JPH0462636B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for confirming television commercial broadcasts.

(Prior Art and Problems to be Solved by the Invention) Since a large number of people are involved in the operation of a television station, the content is not necessarily broadcast as planned. In particular, for TV commercials, etc., the broadcast time is scheduled in advance, but the TV commercial may not actually be broadcast at that time, and in such cases, sponsors may This becomes a serious problem because the intended purpose is not achieved. For this reason, there is a task of checking whether a predetermined television commercial has been broadcast at a predetermined time for each broadcast area and predetermined channel.

By the way, the current situation is that this kind of work has traditionally been carried out exclusively by human eyes and ears, which requires a lot of manpower, and because it is a human task, confirmation errors occur, and the reliability is not very high. The drawback was that there was no.

In addition, as a method for automatic confirmation, a method has been attempted in which a signal is inserted into a TV commercial in advance, and the signal is detected and identified upon reception (for example, by inserting the signal into the blanking of the video). However, the signals that can be inserted are restricted due to regulations under the Radio Law.

Preliminary work is difficult.

It lacks reliability because it does not directly check video and audio.

For these reasons, it has not been put into practical use.

(Means for Solving the Problems) The present invention has been proposed in view of the above points, and its purpose is to automatically
To provide a method for confirming television commercial broadcasts which can confirm the broadcast of commercials and obtain highly reliable results.

In order to achieve the above object, the present invention
Equipped with TV and video tape recorder VTR,
A switch SW connected to them makes it possible to select the signals from the TV TV and the video tape recorder VTR, and sends a predetermined TV commercial to the video tape recorder VTR.
is recorded and sent to the data processing unit via the switch SW to record the TV commercial.
CMs are patterned in advance and stored as data, and then the switch SW is connected to the TV.
and converts the currently received TV commercial into a pattern by the data processing unit, and compares it with the stored data to determine the content of the current TV commercial; The gist of this paper is a method for checking television commercial broadcasts, which is characterized by transmitting and collecting data from each station via a telephone line to a host computer.

(Examples) Hereinafter, the present invention will be described in detail with reference to the drawings showing examples.

FIG. 1 is a block diagram of an example of a device used to implement the television commercial broadcast confirmation method of the present invention. TV by SW
Signal from TV and video tape recorder
A signal from the VTR is selected and applied to the data processing unit 100.
output through the interface 200.
The data is supplied to the computer 300.
Note that the data processing unit 100 has a function of patterning input audio signals and video signals.

On the other hand, if the above system is station A, stations B to N having a similar configuration located in each broadcast area
Data is collected from the sub-computer 300 of the station to the host computer 400 via a line L such as a telephone line, the confirmation results are checked and organized, and a report 500 etc. is created. Note that a master, which serves as a reference for comparison, can be created for each station (TV TV, video tape recorder VTR, antenna ANT, data processing unit 100, interface 200, subcomputer 300) as described later. It is also possible to provide master creation data to the host computer 400 and control and manage master creation and updating all at once.

Therefore, creation and updating of the master for each station is performed as follows.

Record the desired television commercial on a video tape recorder (VTR).

Switch SW as video tape recorder
Switch to the VTR side, data processing unit 10
0 is given audio and video signals of a TV commercial, and patterned data is created.

The output signal of the data processing unit 100 is read by the sub-computer 300 via the interface 200 and is stored in the internal memory. Note that the master sorts the audio signals by the start data value in order to efficiently perform the comparison.

Further, the confirmation operation is performed as follows.

The switch SW is switched to the TV side, and the data processing unit 100 converts the broadcast received at the present time into a pattern.

The output signal of the data processing unit 100 is read and monitored by the sub-computer 300 via the interface 200, and when a silent period continues, for example, for one second or more, comparison with the stored master is started.

In the comparison, first, the head data of the audio signal is compared with the approximate value master.

In this state, the comparison is made for 2 seconds, and if there is a match, the comparison is continued, and if there is no match, the comparison is performed in the same way as the next master.

If the audio signal and video signal match for the entire number of seconds (the number of seconds of the master), the result (registration code of that master, time of broadcast, etc.) is output, and if they do not match, the corresponding master is Outputs the result that it is missing.

