JP2004095120A - Dubbing system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dubbing system capable of dubbing an optional area. <P>SOLUTION: This dubbing system is provided with a recording and reproducing device A capable of reproducing a magnetic tape 3, a recording and reproducing device B for recording the reproduced recorded data on a recording medium 4, and a controller 2 for performing control to drive both recording and reproducing devices A and B so as to dub the recorded data of a set dubbing range. When a dubbing range is set on the basis of a dubbing time, a counter 8 detects a dubbing time from the start of the dubbing, and when a set time is up, the dubbing is stopped. When a dubbing range is set on the basis of the number of record files, a detection circuit 7 detects an index signal included in the record files of the magnetic tape 3, and the record files are dubbed in accordance with the set number of the record files. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a dubbing system for dubbing recording data reproduced from a recording medium to another recording medium.
[0002]
[Prior art]
When a recording / reproducing apparatus records a program on a magnetic tape such as a video tape, video data is continuously recorded, one recording file is created, and a plurality of recording files are sequentially arranged on the magnetic tape. Time information when video data is recorded is continuously recorded in the recording file, and discontinuous points exist in a series of time information in the preceding and succeeding recording files. When this discontinuous point is detected, it can be determined that it is a break of one recording file. Therefore, by monitoring the time information, the start of the magnetic tape can be performed.
[0003]
Japanese Patent Application Laid-Open Publication No. H11-163873 describes dubbing a recording file of a recording-source magnetic tape to a recording medium of a recording destination using time information. That is, the magnetic tape is reproduced by the reproducing device, displayed on the monitor, and when the video of the desired recording file is obtained, the recording start key is operated so as to start dubbing. Then, the magnetic tape is rewound, the cue of the recording file being reproduced is located based on the discontinuous point of the time information, and reproduced. In synchronization with this, recording on the recording medium at the recording destination is started by the recording device, and dubbing is performed. When the recording end key is operated, a discontinuous point of the time information is detected, and the recording stops when the end point of the recording file is reached, and the dubbing ends.
[0004]
[Patent Document 1]
JP 2000-353349 A
[Problems to be solved by the invention]
Using the time information as described above allows dubbing from the start position to the end position of a desired recording file. However, if the time information is not recorded on the recording source magnetic tape, the recording file cannot be located at the beginning, and the start and end of dubbing must be visually determined. Therefore, there is a possibility that one recording file cannot be dubbed accurately.
[0006]
Also, since only one recording file on the magnetic tape can be dubbed, the same operation must be repeated a plurality of times to dub a plurality of recording files, which is complicated and poor in operability. Moreover, in order to be able to dub an arbitrary range, it is necessary to cancel the detection of the time information, which complicates the control of the reproducing device and the recording device.
[0007]
In view of the above, an object of the present invention is to provide a dubbing system that can easily dub an arbitrary dubbing range without using time information.
[0008]
[Means for Solving the Problems]
Means for Solving the Problems According to the present invention, a reproducing apparatus capable of reproducing recorded data recorded on a recording medium, a recording apparatus for recording input recorded data on another recording medium, and a recording medium from one recording medium to another A control device for driving and controlling the reproducing device and the recording device for dubbing the recording data, the control device comprising: setting means for setting a dubbing range in the recording data; and Dubbing means for inputting recording data in a dubbing range to the recording apparatus.
[0009]
As a result, if a desired dubbing range is set, arbitrary recording data or recording files, such as a part of recording data, one or a plurality of recording files, or all recording files, can be used for recording data or recording files arranged in order. A range of recording data can be dubbed.
[0010]
Specifically, the control device includes setting means for setting a dubbing time, and dubbing means for inputting recording data output from the playback device to the recording device for the set time. The dubbing range is determined by the set dubbing time, and the recording data is dubbed for the set time.
[0011]
Alternatively, the control device has setting means for setting the number of the recording files to be dubbed, and dubbing means for outputting a recording file from the reproducing device and inputting the recording file to the recording device according to the set number. The dubbing range is determined according to the set number of recording files. Thereby, a desired number of recording files can be dubbed.
