JPH0856352A - Video file server and video recording controller - Google Patents

Video file server and video recording controller

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Publication number
JPH0856352A
JPH0856352A JP6189485A JP18948594A JPH0856352A JP H0856352 A JPH0856352 A JP H0856352A JP 6189485 A JP6189485 A JP 6189485A JP 18948594 A JP18948594 A JP 18948594A JP H0856352 A JPH0856352 A JP H0856352A
Authority
JP
Japan
Prior art keywords
recording
video
storage
control
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6189485A
Other languages
Japanese (ja)
Inventor
Shugo Horigami
Shinji Nojima
Masaki Sato
正樹 佐藤
周吾 堀上
晋二 野島
Original Assignee
Matsushita Electric Ind Co Ltd
松下電器産業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Ind Co Ltd, 松下電器産業株式会社 filed Critical Matsushita Electric Ind Co Ltd
Priority to JP6189485A priority Critical patent/JPH0856352A/en
Publication of JPH0856352A publication Critical patent/JPH0856352A/en
Pending legal-status Critical Current

Links

Abstract

(57) [Abstract] [Purpose] An object of the present invention is to provide a management mechanism and a control / display means for sharing a recorded material with a device in a system in which a plurality of recording devices are distributed and shared on a network. [Structure] A plurality of monitors 14a to 14n for displaying images
And a plurality of video storage means 12 for storing video and audio data.
a to n are dispersedly arranged on the video exchange means 11, and a storage control section 13 and a monitor control section 15 for controlling them and a management section 16 for storing management information of the recorded matter are provided in the electronic message transmission means 1.
The user connects with 0 and sends a request for recording / playback of the recorded material using the monitor control unit 15, and plays back / records the video on the storage unit 12 based on the management information of the management unit 16.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention records video and audio signals of television broadcasting, cable television, in-house broadcasting, CCTV, karaoke, etc. by recording devices distributed on a network, and monitors from distributed monitors. The present invention relates to a video file server and a recording control device in which a user shares and uses these recorded objects and a recording device.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 8, there is a technique in which a video file server for storing and reproducing recorded material on a network is installed and the recorded material on the server is shared by a plurality of users. This is a device for reproducing a recorded matter on a video file server which is a center device from a viewer terminal or recording a video / audio signal from the viewer terminal on the server.

Further, conventionally, there is a VTR for making a program recording reservation by using a telephone line as shown in FIG. Such a VTR is installed in a home or the like and is connected to a telephone line, and a user can make a recording reservation in a VTR at home by remote operation using a tone signal from a telephone outside the home.

[0004]

However, the conventional video file server is realized as a single center device and must endure simultaneous access from a plurality of viewer terminals. I need.
Further, since it is a single center device, it is difficult for a user to freely install a storage medium in a server or newly install a recording medium without stopping the system. It would be convenient if conventional recording devices such as VTRs for home use were freely distributed on a network and users could share them.

Further, in a so-called communication karaoke system, a method of accumulating karaoke video in a center device and distributing the karaoke video to a terminal is adopted, but the supply source of video software is limited to one center device. There are restrictions. If there are multiple video software sources, it will be convenient for users because the range of video selection will be expanded.

Further, a conventional VTR which can be operated by a telephone is used as a single unit, and a plurality of VTRs do not cooperate with each other. The number of VTRs owned at home was limited, and for programs that could not be recorded due to overlapping broadcast times, a method of manually requesting a friend to record, and recording separately was taken. In addition, even if there are a plurality of VTRs at home, the schedule adjustment as to which program is recorded in which VTR is manually performed, so that an error is likely to occur.

[0007]

The present invention is to solve the above problems. A video file server according to the present invention inputs a command from a user and a plurality of monitors for displaying or expanding audiovisual data. Monitor control means for controlling a monitor, a plurality of video storage means for storing video / audio data, a storage control means for controlling the video storage means, one or a plurality of recording media mounted in the video storage means, and Video recording means, the recording medium, a recorded matter management means for managing the location of the recorded matter on the recording medium, a video exchange means for exchanging a video / audio signal between the video storage means or the monitor, The monitor control means, the storage control means, and the recorded matter management means are composed of electronic message transmission means for exchanging electronic messages,
A plurality of users can share a plurality of recording devices and recorded objects on a plurality of monitors.

