JP2002027347A - Commercial message extractor, and broadcasting equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a CM extractor which can make a CM inserted into a program or between program into a CM suited to viewers. SOLUTION: The program of HD broadcasting and the plural CMs and PSI of SD broadcasting are multiplexed in a transport stream transmitted from a broadcasting station, and an HD broadcast receiving interface 102 receives the transport stream and separates the contents into programs, CMs, and PSI. A reception controller 103 stores PSI in a PSI storage 104, and notifies a CM selector 105 of plural CMs. The CM selector 105 reads a key word to identify the notified CM, and when it accords with the key word stored in a key word storage 101, it directs the reception controller 103 to select that CM. The reception controller 130 outputs the selected CM to a reproducer 106 according to the directions.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to an HD (High)
The present invention relates to a CM extraction device and a broadcasting device that select and output one commercial message from a plurality of commercial messages (hereinafter, referred to as “CM”) inserted into a program of a Definition (high definition) broadcast.

[0002]

2. Description of the Related Art Conventionally, in commercial TV broadcasting, programs and commercials are integrated from each broadcasting station, and a viewer cannot select a commercial to be inserted into a program.
In order to solve this problem, the technique described in Japanese Patent Application Laid-Open No. Hei 10-79711 discloses a technique of selecting and reproducing one CM from a plurality of CMs so as to provide a CM more suitable for each viewer. are doing.

[0003]

However, in the technology described in the above publication, a plurality of CMs must be stored in advance on the receiver side, and are stored in accordance with a reference signal inserted into a program. Since one CM is extracted from a plurality of CMs and inserted into the program, the configuration of the receiver becomes complicated, for example, it is necessary to switch between the program and the CM by a switch method.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a CM extracting apparatus and a broadcasting apparatus that select and reproduce CMs in real time without storing CMs.

[0005]

Means for Solving the Problems To solve the above problems, a receiving means for receiving a broadcast of a high-definition program and a plurality of standard-definition commercial messages which are inserted between the programs and provided with identifiers, A separating unit that separates a program and a commercial message from a broadcast received by the receiving unit, a storing unit that stores identification information for selecting a commercial message, and a commercial message separated by the separating unit. Selecting means for comparing the attached identifier with the identification information stored in the storage means and selecting one suitable commercial message; and output means for outputting the selected commercial message between the programs. And

Further, in a broadcasting apparatus for broadcasting a high-quality program, a plurality of standard-quality commercial messages each having an identifier added between the programs are inserted and transmitted as a transport stream together with the programs. .

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a CM extracting device according to the present invention will be described below with reference to the drawings. (Embodiment) FIG. 1 is a configuration diagram of an embodiment of a CM extracting apparatus according to the present invention.

[0008] The CM extraction device includes a keyword storage unit 101
And an HD broadcast receiving interface (I / F) unit 102
, A reception control unit 103, a PSI (program specification information) storage unit 104, and a CM selection unit 105. The reception control unit 103 is connected to an external reproduction unit 106.
The keyword storage unit 101 is composed of a RAM or the like, and stores a keyword input in advance by a viewer for CM selection.

FIG. 2 is a keyword table showing an example of keywords stored in the keyword storage unit 101. The keyword table 201 includes a genre 202 which is a tag for classifying a keyword, and a plurality of keywords 203 indicating details of the tag. The keyword 203 is used to select one CM from a plurality of CMs inserted in the program.

For example, if the CM genre 202 is "region"
, The keywords 203 are "Kanto", "Kansai", and "Other", and correspond to numbers "11", "12", and "13", respectively. When the viewer is watching this program in Osaka and inputs “12” with a remote controller or the like, the keyword storage unit 101
Is stored as “12”. As a result, when three CMs whose genres are classified by region are inserted into a program and are being broadcast, a CM having a keyword of "Kansai" corresponding to the number "12" is selected.

