JPH09191442A - Recording and reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To display what kind of video is recorded in a video tape on a display after the video tape is inserted into VTR. SOLUTION: The video tape 18 is fed to a prescribed position after the video tape 18 is inserted into VTR 20 and a moving picture is taken into a storage device 11 in a computer 16 for prescribed time by using a video capture circuit 14. At the time of retrieval, the video tape 18 is inserted into VTR 20 and the video tape 18 is fed to the prescribed position. Then, the moving picture is taken into the storage device 11 in the computer 16 for prescribed time by using the video capture circuit 14. A moving picture which is previously stored is matched with the moving picture which is taken in this time so as to recognized what kind of video tape 18 it is.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording / reproducing apparatus having a mechanism for detecting, from a video recorded on a video tape, a video disc or the like, what video is recorded on the video tape or the video disc. It is a thing.

[0002]

2. Description of the Related Art FIG. 11 is a block diagram of an example of a conventional recording / reproducing apparatus. In FIG. 11, reference numeral 100 is a video tape, 101 is a recording / reproducing circuit for recording or reproducing signals such as video and audio on the video tape 100, 102.
Is a VTR comprising the video tape 100 and the recording / reproducing circuit 101.

The operation of the conventional video reproducing apparatus configured as described above will be described below. Video tape 1
00 is inserted into the VTR 102, and the recording / reproducing circuit 101 outputs a video signal and an audio signal.

[0004]

However, the above-mentioned structure has a problem that it is impossible to know what is recorded in the image recorded on the video tape to be inserted unless the image is actually reproduced. It was

In view of the above points, the present invention has an object to provide a device for determining what kind of image is recorded on a video tape after inserting the video tape.

[0006]

SUMMARY OF THE INVENTION In order to solve the above problems and to achieve the object, the present invention provides a means for taking in and recognizing an image on a video tape, and accurately controlling the time code from the means. It is characterized by consisting of possible VTRs.

According to the present invention, what kind of image is recorded on the video tape is displayed on the display after the video tape is inserted into the VTR and can be discriminated.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration diagram of a recording / reproducing apparatus of the first invention, and FIG. 2 is a flowchart showing a processing flow of the configuration diagram of the recording / reproducing apparatus of the first invention.

First, of the VTR recording formats,
The time code will be described. Generally, VT for broadcasting stations
Many of the Rs or VTRs for business use a signal indicating that the tape position is the position of what hour, minute, second, and frame from the beginning of the tape for each field video signal unit of the video signal to be recorded. There is an area on the tape for recording, and the signal written in the area is called a time code, which is used as information when designating the beginning of a predetermined video.

In FIG. 1, 10 is a CPU for performing video matching processing and VTR control, 11 is a storage device for storing video signals and audio signals, 12 is a display circuit for displaying video, and 13 is a display circuit. Is a control signal generation circuit for controlling the VTR, such as fast-forwarding to a designated position and reproduction from the designated position, based on information such as a time code.
Reference numeral 4 is a video capture circuit for capturing an image reproduced from the VTR 20 described later, 15 is a sound capture circuit for capturing the sound reproduced from the VTR 20 described later, 16 is the CPU 10, the sound capture circuit 15 and the like. Computer, 17 is a display for displaying the output of the display circuit 12, and 18 is
A video tape for recording video, audio, etc., 19 is a recording / reproducing circuit for recording video, audio, etc. on the video tape 19, and 20 is a V composed of the recording / reproducing circuit 19, etc.
TR.

The operation of the recording / reproducing apparatus of the first embodiment of the first aspect of the invention configured as described above will be described below. As shown in FIG. 2, the process is largely divided into a cassette recognition information registration process and a cassette discrimination process.

[0012] The cassette recognition information registration process is a process of collecting information such as video and audio contained in a video cassette for later recognition. Also, the cassette discrimination process is
This is a process of determining what the video tape currently set in the VTR is based on the information collected in the cassette recognition information registration process.

