CN100556128C - The automatic collection of TV audience rating and statistical method and system - Google Patents
The automatic collection of TV audience rating and statistical method and system Download PDFInfo
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- CN100556128C CN100556128C CNB2004100528964A CN200410052896A CN100556128C CN 100556128 C CN100556128 C CN 100556128C CN B2004100528964 A CNB2004100528964 A CN B2004100528964A CN 200410052896 A CN200410052896 A CN 200410052896A CN 100556128 C CN100556128 C CN 100556128C
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Abstract
The invention provides the automatic collection of a kind of TV audience rating and statistical method and system, wherein, the Data Receiving statistic unit (102) that catv network node (101) is located sends data acquisition startup signaling by the forward link of Two-way CATV Network to the data acquisition burst unit (105) at sample of users place, data acquisition burst unit (105) sends to Data Receiving statistic unit (102) to the viewing-data that collects by return link, the Data Receiving statistic unit is put in order the data that all or part of sample of users in the network node is returned on request then, storage, analyze and statistics, the audience ratings that just can obtain the TV user in this network node institute overlay area is estimated.If the data that the all-network node is collected further gather, handle, just can count the estimated value of audience ratings in larger scope.
Description
Technical field
The present invention relates to the automatic collection of TV audience rating and statistical method and system, relate in particular to the automatic collection of TV audience rating and statistical method and system based on OUBN (CATV) network.
Background technology
Along with the development of China market economy, the competition of TV play and TV column is growing more intense, and the height of TV program audience rating has become the important indicator of weighing TV play and TV column effect.How can obtain the audience ratings of specifying column fast, accurately and efficiently, be the needs of TV programme and advertising development.
At present, statistical method about program audience rating is mainly selected the sample family of representative TV user as audience rating statistical by market researchy corporation, audience ratings data according to the reflection of sample family is added up, and obtains the statistics of corresponding column audience ratings with this.
Clearly, this with the obtained result of complicate statistics method, there is following deficiency.
The a sample number is limited, and statistics is owed accurately, and accuracy rate is low;
The screening process complexity of b sample needs to drop into a large amount of fund, man power and material, and efficient is low;
C people is the result who adds up about meeting that influences of factor, and is difficult for eliminating.
Therefore, need the method and system of a kind of automatic collection and statistics TV audience rating, to remedy the every deficiency that exists in the prior art.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the object of the present invention is to provide a kind of automatic collection of TV audience rating and statistical method and system, to overcome the shortcoming that traditional statistical method exists effectively based on OUBN (CATV) network.System and method of the present invention can be gathered viewing-data automatically from the users interest sample, can add up automatically the audience ratings of a plurality of columns simultaneously, thereby obtain the audience ratings result who specifies column fast, accurately and efficiently.
The invention provides a kind of TV audience rating and gather automatically and statistical method, it may further comprise the steps: start the collection of viewing-data; Obtain the channel control signal from television set; Produce a coded sequence, comprising described channel control signal and user identification code; With described coded sequence modulation back carrier wave; Modulated back carrier wave is sent to the catv network node through return link; At catv network node place, the modulated back carrier wave that receives is separated mediation decoding, to obtain viewing-data; Viewing-data is added up, with the TV audience rating that obtains to investigate.
