JPS63131389A - Picture signal output device - Google Patents

Abstract

PURPOSE:To retrieve a desired scene without registration and recording of an index number of selecting an optional location data in an optional order by manual operation and retrieving and outputting a pattern group corresponding to the location data in the order of the selected position data. CONSTITUTION:A desired scene and its order are selected by a split display on the screen of an external display device 31 and the order of edit is programmed and commanded by an operation section 32. When the input of program is finished and the automatic edition is commanded by the operation section 32, a system controller 16 compares the present counter information counted by a counter 19 with the counter information of a video signal VIDEO-C designated at first by the program and when they are coincident, the system controller 16 gives the command of reproduction to the servo amplifier 17 and supplies the control signal of recording operation start to an external recording VTR.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention provides an image system that sequentially selects and outputs the highest image signal from among the 13 images recorded on a recording medium. 1511 to the signal output device.

(Prior Art) Now 11, for example, in the production of programs at broadcasting stations, etc., '!
! Due to the various conditions of production, each scene was recorded in multiple locations on multiple tapes. Therefore, the processing work called editing has become essential. Furthermore, efficiency and streamlining are also required.

The following method is usually used for editing.

An index number (for example, a tape counter value) is pre-obtained at the beginning of each scene, so if? When the video is live, desired scenes are searched one after another at high speed based on index numbers, and 64 episodes are recorded on other VTRs each time.

(Problem to be solved by the invention) However, in the conventional method, when there are many desired or required scenes, it is necessary to manually register and record the index numbers of the scenes and edit them one by one. There was a problem that there was. Another problem is that the content of a desired scene cannot be determined from the index number. Furthermore, there is a problem in that it is necessary to perform operations on the recording device side each time a desired scene is searched.

This invention was made by focusing on problem F, and it is not necessary to register or record the index number of the desired scene, and it is possible to grasp the contents of the desired scene. An object of the present invention is to provide an image No. 15 output device capable of sequentially outputting only image signals of 15 in a desired order.

[Means for solving problems]

The image signal output device of the present invention is a device that outputs desired image signals among the image signals recorded on a recording medium in a desired order, and the image signal output device outputs the desired image signals from among the image signals recorded on a recording medium in a desired order. reduced image data forming means for forming reduced image data for each representative surface; position data forming means for forming position data of the recording medium No. 111 corresponding to the reduced image data; 1st stage which outputs position data together, and 1st stage and 11W which select any position data and 0 position data of the position data formed by the position data formation-r stage by manual operation in any order. Selection [Order of position data selected by stage 1 I
? ; search output means for searching and outputting a screen image corresponding to the position data.

[Effect]

By adopting the above configuration, a desired scene can be detected without registering or recording an index number, and furthermore, images of the desired scene can be output in a desired order.

(Example) Hereinafter, the present invention will be explained using one embodiment of the present invention.

FIG. 1 is a block diagram of a VTR as an embodiment of the present invention. FIG. 2 is a diagram showing the state of image information A-1 before editing recorded on the magnetic tape 21, and CUE-A-1 in the figure indicates the beginning of each video signal VIDEO-A-1. It is an index signal that informs the 417 position,
CUE-A' to B are each video signal VIDEO-AA-1
This is an index signal that indicates the end position of . or,
The symbol ANI in the figure is each video signal +v IDEO-A to I
It shows the scene recorded at the beginning of .

FIG. 3 is a diagram in which a still image is displayed on each of the nine divided screens.