First, in the cassette recognition information registration process, after setting the video tape 18 in the VTR 20,
The CPU 10 uses the control circuit 13 and the recording / reproducing circuit 19 to send the video tape to the designated tape reading position determined for each cassette, and uses the recording / reproducing circuit 19 and the video capture circuit 14 in the storage device 11. A moving image is fetched for a designated time determined for each cassette and recorded in the storage device 11 together with information on the designated position for reading the tape and information on the designated time. Subsequently, in the cassette discriminating process, after setting the video tape 18 in the VTR 20, the CPU 10 uses the information of the designated position for reading one or more tapes stored in the storage device 11, and the control circuit 13 and the recording / reproducing circuit. 19 is used to send the video tape, and the storage device 11 uses the stored information of the designated position of reading the tape and the stored information of the designated time,
Using the recording / reproducing circuit 19 and the video capture circuit 14, a moving image is similarly stored in the storage device 11 for a designated time, and the CPU 10 previously matches the moving image captured in the cassette recognition information registration process, and the matching one is selected. The search is performed and the result is displayed on the display 17.
As described above, it is possible to recognize which video tape has been inserted. The matching can be easily realized by, for example, a comparison process of images having the same frame number from the beginning in the moving image read in the cassette recognition information registration process and the moving image read in the cassette identification process. Further, in the present embodiment, the VTR is used for description, but a randomly accessible storage medium such as a video disk or a hard disk may be used.

As described above, according to the present embodiment, it is possible to provide a device for determining what kind of image and sound are recorded on the video tape after inserting the video tape.

FIG. 3 is a block diagram showing a configuration diagram of the recording / reproducing apparatus of the second invention, and FIG. 4 is a flowchart showing a processing flow of the configuration diagram of the recording / reproducing apparatus of the second invention.

In FIG. 3, reference numeral 30 is a CPU for performing video matching processing and VTR control, 31 is a storage device for storing video signals and audio signals, 32 is a display circuit for displaying video, and 33 is a display circuit. Is a control signal generating circuit for controlling the VTR such as fast-forwarding to a designated position and reproduction from the designated position based on information such as a time code.
Reference numeral 4 is a video capture circuit for capturing the image reproduced from the VTR 300 described later, and 35 is a VTR 30 described later.
A sound capture circuit for capturing the sound reproduced from the sound reproduction circuit, a computer configured from the CPU 30 to the sound capture circuit 35, and the like, 37 a display for displaying the output of the display circuit 32, and 38 A recording / reproducing circuit for recording video, audio, etc. on the video tape 39; 39, a video tape for recording video, audio, etc .; 40, 38 to 39;
And the like.

The operation of the recording / reproducing apparatus according to the second embodiment of the present invention configured as described above will be described below. The process is largely divided into a cassette recognition information registration process and a cassette discrimination process.

The cassette recognition information registration process is a process of collecting information such as video and audio contained in the video cassette for later recognition. Also, the cassette discrimination process is
In the cassette recognition information registration process, it is a process of determining what the video tape currently set in the VTR is based on the collected information.

First, in the cassette recognition information registration process, after the video tape 38 is set in the VTR 40,
The CPU 30 sends the video tape to the designated tape reading position determined for each cassette using the control circuit 33 and the recording / reproducing circuit 39, and uses the recording / reproducing circuit 39 and the sound capture circuit 35 in the storage device 31, Audio is taken in for a designated time determined for each cassette and stored in the storage device 11 together with information on the designated position for reading the tape and information on the designated time. Subsequently, in the cassette discriminating process, after setting the video tape 38 in the VTR 40, the CPU 30 uses the information of the designated position for reading one or more tapes stored in the storage device 11,
A video tape is sent by using the control circuit 33 and the recording / reproducing circuit 39, and the information of the designated time stored together with the information of the designated position of the tape read stored in the storage device 11 is used. 39 and the sound capture circuit 35 are used to capture a voice for a specified time, the CPU 30 matches the voice captured in the cassette recognition information registration process in advance, finds a match, and displays the result on the display 17. To do.
The matching can be easily realized, for example, by comparing and winning the voices having the same frame number from the beginning in the voices read in the cassette recognition information registration process and the voices read in the cassette discrimination process. As described above, it is possible to recognize which video tape has been inserted. Although the VTR is used in the present embodiment, a randomly accessible storage medium such as a video disk or a hard disk may be used.