The present invention also provides a kind of TV audience rating to gather automatically and statistical system, it comprises Data Receiving statistic unit and data acquisition burst unit, wherein said Data Receiving statistic unit is included in the catv network node, be connected between CATV signal source and the CATV transmission network, it comprises: the enabling signal generating means is used to produce the forward carriers that starts the signaling modulation through data acquisition; Blender, it is connected between CATV signal source, enabling signal generating means and the CATV transmission network, the TV signal that is used for modulated forward carriers and CATV signal source are sent is mixed, and mixed signal sent to user terminal by the CATV transmission network, described blender also receives the modulated back carrier wave that user terminal returns; First modulator/demodulator is used for modulated back carrier wave is carried out demodulation; And computer, be used for the signal of the described first modulator/demodulator demodulation is deciphered and added up, with the TV audience rating that obtains investigating.Described data acquisition burst unit is positioned at the user terminal place, is connected between television set and the CATV transmission network, and it comprises: two-way distributor is used to receive and the TV signal and the modulated forward carriers of separating from the CATV transmission network; Second modulator/demodulator is used for the isolated modulated forward carriers of the two-way distributor of demodulation, starts signaling to obtain data acquisition, is used to start carrier oscillator, encoder and memory; Clock generator is used to memory and encoder clocking; Memory is used to store user identification code, and when memory was activated, the channel control signal that the channel selection control chip is produced offered memory; Encoder is used for user identification code and channel control signal from memory are encoded, to produce a coded sequence; The first carrier oscillator is used to produce the back carrier wave of Two-way CATV Network; Described second modulator/demodulator is modulated the back carrier wave that carrier oscillator produces with the coded sequence that encoder produces; And described two-way distributor sends modulated back carrier wave by the CATV transmission network.
Automatic collection of the TV audience rating based on Two-way CATV Network that the present invention discloses and statistical method and system can be widely used in following industry: a) TV station; B) advertising company; C) production of film and TV company; D) newspaper, periodical publisher; E) market researchy corporation etc.
With respect to artificial audience rating statistical system, TV audience rating of the present invention is gathered automatically and statistical system has quick, accurate, efficient and inexpensive advantage.Wherein, the data burst element circuit is simple, cost is low, and user's television set has been realized effective management; The demodulation that the Data Receiving statistic unit relates to is convenient, the use microcomputer carries out data processing, can carry out addressing to all or part of user of present networks intranodal, and equipment quantity is few, and one-time investment is few.In the Two-way CATV Network once having equipped the present invention, just can be used for the statistical work of the audience ratings of TV play, TV column, advertisement etc. for a long time, can save greatly because of engaging market researchy corporation to investigate, add up spent cost, also can avoid the statistical error that exists in the complicate statistics.
Description of drawings
Fig. 1 is the block diagram according to automatic collection of the TV audience rating that the present invention is based on Two-way CATV Network and statistical system.
Fig. 2 is the block diagram that comprises the catv network node (network center) of Data Receiving statistic unit.
Fig. 3 is the block diagram of the data acquisition burst unit among the present invention.
Fig. 4 shows a preferred embodiments of the coding structure of bursty data frame in the data acquisition burst unit.
Fig. 5 shows an example of the viewing-data structure of Data Receiving statistic unit storage.
Embodiment
Followingly describe preferred embodiment of the present invention in detail with reference to accompanying drawing.
With reference to Fig. 1, it shows according to TV audience rating of the present invention and gathers automatically and statistical system.In traditional Two-way CATV Network, catv network node (network center) 101 is connected with CATV mains system 103, and CATV mains system 103 is connected to user's television set 106 by CATV distribution network 104.According to technical scheme of the present invention, increase Data Receiving statistic unit 102 at catv network node 101 places, and increase data acquisition burst unit 105 at user terminal (television set) 106 places.Below CATV mains system 103 and CATV distribution network 104 are collectively referred to as the CATV transmission network.
In the present invention, the link from catv network node 101 to user's television set 106 is called forward link, the link from user's television set 106 to catv network node 101 is called return link.At work, the Data Receiving statistic unit 102 at catv network node 101 places sends data acquisition startup signaling by the forward link of Two-way CATV Network to the data acquisition burst unit 105 at sample of users place, data acquisition burst unit 105 sends to Data Receiving statistic unit 102 to the viewing-data that collects by return link, the Data Receiving statistic unit is put in order the data that all or part of sample of users in the network node is returned on request then, storage, analyze and statistics, the audience ratings that just can obtain the TV user in this network node institute overlay area is estimated.If data some or that the all-network node is collected are further gathered, handle, just can count the estimated value of audience ratings in larger scope.