In FIG. 1, a video signal reproduced from a magnetic tape 21, which is a recording medium, by a reproduction head (not shown) is restored by a reproduction processing circuit 1 into a composite color television signal such as the NTSC system, and the restored +1f video signal is reproduced by a reproduction processing circuit 1. The television signal is supplied to a changeover switch 15, which will be described later, and also to a low-pass filter 2. 2 is a low pass filter (LPF) for removing unnecessary signals included in the 111f reproduced television signal, 3 is 1) 11 LP
Analog-to-digital conversion (A/D) that converts the analog playback television signal that has passed through F2 into a digital television signal; 4 is a water synchronization signal from the television signal t); No., Color Burst Toy 3
A synchronization separation circuit 5 separates the three types of signals of the 1i
Clock f: S generator which generates a sampling clock for the A/D 3 and a clock for thinning processing described later; 6 is a frequency divider which divides the clock from the clock A/D 5; , 7 transmits the digital television signal output from the A/D 3 to the CRT of the external display device 33.
When displayed on a screen, in order to reduce the screen area to 179, the divided clock from the frequency divider 6
Thin out 1 line sampling point every 3 pixels in the horizontal direction, and 1 line sampling point every 3 pixels in the 6 vertical directions.
A thinning processing circuit, 8 is a memory circuit for storing the output from the thinning processing circuit 7, and 9 receives an instruction No. 19 from the system controller 16, which will be described later, and divides the -F reading of the memory circuit 8 into the above frequency. It is an address control circuit that performs readout based on the clock of the reference clock generating circuit 10, which will be described later, and is reset in synchronization with the vertical synchronization signal separated in the synchronization separation circuit 4. Ru. 10 is a base Ii++ that generates a standard clock, a clock generation circuit, and 11 is character data such as an index symbol, characters representing a tape counter value, mathematics, etc., corresponding to counter information read and output from a counter memory circuit 20, which will be described later. The character generator 1'2 that generates 11 characters is the previgilon 4a 43- after the thinning process output from the memory circuit 8.
A superimpose circuit that multiplexes character data output from the NRF character generator 11, and a digital-to-analog converter (13 is a +IRF super-purpose circuit 127) that converts the digital television No. 15 into an analog signal. D/A), 14 is a low pass filter (LPF) that removes unnecessary component signals generated during D/A conversion, and 15 is an external display device that switches between the output of the LPF 14 and the output of the reproduction processing circuit 1. 33 or an external VTR 31 for recording.

Reference numeral 16 indicates the address control circuit 9, a servo amplifier 17, a counter memory circuit 20, and an index signal generation circuit, which will be described later, based on the contents of the finger i1i from an ATF lock circuit 23, an envelope detection circuit 28, and an operation unit 32, which will be described later. 29 and an external VTR for recording.
It sends control signals for recording to the external display device 31, divides the display screen displayed on the external display device 33 into 9 parts, and allocates the individual reduced screen TV screens to 9 divided screens. A system controller 17 is a servo circuit that receives commands from the system controller 111I and controls each motor in the motor thread 18 to be in modes such as instep feeding, reverse rotation, and II backing, etc.; 18 is a capacitor; A motor system including a stun motor and a reel motor, whose rotational operation is controlled by the servo circuit 17 and also sends an FQ (,4%3-) for speed control. 19 is the rotation period of the reel (not shown). A counter 20 measures the running speed of the magnetic tape and outputs the measured counter information.A counter 20 manually inputs the counter information measured by the counter 19 and detects an index (1'1) output from the system controller 16. This is a counter memory circuit that stores counter information at the time of manual input.

21 is a magnetic tape, 22 is the above-mentioned 11 [Detecting the tracking pilot signal of 4 persimmons from the cow video signal 4
A frequency pilot signal detection circuit 23 monitors the tracking pilot signal detected by the four-frequency detection circuit 22 to detect a stable state of tracking of the playback head (not shown), and when tracking becomes stable, outputs a lock detection signal. This is an ATF lock circuit that generates the ATF lock circuit in the system controller 16.

24 is an index signal (CUE-A to I are f, CU
E-A'~Summer' is a cupette for reproducing f2) record jj, 25 is a switch that is turned on when recording index number 18, and 26 is 1) index number 15 (fl obtained by O record cue head 24).

27 is a switch that switches between recording (R) and playback (P) of index No. 15, and 28 detects the amplified envelope of index No. 15 and sets it to the reference level. An envelope detection circuit 29 generates a signal when the value is less than or equal to 18 (f+).

Index signal generation circuit (O5C) that generates 115
, 30 is an amplifier (AMP) for amplifying the output of the index signal generation circuit 29 in 11η.

Reference numeral 31 designates an operation section of the external recording VTR 132 including an operation keyboard, a keyboard, etc., and 33 an external display device.

In the following configuration, the operation of this embodiment will be explained using FIGS. 2 and 3.