As described above, according to the present embodiment, it is possible to provide a device for determining what kind of image and sound are recorded on the video tape after the video tape is inserted.

FIG. 5 is a block diagram showing a configuration diagram of the recording / reproducing apparatus of the third invention, and FIG. 6 is a flowchart showing a processing flow of the configuration diagram of the recording / reproducing apparatus of the third invention.

In FIG. 5, reference numeral 50 is a CPU for performing video matching processing and VTR control, 51 is a storage device for storing video signals and audio signals, 52 is a display circuit for displaying video, and 53 is a display circuit. Is a control signal generation circuit for controlling the VTR such as fast-forwarding to a designated position and reproduction from the designated position based on information such as a time code.
Reference numeral 4 is a video capture circuit for capturing an image reproduced from the VTR 60 described later, 55 is a sound capture circuit for capturing a sound reproduced from the VTR 50 described later, 56 is a sound capture circuit 55 from the CPU 50. A computer constituted by, for example, 57 is a display for displaying the output of the display circuit 52, 58 is a color reduction processing circuit for binarizing a full color image or the like in 256 colors, binarization, and video tape 60 for recording video and audio. A recording / reproducing circuit for recording, 60 a video tape for recording video, audio, etc. 61 a 59 to 6
It is a VTR composed of 0s and the like.

The operation of the recording / reproducing apparatus of the third embodiment of the present invention configured as described above will be described below. The process is largely divided into a cassette recognition information registration process and a cassette discrimination process.

The cassette recognition information registration process is a process of collecting information such as video and audio contained in the video cassette for later recognition. Also, the cassette discrimination process is
In the cassette recognition information registration process, it is a process of determining what the video tape currently set in the VTR is based on the collected information.

First, in the cassette recognition information registration process, after setting the video tape 59 in the VTR 61,
The CPU 50 sends the video tape to the designated tape reading position determined for each cassette by using the control circuit 53 and the recording / reproducing circuit 60, and uses the recording / reproducing circuit 60 and the video capture circuit 55 in the storage device 51. A moving image is taken in for a designated time determined for each cassette, color reduction processing is performed in the color reduction processing circuit 58, and the tape is stored in the storage device 11 together with information on the designated position for reading the tape and information on the designated time. Next, in the cassette discrimination process, after setting the video tape 59 in the VTR 61, C
The PU 50 sends the video tape to the specified tape reading position by using the control circuit 53 and the recording / reproducing circuit 60, using the information of the specified tape reading position stored in the storage device 11, The information of the designated time stored together with the stored designated position information of the tape reading is stored in the storage device 51, and the recording / reproducing circuit 60 and the video capture circuit 55 are used to capture the image for the designated time and the color reduction processing circuit. At 58, color reduction processing is performed. The CPU 50 preliminarily matches the image that has been captured in the cassette recognition information registration process and is subjected to color reduction processing, searches for a match, and displays the result on the display 1.
7 is displayed. As described above, it is possible to recognize which video tape has been inserted. Note that the matching is easily realized by, for example, a comparison process of a color-reduced image having the same frame number from the beginning in the moving image read in the cassette recognition information registration process and the moving image read in the cassette identification process. In this embodiment, the VTR is used for description, but a randomly accessible storage medium such as a video disk or a hard disk may be used.

As described above, according to the present embodiment, it is possible to provide a device for determining what kind of image and sound are recorded on the video tape after the video tape is inserted.

FIG. 7 is a block diagram showing the configuration of the recording / reproducing apparatus of the fourth invention, and FIG. 8 is a flowchart showing the processing flow of the configuration of the recording / reproducing apparatus of the fourth invention.

In FIG. 7, reference numeral 70 is a CPU for performing video matching processing and VTR control, 71 is a storage device for storing video signals and audio signals, 72 is a display circuit for displaying video, and 73 is a display circuit. Is a control signal generation circuit for controlling the VTR such as fast-forwarding to a designated position and reproduction from the designated position, based on information such as a time code.
Reference numeral 4 is a video capture circuit for capturing a video image reproduced from the VTR 70 described later, 75 is a sound capture circuit for capturing a sound reproduced from the VTR 70 described later, and 76 is a sound capture circuit 75 from the CPU 70. And the like, 77 is a display for displaying the output of the display circuit 72, 78 is a recording / reproducing circuit for recording video, audio, etc. on the video tape 79, and 79 is for recording video, audio, etc. The video tape 80 is a VTR composed of 78 to 79 and the like.