[0011] C in which the genre 202 is classified by "sex"
When M is inserted in a program and broadcasted, if “21” is stored in the keyword storage, CM for men
Is selected. Similarly, if the viewer stores “32” in the keyword storage unit 101, a commercial for adults is selected when a CM in which the genre 202 is classified by “age” is being broadcast.

The HD broadcast receiving interface unit 102
Antenna, receiver and TS (Transport Stream)
And a decoder section, and H
It receives the program of D broadcast and the CM and PSI of SD broadcast, decodes the transport stream, separates the stream into the program, CM and PSI, and outputs them to the reception control unit 103.

FIG. 3 shows an HD broadcast receiving interface 1
FIG. 2 is a diagram schematically illustrating a transport stream (hereinafter, referred to as “TS”) transmitted from a broadcast station received at 02. TS301 is an MPEG2 System and DVB (Digital Video Broadcaster).
According to the standard, the program TS 302, CMs 303, 304, and 305, a PCR (clock information) 306 for reproducing the program or CM at broadcast time,
Each table 307 of the SI is multiplexed.

Each table 307 of PSI contains NIT
(Network Information Tabl
e) 308, PAT (Program Associate)
Tion Table) 309, PMT (Program)
m Map Table) 310, SDT (Servi
ce Description Table 311 and EIT (Event Information Ta)
ble) 312 are included.

The program TS 302 includes an audio TS 313 and a video TS 314, and is transmitted as an HD broadcast stream type. The fact that the program is an HD broadcast indicates to the PMT 310 that the PI
HD corresponding to D (packet identifier) “0 × 0084”
An identifier for identifying a broadcast stream type is described.

The CM TS 303 is composed of an audio TS 315 and a video TS 316, and is SD (Standard).
(Definition) broadcast. The fact that the CM is an SD broadcast means that the PM
PID for identifying TS316 of CM video in T310
An identifier for identifying the stream type of the SD broadcast is described corresponding to “0 × 0083”.

The CM TSs 304 and 305 are also the CM TS3s.
03 and audio TS3, 318 and video TS3
19 and 320, respectively.
303, 304, and 305 are transmitted with the same PID attached simultaneously in the same time zone. Note that the program TS3
02 and the CMs 303, 304, and 305 are not reproduced at the same time, and therefore are not multiplexed at the same time.

Also, the CM TSs 303, 304, 305
Is a stream type of an SD broadcast, and therefore has a smaller data amount than a program of a stream type of an HD broadcast. Therefore, even if three CMs are transmitted at the same time, they can be transmitted without increasing the transmission frequency band. . FIG.
It is a figure showing the data structure of MES TS303,304,305 PES packet. In the TS 301 shown in FIG. 3, the PES packet is transmitted as a fixed-length TS packet, but is decoded into a PES packet by the TS decoder unit of the HD broadcast receiving interface unit 102.

The PES packet 401 has a header 402
And the payload section 403.
Has video or audio data recorded therein. In the conditional coding 404 of the header section 402, a keyword for identifying each of the TSs 303, 304, and 305 of the CM is described in the other 405 128-bit PES private data area 406. In addition, this keyword is, for example, when the CM is classified by the genre “region”, for example, the TS 303 of the CM.
, "11" (Kanto) is described as an identification number, "12" (Kansai) is described in TS304, and "13" (others) is described in TS305. This is the audio TS31
5, the same keyword is described in the TS 316 of the video.

[0020] The reception control unit 103 controls the PI of the PES packet input from the HD broadcast reception interface unit 102.
D refers to the PMT 310 stored in the PSI storage unit 104 to determine whether or not the identifier corresponding to the HD broadcast stream type is described. PID described
If so, it is determined that the packet is a PES packet (audio and video stream) of the program, and is output to the reproducing unit 106.

PID of PES packet similarly input
Is a description of an identifier corresponding to the stream type of the SD broadcast, and when it is determined that the packet is a CM PES packet, it is notified to the CM selection unit 105. Upon receiving an instruction from the CM selection unit 105 to select the PES packet of the CM, the reproduction unit 10 reproduces the PES packet of the CM.
6 is output. The PES packet that is not instructed by the CM selection unit 105 to make a selection is deleted as it is.

