CN104349181A - Audio label application system and audio label application method - Google Patents
Audio label application system and audio label application method Download PDFInfo
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- CN104349181A CN104349181A CN201310345239.8A CN201310345239A CN104349181A CN 104349181 A CN104349181 A CN 104349181A CN 201310345239 A CN201310345239 A CN 201310345239A CN 104349181 A CN104349181 A CN 104349181A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/233—Processing of audio elementary streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25866—Management of end-user data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8352—Generation of protective data, e.g. certificates involving content or source identification data, e.g. Unique Material Identifier [UMID]
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Computer Graphics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses an audio label application system and an audio label application method. By use of an audio label technology, content rating survey and user behavior analysis are associated, so that the collection cost of information such as rating data is reduced; merchant coupon propelling and online store guidance are associated, so that occurrence of consuming behaviors can be promoted. The technical scheme is as follows: encoding audio label information to form an audio label; mixing the audio label with audio frequencies in target multimedia contents, transmitting, and playing by use of an existing play terminal. The audio label is transmitted in air in a sound mode; by virtue of application of the audio label, close association of commercial activities such as content rating survey, user behavior analysis, merchant coupon propelling and online store guidance is realized, and the effects of accurately delivering information and promoting occurrence of consuming behaviors are realized.
Description
Technical field
The present invention relates to information technology, the audio encoding and decoding technique especially in information technology, digital media technology, electron trade, field of household appliances, intelligent terminal software technology, broadcast television transmissions technology and Internet technology.
Background technology
The acquisition method of contents watching investigation mainly contains at present: by phone, questionnaire or other mode sample investigations obtain audience ratings.Providing coupons is one of businessman's marketing tool, and method main at present manually provides at random in certain region, installs that coupon device is got public domain confession people, the electronics mode such as Quick Response Code is provided.The marketing of online shop is the very important business activity of e-commerce field, and the mode usually adopted at present comprises: the print media advertisements such as television advertising, radio advertisements, newspaper, Internet advertising, mobile Internet advertisement, building television advertisement, outdoor advertising, microblogging popularization etc.
All there is following major defect in current method: cost is high, coverage rate is low, the passive reception information of user, is difficult to the accurate delivery information of different user and promotes the generation of consumer consumption behavior.
Summary of the invention
The object of the invention is to solve the problem, provide a kind of audio tag application system and method, audio tag technology is utilized contents watching investigation, user behavior analysis to be associated, reduce the cost of the information gatherings such as viewing-data, also coupons propelling movement, online shop guiding are associated, the generation of consumer behavior can be promoted.
Technical scheme of the present invention is: present invention is disclosed a kind of audio tag application system, comprising:
Audio coding apparatus, adopts the frequency band outside auditory perceptual frequency to carry out digital coding to the attribute information of content of multimedia, generates audio tag;
Coding mixing arrangement, is implanted to audio tag in the audio carrier of destination multimedia content, is outwards play by television network broadcast;
Playback terminal, the data after audio reception label and destination multimedia content mix are also play in sound wave mode;
Receiving terminal, is gathered audio tag and carries out decoding process, being returned by communication network decoded audio-tag information, terminal location, terminal time from the sound that playback terminal is play;
Information collection server, receive the data from receiving terminal passback, the corresponding relation according to the audio tag prestored and destination multimedia content judges the content that active user is listening to;
Business performs server, and based on the business rule pre-set, the content listened to according to active user carries out the operation of service layer.
According to an embodiment of audio tag application system of the present invention, the frequency band beyond described auditory perceptual frequency is 14KHz to 16KHz.
According to an embodiment of audio tag application system of the present invention, in described audio identification, also comprise synchrodata.
According to an embodiment of audio tag application system of the present invention, it is contents watching investigation server, user behavior analysis server, coupons push server or online shop guiding server that business performs server.
Present invention further teaches a kind of audio tag application process, comprising:
Adopt the frequency band outside auditory perceptual frequency to carry out digital coding to the attribute information of content of multimedia, generate audio tag;
Audio tag is implanted in the audio carrier of destination multimedia content, is outwards play by television network broadcast;
Data after audio reception label and destination multimedia content mix are also play in sound wave mode;
From the sound wave play, gather audio tag and carry out decoding process, decoded audio-tag information, terminal location, terminal time are returned by communication network;
Receive the data of passback, the corresponding relation according to the audio tag prestored and destination multimedia content judges the content that active user is listening to;
Based on the business rule pre-set, the content listened to according to active user carries out the operation of service layer.