The operation of the recording / reproducing apparatus of the fourth embodiment of the present invention having the above-described configuration will be described below. The process is largely divided into a cassette recognition information registration process and a cassette discrimination process.

The cassette recognition information registration process is a process of collecting information such as video and audio contained in the video cassette for later recognition. Also, the cassette discrimination process is
In the cassette recognition information registration process, it is a process of determining what the video tape currently set in the VTR is based on the collected information.

First, in the cassette recognition information registration process, after the video tape 78 is set in the VTR 80,
The CPU 70 sends the video tape to the designated tape reading position determined for each cassette by using the control circuit 73 and the recording / reproducing circuit 79, and uses the recording / reproducing circuit 79 and the video capturing circuit 74 in the storage device 71, similarly. A moving image is captured for a designated time determined for each cassette, a luminance signal is extracted from the moving image, and the storage device 11 stores the information on the designated position for reading the tape and the information on the designated time.
To record. Subsequently, in the cassette discriminating process, after the video tape 78 is set in the VTR 80, the CPU 70
Uses the one or more designated tape reading position information stored in the storage device 11, sends the video tape to the designated tape reading position using the control circuit 73 and the recording / reproducing circuit 79, and stores the video tape in the storage device 11. Using the information of the designated time stored together with the information of the designated position of the tape read, the recording / reproducing circuit 79 and the video capture circuit 74 are used to capture the moving image in the storage device 71 for the designated time, and the luminance signal And the luminance signal of the moving image is stored in the storage device 71. The CPU 70 performs matching with the luminance signal of the moving image captured in the cassette recognition information registration process in advance, searches for a match, and displays the result. To display. As described above, it is possible to recognize which video tape has been inserted. Note that the matching can be easily realized by, for example, a comparison process of images having the same frame number from the beginning in the moving image read in the cassette recognition information registration process and the moving image read in the cassette identification process. Further, in this embodiment, the VTR is used for description, but a randomly accessible storage medium such as a video disk or a hard disk may be used.

As described above, according to the present embodiment, it is possible to provide a device for determining what kind of video, audio, etc. are recorded on the video tape after inserting the video tape.

FIG. 9 is a block diagram showing a block diagram of a recording / reproducing apparatus of the fifth invention, and FIG. 10 is a flowchart showing a processing flow of the block diagram of the recording / reproducing apparatus of the fifth invention.

In FIG. 9, 90 is a CPU for performing video matching processing and VTR control, 91 is a storage device for storing video signals and audio signals, 92 is a display circuit for displaying video, and 93 is a display circuit. Is a control signal generation circuit for controlling the VTR such as fast-forwarding to a designated position and reproduction from the designated position based on information such as a time code.
Reference numeral 4 is a video capture circuit for capturing an image reproduced from the VTR 90 described later, 95 is a sound capture circuit for capturing a sound reproduced from the VTR 90 described later, 96 is a sound capture circuit 95 from the CPU 90. And the like, 97 is a display for displaying the output of the display circuit 92, 98 is a recording / reproducing circuit for recording video, audio, etc. on the video tape 99, and 99 is for recording video, audio, etc. Video tape, 100 is from 98 to 99
And the like.

The operation of the recording / reproducing apparatus of the fifth embodiment of the present invention configured as described above will be described below. The process is largely divided into a cassette recognition information registration process and a cassette discrimination process.

The cassette recognition information registration process is a process of collecting information such as video and audio contained in the video cassette for later recognition. Also, the cassette discrimination process is
In the cassette recognition information registration process, it is a process of determining what the video tape currently set in the VTR is based on the collected information.