When the input PES packet is a PSI packet,
Table 307 is stored in the PSI storage unit 104. The PSI storage unit 104 includes a RAM or the like, and stores various PSI tables for selecting a broadcast program, for example, the PMT 310 and the like. PMT
In 310, an identifier for identifying whether the transport streams 314, 316, etc. of the video constituting the transport stream 301 are HD broadcast or SD broadcast is described corresponding to the PID.

When receiving the notification of the PES packet 401 of the CM from the reception control unit 103, the CM selection unit 105 extracts the keyword (identifier) described in the PES private data area 406 of the conditional coding 404 of the header unit 402. read out. When the read keyword matches the keyword stored in the keyword storage unit 101, the notified PES packet 401
Is notified to the reception control unit 103. If the read keyword does not match the keyword stored in the keyword storage unit 101, no action is taken because it is not a CM to be selected.

The reproduction unit 106 includes an AV decoder, a display unit, and an audio output unit. The display unit includes a CRT or PDP (plasma display panel), and the audio output unit includes a speaker. The playback unit 106 decodes the program and CM PES packets 401 input from the reception control unit 103, outputs audio from the audio output unit, and displays video on the display unit. The program is displayed as a high-quality broadcast,
Is displayed as a standard quality broadcast.

Next, the operation of this embodiment will be described with reference to the flowchart shown in FIG. The HD broadcast reception interface unit 102 receives a predetermined transport stream under the control of the reception control unit 103 (S502).
The HD broadcast receiving interface unit 102 receives the received TS
A PES packet 401 is generated from the packet and output to the reception control unit 103 (S504).

The reception control unit 103 includes a PES packet 401 input from the HD broadcast reception interface unit 102.
And determines whether or not the stream type corresponding to the PID described in the PMT stored in the PSI storage unit 104 is an HD broadcast identifier (S5).
06). In the case of an HD broadcast identifier, the input PE
The S packet 401 is output to the reproducing unit 106 (S50
8) Return to S502.

In S506, the reception control unit 103
When the PID of the PES packet 401 does not correspond to the identifier of the HD broadcast, but is the identifier corresponding to the SD broadcast, whether the PES packet 401 is CM or NIT or P
It is determined whether it is a PSI such as MT (S510).
When the reception control unit 103 determines that it is a CM,
The S packet 401 is notified to the CM selection unit 105.

The CM selection unit 105 reads a keyword (identification number) from the private data area 406 of the header 402 of the PES packet 401 (S5).
12). The read keyword is stored in the keyword storage unit 10
It is determined whether the keyword matches the keyword stored in No. 1 (S514). If the keyword does not match, the process returns to S502. If the keyword matches, the reception control unit 103 is notified that the CM is to be selected (S516). .

In response, the reception control unit 103 reproduces the PES packet 401 notified to the CM selection unit 105 by the reproduction unit 1
06 (S508), and returns to S502. The reception control unit 103 determines that the PES packet 401
When it is determined that NIT,
Each table such as PAT and PMT is stored (S51
8) Return to S502.

In this embodiment, although the configuration diagram is shown in FIG. 1, a computer-readable storage medium such as a CD-ROM or a floppy (registered trademark) stores a program for causing a computer to perform the functions of the respective components. ) It may be recorded on a disk or the like, and may be applied to an HD broadcast receiver in which a CM cannot be selected so that a CM specified by a viewer can be selected.

[0031]

As described above, the present invention provides a receiving means for receiving a broadcast of a high-definition program and a plurality of standard-definition commercial messages having identifiers inserted between the programs. Separating means for separating a program and a commercial message from the broadcast received by the receiving means,
A storage unit that stores identification information for selecting a commercial message; an identifier assigned to the commercial message separated by the separation unit; and identification information stored in the storage unit. And a means for outputting the selected commercial message between the programs. With this configuration, the viewer previously stores identification information for selecting a CM suitable for the viewer in the storage unit, and selects one suitable CM from a plurality of CMs transmitted from the broadcasting device. Can be output.