In preferred embodiment of the present invention, data acquisition burst unit 105 can adopt pulse-ampli tude modulation (PAM) burst RF pulse string radiation pattern, its radiant power is little, Burst Period is short, for example can get 0.5ms or 1ms, therefore the parts in the data acquisition burst unit 105 are only worked during Burst Period, can the work of Two-way CATV Network and user's television set not impacted.
The Data Receiving statistic unit for example can adopt and go the rounds, wait collection mode that the viewing-data of the data burst collecting unit in the sample of users is collected, stores, added up at random, and its circuit is simple, and statistical work is very convenient.
Describe a preferred embodiment of automatic collection of TV audience rating of the present invention and statistical system in detail below with reference to Fig. 2 and Fig. 3.
With reference to Fig. 2, it shows the concrete structure of Data Receiving statistic unit 102.Data Receiving statistic unit 102 is included in the catv network node 101, is connected between CATV signal source 201 and the mains system 103.Data Receiving statistic unit 102 comprises blender 202, modulator/demodulator 203, carrier oscillator 204, computer 205 and starts signal generator 206 etc.
When needs investigation audience ratings, start signal generator 206 and will produce data acquisition startup signaling.Modulator/demodulator 203 usefulness data acquisitions start the forward carriers that signaling modulated carrier oscillator 204 produces.The frequency of the forward carriers that carrier oscillator 204 produces is different with TV signal, makes receiving terminal can distinguish TV signal effectively and starts the forward carriers that signaling is modulated through data acquisition.What in one embodiment, carrier oscillator 204 produced is the standard forward carriers that meets the 112MHz of current C ATV network standard signaling frequency.Blender 202 mixes modulated forward carriers with TV signal, mixed signal is sent to each user terminal place that this catv network node covers by the CATV transmission network.In another embodiment of the present invention, the operation that starts signal generator 206 execution can be realized by computer 205.
Referring now to Fig. 3, it shows the concrete structure of data acquisition burst of the present invention unit 105.Data acquisition burst unit 105 is positioned at the user terminal place, and it can be made in television set 106 inside by television manufacturer, or makes the special purpose interface of drawing on independent devices and CATV distribution network 104 and the television set 106 and link to each other.Data acquisition burst unit 105 comprises two-way distributor 301, modulator/demodulator 302, carrier oscillator 303, encoder 304, clock generator 305 and memory 306.
Comprise filter in the two-way distributor 301, be used for filtering out the forward carriers that starts the signaling modulation through data acquisition from the mixed signal that receives.After two-way distributor 301 received mixed signal from the catv network node, its was sent to the broadcast of used as television in TV programme with mixed signal on one side, on one side modulated forward carriers that filter is filtered out be sent to modulator/demodulator 302.Because the frequency of modulated forward carriers is different with TV signal, promptly there is not television channel in this frequency place, so even modulated forward carriers is sent to television set, can not influence the broadcast of TV programme in the television set yet.Certainly, the present invention do not get rid of yet from mixed signal, filter out TV signal after, again TV signal is sent to television set.
After modulator/demodulator 302 receives modulated forward carriers, it is carried out demodulation, start signaling to obtain data acquisition.Modulator/demodulator 302 each parts in data acquisition burst unit 105 send enabling signal then, comprise carrier oscillator 303, encoder 304, clock generator 305 and memory 306, to carry out the collection of viewing-data.
Watch in the process of TV programme in TV user, behind the selected a certain channel of user, the channel selection control chip of television set inside will produce a series of channel control signals, and they are corresponding with selected channel.The structure of the channel selection control chip of different brands television set inside may be slightly different, but they all have identical functions, promptly produce the channel control signal.Described channel control signal comprises wave band control signal BAND1, BAND2 (2bits digital signal) and tuning control signal BT (14bits pulse width modulation sequence), and they have determined the television channel that the user watched uniquely.Wherein, the truth table of wave band control signal BAND1, BAND2 sees Table 1.