Further, the recording control apparatus according to the present invention refers to the storage means for storing the destination of another recording control apparatus connected via a communication line, and requests the other recording control apparatus to record by referring to the storage means. Or a recording requesting means for accepting a recording request from the other recording control device, and a reservation storage means for storing information such as a program to be recorded from now on,
A recording execution command means for instructing the recording means connected to the recording control means to execute recording with reference to the reservation storage means and a program recording request are inputted, and the reservation storage means is updated or connected via a communication line. In addition, the recording control means of another recording control device has a reservation adjusting means for transmitting a recording request.

[0009]

In the video file server having the above structure, an access request to the recorded matter from the monitor control means is sent to the recorded matter management means by the electronic message transmission means, and the recorded matter management means retrieves information indicating the location of the recorded matter. Then, a telegram indicating the whereabouts of the recorded matter is sent to the monitor control means by the telegram transmission means, and the monitor control means uses the information indicating the whereabouts as a clue between the video accumulation means and the monitor on which the desired recorded matter is mounted. A request signal is sent to the video exchange means so as to establish the video connection, and an operation command such as reproduction of a desired recorded matter is sent to the storage control means.

Further, the recording control device having the above-mentioned configuration accepts a recording reservation request, and the reservation adjusting means refers to the reservation already stored in the reservation storing means, and makes a recording reservation so that the same recording means does not overlap the time. If the request cannot be processed, the recording requesting means is requested to satisfy the request to another recording control device. The recording requesting means issues a recording request to another recording control device while referring to the storage means. In addition, the recording execution instruction means, according to the reservation storage means,
A recording instruction is sent to the recording means to realize recording reservation.

[0011]

【Example】

(Embodiment 1) An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numerals 12a to 12n denote video storage means for recording, storing, and reproducing video and audio data. For example, storage means for storing analog signals like a well-known VTR or magneto-optical disk device, and input / output of digital signals. It may be a digital VTR or a digital magneto-optical disk device for storing, and further a laser disk or a CD-R.
It may be a reproduction-only video storage means such as OM.

Reference numerals 14a to 14n are monitors for displaying the image of the image storage means and for expanding the sound. Reference numeral 11 denotes the video and audio signals output by the video storage means 12a-12n, and the other video storage means 12a-12n and monitors 14a-14.
It is desirable to be a video exchange means for sending to the n, and it is desirable to be able to transmit video of a plurality of systems at the same time. It is an exchange means or a video exchange means by a matrix switcher.

Reference numerals 13a to 13n are corresponding image storage means 1
15a to 15n in the storage control unit for controlling 2a to 12n
Is a monitor control unit that controls the corresponding monitors 14a to 14n. Note that one storage control unit 13 may control a plurality of storage means.

Reference numeral 16 denotes a recorded matter management unit for managing recorded matter accumulated in the image accumulating means 12a to 12n, which stores / updates information regarding the name and location of the recorded matter, preferably,
It is desirable to store / update information such as updated date, owner, playback right, and recording / erasing right. Reference numeral 10 is a telegram transmission means for transmitting telegrams exchanged among the storage control units 13a to 13n, the monitor control units 15a to 15n, and the recorded matter management unit 16, for example, a computer LAN, a public network such as ISDN, or packet switching. Such as a net, hereinafter simply referred to as LA
Call it N.

The control units 13a to 13n and 15a to 15
n and the management unit 16 may be a computer such as a workstation, a personal computer, or a game machine. The image storage means 12a to 12n and the monitors 14a to 14n may be arranged dispersively on the image exchange means 11, and their positional relationship is arbitrary. Similarly, the storage control units 13a to 13n, the recorded matter management unit 16, and the monitor control units 15a to 15n are set to L.
Since they are distributed and arranged on the AN 10, there is no restriction on the positional relationship.

The recorded matter is managed in units of video files, and one video file consists of 0 to a plurality of image frames, and exists on a recording medium such as a video tape or an optical disc. The recorded matter management unit 16 stores the locations of all the video files in the video management table of FIG. 3 as described below.

The video management table is stored by assigning a unique key to each video file, and stores the medium name in which each video file exists and the section in the medium. The section in the medium is information such as how many frames to how many frames when a frame number is assigned from the head of the medium. It should be noted that this video management table also stores free areas on the medium.

Further, the recorded matter management unit 16 has all the image storage means 12a to 12n, and a device management table shown in FIG. 4 for storing the names of the storage media mounted in the respective storage means and the use states of the devices. .

A monitor controller 15 for controlling each monitor
Each of a to 15n stores the video list shown in FIG. This video list is a monitor control unit 1 that stores the table.
A list of video files that can be accessed from 5 is stored, and the name of the video file and the key for accessing the video file are stored as a pair.

