CN103024601B - Information acquisition system - Google Patents
Information acquisition system Download PDFInfo
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- CN103024601B CN103024601B CN201110284934.9A CN201110284934A CN103024601B CN 103024601 B CN103024601 B CN 103024601B CN 201110284934 A CN201110284934 A CN 201110284934A CN 103024601 B CN103024601 B CN 103024601B
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Abstract
The invention provides a kind of audio coding method and device, information collecting method and system, described information acquisition system comprises: information acquisition unit, for obtaining content of multimedia and attribute information thereof; Audio coding unit, for adopting the frequency band beyond auditory perceptual frequency to carry out digital coding to described attribute information, generates audio identification; Merge cells, for merging described audio identification and described content of multimedia; Playback terminal, for receiving and play described content of multimedia and audio identification through merging; Receiving terminal, for gathering the audio identification playing out and decoding, restores described attribute information; Acquisition server, obtains described attribute information from described receiving terminal. The present invention can reduce the cost of information gathering, improves collecting efficiency and precision.
Description
Technical field
The present invention relates to a kind of audio coding method and device, information collecting method and system.
Background technology
Contents watching investigation is generally used for gathering certain content of multimedia in specific region and actual data of watching in the time. The information collecting method of audience investigation mainly contains at present: by telephone interview, filling in questionnaires or professional audience investigation device sample investigation is installed obtains viewing-data. But the problem such as said method all exists that cost is high, low precision, coverage rate are low.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of audio coding method and device, information collecting method and system, reduces the cost of the information gatherings such as viewing-data, improves collecting efficiency and precision.
For solving the problems of the technologies described above, the invention provides a kind of audio coding method, comprising:
Obtain content of multimedia and attribute information thereof;
Adopt auditory perceptual frequency frequency band in addition to carry out digital coding to described attribute information, generate audio identification;
Described audio identification and described content of multimedia are merged.
Alternatively, the frequency band beyond described auditory perceptual frequency is 14KHz to 16KHz.
Alternatively, in described audio identification, also comprise synchrodata.
The present invention also provides a kind of information collecting method based on above-mentioned any audio coding method, comprising:
Receive and play described content of multimedia and audio identification through merging;
The audio identification that collection plays out is also decoded, and restores described attribute information;
Described attribute information is transferred to acquisition server.
The present invention also provides a kind of audio coding apparatus, comprising:
Information acquisition unit, for obtaining content of multimedia and attribute information thereof;
Audio coding unit, for adopting the frequency band beyond auditory perceptual frequency to carry out digital coding to described attribute information, generates audio identification;
Merge cells, for merging described audio identification and described content of multimedia.
Alternatively, the frequency band beyond described auditory perceptual frequency is 14KHz to 16KHz.
Alternatively, in described audio identification, also comprise synchrodata.
The present invention also provides a kind of information acquisition system, comprises above-mentioned any audio coding apparatus, also comprises:
Playback terminal, for receiving and play described content of multimedia and audio identification through merging;
Receiving terminal, for gathering the audio identification playing out and decoding, restores described attribute information;
Acquisition server, obtains described attribute information from described receiving terminal.
Alternatively, described acquisition server also obtains position, time and/or the terminal iidentification of described receiving terminal.
Alternatively, described playback terminal is PC, panel computer, mobile phone, TV or Set Top Box, and described receiving terminal is PC, panel computer, mobile phone, TV or Set Top Box.
Compared with prior art, the present invention has the following advantages:
In the audio coding method of the embodiment of the present invention and device, adopt auditory perceptual frequency frequency band in addition to carry out digital coding to the attribute information of content of multimedia, generate audio identification, afterwards the audio identification generating and content of multimedia are merged, thereby can in play multimedia content, play in the lump this audio identification, and the audio identification playing out employing is the frequency band beyond auditory perceptual frequency, can't be heard by people's ear, not affecting the synchronous loading and the propagation that have realized attribute information in user appreciates content of multimedia.
Further, frequency band in the audio coding method of the embodiment of the present invention and device beyond auditory perceptual frequency is preferably 14KHz to 16KHz, because the cut-off frequency of the conventional audio frequency apparatus such as microphone, loudspeaker is 16KHz, thereby can on the basis that does not change hardware device, realize broadcasting and the collection of audio identification, be conducive to reduce costs.