The relation of table 1 wave band control signal and service band
| BAND1 | BAND2 | Service band |
| L | L | UHF |
| L | H | VHFH |
| H | L | VHFL |
As shown in Figure 4, this coded sequence comprises that homing sequence, 8bits startup word, 32bits User Recognition word, the information data sequence of three 16bits information word cascades, 8bits that 128bits " 0 ", " 1 " replace finish word, length overall 224bits.Wherein, the homing sequence word is in first of the coded sequence, and it is used to obtain bit synchronous corresponding to bit synchronization sign indicating number SYN; Start word,, show the beginning of a frame immediately following after the homing sequence word; The User Recognition word is used for the recognition sample user, owing to adopt the User Recognition word of 32bits in this preferred embodiments, therefore addressable user reaches 2
32Individual; Three connect information words, and each information word is made of 2bits wave band control word and the tuning control word of 14bits, connect the correctness that information words are decided by vote the authorization information data with three, promptly get two identical words for very; Finish word, show the end of a frame.
Fig. 4 has just provided preferred embodiments of the coded sequence that encoder 304 produces, in fact, the present invention can with coded sequence be not limited thereto.For example, the User Recognition word is not limited to 32, can decide the figure place of User Recognition word according to the number of users that the catv network intranodal covers.In addition, because the various signals among the present invention are all by cable network transmission, signal is interfered and the possibility of makeing mistakes is minimum, so even only also can guarantee higher reliability with single information word, it is perfectly safe to use three company's information words can guarantee basically.
Return Fig. 3, the carrier oscillator 303 in the data acquisition burst unit 105 produces the back carrier wave of Two-way CATV Network, and in one embodiment, what carrier oscillator 303 produced is the standard back carrier wave that meets the 30MHz of current C ATV network standard back frequency.The back carrier wave that the coded sequence modulated carrier oscillator 303 that modulator/demodulator 302 usefulness encoders 304 produce produces, in one embodiment, 302 pairs of back carrier waves of modulator/demodulator carry out PAM amplitude modulation, produce the carrier frequency pulse sequence through amplitude modulation.Back carrier wave after modulation enters the two-way catv transmission network through two-way distributor 201, sends back Data Receiving statistic unit 102.
In one embodiment, clock generator 305 can substitute with a frequency divider that links to each other with carrier oscillator 303, the carrier wave that this frequency divider produces carrier oscillator 303 sends to encoder 304 behind frequency division and memory 306 is used as clock signal, thereby has further simplified the structure of data acquisition burst unit 105.
Return Fig. 2, further describe the processing of 102 pairs of modulated back carrier waves of Data Receiving statistic unit.Modulated back carrier wave is transmitted back to Data Receiving statistic unit 102 by the CATV transmission network.Through blender 202 modulated back carrier wave is sent to modulator/demodulator 203, carry out demodulation by 203 pairs of modulated back carrier waves of modulator/demodulator, to obtain a coded sequence, this coded sequence is corresponding with the coded sequence of encoder 304 generations in the data acquisition burst unit 105.Modulator/demodulator is sent to computer 205 with the coded sequence that demodulates, and is deciphered and is managed by 205 pairs of these coded sequences of computer.
With reference to Fig. 4, computer 205 at first obtains bit synchronous according to the homing sequence word first of the coded sequence, and then coded sequence is deciphered.Computer obtains User Recognition word and information word successively from coded sequence, be three company's information words as if what comprise in the coded sequence, and computer is then by relatively choosing one of them correct information word so.Computer according to the User Recognition word determine information word will be in database address stored, deposit information word in this address with the local zone time of computer 205 then.Fig. 5 shows a preferred embodiments of the viewing-data structure of Computer Storage in the Data Receiving statistic unit.As shown in Figure 5, in the Data Receiving statistic unit, Computer Storage is not the whole of coded sequence to the data in the database, and only be wherein corresponding to the 16bits information word of channel control signal, and the local zone time data of computer, effective information data 16bits (BAND1, BAND2, BT), time (Year/Month/Day/time/minute/second) data 48bits wherein, total valid data 64bits (8bytes), they are the data for statistics usefulness.