The contents of the video file stored in each monitor control unit 15 are different, and it is possible to prevent users of other monitors from arbitrarily accessing the video files of other users. It is also possible to store such a video list in the recorded matter management unit 16 and operate so that all the monitors can access the video files on the list.

The operation of the above configuration will be described below. The main operation of the distributed recording apparatus according to the present embodiment is reproduction, recording, copying, and erasing of audio / video data, and other operations are insertion into a recording medium, such as a VTR, mounted on the video storage means 12. Operation to change cassettes,
Alternatively, there are operations relating to registration / deletion of the video storage means 12 and its control unit 13, which will be described below.

First, reproduction of a video file will be described. When an "error" described below occurs, a negative response including an error occurrence factor is preferably returned.

The user selects "StarW" in the video list.
Consider the case of playing a video file called "ars". The user uses the monitor controller 15 to select the video file. The control unit 15 refers to the video list and obtains the key "OP3C2D2R" of the corresponding video file. The monitor control unit 15 sends the “open message” of the video file including this key to the recorded matter management unit 16 via the LAN 10.

The recorded matter management unit 16 receives the open telegram and compares it with the key of the stored video management table. It is an error if collation is not possible. If the collation succeeds, the device management table stored in the recorded matter management unit 16 is referred to by using the corresponding medium name as a clue, and the device address of the storage device in which the corresponding medium is mounted and the use of the device. Get the status. Here, it is an error if the device is inaccessible at the same time and is in use. Alternatively, it is an error if neither device has the target medium mounted.

If there is no error, the management unit 16 transmits a "clue message" including the device address of the recording device and the frame number indicating the section in the medium to the monitor control unit 15 which has made a request. Also, the usage status of the corresponding device is set to "playing".

When the monitor controller 15 receives a negative response due to an error, the monitor controller 15 displays this on the monitor 14 and ends the reproducing operation. When the monitor control unit 15 receives the clue message, the accumulation control unit 13 of the storage device described in the message.
“Reproduction telegram” is transmitted to the LAN via the LAN 10. The "playback" used here includes known video playback commands such as cue, fast forward, rewind, slow playback, fast forward playback, and pause. However, the monitor control unit 15 transmits the reproduction telegram so as not to deviate from the “section” of the video file included in the clue telegram. This prevents access to areas other than the video file, and, for example, prevents illegal access to the video files of other users.

Further, the monitor control section 15 sends a request signal to the video exchanging means 11 so that the video from the target storage device is transmitted to the monitor before sending the first reproduction message, and the video connection is made. Have been established. Storage control unit 1
3 receives a reproduction message sent from the LAN 10, sends an appropriate control signal to the image storage means 12, and the image is reproduced. The reproduced image is displayed on the monitor 14 via the image exchange means.

When the user wants to stop playing the video file, the user inputs a stop command to the monitor controller 15. The monitor control unit 15 sends a "stop message" to the storage control unit 13 of the device that is playing back, sends a request signal to the video exchange means 11 to disconnect the video connection from the storage device to the monitor, The “close telegram” including the key corresponding to the video file name is transmitted to the recorded matter management unit 16.

Upon receipt of the stop message, the storage controller 13 sends a stop control signal to the video storage means 12 to stop the reproduction. Further, the video exchanging means 11 that has received the signal requesting the disconnection of the video disconnects the video connection from the video accumulating means 12 to the monitor 14.

Further, the recorded matter management unit 16 that has received the close message refers to the device management table in the same operation as when the open message is received, and sets the use state of the device to the "vacant" state. This completes the playback operation.

In the case of a device that allows a plurality of users,
If the number of users is stored together with the usage status, and the number of users is increased by 1 when open and decreased by 1 when closed, and the allowable number of users is stored in the device management table, the usage exceeds the allowable limit. It prevents the number of people from accessing the device. The monitor control units 15a to 15n
By exchanging the key information of the video file between them, the same video file can be accessed on other monitors.

If the video list 20 is stored in the recorded matter management unit 16 and the video files to be shared by all the monitors are stored here, these video files can be accessed by all users. be able to.

Next, the operation when recording a video file will be described. The user inputs the length and name of the video file desired to be recorded on the monitor control unit 15, and also the medium name when the designation is made. The monitor control unit 15 transmits a “blank allocation message” including the length of the video file and the medium name information, if specified, to the recorded matter management unit 16.

When the recorded matter management unit 16 receives the blank allocation message, it refers to an empty area stored in the video management table, searches for an area sufficiently satisfying the request size, and if the search is successful, a new one is newly created. Issue the key and register it as a video file in the video management table. Also,
An electronic message including the key, the storage device, the medium name, and the section information in the medium is returned to the monitor control unit 15. It is an error if the free space cannot be searched.