According to an embodiment of audio tag application process of the present invention, the frequency band beyond described auditory perceptual frequency is 14KHz to 16KHz.
According to an embodiment of audio tag application process of the present invention, in described audio identification, also comprise synchrodata.
According to an embodiment of audio tag application process of the present invention, the operation of service layer comprises: contents watching investigation, user behavior analysis, coupons push or online shop guiding.
The present invention contrasts prior art following beneficial effect: the solution of the present invention is by forming audio tag after coding by audio-tag information, mix with the audio frequency in destination multimedia content, existing playback terminal can be utilized after transmission to play, audio tag passes through air borne in the form of sound, do not need to carry out any transformation to existing playback terminal, and playing process sound intermediate frequency label can not be discovered by people's ear, do not affecting the accessible propagation achieving audio-tag information while user appreciates content of multimedia, cost is low, broad covered area, be easy to user accept.
In addition, contents watching investigation, user behavior analysis, coupons are pushed by the application of audio tag by the present invention, and the business activities such as online shop guiding realize tight association, achieve accurate delivery information, promote the effect that consumer behavior occurs.
Accompanying drawing explanation
Fig. 1 shows the structure chart of the preferred embodiment of audio tag application system of the present invention.
Fig. 2 shows the flow chart of the preferred embodiment of audio tag application process of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
the embodiment of audio tag application system
Fig. 1 shows the structure of the preferred embodiment of audio tag application system of the present invention.Refer to Fig. 1, the audio tag application system of the present embodiment comprises: audio coding apparatus 1, coding mixing arrangement 2, playback terminal 3, receiving terminal 4, information collection server 5, business perform server 6.
Audio coding apparatus 1 adopts the frequency band outside auditory perceptual frequency to carry out digital coding to the attribute information of content of multimedia, generates audio tag.Frequency band beyond auditory perceptual frequency is 14KHz to 16KHz.Wherein the attribute information of content of multimedia represents one group of data of content (program, advertisement) feature, as advertised name, name of product, manufacturer etc.Audio tag is made up of one group of character string, and each audio tag certain content attribute information corresponding, such as become by 28 16 system arrays, wherein 16 16 system number corresponding content attribute informations, other 12 16 system numbers are synchrodata.
Audio tag is implanted in the audio carrier of destination multimedia content by coding mixing arrangement 2, is outwards play by television network broadcast, transfers to user place.The audio carrier of destination multimedia content is the audio frequency in the destination multimedia file preparing to broadcast.
Coding mixing arrangement 2 audio tag and the audio frequency in target sound video content is carried out coding mix, undamaged phase-shift coding or superaudio ZAP is adopted to carry out mixing to original audio, after mixed audio frequency of encoding is sounded by the loud speaker of playback terminal, the audio tag in sound can not be discovered by people's ear.The example that superaudio ZAP one is concrete: adopt 14KHz to the 16KHz Supersonic frequency band beyond auditory perceptual frequency, because the cut-off frequency of current audio frequency, stereo set (as microphone, loudspeaker etc.) is generally 16KHz, thus adopt the frequency band range of 14KHz to 16KHz that existing equipment can be used to play audio identification and receive, do not need to transform device hardware, be conducive to reducing costs.Specifically can comprise the digital encoding procedure of content attribute information: working strength 0dBm ~ 15dBm represents the 0x0 ~ 0xF in 16 systems respectively, namely the audio frequency of varying strength is adopted to represent a concrete numeral, intensity changes once every Preset Time (as 10ms), thus multiple numeral is connected in series, realize the coding of content attribute information, a complete attribute information can comprise 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, synchrodata can also be added in above-mentioned audio identification, for receiving the Phase synchronization of collection terminal.The sequence of synchrodata can comprise 12 16 system numbers, and be specially 0x8,0x8,0x8,0x8,0xF, 0xF, 0xF, 0xF, 0x8,0x8,0x8,0x8, this synchrodata sequence can't appear in sequence corresponding to attribute information.In this example, audio identification total duration is 280(16 × 10+12 × 10) ms, comprise the synchrodata that attribute information that 16 16 system arrays become becomes with 12 16 system arrays.When user plays content of multimedia, can synchronously play the audio tag be incorporated in wherein, because the audio tag played out is outside auditory perceptual frequency range, can not be heard by the user, thus can't affect the appreciation of user to content of multimedia itself.Same according to the insensitive principle of the phase shifts of people's ear to audio signal, the injection of audio tag also can be realized by carrying out phase shifts coding to original audio.