After having stored information word and computer local zone time, computer can be added up the data of storage, with the audience ratings of the TV programme that obtains needing investigation.In the time need carrying out the statistics of audience ratings to the column that a certain special time, a certain specific channel broadcast, computer can obtain viewer's number of this special time, specific broadcast channel and the ratio of total number of users, i.e. the audience rating statistical value of this column by Query Database.
If obtain audience rating statistical value more accurately, need only increase sample number, promptly wider statistics is carried out in the zone that several catv network nodes are covered, or carries out repeatedly data acquisition and add up getting final product in the broadcast period of certain TV programme.
More than just describe a preferred embodiment of the present invention, within the scope of the invention, the foregoing description can also have a lot of variations.
For example, data acquisition starts signaling and is not limited to be produced by startup signal generator 206 in the Data Receiving statistic unit 102 or computer 205, and data acquisition burst unit 105 also can initiate self the collection of viewing-data.For example, behind user's switching TV channel, if the user surpasses a certain scheduled time in the time that this channel stops, as five minutes or ten minutes, data acquisition burst unit just starts the collection of viewing-data voluntarily so, and the viewing-data that collects sent to Data Receiving statistic unit 102, and that is to say, come log-on data collection burst unit by the variation of channel control signal.Perhaps, also a timing device can be set in data acquisition happens suddenly unit 105, every predetermined instant as or 8 gold-shelves, just starts the collection of viewing-data automatically at 7, and the viewing-data that collects is sent to Data Receiving statistic unit 102.
In addition, the data acquisition that generates in the Data Receiving statistic unit 102 starts signaling can comprise the customer identification number ID corresponding with the addressable user terminal, like this data acquisition start signaling just can with go the rounds, at random or other predetermined way by programming start user terminals different in this sub-district.Starting signaling in data acquisition comprises under the situation of customer identification number ID, data acquisition burst unit need comprise a decoder, be used for the data collection is started signaling decoding, drawing the customer identification number ID that wherein comprises, and the customer identification number ID that prestores in customer identification number ID and the memory 306 is made comparisons.If both are inconsistent, then data acquisition burst unit 105 needn't respond the data acquisition startup signaling that receives.If both unanimities prove that then this user terminal is the sample of users that Data Receiving statistic unit 102 is wished investigation, at this moment just starts the collection of viewing-data.
According to above description the of the present invention, for the person skilled in the art, do not break away from the spirit and scope of the present invention, the present invention is made various changes and variation is clearly.Therefore the present invention attempts to be included in various variations and the change in the equivalence techniques scope of the present invention.
Claims (15)
1. a TV audience rating is gathered and statistical system automatically, it is characterized in that, it comprises Data Receiving statistic unit (102) and data acquisition burst unit (105), wherein
Described Data Receiving statistic unit (102) is included in the catv network node (101), is connected between CATV signal source (201) and the CATV transmission network (103,104), and described Data Receiving statistic unit (102) comprising:
Enabling signal generating means (203,204,205,206) is used to produce the forward carriers that starts the signaling modulation through data acquisition;
Blender (202), it is connected CATV signal source (201), enabling signal generating means (203,204,205,206) and between the CATV transmission network, the TV signal that is used for modulated forward carriers and CATV signal source (201) are sent is mixed, and mixed signal is sent to user terminal by the CATV transmission network, and described blender (202) also receives the modulated back carrier wave that user terminal returns;
First modulator/demodulator (203) is used for modulated back carrier wave is carried out demodulation; With
Computer (205) is used for the signal of described first modulator/demodulator (203) demodulation is deciphered and added up, with the TV audience rating that obtains investigating;
Described data acquisition burst unit (105) is positioned at the user terminal place, is connected between television set (106) and the CATV transmission network (103,104), and described data acquisition burst unit (105) comprising:
Two-way distributor (301) is used to receive and the TV signal and the modulated forward carriers of separating from the CATV transmission network;
Second modulator/demodulator (302) is used for the isolated modulated forward carriers of the two-way distributor of demodulation (301), starts signaling to obtain data acquisition, is used to start first carrier oscillator (303), encoder (304) and memory (306);
Clock generator (305) is used to memory (306) and encoder (304) clocking;
Memory (306) is used to store user identification code, and when memory is activated, writes the channel control signal that the interior channel selection control chip of television set (106) produces;
Encoder (304) is used for user identification code and channel control signal from memory (306) are encoded, to produce a coded sequence;
First carrier oscillator (303) is used to produce the back carrier wave of Two-way CATV Network;
Described second modulator/demodulator (302) is modulated the back carrier wave that first carrier oscillator (303) produces with the coded sequence that encoder (304) produces; And
Described two-way distributor (301) sends modulated back carrier wave by the CATV transmission network.