Upon receiving the reply, the monitor control unit 15 registers this key in the video list together with the video file name. If the medium is loaded in the storage device,
Similar to the operation in reproduction, video recording can be performed by video connection with another video device on the video exchange means 11, for example, a video camera.

If the medium is not installed in the storage device and the medium can be recorded by using another recording means, the section information in the medium sent from the recorded matter management unit 16 is used as a clue for recording. be able to. It should be noted that when transmitting the blank allocation message, it is desirable to be able to request that the medium mounted in the device be allocated without fail.

The copying operation can be carried out by combining the reproducing operation and the recording operation. Copying between desired media is possible by using the operation of exchanging recording media described later together.

In this operation example, the telegram for controlling the storage means such as the reproduction telegram and the stop telegram was directly transmitted from the monitor control section 15 to the video storage means 12, but instead, these telegrams are temporarily recorded. It is sent to the object management unit 16 and the recording unit management unit 16 stores the storage unit 12 in the storage unit 12.
An indirect method of sending a telegram for controlling is also conceivable. However, the direct transmission described above is preferable because the load on the recorded matter management unit 16 can be reduced.

Next, erasing of a video file will be described. The monitor control means 15 inputs the name of the video file to be deleted. The monitor control means 15 creates an erase message including a key indicating a video file in the same manner as the open message in reproduction, and sends it to the recorded matter management unit 16.

The recorded matter management unit 16 that has received the erasure message
Refers to the video management table, deletes the registration of the corresponding video file, and stores it as a free area.

Next, the operation of exchanging the recording medium mounted on the storage device will be described. When the registered recording medium is installed in the registered storage device, the monitor control unit 15 creates a “mounting electronic message” including the medium name and the device address input by the user, and sends it to the recorded matter management unit 16. . The recorded matter management unit 16 reflects the mounting relation of the medium of the mounted electronic message on the device in the device management table.

Next, the operation of registering a new recording medium will be described. The monitor control unit 15 creates a "medium registration telegram" including the name of the medium to be registered, the length, and the type of system such as beta or VHS, and transmits this to the recorded matter management unit 16, which then manages the recorded matter. 16 receives the medium registration message and stores it in the video management table as an empty area. Similarly, the registration of the medium can be deleted. In this case, the management information of the video files on the medium is discarded, and these video files become inaccessible.

Next, the operation of registering a new storage means will be described. In the same way as when registering a new medium, the storage device registration message including the type and storage device address is recorded by the recorded matter management unit 1.
6, and the recorded matter management unit 16 having received this registers the new device in the device management table.

As described above, the distributed recording apparatus is realized in which the images of the plurality of distributed image storage means can be accessed from the respective distributed monitors.

It should be noted that although the description has been given of the recording / playback of the video / audio signal, the audio signal is similarly stored in the recording devices distributed over the network and reproduced by the monitor, or the still image is distributed. A structure in which the data is stored in the storage means arranged and displayed on a monitor, or a combination thereof is easily inferred from the present invention.

(Second Embodiment) A second embodiment of the present invention will be described. The second embodiment is intended for a home video recording device. In FIG. 5, 50 is a home and 51
Is a friend's house. Note that the expressions “home” and “friend's house” are names for convenience of description, and the embodiment of the invention is not limited thereto. The home 50 and the friend's home 51 are provided with terrestrial or satellite broadcast receiving antennas 55 and are provided with one or more well-known home VTRs 52, which are controlled by the control means 53a, 53b of the present invention described below. Has been done.

The control means 53a of the home 50 and the control means 53b of the friend's home 51 are connected to the public telephone network 54, for example, and can communicate with each other, as will be described below.

The structure of the control means 53 will be described with reference to FIG. A remote control 67 is used by the user to send a command to the control means 53. Reference numeral 65 denotes a remote control light receiving unit, which receives a command from the remote control 67 and reaches the CPU 61. Reference numeral 61 is a reservation adjustment unit 6 in response to a command from the remote controller.
9, a CPU that controls the recording request unit 70 and the telephone directory 64.

Reference numeral 69 denotes the remote controller 67 or the recording request section 7
Plan a timer recording table reservation by comparing a new timer recording reservation request input from 0 through the CPU 61 with the timer recording reservation registered in the reservation storage unit 63.
It is a reservation adjustment unit to be set.

