CN102867515A - Method for authenticating digital audio copyright through digital watermarking - Google Patents
Method for authenticating digital audio copyright through digital watermarking Download PDFInfo
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- CN102867515A CN102867515A CN2012100375450A CN201210037545A CN102867515A CN 102867515 A CN102867515 A CN 102867515A CN 2012100375450 A CN2012100375450 A CN 2012100375450A CN 201210037545 A CN201210037545 A CN 201210037545A CN 102867515 A CN102867515 A CN 102867515A
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Abstract
The invention relates to a method for authenticating digital audio copyright through digital watermarking, which solves the problem that the digital audio copyright in the prior art can not be protected. The invention discloses an existing government file-based system. The method comprises the steps: implanting digital audio watermarking in the intermediate link, conducting transcoding processing, effectively binding an audio source with the basic information of the file, conducting supervision and inspection on an sp service provider through a detection terminal so as to prompt standardization of digital music market, so that the technical effect of effectively protecting digital audio copyright can be achieved.
Description
Technical field
The present invention relates to a kind of digital watermark method, relate in particular to a kind of method that digital watermarking authenticates the DAB copyright of passing through that conventional audio frequency is embedded and detects digital watermarking.
Background technology
Development along with computer network and multimedia information, become possibility so that make quickly and easily, edit, copy and transmit various undistorted digital products, such as digitized image, video, audio frequency, software, figure, animation and text etc.This brings convenience to people, has also brought simultaneously many serious safety problems.For example, the illegal copies of the piracy of the copyright protection of digital media products, software product, digital document, various numerical informations distorts etc.
For the problems referred to above, the initial idea of people is to seek help from cryptography.Cryptography is the most frequently used method of protection digital media content.Digital content was encrypted first before sending, and legal user can utilize key to come the enabling decryption of encrypted file.For the disabled user, there is not key file utterly useless.Yet cryptographic system can be protected the transmission of content, but can't follow the tracks of the content after how legitimate consumer processes deciphering.In addition, the file after the encryption is because unintelligible and hindered the propagation of digital information.Hence one can see that, and cryptographic means exists certain defective.For this reason, people begin to seek new solution and replenish cryptographic system, make content after deciphering, still can be protected.
Along with the further investigation to these problems, digital watermarking (Digital Watermarking) technology has produced, and it belongs to the scope of Information Hiding Techniques (Data Hiding), and initial purpose is the additional way as the protection digital publishing rights.Because watermark information places among the content of protecting, when normal the use, also can not be removed, so digital watermark may satisfy above-mentioned requirements.
Digital watermark technology utilizes the redundant information that exists in the multimedia messages and the characteristic of human perception system, is hidden in the multimedia messages in lower extra information of the prerequisite that does not affect original multimedia messages form and quality (being watermark).Digital watermarking is an emerging research field that multidisciplinary height intersects, and it has related to the multi-door subjects such as signal processing, cryptography, mathematical theory, communication theory, coding theory, data compression and human tin theories of vision.The proposition of digital watermarking is in order to protect copyright, yet along with the development of digital watermark, it has been found that the more wider application of watermark.At present, the application of digital watermark technology can be divided into substantially copyright protection, digital finger-print, authentication and completeness check, content identification and hide several aspects such as sign, use control, covert communications.
Summary of the invention
The invention discloses a kind of method that the DAB copyright is authenticated by digital watermarking, in order to solve the problem that the DAB copyright can not get protecting in the prior art.
Above-mentioned purpose of the present invention is achieved through the following technical solutions:
A kind of method that the DAB copyright is authenticated by digital watermarking wherein, comprising:
Obtain the DAB source file, in server, add the record information of corresponding DAB source file, upload the audio-source file to server, the DAB source file is carried out watermark and transcoding, deposit music storehouse in, and generate corresponding download link;
Digital audio file in the music storehouse is examined, generated the audit state;
Digital audio file in the music storehouse is classified, generate accordingly tabulation, so that the user search DAB;
Generation is about the historical record about digital audio file;
Obtain the watermark of digital audio file in the client, upload onto the server, compare with record information in the database of server, comparing result is fed back to client.