2. TV audience rating as claimed in claim 1 is gathered and statistical system automatically, it is characterized in that the coded sequence that encoder (304) produces in the described data acquisition burst unit (105) comprises homing sequence, startup word, User Recognition word, represents that three of channel information connects information word and finishes word.
3. TV audience rating as claimed in claim 1 is gathered and statistical system automatically, it is characterized in that the data structure of computer (205) storage comprises the information word of representing channel information and the local zone time data of computer in the described Data Receiving statistic unit (102).
4. TV audience rating as claimed in claim 1 is gathered and statistical system automatically, it is characterized in that described enabling signal generating means (203,204,205,206) comprising:
Start signal generator (206), be used to produce data acquisition and start signaling;
Second carrier oscillator (204) is used to produce the forward carriers of Two-way CATV Network; With
Described first modulator/demodulator (203) is used for starting the forward carriers that signaling modulated carrier oscillator produces with data acquisition.
5. one kind is used for that TV audience rating is automatically gathered and the Data Receiving statistic unit (102) of statistical system, it is included in the catv network node (101), is connected between CATV signal source (201) and the CATV transmission network (103,104), it is characterized in that it comprises:
Enabling signal generating means (203,204,205,206) is used to produce the forward carriers that starts the signaling modulation through data acquisition;
Blender (202), it is connected CATV signal source (201), enabling signal generating means (203,204,205,206) and between the CATV transmission network (103,104), the TV signal that is used for modulated forward carriers and CATV signal source are sent is mixed, and mixed signal sent to user terminal by CATV transmission network (103,104), described blender (202) also receives the modulated back carrier wave that comprises viewing-data that user terminal returns;
Modulator/demodulator (203) is used for modulated back carrier wave is carried out demodulation; With
Computer (205) is used for the signal of described modulator/demodulator (203) demodulation is deciphered and added up, with the TV audience rating that obtains investigating.
6. Data Receiving statistic unit as claimed in claim 5, described forward carriers are the Two-way CATV Network standard forward carriers of 112MHz.
7. unit (105) that is used for that TV audience rating is automatically gathered and the data acquisition of statistical system happens suddenly, it is positioned at the user terminal place, is connected between television set (106) and the CATV transmission network (103,104), it is characterized in that it comprises:
Two-way distributor (301) is used to receive and separates from the TV signal of CATV transmission network and the forward carriers of modulating through data acquisition startup signaling;
Modulator/demodulator (302) is used for the isolated modulated forward carriers of the two-way distributor of demodulation (301), starts signaling to obtain data acquisition, is used to start carrier oscillator (303), encoder (304) and memory (306);
Clock generator (305) is used to memory (305) and encoder (304) clocking;
Memory (306) is used to store user identification code, and when memory is activated, writes the channel control signal that the channel selection control chip in the television set (106) produces;
Encoder (304) is used for user identification code and channel control signal from memory (306) are encoded, to produce a coded sequence;
Carrier oscillator (303) is used to produce the back carrier wave of Two-way CATV Network;
Described modulator/demodulator (302) is modulated the back carrier wave that carrier oscillator (303) produces with the coded sequence that encoder (304) produces; And
Described two-way distributor (301) sends modulated back carrier wave by the CATV transmission network.