Further, the identifier of the commercial message is an MPEG (Moving Picture Exe).
parts group) 2 System standard (IS
O / IEC13818-1) PES (Packeti)
zed Elementary Stream) packet is described in the private data area of the header portion of the packet. With such a configuration, a plurality of CMs transmitted simultaneously can be selected.

Further, the present invention provides a receiving means for receiving a broadcast of a high-definition program and a plurality of standard-definition commercial messages inserted between the programs and provided with identifiers,
Separating means for separating a program and a commercial message from a broadcast received by the receiving means; an identifier attached to the commercial message separated by the separating means; and identification information for selecting a commercial message stored in a storage means. And a computer-readable program that records a program that causes a computer to perform the functions of each means of selecting one suitable commercial message and outputting means for outputting the selected commercial message between the programs. Recording medium. With such a configuration, the present invention can be applied to a receiving apparatus having no function of selectively outputting one CM from a plurality of CMs, and can be a receiving apparatus capable of selecting a CM suitable for a viewer.

The present invention also relates to a broadcasting apparatus for broadcasting a high-definition program, wherein a plurality of standard-definition commercial messages with identifiers are inserted between the programs and transmitted as a transport stream together with the program. You are going to. With such a configuration, it is possible to provide a broadcasting device that broadcasts a plurality of CMs while leaving the transmission stream band of the transport stream as an HD broadcast program and leaves the selection of the CM to a viewer.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an embodiment of a CM extraction device according to the present invention.

FIG. 2 is a keyword table showing an example of keywords stored in a keyword storage unit according to the embodiment.

FIG. 3 is a diagram schematically illustrating a TS received by an HD broadcast receiving interface unit according to the embodiment.

FIG. 4 is a diagram illustrating a data structure of a CM PES packet output from an HD broadcast reception interface unit to the reception control unit 103 according to the embodiment.

FIG. 5 is a flowchart illustrating an operation of the embodiment.

[Explanation of symbols]

 101 Keyword Storage Unit 102 HD Broadcast Reception Interface Unit 103 Reception Control Unit 104 CM Selection Unit 105 CM Output Unit 106 Playback Unit

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04N 7/08 H04N 7/08 Z 7/081

Claims (4)

[Claims] 1. A receiving means for receiving a broadcast of a high-definition program and a plurality of standard-definition commercial messages inserted between the programs and provided with an identifier, and a program from the broadcast received by the receiving means. Separating means for separating the commercial message from the commercial message; storing means for storing identification information for selecting the commercial message; an identifier attached to the commercial message separated by the separating means; and storing in the storage means. A commercial message extracting apparatus, comprising: selecting means for comparing the identified commercial information and selecting one suitable commercial message; and outputting means for outputting the selected commercial message between the programs. 2. The identifier of the commercial message may be an MPEG (Moving Picture Exp).
erts Group) 2 System standard (ISO
/ IEC13818-1) PES (Packetiz)
2. The commercial message extracting apparatus according to claim 1, wherein the commercial message extracting apparatus is described in a private data area of a header part of an ed Elementary Stream (packet). 3. A receiving means for receiving a broadcast of a high-definition program and a plurality of standard-definition commercial messages with identifiers inserted between the programs, and a program from the broadcast received by the receiving means. Separating means for separating the commercial message from the commercial message; comparing the identifier attached to the commercial message separated by the separating means with the identification information for selecting the commercial message stored in the storage means; A computer-readable recording medium in which a program for causing a computer to perform the functions of a selection unit for selecting a message and an output unit for outputting the selected commercial message between the programs is recorded. 4. A broadcasting device for broadcasting a high-definition program, wherein a plurality of standard-definition commercial messages with identifiers are inserted between the programs and transmitted as a transport stream together with the program. Broadcasting equipment.