Upon receiving a recording request request from the remote controller 67 or the reservation adjusting unit 69, the reference numeral 70 refers to the telephone directory 64 and outputs a recording request message to be described later to the friend's house 51 via the telephone I / F 62, or Similarly, it is a recording request unit that receives a recording request message sent from the friend's house 51 and outputs a timer recording request to the reservation adjusting unit 69 via the CPU 61.

Reference numeral 62 denotes a telephone I / F unit for the recording request unit 70 to exchange electronic messages via the telephone network, which is, for example, a well-known telephone modem. Reference numeral 63 denotes a reservation storage unit that stores the reservation contents of program recording, and stores a recording time, a channel, a VTR for recording, and a recording mode. Reference numeral 68 denotes a reservation storage unit 63 and a recording execution instruction unit that outputs control signals such as recording start and recording end to the VTR 52 connected according to the time and reservation contents obtained from the clock 71.

It should be noted that it is desirable that the recording execution command section 68 can detect the recordable remaining amount and quality of the tape inserted in the connected VTR 52, but when the tape is inserted, it is declared by the remote controller 67. However, this information may be stored in the reservation storage unit 63 so that it can be referred to when setting the recording reservation.

The VTR 52 can be connected to cable television and in-house broadcasting in addition to terrestrial broadcasting and satellite broadcasting. The control signal is transmitted from the control means 53 to the VTR by using an infrared remote control signal or a computer LA in addition to using a control line.
N may be used.

As a method of registering telephone numbers in the telephone directory 64, it is desirable to store priorities for each registration. In addition, the reservation adjustment unit 69 has a feature for each VTR,
For example, it is desirable to store information such as whether or not a so-called satellite broadcast can be received, and whether or not a premium broadcast decoder is provided.

Further, it is also possible to store the characteristics of the VTR of a friend's house here and refer to it when making a recording request. In addition to the VTR, the recording means may be a magneto-optical disk device, a digital VTR, a personal computer capable of storing / reproducing moving images.

In this embodiment, the telephone network 54 is used for communication between the control means 53, but it is also possible to use, for example, a computer LAN instead of the telephone network 54. In this case, when making a recording request, it is possible to make a recording request to a plurality of friends' houses at the same time by using the broadcast function of the LAN, and a faster recording request can be made.

The operation of the above configuration will be described below. At the home 50, a program recording reservation is made to the control means 53 using the remote controller 67. The difference from the conventional VTR program reservation is that the reserved programs may overlap in time.

When the CPU 61 receives the program recording reservation request, it sends it to the reservation adjusting unit 69. The reservation adjustment unit 69 refers to the reservation storage unit 63, allocates a recording request to a VTR that can be reserved, and registers this in the reservation storage unit 63. If the reservable VTR has an arbitrariness, it is desirable to display that fact on the display unit 66 and use the remote controller 67 to instruct which VTR to record, and if not instructed, it is preferable that the VTR is automatically assigned.

Further, it is desirable to display the reservation contents of the reservation storage unit 63 on the display unit 66 during normal times. It is also possible for the reservation adjusting unit 69 to store the performance of the VTR and preferentially allocate the high-performance VTR when allocating the recording reservation.

When the recording reservation is made as described above, a situation occurs in which it becomes impossible to further reserve the recording of the program D in addition to the programs A to C as shown in FIG. 7, for example. However, observing FIG. 7 carefully, VT
Note that the program D can be newly reserved by changing the recording allocation for each R.

For example, during the recording operation of the program A, the program D
It is not desirable for the VTR 1 to interrupt the program A being recorded when the recording reservation request is made. Therefore, the reservation adjusting unit 69 allocates the program B which has not started recording to the VTR 1 and the program C to the VTR 2 VTR2
Assign the reservation of program D to.

However, if a program reservation request that cannot be satisfied by the above operation is made in the reservation adjusting section, the VTR of the friend's house 51 is automatically requested to record according to the following operation.

The reservation adjusting section 69 instructs the recording requesting section 70 via the CPU 61 to request a recording at a friend's house. In the telephone directory 64 of the control means 53a of the home 50,
The telephone numbers of a plurality of friend's houses including, and preferably the password and the sub-address are registered in advance by using the remote controller 67. The recording request unit 70 refers to the telephone directory 64, searches for the friend's house 51 having the highest priority, and then calls the telephone I / F.
Call the friend's house 51 via.

The control means 53b of the friend's house 51 automatically responds when the preset number of calls is exceeded, and transmits a response signal to the control means 53a as a proof of the response. When an ISDN network is used as a telephone line, a recording device at a friend's house can be specified and called by making a call with a subaddress specifying the recording device.