The aforesaid method that the DAB copyright is authenticated by digital watermarking wherein, comprising:
Obtain the DAB source file by physical equipment from DAB provider, wherein, the DAB source file comprises the audio file of high-quality original audio file and common quality;
In server, add the record information of corresponding DAB source file;
Upload the DAB source file of appointment to server, and the tabulation of putting on record that the DAB source file is uploaded in modification, increase watermark and transcoding state, and mark watermark and transcoding state be not for beginning;
The DAB source file is carried out watermark and transcoding, finish the tabulation of putting on record of revising the DAB source file behind the transcoding, mark watermark and transcoding state are for finishing;
Deposit the DAB source file of finishing watermark and transcoding in music storehouse;
And generating corresponding download link, clickthrough is downloaded the digital audio file in the music storehouse.
The aforesaid method that the DAB copyright is authenticated by digital watermarking wherein, is examined specifically the digital audio file in the music storehouse and to be comprised: behind the digital audio file warehouse-in, is defaulted as newly-increased state; Digital audio file is examined; If by after music file be set to examine state, otherwise, directly lock music file.
The aforesaid method that the DAB copyright is authenticated by digital watermarking wherein, comprising:
The record information of the digital audio file that enters music storehouse is carried out perfect, afterwards, digital audio file is classified, generate taxonomy database, and the music of new warehouse-in is put in the classification;
Search for according to song ID, song title, singer, album name respectively, obtain comprising the Search Results of song ID, song title, singer, album name, file path, state, operation;
The song title of clicking in the Search Results is downloaded song;
Clicking the menu that details appear comprising in Search Results, click details and check the music details, also comprise the option that is made as pending trial in the operation, click and be made as pending trial, is pending with the status modifier of digital audio file.
The aforesaid method that the DAB copyright is authenticated by digital watermarking, wherein, obtain the watermark of digital audio file by the client embedded software, the watermark that the client embedded software is detected uploads onto the server, server is comparing in the watermark of uploading up and the data, and the result returned to client, client shows final result.
The aforesaid method that the DAB copyright is authenticated by digital watermarking, wherein, at the server apparatus of client embedding for detection of the digital audio file watermark, be connected with client, detect by the digital audio file of server apparatus to client, obtain the watermark in the digital audio file, the watermark that the client embedded software is detected uploads onto the server, server is comparing in the watermark of uploading up and the database, and the result returned to client, client shows final result.
The aforesaid method that the DAB copyright is authenticated by digital watermarking, wherein, the sound card filter that carries by the use system intercepts the output stream of current sound card, and it is quiet setting simultaneously microphone; In client, generate a self-defined filter, calculate in the audio stream that current sound card plays by self-defined filter and have or not watermark information, if watermark information is arranged, then upload onto the server, otherwise, no-watermark information shown in client.
The aforesaid method that the DAB copyright is authenticated by digital watermarking wherein, detects the digital audio file in the client by the random site watermark detection algorithms, obtains the watermark information of digital audio file.
The aforesaid method that the DAB copyright is authenticated by digital watermarking, wherein, original high quality audio file is WAV form and APE form, the audio file of common quality is supported MP3 format.
The aforesaid method that the DAB copyright is authenticated by digital watermarking, wherein, record information comprises: Start Date, mandate Close Date, song title, date of approval, album name, singer, composition people, arranger, song distributing and releasing corporation, song classification (Main classification, mood, occasion, absolute music, region, classical old song), music distribution time, selection music file are weighed, are authorized in song number, CP numbering, SP numbering, authorization privilege, audition power, download.