Next, FIG. 2 shows a block diagram embodying the data processing unit 100 in FIG. 1. In the figure, the audio signal S _A is the audio amplification circuit 1
01 is applied to one input terminal of the comparator circuit 104 through the low-pass filter 102 sequentially, and the reference voltage generating circuit 10 is supplied to the other input terminal of the comparator circuit 104.
A reference voltage is applied from the comparator circuit 104, and the output signal of the comparison circuit 104 is applied to a counter 105 for counting. On the other hand, the video signal S _V is applied to one input terminal of the comparison circuit 113 via the sync separation circuit 107 and the low-pass filter 110.
A reference voltage is applied from the reference voltage generation circuit 112 to the other input terminal of the comparison circuit 113, and the comparison circuit 1
The output signal of 13 is applied to a counter 114 and counted. Note that the reference voltage generation circuit 112 obtains a signal from the synchronization separation circuit 107 via the peak hold circuit 111, which serves as a reference for creating a reference voltage. Also,
A vertical synchronization signal V and a horizontal synchronization signal H are taken out from the synchronization separation circuit 107 by a synchronization circuit 108,
From these, the gate circuit 106 controls the counter 10.
A reset signal R ₁ and a count gate signal G ₁ for the counter 114 are generated, and a reset signal R ₂ and a count gate signal G ₂ for the counter 114 are similarly generated by the gate circuit 109.

Figure 3 shows the operation of patterning the audio signal in Figure 2, where V is the vertical synchronization signal,
S _A ′ is the audio signal after unnecessary high-pitched unstable components are removed by the low-pass filter 102 from the input audio signal S _A , R ₁ is the reset signal given to the counter 105 , and G ₁ is given to the counter 105 This is a count gate signal. It is assumed here that the counter 105 operates while the count gate signal _G1 is at a high level.

Thus, a count gate signal _G1 having substantially the same waveform as the vertical synchronizing signal V is applied to the counter 105, and the counter 105 receives the audio signal S _A ' from the reference voltage generating circuit during a period T1 corresponding to approximately _one field. The number of times the level of the reference voltage given from 103 is crossed downward is counted. And period
At time t ₁ immediately after the end of T ₁ , the data is read by the subsequent subcomputer 300 and the next period
Immediately before the start of _T1 , the counter 105 is reset by the reset signal _R1 , and the same operation continues thereafter. Therefore, 60 pieces of data are read per second.

Next _, FIG. 4 shows the operation of patterning the video signal in FIG _. The video signal after removing unstable high frequency components and color components at step 110, _R2 is a reset signal given to counter 114, and _G2 is a count gate signal given to counter 114. It is assumed that the counter 114 operates while the count gate signal _G2 is at a high level, as described above.

Therefore, count gate signals with widths T _2a and T _2b are placed at two locations at a predetermined interval within one field.
Generate G ₂ (for example, the 64th ~
79th and 192nd to 207th), respectively at the top of the screen,
The sampling period at the bottom of the screen, and the period
The video signal S _V ' is applied to T _2a and T _2b in the reference voltage generation circuit 11.
2 (the count value is the sum of the count value in period T _2a at the top of the screen and the count value in period T _2b at the bottom of the screen). Note that the peak hold circuit 111 is used as the reference voltage.
The peak value of the video signal S _V held at 1/2 is used. Then, at time _t2 immediately after the end of period _T2b , the data is read by the subsequent sub-computer 300, and just before the start of the next field, the counter 114 is reset by the reset signal _R2.
is reset and continues the same operation thereafter. Therefore, in this case as well, 60 pieces of data will be read per second.

Note that although the above embodiment has been explained only for television commercials, it can also be applied to broadcast confirmation of radio commercials if only audio signals are targeted.

(Effects of the Invention) As described above, according to the present invention, a plurality of TV commercials are patterned in advance and stored as data, and the TV commercials received at the present time are patterned by a data processing unit and stored. Since the content of the TV commercial is determined by comparing it with the data provided, it is possible to automatically check the broadcast of the TV commercial and to obtain highly reliable results.
In addition to checking, it is also possible to detect whether or not the broadcast was normal.

[Brief explanation of the drawing]

FIG. 1 is a block configuration diagram of an example of a device used to implement the television commercial broadcast confirmation method of the present invention, FIG. 2 is an internal configuration diagram of the data processing unit 100 in FIG. 1, and FIGS. 3 and 4 are It is an explanatory diagram of the operation. TV...TV, VTR...video tape/
Recorder, ANT...Antenna, 100...Data processing unit, 200...Interface, 30
0...Sub computer, 400...Host
Computer, 500...Report, L...Line.

Claims (1)

[Claims] 1 Television TV and video tape recorder
equipped with a VTR and a switch connected to them
By means of SW, the said television TV and video tape
The signal from the recorder VTR is made selectable, a predetermined television commercial is recorded on the video tape recorder VTR, and the signal is sent to the data processing unit via the switch SW to pattern the television commercial in advance. and then store it as data, and then use the switch.
Switch the SW to the TV, and convert the currently received TV commercial into a pattern by the data processing unit, and compare it with the stored data to determine the content of the TV commercial at the current time, and The data of each station obtained in this way is hosted and transmitted via telephone line.
A television commercial broadcast confirmation method characterized by transmitting and collecting data to a computer.