Data after playback terminal 3 audio reception label and destination multimedia content mix are also play in sound wave mode.Playback terminal 3 is such as television set, Set Top Box, computer, portable computer, broadcast receiver etc., restores audio-video frequency content, is sent in the form of sound by the loud speaker of audio content by playback terminal 3, propagate in atmosphere.
Receiving terminal 4 gathers audio tag and carries out decoding process from the sound that playback terminal is play, decoded audio-tag information, terminal location, terminal time are passed back to information collection server 5 by communication network (such as the Internet or mobile Internet), and receiving terminal 4 and information collection server 5 realize two-way communication by the Internet or mobile Internet.Receiving terminal 4 is such as smart mobile phone, panel computer etc.Gather sound when content is play by microphone, by the software in receiving terminal 4 audio tag in sound gathered and decode, restoring the content attribute information in audio tag.Such as: in the process receiving and gather audio tag, every 10ms analyzes a frequency spectrum, first carry out synchronous, comprising: (1) finds continuous 4 0x8, enters the phase deviation adjusting stage; (2), after adjustment, receive continuous 4 0xF, enter the phase deviation adjusting stage again; (3) 3 continuous print 0x8 are received.Wherein, in step (1), (2), (3), any one failure, then restart synchronizing process.After synchronously completing, carry out the extraction of attribute information, be specially reading 16 16 system numbers, decode (if there is encryption to it, can also be decrypted) after can obtain the current audio tag watched/listen to of user, by the time system of receiving terminal, GPS navigation system, communication system, audio-tag information, receiving terminal positional information, temporal information, user are registered the integrated informations such as log-on message and send information collection server 5 to by the Internet/mobile Internet.
Information collection server 5 receives the data from receiving terminal passback, and the corresponding relation according to the audio tag prestored and destination multimedia content judges the content that active user is listening to, and the business that is transferred to performs server 6.
Business performs server 6 based on the business rule pre-set, and the content listened to according to active user carries out the operation of service layer.It is contents watching investigation server, user behavior analysis server, coupons push server or online shop guiding servers that business performs server 6.Such as, the statistics of contents watching rate is realized by contents watching investigation server, the analysis of user behavior pattern is realized by user behavior analysis server, realize by coupons push server propelling movement user being carried out to coupons targetedly, realize by online shop guiding server the guiding shopping guide that user enters online shop.
the embodiment of audio tag application process
Fig. 2 shows the flow process of the preferred embodiment of audio tag application process of the present invention.Refer to Fig. 2, here is the detailed description of the implementation step of audio tag application process to the present embodiment.
Step S11: adopt the frequency band outside auditory perceptual frequency to carry out digital coding to the attribute information of content of multimedia, generate audio tag.
Frequency band beyond auditory perceptual frequency is 14KHz to 16KHz.Wherein the attribute information of content of multimedia represents one group of data of content (program, advertisement) feature, as advertised name, name of product, manufacturer etc.Audio tag is made up of one group of character string, and each audio tag certain content attribute information corresponding, such as become by 28 16 system arrays, wherein 16 16 system number corresponding content attribute informations, other 12 16 system numbers are synchrodata.
Step S12: audio tag is implanted in the audio carrier of destination multimedia content, is outwards play by television network broadcast.