In sum; owing to adopted technique scheme; the method that the present invention authenticates the DAB copyright by digital watermarking has solved the problem that the DAB copyright can not get protecting in the prior art; disclose a kind of based on the system that puts on record of existing government; the present invention adds digital audio frequency watermark in intermediate link and implants; transcoding is processed; audio-source is effectively bundled with the essential information of putting on record; pass through sense terminals; to the inspection that exercises supervision of sp service provider; impel the standardization of digital music market, thereby reach the technique effect of effective protection DAB copyright.
Description of drawings
Fig. 1 is the method transcoding process flow diagram that the present invention authenticates the DAB copyright by digital watermarking;
The embed watermark process flow diagram of Fig. 2 method that to be the present invention authenticate the DAB copyright by digital watermarking;
The watermark detection client process flow diagram of Fig. 3 method that to be the present invention authenticate the DAB copyright by digital watermarking;
The sound card intercepting audio stream of Fig. 4 method that to be the present invention authenticate the DAB copyright by digital watermarking detects the watermark process flow diagram.
Embodiment
According to claim of the present invention and the disclosed content of summary of the invention, technical scheme of the present invention is specific as follows described:
The invention discloses a kind of method that the DAB copyright is authenticated by digital watermarking, wherein, comprising:
Step 1:
Obtain the DAB source file, in server, add the record information of corresponding DAB source file, upload the audio-source file to server, the DAB source file is carried out watermark and transcoding, deposit music storehouse in, and generate corresponding download link;
Further, on the basis of technique scheme, the present invention can obtain the DAB source file from DAB provider by physical equipment, and wherein, the DAB source file comprises the audio file of high-quality original audio file and common quality;
Original high quality audio file is WAV form and APE form, and the audio file of common quality is supported MP3 format.
In server, add the record information of corresponding DAB source file;
Upload the DAB source file of appointment to server, and the tabulation of putting on record that the DAB source file is uploaded in modification, increase watermark and transcoding state, and mark watermark and transcoding state be not for beginning;
The DAB source file is carried out watermark and transcoding, finish the tabulation of putting on record of revising the DAB source file behind the transcoding, mark watermark and transcoding state are for finishing;
Deposit the DAB source file of finishing watermark and transcoding in music storehouse;
And generating corresponding download link, clickthrough is downloaded the digital audio file in the music storehouse.
In one embodiment of the invention, step 1 of the present invention specifically can be by the following technical solutions:
Fig. 1 is the method transcoding process flow diagram that the present invention authenticates the DAB copyright by digital watermarking, and the embed watermark process flow diagram of Fig. 2 method that to be the present invention authenticate the DAB copyright by digital watermarking sees also Fig. 1, Fig. 2,
Step (1-1) digital music provider provides the audio file of high-quality original audio file and common quality by physical equipment (hard disk, USB flash disk).General, original high quality audio file is WAV form and APE form, and the audio file of common quality is supported MP3 format, and described audio file is digital audio file;
Step (1-2) is added record information in system.Record information comprises: Start Date, mandate Close Date, song title, date of approval, album name, singer, composition people, arranger, song distributing and releasing corporation, song classification (Main classification, mood, occasion, absolute music, region, classical old song), music distribution time, selection music file are weighed, are authorized in song number, CP numbering, SP numbering, authorization privilege, audition power, download;
Step (1-3) is uploaded the music file of appointment.The form refer step (1-1) of music file;
After step (1-4) was uploaded the music success, system can automatically jump to put on record and do tabulation, and watermark and transcoding state are not initial state;
The music that step (1-5) is uploaded has at this moment entered formation, waiting for server end transcoding and watermark.Roughly after the 2-3 minutes, this music is finished transcoding and watermark at server end, refreshes current page and can see watermark and transcoding and finish;
The concert that step (1-6) is finished watermark and transcoding this moment removed in " put on record and doing tabulation ", was presented in " song library management-bent storehouse tabulation " page;
Step (1-7) simultaneously this record information can be kept in the historical query tabulation of putting on record;
Step (1-8) is clicked and can be downloaded such as the audio file in the file path in figure below, and same, the music file of downloading a first wav form also needs 15-25 second.