[0012]
Here, the dubbing unit detects the index signal included in the recording file and counts the number of recording files. The index signal is a signal used for cueing a recording file, and is recorded when a recording file is created.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 shows a dubbing system according to an embodiment of the present invention. The dubbing system includes two recording / reproducing devices A and B, an input device 1, and a control device 2 for controlling the driving of these devices. These are built into the housing to be one recording / reproducing device. In one recording / reproducing apparatus A, a magnetic tape 3 is used as a recording medium, and recording / reproducing is performed on the magnetic tape 3, and in the other recording / reproducing apparatus B, a recording medium 4 such as a hard disk, which can be accessed randomly, is used. Recording and playback. The input device 1 is an operation panel provided in a housing, and can receive a signal from a remote controller.
[0014]
A display device 5 such as a television or a monitor is connected to the control device 2. The display device 5 is not limited to an external device such as a television and a monitor, and may be provided integrally with a housing. The control device 2 includes a control circuit 6 composed of a microcomputer, performs processing according to the type of the recording medium on a signal received from a terrestrial broadcast, a satellite broadcast, or a cable network, and records each of the recording / reproducing devices A, B or a video signal reproduced and output by one of the recording and reproducing devices A and B is output to the display device 5. A recording file is created by continuously arranging and recording the recording data, and the recording files are recorded so as to be arranged in order.
[0015]
Here, when recording data is recorded on each recording medium, the control signal is recorded without recording the time information as in the related art. By varying the duty ratio of the control signal for each recording file, an index signal is generated. Since the index signal is recorded at the head of the recording file, the index file can be used in place of the time information, and the start of the recording file can be located by the VISS (Video Index Search System) function. A detection circuit 7 for detecting the index signal is provided in the control device 2.
[0016]
Then, the control device 2 performs control for dubbing a recording file from one recording / reproducing device A to the other recording / reproducing device B. At this time, in order to enable dubbing in an arbitrary range, it has a function of setting a dubbing time and a function of driving each of the recording / reproducing apparatuses A and B for the set time. The monitoring of the time is performed by measuring the time by the counter 8 of the control device 2.
[0017]
The dubbing time can be set in fixed time units and is operated by operating a specific key. As shown in FIG. 2, each time the dubbing key capable of performing the sync start is operated once, the value increases in units of 15 minutes, and can be set up to a maximum of 6 hours. Alternatively, an arbitrary time may be set by directly inputting the time.
[0018]
Dubbing when the dubbing time is set will be described with reference to FIG. The recording source is the magnetic tape 3 of the recording and reproducing apparatus A, and the recording destination is the recording medium 4 of the recording and reproducing apparatus B. When the dubbing key is pressed during reproduction in the recording / reproducing apparatus A, a dubbing time of 15 minutes is displayed on the display device 5. Each time the dubbing key is pressed, the time increases by 30 minutes, 45 minutes, and 1 hour. When the desired dubbing time is reached, the user presses an enter key or the like to determine the dubbing time, thereby executing the dubbing.
[0019]
First, the recording / reproducing apparatus A temporarily stops reproduction and enters a standby state, and the recording / reproducing apparatus B starts recording. Immediately, the recording and reproducing device A releases the pause and starts reproducing. A counter clocks the time and the dubbing time is monitored. When the set dubbing time comes, the recording / reproducing apparatus B stops recording, the recording / reproducing apparatus A also immediately stops reproducing, and the dubbing ends.
[0020]
By setting a desired dubbing time in this way, it is possible to dub an arbitrary range from an appropriate position of a recording file being reproduced. Therefore, it is possible to dub only a necessary part from a recording file to another recording medium, a special recording file such as a digest version can be easily created, and the function of the recording / reproducing device can be improved.
[0021]
By setting the dubbing range in units of recording files, dubbing can be performed in an arbitrary range. Therefore, the control device 2 has a function of setting the number of recording files to be dubbed and a function of driving the recording / reproducing devices A and B according to the set number. The number of recording files is counted by detecting an index signal included in the recording file. That is, the number of recording files to be set is the number of index signals to be detected.