In the information collecting method and system of the embodiment of the present invention, play content of multimedia and audio identification through merging, the audio identification that collection plays out is also decoded, the attribute information restoring is transferred to acquisition server, thereby can obtain in real time corresponding attribute information in play multimedia content, and because the frequency band of audio identification is beyond auditory perceptual frequency, can't affect watching and listening to of user, efficiency, the precision of information gathering are higher.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the audio coding method of the embodiment of the present invention;
Fig. 2 is the schematic flow sheet of the information collecting method of the embodiment of the present invention;
Fig. 3 is the structured flowchart of the audio coding apparatus of the embodiment of the present invention;
Fig. 4 is the structured flowchart of the information acquisition system of the embodiment of the present invention.
Detailed description of the invention
The audience investigation collecting method of prior art exists that cost is high, the problem of low precision.
The embodiment of the present invention provides a kind of novel information collecting method and system, adopt auditory perceptual frequency frequency band in addition to carry out digital coding to the attribute information of content of multimedia, and the audio identification generating and content of multimedia are merged, thereby can when playing, synchronously play audio identification content of multimedia, be conducive to the attribute information of the content of multimedia that obtains more efficiently, more accurately current broadcasting, and then realize the operation such as audience investigation, user behavior analysis.
Below in conjunction with specific embodiments and the drawings, the invention will be further described, but should not limit the scope of the invention with this.
Fig. 1 shows the schematic flow sheet of the audio coding method of the present embodiment, comprising:
Step S11, obtains content of multimedia and attribute information thereof;
Step S12, adopts auditory perceptual frequency frequency band in addition to carry out digital coding to described attribute information, generates audio identification;
Step S13, merges described audio identification and described content of multimedia.
Fig. 2 shows the schematic flow sheet of the information collecting method based on above-mentioned audio coding method, comprising:
Step S21, receives and plays described content of multimedia and audio identification through merging;
Step S22, gathers the audio identification playing out and decodes, and restores described attribute information;
Step S23, transfers to acquisition server by described attribute information.
Wherein, content of multimedia can be word, picture, audio frequency and/or video, but is not limited to this; Attribute information can be the corresponding title of content of multimedia, copyright ownership, but is not limited to this.
As a preferred embodiment, frequency band beyond the auditory perceptual frequency that the present embodiment adopts is specially 14KHz to 16KHz, because the cut-off frequency of current audio frequency, stereo set (as microphone, loudspeaker etc.) is generally 16KHz, thereby adopt the frequency band range of 14KHz to 16KHz can use existing equipment that audio identification is play and received, do not need device hardware to transform, be conducive to reduce costs.
As a nonrestrictive example, digital coding process to attribute information specifically can comprise: working strength 0dBm～15dBm represents respectively the 0x0～0xF in 16 systems, adopt the audio frequency of varying strength to represent a concrete numeral, intensity changes once every Preset Time (as 10ms), thereby multiple numerals are connected in series, realize the coding of attribute information, a complete attribute information can comprise the first predetermined number (in the present embodiment being 16) 16 system numbers.
Further, can also be encrypted audio identification, effectively to prevent the situation such as data leak and audience ratings fraud.
In addition, can also in above-mentioned audio identification, add synchrodata, for receiving the Phase synchronization of collection terminal. As a nonrestrictive example, the sequence of synchrodata can comprise the second predetermined number (in the present embodiment being 12) 16 system numbers, be specially 0x8,0x8,0x8,0x8,0xF, 0xF, 0xF, 0xF, 0x8,0x8,0x8,0x8, this synchrodata sequence can't appear in the sequence that attribute information is corresponding. In the present embodiment, total duration of audio identification is 280 (16 × 10+12 × 10) ms, comprises the synchrodata that becomes with 12 16 system arrays of attribute information that 16 16 system arrays become.
In the time that user plays content of multimedia, can synchronously play the audio identification being incorporated in wherein, because the audio identification playing out is outside auditory perceptual frequency range, can not be heard by user, thereby can't affect the appreciation of user to content of multimedia itself. In play multimedia content, can the audio identification playing back with content of multimedia be gathered and be decoded, to obtain the attribute information of the current content of multimedia of listening to/watching of user.
In the present embodiment, in the process that receives and gather audio identification, every 10ms analyzes a frequency spectrum, first carries out synchronously, comprising: (1) finds continuous 4 0x8, enters the phase deviation adjusting stage; (2) after adjusting, receive continuous 4 0xF, enter the phase deviation adjusting stage again; (3) receive 3 continuous 0x8. Wherein, in step (1), (2), (3), any failure, restarts synchronizing process.