Step 2:
Digital audio file in the music storehouse is examined, generated the audit state;
Digital audio file in the music storehouse examined specifically comprise: behind the digital audio file warehouse-in, be defaulted as newly-increased state; Digital audio file is examined; If by after music file be set to examine state, otherwise, directly lock music file.
In one embodiment of the invention, step 2 of the present invention specifically can adopt following technical scheme:
Behind step (2-1) the music file warehouse-in, be defaulted as newly-increased state;
Step (2-2) notifies the keeper to examine;
Step (2-3) by after music file be set to examine state;
The unsanctioned words of step (2-4) directly lock music file.
Step 3:
Digital audio file in the music storehouse is classified, generate accordingly tabulation, so that the user search DAB;
The record information of the digital audio file that enters music storehouse is carried out perfect, afterwards, digital audio file is classified, generate taxonomy database, and the music of new warehouse-in is put in the classification;
Record information comprises: Start Date, mandate Close Date, song title, date of approval, album name, singer, composition people, arranger, song distributing and releasing corporation, song classification (Main classification, mood, occasion, absolute music, region, classical old song), music distribution time, selection music file are weighed, are authorized in song number, CP numbering, SP numbering, authorization privilege, audition power, download.
Search for according to song ID, song title, singer, album name respectively, obtain comprising the Search Results of song ID, song title, singer, album name, file path, state, operation;
The song title of clicking in the Search Results is downloaded song;
Clicking the menu that details appear comprising in Search Results, click details and check the music details, also comprise the option that is made as pending trial in the operation, click and be made as pending trial, is pending with the status modifier of digital audio file.
In one embodiment of the invention, step 3 of the present invention specifically can adopt following technical scheme:
Step (3-1) Classification Management.Add, revise, delete the classification of music and record company, and the music of new warehouse-in is put in the classification.
According to song ID, song title, singer, album name search song, search result out is song ID, song title, singer, album name, file path, state, operation to step (3-2) respectively.
Step (3-3) is clicked song title and is downloaded song.
" details " that step (3-4) is clicked in " operation " check the music details, and " being made as pending trial " in the click " operation " changes the state of music into " pending "
Step 4:
Generation is about the historical record about digital audio file;
Further, step 4 specifically can adopt: step (4-1) is respectively by finding UP_ID, song title, transfer time the daily record of bent storehouse change state
Completing steps one obtains the watermark of digital audio file in the client to step 4, upload onto the server, and compares with record information in the database of server, and comparing result is fed back to client.
Wherein, obtain the watermark of digital audio file in the client among the present invention and can adopt at least four kinds of methods, be specially:
Method one:
Obtain the watermark of digital audio file by the client embedded software, the watermark that the client embedded software is detected uploads onto the server, comparing in the watermark that the server handle is uploaded up and the database, and the result is returned to client, client shows final result.
Method one specifically can be by the following technical solutions:
The watermark detection client process flow diagram of Fig. 3 method that to be the present invention authenticate the DAB copyright by digital watermarking sees also Fig. 3;
Method (1-1) is opened WaterMark software;
Method (1-3) is clicked " select File ", and definite file that will detect chooses rear click to open;
Method (1-4) is clicked " beginning to detect ", and be about 20 seconds the detection time of an average song, and select File detects in batches;
Method (1-5) convert file form converts the audio formats such as mp3 to the wav form;
Method (1-6) is utilized watermark detection algorithms to the form after converting, wherein watermark extracting out;
Method (1-7) utilizes the watermark that detects http to upload onto the server;
Comparing in the watermark that method (1-8) server handle is uploaded up and the database, and the result is returned to client;
Method (1-9) client is shown to the user to final result according to the return results of server.
Method two:
At the server apparatus of client embedding for detection of the digital audio file watermark, be connected with client, detect by the digital audio file of server apparatus to client, obtain the watermark in the digital audio file, the watermark that the client embedded software is detected uploads onto the server, comparing in the watermark of uploading up and the database, and the result is returned to client by server, client shows final result.