When the control means 53a at home confirms the response from the control means 53b at the friend's home, it sends the home telephone number and, preferably, a previously agreed password to the control means 53b.

The recording requesting unit of the control means 53b of the friend's house refers to the telephone directory and compares the telephone number with the password. If the collation fails, it is determined that the access is illegal, a negative response signal is transmitted to the home control means 53a, and the telephone line is disconnected. It is also possible to store the fact that the illegal access has occurred in the control means 53b of the friend's house and display it on the display unit 66. If the collation succeeds, the access from the control means 53a of the home 50 is permitted, and a normal response signal is transmitted to the control means 53a of the home.

When the recording request unit 70 of the control means 53a at home receives the normal response signal, it makes the following recording request. If a negative response signal is received, a warning message is displayed on the display unit 66, the telephone directory 64 is searched for a friend's house with the next highest priority, and the request operation is repeated.

The recording requesting unit 70 of the control means 53a at home sends the recording request message containing the time information and channel information of the program for which recording is requested, and preferably the recording quality information, to the friend's house 51.
To the control means 53b.

The control means 53b of the friend's house receives the electronic message and sends the recording request to the reservation adjusting section 69. The reservation adjusting unit 69 tries to satisfy the recording request by the same operation as that described above performed by the control means 53a of the home 50. If it can be satisfied, a normal response is transmitted to the home 50, and if not, a negative response is transmitted.

When the normal response is received by the above operation, the control means 53a of the home 50 displays a message to that effect on the display unit 66 and disconnects the call. When a negative response is received, the telephone directory 64 is searched for a friend's house with the next highest priority, and the recording request operation is repeated. If the request for recording is not accepted even if all the friend's homes registered in the telephone directory 64 are requested, the program cannot be requested for recording, and this is displayed on the display unit 66.

As described above, by dispersively recording the programs whose time is overlapped, it becomes possible to automatically record the programs which cannot be completely recorded by the conventional VTR which is used independently.

When the computer LAN is used instead of the telephone network 54 as described above, the telephone directory 64 stores addresses instead of telephone numbers. When requesting recording to a friend's house, LA is preferable to requesting to a specific friend's house.
Broadcast a recording request to a limited group of friends' houses on N or all friends' houses on LAN, refer to the returned telegram, and preferably refer to the above-mentioned degree of burden to find appropriate friends' houses. The operation of confirming the recording request is performed. As a result, the recording request can be made with a smaller number of requests than when using the telephone network.

Since it is troublesome to automatically make a reservation while using the VTR for reproducing purposes, it is preferable to use the VTR.
Of the playback status of the V
When assigning recording reservation to TR, display alarm 6
It is convenient to display it on 6 or emit an alarm sound.

The program reserved in the reservation storage unit 63 as described above is recorded by a timer operation of the clock 71 and a control signal sent from the recording execution instruction unit 68 to the VTR 52.

As described above, a plurality of VTRs that have conventionally operated independently are cooperatively operated by using the control means of the present invention, so that a limited number of VTRs can be effectively used and the program recording capability is enhanced. be able to.

Even if the phone book 64, the recording request unit 70, and the telephone I / F 62 are omitted from the above-mentioned components, the recording request to the friend's house cannot be made. However, by using the present invention, the VTRs 52a to 52n at home are used. It goes without saying that the VTRs can be effectively used by operating the plurality of VTRs in a coordinated manner.

(Third Embodiment) In addition to the second embodiment, a case will be described in which the reservation is not erased even after execution of timer recording, and is stored in the reservation storage unit 63 as a recording history as long as the storage capacity permits. .

As an operation in this case, as a special case of recording reservation, a recording request for past programs is instructed by the remote controller 67, and if there is a recording history in the control means 53a at home, this is displayed on the display unit 66. However, it is possible to show the possibility that the recorded material of the relevant program exists at home, and if it is not in the recording history of the home 50, the same operation as the request for recording is performed at the friend's house 5.
1 can be inquired about the recording history.

If there is a recording history of the corresponding program at the friend's house, the notification to that effect is received, and the friend's house 51
It can be seen that there is a possibility that you will be provided with a recording of the program. That is, by inquiring about the recording history in the same way as the recording request, it is possible to automatically obtain a list of friend's homes that have recorded the program, and increase the possibility that the target program can be obtained from past programs. be able to.

It should be noted that, by using the recorded material management mechanism of the VTR that manages recorded material using a known bar code, the correspondence between the recording history and the bar code of the recorded material is stored together to erase the corresponding program. You can respond whether it has gone down.