After synchronously completing, carry out the extraction of attribute information, be specially and read 16 16 system numbers, it is decoded (if there is encryption, can also be decrypted) after can obtain the attribute information such as title, copyright ownership of the current content of multimedia of watching/listening to of user, transmit it to after acquisition server, can complete the follow-up operation such as data analysis, processing by acquisition server, to realize audience investigation, user behavior analysis etc.
Fig. 3 shows the structured flowchart of the audio coding apparatus of the present embodiment, comprising: information acquisition unit 31, for obtaining content of multimedia and attribute information thereof; Audio coding unit 32, for adopting the frequency band beyond auditory perceptual frequency to carry out digital coding to attribute information, generates audio identification; Merge cells 33, for merging audio identification and content of multimedia.
Fig. 4 shows the information acquisition system of the present embodiment, comprises the information acquisition unit 31 shown in Fig. 3, audio coding unit 32 and merge cells 33, comprises in addition: playback terminal 42, for receiving and play content of multimedia and the audio identification through merging; Receiving terminal 43, for gathering the audio identification playing out and decoding, restores attribute information; Acquisition server 45, from receiving terminal 43 getattr information.
Wherein, information acquisition unit 31, audio coding unit 32 and merge cells 33 can be positioned at server end, as are arranged at TV station, media provider etc., with when content of multimedia is provided, the audio identification that has comprised attribute information are sent out in the lump; Playback terminal 42 and receiving terminal 43 can be positioned at user side, playback terminal 42 is by transmission network 41 receiving multimedia informations and audio identification and it is play, receiving terminal 43 gathers the audio identification playing out, and the attribute information decoding is sent to acquisition server 45; Acquisition server 45 can be positioned at server end, as what TV station set up, the program of oneself is carried out to the server of audience investigation, also can be positioned at long-range third party, as the service provider of Data Collection and Analysis Service is provided.
The cataloged procedure that generates audio identification please refer to the description about audio coding method in above-described embodiment, can use the intensity of sound to carry out digital coding, and particular content repeats no more here. Content of multimedia and audio identification through merging that merge cells 33 sends such as, transfer to user place by transmission network 41 (cable television network, internet, communication network etc.). Playback terminal 42 and the receiving terminal 43 at user place can be PC, panel computer, mobile phone, TV or Set Top Box. For playback terminal 42, can adopt conventional equipment completely and do not need to transform, and for receiving terminal 43, only need to pack into therein software or the hardware module of decoded audio mark, be conducive to control the cost of whole system.
Playback terminal 42 by transmission network 41 receive through merging content of multimedia and audio identification after it is play, play in free space, the content playing out comprises content of multimedia (such as TV programme, advertisement etc.) and audio identification (audio identification has comprised attribute information, for example programm name, advertisement putting business title) simultaneously; Receiving terminal 43 gathers the audio identification playing out and decodes by the mode of software or hardware, the attribute information that wherein comprised is restored, process synchronous and decoding refers to the description of information collecting method in above-described embodiment, repeats no more here.
The attribute information restoring such as, transfers to acquisition server 45 by data communication network 44 (communication network, Internet etc.), carries out further statistics and analysis by acquisition server 45. As a preferred embodiment, acquisition server 45 also obtains position, time and/or the terminal iidentification (being hardware ID) of receiving terminal 43 simultaneously, thereby can carry out more abundant, complete analysis.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible variation and amendment, therefore protection scope of the present invention should be as the criterion with the scope that the claims in the present invention were defined.
Claims (4)
1. an information acquisition system, is characterized in that, comprises audio coding apparatus, described audio coding apparatusComprise:
Information acquisition unit, for obtaining content of multimedia and attribute information thereof, described in described attribute information comprisesThe title of content of multimedia, copyright ownership;
Audio coding unit, for adopting the frequency band beyond auditory perceptual frequency to carry out numeral to described attribute informationCoding, generates audio identification;
Merge cells, for merging described audio identification and described content of multimedia;
Described information acquisition system also comprises:
Playback terminal, for receiving and play described content of multimedia and audio identification through merging;
Receiving terminal, for gathering the audio identification playing out and decoding, restores described attribute information,To obtain the attribute information of the current content of multimedia of listening to or watch of user;
Acquisition server, obtains described attribute information from described receiving terminal, and described acquisition server also obtains instituteState position, time and/or the terminal iidentification of receiving terminal, and described attribute information is carried out to statistics and analysis, withRealize audience investigation, user behavior analysis;
Wherein, described playback terminal and receiving terminal are positioned at user side, and described acquisition server is positioned at server end.