Audio tag and the audio frequency in target sound video content are carried out coding mix, undamaged phase-shift coding or superaudio ZAP is adopted to carry out mixing to original audio, after mixed audio frequency of encoding is sounded by the loud speaker of playback terminal, the audio tag in sound can not be discovered by people's ear.The example that superaudio ZAP one is concrete: adopt 14KHz to the 16KHz Supersonic frequency band beyond auditory perceptual frequency, because the cut-off frequency of current audio frequency, stereo set (as microphone, loudspeaker etc.) is generally 16KHz, thus adopt the frequency band range of 14KHz to 16KHz that existing equipment can be used to play audio identification and receive, do not need to transform device hardware, be conducive to reducing costs.Specifically can comprise the digital encoding procedure of content attribute information: working strength 0dBm ~ 15dBm represents the 0x0 ~ 0xF in 16 systems respectively, namely the audio frequency of varying strength is adopted to represent a concrete numeral, intensity changes once every Preset Time (as 10ms), thus multiple numeral is connected in series, realize the coding of content attribute information, a complete attribute information can comprise 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, synchrodata can also be added in above-mentioned audio identification, for receiving the Phase synchronization of collection terminal.The sequence of synchrodata can comprise 12 16 system numbers, and be specially 0x8,0x8,0x8,0x8,0xF, 0xF, 0xF, 0xF, 0x8,0x8,0x8,0x8, this synchrodata sequence can't appear in sequence corresponding to attribute information.In this example, audio identification total duration is 280(16 × 10+12 × 10) ms, comprise the synchrodata that attribute information that 16 16 system arrays become becomes with 12 16 system arrays.When user plays content of multimedia, can synchronously play the audio tag be incorporated in wherein, because the audio tag played out is outside auditory perceptual frequency range, can not be heard by the user, thus can't affect the appreciation of user to content of multimedia itself.Same according to the insensitive principle of the phase shifts of people's ear to audio signal, the injection of audio tag also can be realized by carrying out phase shifts coding to original audio.
Step S13: the data after audio reception label and destination multimedia content mix are also play in sound wave mode.
Restore audio-video frequency content by playback terminal, the loud speaker of audio content by playback terminal is sent in the form of sound, propagates in atmosphere.Playback terminal is such as television set, Set Top Box, computer, portable computer, broadcast receiver etc.
Step S14: gather audio tag and carry out decoding process from the sound wave play, decoded audio-tag information, terminal location, terminal time are returned by communication network.
Gather sound when content is play by microphone, by the software in receiving terminal the audio tag in sound gathered and decode, restoring the content attribute information in audio tag.Such as: in the process receiving and gather audio tag, every 10ms analyzes a frequency spectrum, first carry out synchronous, comprising: (1) finds continuous 4 0x8, enters the phase deviation adjusting stage; (2), after adjustment, receive continuous 4 0xF, enter the phase deviation adjusting stage again; (3) 3 continuous print 0x8 are received.Wherein, in step (1), (2), (3), any one failure, then restart synchronizing process.After synchronously completing, carry out the extraction of attribute information, be specially reading 16 16 system numbers, decode (if there is encryption to it, can also be decrypted) after can obtain the current audio tag watched/listen to of user, by the time system of receiving terminal, GPS navigation system, communication system, audio-tag information, receiving terminal positional information, temporal information, user are registered the integrated informations such as log-on message by the Internet/mobile Internet transmission.
Step S15: the data receiving passback, the corresponding relation according to the audio tag prestored and destination multimedia content judges the content that active user is listening to.
Step S16: based on the business rule pre-set, the content listened to according to active user carries out the operation of service layer.
The operation of service layer comprises: contents watching investigation, user behavior analysis, coupons push or online shop guiding.Such as, the statistics of contents watching rate is realized by contents watching investigation server, the analysis of user behavior pattern is realized by user behavior analysis server, realize by coupons push server propelling movement user being carried out to coupons targetedly, realize by online shop guiding server the guiding shopping guide that user enters online shop.
Carry out for TV station and see TV, guiding shopping with lottery:
TV station is before broadcast content, data record is set up to the attribute information of broadcast content, often organize data record and give 1 audio tag, utilize device of the present invention, the audio tag corresponding to destination multimedia content choice one carries out coding mixing, generates the audio-video frequency content containing audio tag.This content is broadcasted by broadcasting and television network.TV station provides the application software for receiving terminal (smart mobile phone) of the present invention simultaneously, is distributed in internet site, for user's free download.