(Fourth Embodiment) In addition to the second embodiment, when accepting a recording request at a friend's house 51, instead of simply sending a normal response, a reservation adjustment for obtaining a "burden" described below. An embodiment of the distributed recording apparatus of the present invention will be described which includes a recording section and a recording request section for exchanging recording requests with the clue as a clue.

The "burden" is the burden on the friend's house 51 in order to realize the recording request from the house 50. In the first place, when the recording including the contents of the recording request is set in the friend's house 51, the setting change is not necessary in the friend's house 51, and thus the burden level is 0. When the recording request is satisfied to change the recording allocation, the load is 1, and when the recording allocation is changed, the load is 2, and the reservation adjusting unit 69 obtains the value. 1
If there are many requests for recording for one program,
Considering the time and effort to lend the tape to a friend later, it is advisable to highly evaluate the burden.

The recording request unit of the control means 53a of the house 50, which has been notified of the burden level as described above, determines whether to decide the recording request or to request the recording to another friend's house according to the burden level. You can choose. As a result, it is possible to make a recording request in consideration of the burden on the friend's house, and it is possible to perform the cooperative operation of the recording devices with a smaller burden. (Fifth Embodiment) In addition to the fourth embodiment, when a recording request is received, a distributed recording apparatus that stores the recording requester, the recording content, and preferably the burden level in the reservation storage unit 63 or the telephone directory 64. An example will be described.

The reservation storage unit 63 stores the recording requester for each VTR or each recorded program. For example, when the tape is taken out from the VTR after the recording is completed, a list of requesters who have requested the programs recorded on the tape is displayed on the display unit 66.

With the above operation, it is possible to obtain a list of clients who should lend the tapes in the VTR, which is convenient for lending the tapes.

Further, the telephone book 64 stores the recording request for each client, the CPU 61 periodically collects the recording requests, and calculates the request amount, preferably in consideration of the burden level,
An operation of displaying the result on the display unit 66 is also possible.

By such an operation, it is possible to request the requester for a reward according to the amount and the burden of the recording request. (Embodiment 6) In addition to the fifth embodiment, VTRs 52a-5
A configuration in which at least one of the 2n can input a baseband video / audio signal from another VTR and select and record video / audio from another VTR by a command from the recording execution command unit will be described. The recording VTR will be referred to as a master VTR hereinafter.

With such a structure, as will be described below, it can be created by dubbing and editing a lending tape for lending to the recording requester.

The remote controller 67 is used to input to the CPU 61 which client's rental tape to create. CPU 61
Instructs the reservation adjusting unit 69 to assemble a schedule for making the rental tape of the client. The reservation adjusting unit 69 refers to the reservation storage unit 63 and schedules the lending tape creating work.

The program requested by the recording requester is a plurality of VTRs.
It exists over the period of time, and is dubbed to the master VTR, but it must not collide with the recording reservation of the VTR affected by this dubbing work. Scheduling is performed while checking whether such collisions occur. In particular, it is desirable that the recording reservations stored in the master VTR be allocated to other VTRs as much as possible and concentrated in dubbing work. If there is no room for the dubbing work, the fact is displayed on the display unit 66.

When the scheduling is successful, a message to that effect is displayed on the display unit 66, and further, a tape to be rented out is displayed to be set in the master VTR. After setting the tape, the remote controller 67 gives an instruction to start the production.

The dubbing schedule is stored in the reservation storage unit 63 by the scheduling operation, and the recording execution commanding unit 68 sends the VTR a reproduction and reproduction instruction and a master VTR a recording and VTR selection instruction according to the schedule.

It may be necessary to dubb the recorded material on the tape originally contained in the master VTR. In this case, in order to dubb this tape, it is necessary to reset it in another VTR, and an instruction to replace the tape is displayed on the display unit 66, and the tape is manually replaced.
Since such work is troublesome, when dubbing,
It is desirable to schedule so that recording by request is not performed by the master VTR as much as possible.

Also, if it is not necessary for me to record, and a program to be recorded by a friend requesting recording, it is advisable to record on a rental tape from the beginning. By doing so, the trouble of dubbing can be saved and the deterioration of image quality due to dubbing can be avoided.

As described above, by creating a lending tape exclusively for the recording requester and lending or transferring it,
Compared to the case where a dedicated tape is not created, the inconvenience that the tape cannot be viewed while renting it out, and the inconvenience that the program that is not requested in the tape is lent out, is released.

If there is a video exchange means for transmitting a video / audio signal between the house and the friend's house, the program requested to be recorded can be transmitted to the friend's house through the transmission means after recording, and it is troublesome to lend a tape. Needless to say, it is possible to omit the above and obtain more desirable results.