When automatically editing a magnetic tape 21 on which nine types of image information from A to I are recorded as shown in FIG.
First, when the unillustrated operation key "Search" on the operation unit 32 is pressed and a "Search" command is inputted to the system controller 16, the system controller 16 sends a "Search" command signal to the servo amplifier 17. is output, the servo amplifier 17 drives the motor system 18, and a search operation is performed. At this time, the counter 19 has been reset in advance and will start from rooOJ.

Also, during the search operation described in 1-, the magnetic tape 21 is...
The cue head 24 traces the cue track 21t provided in the section, and the +IG raw signal outputted by the cue head 24 is amplified by the AMP 26.
The signal is manually inputted to the envelope detection circuit 28 via 12 switches 27 connected to the P side in the figure. Then, the queue head 24 sends the index signal CUE-A to 1[#
When +I)'l:, (, an envelope variation occurs in the number i, the encoder 7' detection circuit 28 detects this envelope variation, generates an index detection signal, and outputs an index detection signal to the system. Supplies the controller 16.

1) The system controller 16 receives the index detection signal from the envelope detection circuit 28.
``Send a ``playback'' command signal to the servo amplifier! Then, the motor system 18 is switched to regeneration operation.

Then, a reproducing unit (not shown) reproduces the video signal V I DEO-A recorded on the video track 21v on the magnetic tape by a reproducing head (not shown), and reproduces the video signal V I DEO-A recorded on the video track 21v on the magnetic tape.
The tracking pilot signal superimposed on No. ++ V I DEO-A is detected by the 4-frequency detection circuit 22, and
The TF lock circuit 23 detects whether tracking is stable and outputs the ATF lock signal, and at the same time +I
Processing of the reproduced television signal restored by the G raw processing circuit is also started. In other words, the television signal is LP
The signal passes through F2 and is converted into a digital television signal by A/D conversion circuit 3. Then, in the thinning processing circuit 7, the television signal is thinned out to 173 signals in both the water and g directions, and converted into reduced television signals 1, -1, -1:
j, stored in memory 8.

Next, TV No. 95215 read out from memory 8 is a super imposed circuit! 2, character generation''
The index symbol and tape counter value signals generated by 7'S l 1 are multiplexed and restored to an analog television signal by the D/A 13. The still image is then supplied to the changeover switch 15 connected to the A side via the LPF 14, and the reduced still image is displayed on the external display device 33. At this time, the system controller 16 inputs the data corresponding to the order code A to "A" of the index into the memory 20, and then records the 1-minute track of the l-feel that is played back while the tape is running stably. The counter value when tracing is also a counter! 9 to the memory 20.

, as described in F, the reduced television signal of the video signal VIDEO-A is recorded in the memory 8 and also displayed on the external display device 3.
3, when the reduced still image is reproduced, the system controller 16 switches to search and performs the search operation again, picking up the next index signals CUE-B, CUE-C, . . . and repeating the same operation.

By repeating the above-described operations, nine types of reduced still images are displayed on the external display device 33 as shown in FIG. Each image has an index symbol and a tape counter value multiplexed thereon. (Example: A-001). Further, in this embodiment, even if 108 pieces of information or more are searched for on a nine-divided screen, only the first nine divisions are displayed.

In the explanation so far, the index fn 'fCU
E-A~1. CLIE-A'~! This is an explanation of the operation at the time of reproduction when using a magnetic tape on which ' is recorded.

Next, a case where no index signal is recorded on the magnetic tape will be explained.

Rare on magnetic tape? Detect the video signal VIDEO-A~Summer by fast forwarding, rewinding, playing, etc., play the annotated magnetic tape, and move the tape to the cue track of the part where you want to start each video signal without running the tape. CUE-A~
By recording the index signal f, which becomes I, and the index signal f2, which becomes CUE-A' to CUE-I', to the cue track 21t at the end, you can locate the beginning of the rare c74 part of the hot tape in the same way as described above. Ru.

When recording the index signal, the operation unit 32 transmits an instruction to record the re-index signal to the system controller 16, and 1) the system controller 16 transmits a command signal to the index signal generation circuit 29 to operate it. The surface index number 3 generation circuit 29 executes the command number 111 from the +i7f system controller 16h1 and others.
The index i, No. 1 f, , f2 are generated, and AMP
The index signals f, , f2 are output to 30. The switch 25 is turned ON in response to an instruction from the notation system controller 16 to record an index signal.
The signal amplified by the MP 30 passes through the switch 25 and is applied to the cue head 24.