[0022]
Dubbing in units of recording files will be described with reference to FIG. The recording source is the magnetic tape 3 of the recording and reproducing apparatus A, and the recording destination is the recording medium 4 of the recording and reproducing apparatus B. When the dubbing key is pressed during reproduction in the recording / reproducing apparatus B, dubbing starts. Here, when the index key is pressed, a number input screen is displayed on the display device 5. When the desired number is set with the 10 key or the UP / DOWN key and the enter key or the like is pressed to determine the dubbing range, dubbing is executed.
[0023]
First, the recording / reproducing apparatus A temporarily stops reproduction and enters a standby state, and the recording / reproducing apparatus B starts recording. Immediately, the recording and reproducing device A releases the pause and starts reproducing. At this time, the video signal (SD signal) output from the recording / reproducing apparatus A is detected, and it is monitored whether or not there is a non-recorded portion. Whether or not a recording file exists is determined based on whether or not a period during which no video signal is present continues for a predetermined time, for example, 10 seconds. When an index signal is detected by the detection circuit 7 when there is a video signal, the count is reduced by one and dubbing is continued. When the set number of index signals is detected, the count number becomes 0, the recording / reproducing apparatus B stops recording, the recording / reproducing apparatus A also immediately stops reproducing, and dubbing ends.
[0024]
When the interval between the preceding and succeeding recording files is longer than a certain time, the non-recording time without a video signal continues for more than a certain time. In this case, when the set number of index signals is not counted, dubbing is continued until the next recorded file is reproduced and the index signal can be detected. Also, when the last recorded file is being reproduced during dubbing, there is a video signal, but the next index signal cannot be detected. When the reproduction is completed to the end, the non-recorded portion continues, and the dubbing ends even if the set number of recorded files has not been dubbed.
[0025]
In this way, by setting the dubbing of a desired number of recording files, an arbitrary range can be dubbed from the recording file being reproduced. Therefore, only the necessary recording file can be dubbed from the recording file to another recording medium. This is useful for organizing recording files and can be performed efficiently.
[0026]
Further, when performing the above two dubbing, an existing key can be used for inputting a dubbing time and a set number, and there is no need to provide a new key. Moreover, there is no need to perform a complicated operation, and the efficiency of the dubbing operation is improved.
[0027]
By the way, when dubbing by setting the number of recording files, the following recording file is dubbed based on the recording file at the start of dubbing, and the previous recording file is May be dubbed.
[0028]
In the former case, the dubbing range differs depending on the processing method for the recording file when the set number of index signals is detected. For example, assuming that the set number is +3 and the current position of reproduction at the start of dubbing is in the middle of the second recording file, each dubbing range is as follows.
[0029]
As shown in FIG. 5A, dubbing is started from the current position, and a third index signal is detected. This index signal is included in the fifth recording file. When dubbing is performed to the end of the fifth recording file and the index signal of the sixth recording file is detected, the dubbing ends because the fourth signal is the fourth recording file. In this case, the dubbing range is the part from the middle to the end of the second recording file and the third to fifth recording files.
[0030]
As shown in FIG. 5B, dubbing starts from the current position, and ends when the third index signal is detected. In this case, the dubbing range includes the part from the middle to the end of the second recording file and the third and fourth recording files.
[0031]
As shown in FIG. 5C, when the index search is performed from the current position and the index signal of the third recording file is detected, dubbing is started. When the third index signal is detected, dubbing is performed up to the end of the fifth recording file including the index signal, and when the index signal of the sixth recording file is detected, dubbing ends. In this case, the dubbing range is the third to fifth recording files.
[0032]
As shown in FIG. 5D, when the index search is performed from the current position and the index signal of the third recording file is detected, dubbing is started. When the third index signal is detected, dubbing ends. In this case, the dubbing range is the third and fourth recording files.
[0033]
As described above, there are four patterns for setting the dubbing range. In actual control, any one pattern is selected.