[0097]

As described above, by disposing a plurality of recording devices in a distributed manner on the network and providing a mechanism for operating these recording devices in a coordinated manner, these recording devices and recorded objects can be distributed among a plurality of users. A device that can be shared and used can be provided.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a distributed recording apparatus according to a first embodiment of the present invention.

FIG. 2 is a conceptual diagram of a video list held by the distributed recording apparatus of the present invention.

FIG. 3 is a conceptual diagram of a video management table held by the distributed recording apparatus of the present invention.

FIG. 4 is a conceptual diagram of a device management table held by the distributed recording device of the present invention.

FIG. 5 is a usage pattern diagram of a distributed recording apparatus according to a second embodiment of the present invention.

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

FIG. 7 is a conceptual diagram showing a state of reservation adjustment in the second embodiment of the present invention.

FIG. 8 is a block diagram of a conventional network-type recording device.

FIG. 9 is a block diagram of a conventional remote control VTR.

[Explanation of symbols]

 10 message transmission means 11 video exchange means 12a video storage means 12n video storage means 13a storage control section 13b storage control section 14a monitor 14n monitor 15a monitor control section 15b monitor control section 16 recorded matter management section 50 home 51 friend's home 52 VTR 53a dispersion Recording device 53b Distributed recording device 54 Public telephone network 55 Reception antenna 61 CPU 62 Telephone I / F 63 Reservation storage unit 64 Phonebook 65 Light receiving unit 66 Display unit 67 Remote control 68 Recording execution command unit 69 Reservation adjustment unit 70 Recording request unit 71 Clock 80 video file server 81 storage means 82a display terminal 82n display terminal 90 public network 91a telephone 91n telephone 92a VTR 92b VTR

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical indication H04N 5/765

Claims (9)

[Claims]
1. A video exchange means for transmitting a video / audio signal, at least one video storage means for storing video / audio data connected to the video exchange means, and a storage control means for controlling the video storage means. Connected to the video exchange means, at least one recording medium mounted on the video storage means, the video storage means, the recording medium and a recorded matter management means for managing the location of the recorded matter on the recording medium,
At least one monitor for reproducing the video / audio data stored in the video storage means, monitor control means for controlling the monitor, and a telegram between the monitor control means, the storage control means and the recorded matter management means. A video file server including a message transmission means for transmitting a message.
2. The recorded matter managing means associates the recorded matter, the recording medium in which the recorded matter exists, the position of the recorded matter in the recording medium, and the video storage means having the storage medium with each other. 2. The video file server according to claim 1, wherein the video file server is managed based on an identifier for identifying the recorded matter, and the recorded matter is identified from the monitor control means based on the identifier.
3. The monitor control means directly sends an operation instruction to the video storage means to be accessed from the monitor control section to the storage control means for controlling the video storage means. The video file server described in either one.
4. A reservation storage unit for storing reservation information for recording, a recording execution instruction unit for instructing a recording unit to execute recording based on the reservation information stored in the reservation storage unit, and the reservation storage for a recording request. A recording control device comprising a reservation adjusting means for adjusting reservation information of a copy.
5. A recording request unit for requesting or accepting recording via a communication line, a storage unit for storing a communication destination of the recording request unit, and a control unit for controlling determination of a recording request destination. The control means requests recording to the recording requesting section based on the adjustment result of the reservation adjusting section, and instructs the recording adjusting section to request the recording from the recording requesting section. 4. The recording control device according to 4.
6. The recording control device according to claim 4, wherein the reservation storage unit stores the recording result even after recording.
7. The reservation adjustment unit obtains the burden required to realize the recording request received via the communication line, and the recording request unit requests the recording based on the burden obtained through the communication line. 7. The recording control device according to claim 5, wherein the communication destination is determined.
8. The recording control device according to claim 5, wherein the storage unit that stores the communication destination of the recording request unit stores the contents of the recording request for each request destination. .
9. A schedule in which at least one of the plurality of recording means inputs a video / audio signal from one or a plurality of other recording means, and the reservation adjusting means duplicates the requested recording based on the reservation storage. 9. The recording control device according to claim 7, wherein the recording execution instruction means outputs a recording instruction to the recording means based on the schedule.
JP6189485A 1994-08-11 1994-08-11 Video file server and video recording controller Pending JPH0856352A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6189485A JPH0856352A (en) 1994-08-11 1994-08-11 Video file server and video recording controller

Publications (1)

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JPH0856352A true JPH0856352A (en) 1996-02-27

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Application Number Title Priority Date Filing Date
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