Method two specifically can be by the following technical solutions;
Method (2-1) makes up one and is specifically designed to the server apparatus that detects watermark, and rack highly is 1U, can be easily installed in the standard cabinet.
Circuit in method (2-2) server apparatus is a simplest circuit that utilizes dsp chip to build, and reserved memory, NANDFlash, mixed-media network modules mixed-media get final product.Why using dsp chip, is in order to utilize the quick single computing power of DSP, to tell the algorithm routine of carrying out the detection watermark.
Program in method (2-3) server hardware receives the networking command request of client or server transmission constantly.
After method (2-4) server hardware receives order, by the detected audio file of Telefile locking, and download among the own NANDFlash buffer memory once, then high-speed computation, whether detection has watermark.
Method (2-5) is returned testing result by network
HASH value and the watermark value write-back storehouse of the detected file of method (2-6), just need not recomputate next time.
The music file of the buffer memory among method (2-7) the deletion NANDFlash.
Method three:
The sound card filter that carries by the use system intercepts the output stream of current sound card, and it is quiet setting simultaneously microphone; In client, generate a self-defined filter, calculate in the audio stream that current sound card plays by self-defined filter and have or not watermark information, if watermark information is arranged, then upload onto the server, otherwise, no-watermark information shown in client.
Method three specifically can be by the following technical solutions
The sound card intercepting audio stream of Fig. 4 method that to be the present invention authenticate the DAB copyright by digital watermarking detects the watermark process flow diagram, sees also Fig. 4,
Method (3-1) is utilized the Directshow kit, and the sound card Capture filter that the use system carries intercepts the output stream of current sound card, and it is quiet setting simultaneously microphone.
Method (3-2) is write a self-defined filter, utilizes the algorithm of step (5), calculates in the audio stream that current sound card plays to have or not watermark information.
Method four:
By the random site watermark detection algorithms digital audio file in the client is detected, obtain the watermark information of digital audio file.
Method four specifically can be by the following technical solutions;
Method (4) random site watermark detection algorithms.
Further, adopt other method of obtaining watermark also should be encompassed in the protection domain of technical scheme of the present invention.
In sum; owing to adopted technique scheme; the method that the present invention authenticates the DAB copyright by digital watermarking has solved the problem that the DAB copyright can not get protecting in the prior art; disclose a kind of based on the system that puts on record of existing government; the present invention adds digital audio frequency watermark in intermediate link and implants; transcoding is processed; audio-source is effectively bundled with the essential information of putting on record; pass through sense terminals; to the inspection that exercises supervision of sp service provider; impel the standardization of digital music market, thereby reach the technique effect of effective protection DAB copyright.
It should be appreciated by those skilled in the art that those skilled in the art can realize described variation example in conjunction with prior art and above-described embodiment, do not repeat them here.Such variation example does not affect flesh and blood of the present invention, does not repeat them here.
More than preferred embodiment of the present invention is described.It will be appreciated that the present invention is not limited to above-mentioned particular implementation, the equipment of wherein not describing in detail to the greatest extent and structure are construed as with the common mode in this area to be implemented; Any those of ordinary skill in the art, do not breaking away from the technical solution of the present invention scope situation, all can utilize method and the technology contents of above-mentioned announcement that technical solution of the present invention is made many possible changes and modification, or being revised as the equivalent embodiment of equivalent variations, this does not affect flesh and blood of the present invention.Therefore, every content that does not break away from technical solution of the present invention according to any simple modification, equivalent variations and the modification that technical spirit of the present invention is done above embodiment, all still belongs in the scope of technical solution of the present invention protection.