[0034]
In the latter case, for example, it is assumed that the set number is -3 and the current position of reproduction at the start of dubbing is in the middle of the sixth recording file. As shown in FIG. 6, when the process returns until three index signals are detected before the current position, a fourth recording file is obtained. Dubbing starts from here, and ends when dubbing to the end of the sixth recording file including the third index signal. In this case, the dubbing range is the fourth to sixth recording files. Further, when three index signals are detected before the current position, the process returns to the third recording file including the index signal one immediately before. Then, dubbing may be started from the third recording file, and terminated when dubbing is performed to the end of the fifth recording file.
[0035]
Note that the present invention is not limited to the above-described embodiment, and it goes without saying that many modifications and changes can be made to the above-described embodiment within the scope of the present invention. The recording medium is not limited to a magnetic tape and a hard disk, but may be a rewritable DVD, CD, MD, or semiconductor memory. The combination of the recording medium of the recording source and the recording medium of the recording destination is not limited to the above embodiment, and may be arbitrarily combined. The recording data recorded on these recording media is not limited to a video signal including an audio signal, but may be a video signal only, an audio signal only, or a character signal. As the setting of the dubbing range, a data amount may be specified in addition to the time and the number of recording files. In this case, a random accessible recording medium is suitable.
[0036]
Also, the present dubbing system is applied to a recording / reproducing device in which two recording / reproducing devices are integrated, but it is also possible to adopt a configuration in which each recording / reproducing device is separated and connected to each other by a cable. In this case, the control device is built in either one of the recording / reproducing devices or a relay device for connecting the two recording / reproducing devices.
[0037]
As a detection of the number when dubbing according to the number of recording files, a start signal or an end signal is recorded at the beginning or end of the recording file at the time of recording, and the number of recording files is counted based on this signal. You may do so. Alternatively, a signal for distinguishing from another recording file may be added to the recording file.
[0038]
【The invention's effect】
As is apparent from the above description, according to the present invention, by arbitrarily setting the dubbing range based on the time or the number of recording files, it is possible to record only the portion to be dubbed by a simple operation. Even if time information is not recorded on the magnetic tape, dubbing can be performed for each recording file by using the index signal.When dubbing a recording file from a magnetic tape, a conventional circuit can be used. Thus, a dubbing system can be realized at low cost in terms of software.
[Brief description of the drawings]
FIG. 1 is a schematic configuration diagram of a dubbing system according to an embodiment of the present invention. FIG. 2 is a diagram showing a change in a set dubbing time. FIG. 3 is a flowchart for executing dubbing based on the set dubbing time. FIG. 4 is a flowchart for executing dubbing based on a set number of recording files. FIG. 5 is a diagram showing a dubbing range at the time of dubbing based on the number of recording files. FIG. 6 is a diagram showing a dubbing range based on the number of recording files. Diagram showing dubbing range [Explanation of reference numerals]
DESCRIPTION OF SYMBOLS 1 Hard disk 2 Receiving part 3 Recording / reproducing part 4 Input part 5 Display part 6 Control part

Claims (4)

A reproducing apparatus capable of reproducing recorded data recorded on a recording medium, a recording apparatus for recording inputted recording data on another recording medium, and a dubbing apparatus for dubbing recording data from one recording medium to another recording medium. A control device for controlling the drive of the playback device and the recording device, the control device comprising: a setting unit for setting a dubbing range in the recording data; A dubbing system for dubbing input to the apparatus. A reproducing apparatus capable of reproducing recorded data recorded on a recording medium, a recording apparatus for recording inputted recording data on another recording medium, and a dubbing apparatus for dubbing recording data from one recording medium to another recording medium. A control device for controlling the playback device and the recording device, wherein the control device inputs setting data for setting a dubbing time, and recording data output from the playback device for the set time to the recording device. A dubbing system, comprising: dubbing means. A reproducing apparatus capable of reproducing a recording medium on which a plurality of recording files are recorded, a recording apparatus for recording an input recording file on another recording medium, and dubbing a recording file from one recording medium to another recording medium. A control device for driving and controlling the reproducing device and the recording device, the control device comprising: setting means for setting the number of the recording files to be dubbed; and a recording file from the reproducing device according to the set number. And a dubbing unit for outputting the data to the recording apparatus. The dubbing system according to claim 3, wherein the dubbing means detects an index signal included in the recording file and counts the number of recording files.

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