2. information acquisition system according to claim 1, is characterized in that, described auditory perceptual frequency withOuter frequency band is 14KHz to 16KHz.
3. information acquisition system according to claim 1, is characterized in that, in described audio identification, also wrapsDraw together synchrodata.
4. information acquisition system according to claim 1, is characterized in that, described playback terminal is individualComputer, panel computer, mobile phone, TV or Set Top Box, described receiving terminal is PC, panel computer, handMechanical, electrical looking or Set Top Box.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110284934.9A CN103024601B (en) | 2011-09-23 | 2011-09-23 | Information acquisition system |
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| CN201110284934.9A CN103024601B (en) | 2011-09-23 | 2011-09-23 | Information acquisition system |
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| CN103024601B true CN103024601B (en) | 2016-05-18 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104239330A (en) * | 2013-06-19 | 2014-12-24 | 腾讯科技（北京）有限公司 | Method and device for adding marks on multimedia files and recognizing marks |
| CN104349181A (en) * | 2013-08-08 | 2015-02-11 | 吕品 | Audio label application system and audio label application method |
| CN104681033A (en) * | 2013-12-02 | 2015-06-03 | 联想(北京)有限公司 | Information encoding and decoding methods and electronic equipment |
| CN104125481A (en) * | 2013-12-06 | 2014-10-29 | 江苏梦之音科技有限公司 | Multi-screen interaction method, device and system based on cloaking communication technology |
| CN105100858A (en) * | 2014-05-08 | 2015-11-25 | 亚历克斯·漆 | Video play system and method |
| CN105100864A (en) * | 2014-05-08 | 2015-11-25 | 亚历克斯·漆 | Video play method, device and player |
| CN105227432A (en) * | 2014-06-30 | 2016-01-06 | 亚历克斯·漆 | Information-pushing method, device and system |
| CN104038772B (en) * | 2014-06-30 | 2017-08-25 | 北京奇艺世纪科技有限公司 | Generate the method and device of ring signal file |
| CN104038773B (en) * | 2014-06-30 | 2017-08-25 | 北京奇艺世纪科技有限公司 | Generate the method and device of ring signal file |
| CN105898365A (en) * | 2015-11-16 | 2016-08-24 | 乐视网信息技术（北京）股份有限公司 | Cross screen interaction method, device, server and terminal device |
| CN106060740B (en) * | 2016-05-24 | 2020-07-17 | 腾讯科技（深圳）有限公司 | Microphone data processing method and device |
| CN107463647A (en) * | 2017-07-25 | 2017-12-12 | 努比亚技术有限公司 | Audio identification method to set up, application method, terminal and computer-readable recording medium |
| CN109426794A (en) * | 2017-09-04 | 2019-03-05 | 上海百蝠信息技术有限公司 | Show the monitoring method and device, computer readable storage medium, terminal of information |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2615765Y (en) * | 2003-05-10 | 2004-05-12 | 巨豪实业股份有限公司 | Ultrasonic wave type electronic label content transmitting device |
| CN101043320A (en) * | 2006-03-20 | 2007-09-26 | 明基电通（上海）有限公司 | Safe communication system and method |
| CN101959045A (en) * | 2009-07-20 | 2011-01-26 | 谢正旭 | Odor stimulating method of broadcast television audio/video program |
| WO2011034389A3 (en) * | 2009-09-18 | 2011-07-07 | 한국전자통신연구원 | Communication system using ultrasonic waves |
-
2011
- 2011-09-23 CN CN201110284934.9A patent/CN103024601B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2615765Y (en) * | 2003-05-10 | 2004-05-12 | 巨豪实业股份有限公司 | Ultrasonic wave type electronic label content transmitting device |
| CN101043320A (en) * | 2006-03-20 | 2007-09-26 | 明基电通（上海）有限公司 | Safe communication system and method |
| CN101959045A (en) * | 2009-07-20 | 2011-01-26 | 谢正旭 | Odor stimulating method of broadcast television audio/video program |
| WO2011034389A3 (en) * | 2009-09-18 | 2011-07-07 | 한국전자통신연구원 | Communication system using ultrasonic waves |
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