to a predetermined address of the AM13, and when an instruction to turn off the power of the karaoke apparatus 1 is given, the RAM
13 may be written in the hard disk device 27.

(6) In the first and second embodiments, when there is no more free space for storing the operation log file, the information in the operation log file is sequentially deleted from the oldest one, Alternatively, old information is overwritten with new information. Under the control of the communication control unit 27, old information in the operation log file is uploaded to the center at regular intervals, and the uploaded information is stored in the hard disk drive 27 of the karaoke apparatus. It is good also as composition erased from. Thereby, all the operation codes collected in the past can be used for simulating the operation of the karaoke apparatus.

(7) In the second embodiment, the information written in the hard disk drive 27 is used only for investigating a fault.
By controlling the karaoke apparatus according to the operation time and the operation content written in the operation log file, the karaoke apparatus may be automatically operated. That is, thereby, the operation performed by the user can be used, for example, for demonstration of a karaoke apparatus.

(8) Some karaoke apparatuses shift to the owner mode when some of the switches provided on the operation unit 14 or the remote controller 15 are operated in combination. Here, the owner mode is a mode for managing a karaoke apparatus such as a clerk or a clerk for changing the setting of the karaoke apparatus.

In the conventional karaoke apparatus, in order to shift to the owner mode, a predetermined switch provided on the operation unit of the karaoke apparatus or a remote controller must be pressed. Therefore, in this embodiment, an operation code corresponding to the operation for shifting to the owner mode is written in an operation log file in the hard disk device 27 in advance. The operation code for shifting to the owner mode is configured not to be overwritten or deleted by new information.

When the host computer 2 in the center 50 instructs the karaoke apparatus 1 to shift to the owner mode via the communication line 5, the CPU 1 in the karaoke apparatus 1 switches to the owner mode in the operation log file. Read the operation code for shifting. This allows
The karaoke apparatus shifts to the owner mode. In the owner mode, the karaoke device C
The PU 1 controls each unit of the karaoke apparatus according to an instruction from the host computer 2 in the center 50.

As described above, according to the present embodiment, the settings of each karaoke apparatus can be managed by remote control from the center.

[0068]

As described above, according to the present invention,
The operations performed by the user can be stored one by one, and the operation of the karaoke device when the operation that caused the failure was performed can be reproduced, so the situation in which the failure occurred can be reproduced can do. Therefore, the investigation of the cause of the failure can proceed efficiently, and quick measures can be taken.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an overall configuration of a karaoke apparatus according to a first embodiment of the present invention.

FIG. 2 is a block diagram illustrating a configuration of a karaoke apparatus used in the karaoke apparatus according to the first embodiment of the present invention.

FIG. 3 is a diagram illustrating a configuration of a hard disk drive of the karaoke apparatus in the karaoke apparatus according to the first embodiment of the present invention.

FIG. 4 is a diagram showing a configuration of a log file in a hard disk device of the karaoke apparatus in the karaoke apparatus according to the first embodiment of the present invention.

FIG. 5 is a diagram illustrating details of operation sequence data in the karaoke apparatus according to the first embodiment of the present invention.

FIG. 6 is a diagram illustrating a configuration of a karaoke apparatus according to a second embodiment of the present invention.

[Explanation of symbols]

1 ... Karaoke device, 2 ... Host computer, 3 ...
... operation reproduction control unit 4 ... karaoke device for operation reproduction, 5 ... communication line 11 ... CPU (operation log file recording means), 12 ...
... ROM 13 ... RAM, 14 ... remote control, 15 ... receiver,
16 Operation unit 17 Sound source 18 Microphone 19 Mixer 20
... Amplifier 21... Speaker 22... LD playback device 23... Lyric display processing unit 24.
... Display device 26 Communication control unit 27 Hard disk device (storage means) 30 Operation reproduction control unit 40 Karaoke box
50 ... Center

Claims (11)

[Claims] An operation unit operated by a user, a storage unit, an operation code corresponding to an operation performed on the operation unit, and an operation log file including the operation code stored in the storage unit. Operation log file recording means for recording; read means for responding to a read instruction to read the operation log file recorded in the storage means; and operation log file read by the read means in response to an operation reproduction instruction. According to the included operation code,
A karaoke apparatus comprising: operation reproducing means for reproducing an operation of the karaoke apparatus. 2. The storage device according to claim 1, wherein the operation log recording unit stores an operation log file including time information indicating a time when the operation is performed, in addition to an operation code corresponding to the operation performed on the operation unit. 2. The karaoke apparatus according to claim 1, wherein the karaoke apparatus records the karaoke sound. 3. The operation reproducing unit according to claim 2, wherein the operation reproducing unit controls the execution timing of reproducing the operation corresponding to the operation code based on time information included in the operation log file. Karaoke equipment. 4. The karaoke apparatus according to claim 3, wherein the operation reproducing means includes means for adjusting a speed of reproducing an operation corresponding to each operation code included in the operation log file. 5. The karaoke apparatus according to claim 1, wherein the operation reproduction instruction includes information for designating a time or a period, and the operation reproduction unit operates in accordance with an operation code corresponding to an operation after the time designated by the operation reproduction instruction or within the period. 3. The karaoke apparatus according to claim 2, wherein the karaoke operation is reproduced. 6. A control parameter recording unit for periodically collecting control parameters of the karaoke apparatus, and recording a control parameter log file including the control parameters and the collection time in the storage unit. In response to the read instruction, the operation log file and the control parameter log file are read from the storage unit, and when the operation reproduction instruction is given, the operation reproduction unit includes the oldest operation log file. The operation of the karaoke apparatus is reproduced based on an operation code and a control parameter immediately before the time when the operation corresponding to the oldest operation code among the control parameters included in the control parameter log file is performed. The karaoke apparatus according to claim 2, wherein 7. A control parameter recording unit for periodically collecting control parameters of the karaoke apparatus, and storing a control parameter log file including the control parameters and the collection time in the storage unit. In response to the read instruction, the operation log file and the control parameter log file are read from the storage unit, and the operation reproduction unit, when an operation reproduction instruction including designation of the time or period is given, The karaoke operation is performed based on the operation code after the time or within the period in the operation code included in the operation log file and the control parameter immediately before the time or the period in the control parameter included in the control parameter log file. The camera according to claim 5, wherein the operation of the apparatus is reproduced. Orchestra equipment. 8. The apparatus according to claim 1, wherein the read unit supplies the operation log file read from the storage unit to the operation reproduction unit via a communication line. Karaoke equipment. 9. The karaoke apparatus according to claim 1, wherein said storage means is a portable storage medium. 10. The operation reproducing means includes a karaoke device different from a karaoke device whose operation is to be reproduced,
The reproduction of the operation is executed by supplying an operation code included in the operation log file to the other karaoke apparatus.
A karaoke apparatus according to claim 1. 11. The operation reproducing device according to claim 1, wherein the operation reproducing unit executes the operation reproduction by supplying an operation code included in the operation log file to a karaoke apparatus to be reproduced. Any one of 1 to 9
A karaoke apparatus according to claim 1.