User passes through publicity or other the channels of TV station, understands and has installed the application software for receiving terminal (smart mobile phone) of the present invention, carrying out user's registration.When user plays the content of TV station by playback terminal, the microphone of the receiving terminal of user synchronously can receive the audio identification of broadcast, because the audio identification played out can not be discovered by people's ear, the appreciation of user to content of multimedia itself thus can't be affected.Software in receiving terminal carries out real-time decoding to the audio tag in sound, restore the information in audio tag, and send audio-tag information, receiving terminal positional information, temporal information to information collection server by the Internet/mobile Internet by the time system of receiving terminal, GPS navigation system, communication system.Store the corresponding relation of audio tag and destination multimedia content in information collection server, after receiving the integrated information sent by the Internet/mobile Internet, information collection server accurately can judge that active user is just in the content of rating.Business performs server according to the business rule arranged in advance, information collecting center is carried out corresponding contents watching rate statistics, user behavior analysis, propelling movement coupons, the online shop shopping guide page at dependent merchandise place is promoted to actions such as users, plays the effect promoting that consumer consumption behavior occurs.
Above-described embodiment is available to those of ordinary skill in the art to realize and uses of the present invention; those of ordinary skill in the art can be without departing from the present invention in the case of the inventive idea; various modifications or change are made to above-described embodiment; thus protection scope of the present invention not limit by above-described embodiment, and should be the maximum magnitude meeting the inventive features that claims are mentioned.
Claims (8)
1. an audio tag application system, comprising:
Audio coding apparatus, adopts the frequency band outside auditory perceptual frequency to carry out digital coding to the attribute information of content of multimedia, generates audio tag;
Coding mixing arrangement, is implanted to audio tag in the audio carrier of destination multimedia content, is outwards play by television network broadcast;
Playback terminal, the data after audio reception label and destination multimedia content mix are also play in sound wave mode;
Receiving terminal, is gathered audio tag and carries out decoding process, being returned by communication network decoded audio-tag information, terminal location, terminal time from the sound that playback terminal is play;
Information collection server, receive the data from receiving terminal passback, the corresponding relation according to the audio tag prestored and destination multimedia content judges the content that active user is listening to;
Business performs server, and based on the business rule pre-set, the content listened to according to active user carries out the operation of service layer.
2. audio tag application system according to claim 1, is characterized in that, the frequency band beyond described auditory perceptual frequency is 14KHz to 16KHz.
3. audio tag application system according to claim 1, is characterized in that, also comprises synchrodata in described audio identification.
4. audio tag application system according to claim 1, is characterized in that, it is contents watching investigation server, user behavior analysis server, coupons push server or online shop guiding server that business performs server.
5. an audio tag application process, comprising:
Adopt the frequency band outside auditory perceptual frequency to carry out digital coding to the attribute information of content of multimedia, generate audio tag;
Audio tag is implanted in the audio carrier of destination multimedia content, is outwards play by television network broadcast;
Data after audio reception label and destination multimedia content mix are also play in sound wave mode;
From the sound wave play, gather audio tag and carry out decoding process, decoded audio-tag information, terminal location, terminal time are returned by communication network;
Receive the data of passback, the corresponding relation according to the audio tag prestored and destination multimedia content judges the content that active user is listening to;
Based on the business rule pre-set, the content listened to according to active user carries out the operation of service layer.
6. audio tag application process according to claim 5, is characterized in that, the frequency band beyond described auditory perceptual frequency is 14KHz to 16KHz.
7. audio tag application process according to claim 5, is characterized in that, also comprises synchrodata in described audio identification.
8. audio tag application process according to claim 5, is characterized in that, the operation of service layer comprises: contents watching investigation, user behavior analysis, coupons push or online shop guiding.
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| CN201310345239.8A CN104349181A (en) | 2013-08-08 | 2013-08-08 | Audio label application system and audio label application method |
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| CN201310345239.8A CN104349181A (en) | 2013-08-08 | 2013-08-08 | Audio label application system and audio label application method |
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| CN104954430A (en) * | 2015-04-24 | 2015-09-30 | 广州市鸣月互联网科技有限公司 | Sound wave based wireless information push method |
| CN105392022A (en) * | 2015-11-04 | 2016-03-09 | 北京符景数据服务有限公司 | Audio watermark-based information interaction method and device |
| CN105635841A (en) * | 2015-12-28 | 2016-06-01 | 北京正奇联讯科技有限公司 | Interaction broadcast control method and system |
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| CN109981721A (en) * | 2018-11-29 | 2019-07-05 | 招商银行股份有限公司 | Information-pushing method, device and computer readable storage medium |
| CN113207046A (en) * | 2021-03-22 | 2021-08-03 | 广东九联科技股份有限公司 | System and method for broadcasting advertisement based on sound wave and set top box |
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Application publication date: 20150211 |