8. data acquisition burst as claimed in claim 7 unit is characterized in that clock generator (305) substitutes with a frequency divider that links to each other with carrier oscillator (303).
9. data acquisition burst as claimed in claim 7 unit is characterized in that carrier oscillator (303) produces the Two-way CATV Network standard back carrier wave of 30MHz.
10. data acquisition burst as claimed in claim 7 unit is characterized in that modulator/demodulator (302) is carried out PAM amplitude modulation to the back carrier wave that carrier oscillator (303) produces.
11. one kind is adopted the TV audience rating that TV audience rating as claimed in claim 1 is gathered automatically and statistical system is carried out to gather automatically and statistical method, it is characterized in that it may further comprise the steps:
When the channel control signal changes and keeps the scheduled time, start the collection of viewing-data;
Obtain the channel control signal from television set;
Produce a coded sequence, comprising described channel control signal and user identification code;
With described coded sequence modulation back carrier wave;
Modulated back carrier wave is sent to the catv network node through return link;
At catv network node place, the modulated back carrier wave that receives is separated mediation decoding, to obtain viewing-data;
Viewing-data is added up, with the TV audience rating that obtains to investigate.
12. TV audience rating as claimed in claim 11 is gathered and statistical method automatically, it is characterized in that, the step that starts the collection of viewing-data comprises:
At catv network node place, generate data acquisition and start signaling;
Start the forward carriers that the signaling modulating frequency is different from TV signal frequency with data acquisition;
Modulated forward carriers is sent to the sample of users terminal through forward link;
At the user terminal place, modulated forward carriers is carried out demodulation, to start the collection of viewing-data.
13. TV audience rating as claimed in claim 12 is gathered and statistical method automatically, it is characterized in that, described data acquisition starts signaling and comprises the customer identification number corresponding with the addressable user terminal.
14. TV audience rating as claimed in claim 12 is gathered and statistical method automatically, it is characterized in that, described modulated forward carriers is mixed with TV signal after the CATV transmission network sends, separate mixed signal at the user terminal place, to obtain modulated forward carriers and TV signal.
15. TV audience rating as claimed in claim 11 is gathered and statistical method automatically, it is characterized in that, the step of the modulated back carrier wave of described transmission comprises that the form with PAM burst RF pulse string sends modulated back carrier wave.
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| CNB2004100528964A CN100556128C (en) | 2004-07-14 | 2004-07-14 | The automatic collection of TV audience rating and statistical method and system |
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| CNB2004100528964A CN100556128C (en) | 2004-07-14 | 2004-07-14 | The automatic collection of TV audience rating and statistical method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1878178B (en) * | 2006-07-11 | 2012-06-27 | 华为技术有限公司 | Program audience information handling method and system |
| JP2008271294A (en) * | 2007-04-23 | 2008-11-06 | Oki Electric Ind Co Ltd | Channel selection information transmitting apparatus, method, and program |
| CN101399958B (en) * | 2007-09-30 | 2010-11-03 | 华为技术有限公司 | Method, system and device for obtaining customer management information |
| CN102523497B (en) * | 2011-12-29 | 2014-07-09 | 北京衡准科技有限公司 | Method for predicting television program hot spot information based on monitoring of mass television program forenotices |
| CN104811810B (en) * | 2015-03-23 | 2018-12-07 | 四川长虹电器股份有限公司 | Based on smart television real-time region audience ratings and rating share statistical system and method |
| CN106911752A (en) * | 2015-12-23 | 2017-06-30 | 北京奇虎科技有限公司 | The method and apparatus for notifying user's going on line or off line |
| CN106911748A (en) * | 2015-12-23 | 2017-06-30 | 北京奇虎科技有限公司 | The method and apparatus of on-line user amount statistic |
| CN106911528A (en) * | 2015-12-23 | 2017-06-30 | 北京奇虎科技有限公司 | The method and apparatus of on-line user amount statistic |
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