First, in the cassette recognition information registration process, after the video tape 98 is set in the VTR 100, the CPU 90 uses the control circuit 93 and the recording / reproducing circuit 99 up to the designated tape reading position determined for each cassette. And sends a video tape to the storage device 91, using the recording / reproducing circuit 99 and the video capture circuit 94 to capture a moving image for a designated time similarly determined for each cassette,
A color difference signal is extracted from the moving image and recorded in the storage device 11 together with the information on the designated position for reading the tape and the information on the designated time. Subsequently, in the cassette discrimination process, after the video tape 98 is set in the VTR 80, the CPU 9
0 is a video tape that is sent to the storage device 91 using the control circuit 93 and the recording / reproducing circuit 99 up to the specified tape reading position by using one or more pieces of tape reading designation information stored in the storage device 11. By using the recording / reproducing circuit 99 and the video capture circuit 94, a moving image is captured for a designated time, a color difference signal is extracted from the moving image, and the color difference signal of the moving image is stored in the storage device 91. The CPU 90 performs matching with the color difference signal of the captured moving image, searches for a match, and displays the result on the display 17. As described above, it is possible to recognize which video tape has been inserted. The matching can be easily realized by, for example, a comparison process of images having the same frame number from the beginning in the moving image read in the cassette recognition information registration process and the moving image read in the cassette identification process. Further, in this embodiment, the VTR is used for description, but a randomly accessible storage medium such as a video disk or a hard disk may be used.

As described above, according to the present embodiment, it is possible to provide a device for determining what kind of image, sound and the like are recorded on the video tape after inserting the video tape.

[0039]

As described above, in the recording / reproducing apparatus of the present invention, what kind of image is recorded on the video tape is recognized after inserting the video tape into the VTR, and is related to the video tape. If the table-of-contents information is created in advance, the table-of-contents information of the tape is immediately displayed when the video tape is inserted, which has a great practical effect.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a recording / reproducing apparatus according to an embodiment of the first aspect of the present invention.

FIG. 2 is a flowchart showing an operation of the recording / reproducing apparatus in the embodiment of the first aspect of the present invention.

FIG. 3 is a block diagram showing the configuration of a recording / reproducing apparatus according to an embodiment of the second aspect of the present invention.

FIG. 4 is a flowchart showing an operation of the recording / reproducing apparatus in the embodiment of the second aspect of the present invention.

FIG. 5 is a block diagram showing a configuration of a recording / reproducing apparatus according to an embodiment of the third aspect of the present invention.

FIG. 6 is a flowchart showing an operation of the recording / reproducing apparatus in the embodiment of the third aspect of the present invention.

FIG. 7 is a block diagram showing a configuration of a recording / reproducing apparatus according to an embodiment of the fourth aspect of the present invention.

FIG. 8 is a flowchart showing an operation of the recording / reproducing apparatus in the embodiment of the fourth aspect of the present invention.

FIG. 9 is a block diagram showing a configuration of a recording / reproducing apparatus according to an embodiment of the fifth aspect of the present invention.

FIG. 10 is a flowchart showing an operation of the recording / reproducing apparatus in the embodiment of the fifth aspect of the present invention.

FIG. 11 is a diagram of a conventional recording / reproducing apparatus.

[Explanation of symbols]

 10 ... CPU 11 ... Storage device 12 ... Display circuit 13 ... Control signal generation circuit 14 ... Video capture circuit 15 ... Sound capture circuit 16 ... Computer 17 ... Display 18・ ・ ・ Video tape 19 ・ ・ ・ Recording / playback circuit 20 ・ ・ ・ VTR

Claims (5)

[Claims] 1. A storage unit that reproduces information recorded in a storage medium from a predetermined reproduction start position and holds it as collation information up to a predetermined reproduction end position, and a predetermined reproduction of the information stored in the storage medium. Which storage medium is to be played back from the start position and held as search information up to a predetermined playback end position by a means for holding the collation information held in the storage means and the search information. A recording / reproducing apparatus comprising: a recognition unit for recognizing the search information; and a unit for holding the search information in addition to the matching information when the search information cannot be matched with the matching information. 2. The information is at least one of video and audio.
The recording / reproducing apparatus according to claim 1, wherein 3. The recording / reproducing apparatus according to claim 1, wherein the information is information which has been subjected to at least one process of color reduction or compression. 4. A recording / reproducing apparatus in which the information is video brightness information. 5. The recording / reproducing apparatus according to claim 1, wherein the information is video color difference information.