Next, the automatic editing operation will be explained based on FIGS. 4 and 5.

41' is a timing chart of the operation of the image No. 43 output device of the present invention and the external recording VTR 31;
1.I is a diagram showing the state after automatic editing.

First, it is shown in Figure 3. Select the desired scene and its order from the split display on screen 1 of the external display device 31, program the editing order using the operation unit 32, and issue instructions (for example, C→B→H). The program order described in 11.eta. is stored in the memory 20, and operations are performed based on this program order.

When the manual operation of the program is completed and an automatic editing operation is instructed by the operation unit 32, the system controller 16 inputs the current counter information counted by the counter 19 and the video signal VIDEO-C initially specified by the +if statement program. Compare with the 11th report of Carantana 1 no, +i
; Give a search operation instruction to the servo amplifier 17 until it matches the two carantana 1+i signals in 1.
Operate 18. At the same time, the recording key control (No. 3) is supplied to the external recording VTR from the system controller 16, and the external recording VTR enters a recording standby state (Bose). Also, during this automatic editing, the system controller t6 switches the switch! 5 is connected to the B side.

Then, when the counter information of the video signal V I DEO-C stored in the counter memory circuit 20 and the counter information of the counter 19 match, the system controller 16 causes the servo amplifier 17 to output In addition to giving operation instructions, it also supplies a control signal to start the recording operation to the external recording VTR.

Then, at the same time as the video No. 115 VIDEO-C starts playing, the external recording VTR starts playing the playback video.
Recording of television programs based on vtoEo-c begins. Then, when the cue head 24 generates an index signal CUE-C' +I4 which is recorded at the end, the recording system controller 16 switches the operation to "search" and at the same time controls the operation of the external V/TR for recording. Switch to "pause" again and start the next video signal VIDEO-8
This state continues until the count value reaches .

Then, at the end of the program, the video signal VIDEO
-H's index number CUE-H' is played back, the system controller 16 issues a control signal instructing that the automatic edition %iff raw operation has been fully operated. Then, the signal is supplied to the external recording VTR 31, and the recording operation of the external recording VTR 31 is terminated.

FIG. 5 shows each video image recorded on the magnetic tape after being automatically edited and recorded using the external recording VTR 31.
It is a diagram showing the states of numbers C, B, and H.

As described above, the embodiments of the present invention have been explained using tape editing in a VTR as an example, but the invention is not limited to the one-foot side, and other recording or playback devices (for example, video It can also be used for editing in disk devices, etc.).

(Effects) As explained below using Example I-1, according to the present invention, a desired scene can be easily searched for and downstream without registering an index number or performing steps 2 and 3. It also becomes easier to understand the content.

Furthermore, it is possible to provide an image signal output device that can sequentially output only images No. 411 of a desired scene in a desired order.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of a VTR as an embodiment of the present invention, FIG. 2 is a diagram showing the state of image information recorded on the magnetic tape before the 144th recording, and FIG. 3 is a diagram showing the state of image information recorded on the magnetic tape before 144 episodes. FIG. 4 is a timing chart showing the operation timing of the image signal output device and the external VTR for recording, and FIG. FIG. 3 is a diagram showing the state of image information. 7... Thinning processing circuit 12--Superimpose circuit 16--System controller 24--Cue head 29--Index signal generation circuit 31--External recording VTR 32--Operation section

Claims (1)

[Claims] A device that outputs desired image signals in a desired order among the image signals recorded on a recording medium, the apparatus outputs reduced image data for each representative screen from the image signal corresponding to the representative screen of each screen group. a reduced image data forming means for forming a reduced image data, a position data forming means for forming position data on the recording medium corresponding to the reduced image data, and a means for outputting both the formed reduced image data and position data; A selection means for selecting arbitrary position data in any order by manual operation from among the position data formed by the position data forming means, and corresponding to the position data in the order of the position data selected by the selection means. An image signal output device characterized by comprising a search output means for searching and outputting a group of screens.