Claims (10)
- One kind by digital watermarking to the method that the DAB copyright authenticates, it is characterized in that, comprising:Obtain the DAB source file, in server, add the record information of corresponding DAB source file, upload the audio-source file to server, the DAB source file is carried out embed watermark and transcoding, deposit music storehouse in, and generate corresponding download link;Digital audio file in the music storehouse is examined, generated the audit state;Digital audio file in the music storehouse is classified, generate accordingly tabulation, so that the user search DAB;Generation is about the historical record about digital audio file;Client is obtained the watermark in the digital audio file, uploads onto the server, and compares with record information in the database of server, and comparing result is fed back to client.
- According to claim 1 by digital watermarking to the method that the DAB copyright authenticates, it is characterized in that, comprising:Obtain the DAB source file by physical equipment from DAB provider, wherein, the DAB source file comprises the audio file of high-quality original audio file and common quality;In server, add the record information of corresponding DAB source file;Upload the DAB source file of appointment to server, and the tabulation of putting on record of uploading the DAB source file is made amendment, increase watermark and transcoding state, and mark watermark and transcoding state be not for beginning;The DAB source file is carried out watermark and transcoding, finish the tabulation of putting on record of revising the DAB source file behind the transcoding, mark watermark and transcoding state are for finishing;Deposit the DAB source file of finishing watermark and transcoding in music storehouse;And generating corresponding download link, clickthrough is downloaded the digital audio file in the music storehouse.
- According to claim 1 by digital watermarking to the method that the DAB copyright authenticates, it is characterized in that, the digital audio file in the music storehouse examined specifically comprised: behind the digital audio file warehouse-in, be defaulted as newly-increased state; Digital audio file is examined; If by after music file be set to examine state, otherwise, directly lock music file.
- According to claim 1 by digital watermarking to the method that the DAB copyright authenticates, it is characterized in that, comprising:The record information of the digital audio file that enters music storehouse is carried out perfect, afterwards, digital audio file is classified, generate taxonomy database, and the music of new warehouse-in is put in the classification;Search for according to song ID, song title, singer, album name respectively, obtain comprising the Search Results of song ID, song title, singer, album name, file path, state, operation;The song title of clicking in the Search Results is downloaded song;Clicking the menu that details appear comprising in Search Results, click details and check the music details, also comprise the option that is made as pending trial in the operation, click and be made as pending trial, is pending with the status modifier of digital audio file.
- 5. the method that the DAB copyright is authenticated by digital watermarking according to claim 1, it is characterized in that, obtain the watermark of digital audio file by the client embedded software, the watermark that the client embedded software is detected uploads onto the server, by server comparing in the watermark of uploading up and the database, and the result returned to client, client shows final result.
- 6. the method that the DAB copyright is authenticated by digital watermarking according to claim 1, it is characterized in that, the equipment that is embedded in for detection of the digital audio file watermark at server detects by the digital audio file of server apparatus to client, obtain the watermark in the digital audio file, the watermark that the client embedded software is detected uploads onto the server, server is comparing in the watermark of uploading up and the database, and the result returned to client, client shows final result.
- According to claim 1 or 5 arbitrary described by digital watermarking to the method that the DAB copyright authenticates, it is characterized in that the sound card filter that carries by the use system intercepts the output stream of current sound card, it is quiet setting simultaneously microphone; In client, generate a self-defined filter, calculate in the audio stream that current sound card plays by self-defined filter and have or not watermark information, if watermark information is arranged, then upload onto the server, otherwise, no-watermark information shown in client.
- According to claim 1 by digital watermarking to the method that the DAB copyright authenticates, it is characterized in that, by the random site watermark detection algorithms digital audio file in the client is detected, obtain the watermark information of digital audio file.
- According to claim 2 by digital watermarking to the method that the DAB copyright authenticates, it is characterized in that original high quality audio file is WAV form and APE form, the audio file of common quality is supported MP3 format.
- 10. the method that the DAB copyright is authenticated by digital watermarking according to claim 2, it is characterized in that record information comprises: Start Date, mandate Close Date, song title, date of approval, album name, singer, composition people, arranger, song distributing and releasing corporation, song classification (Main classification, mood, occasion, absolute music, region, classical old song), music distribution time, selection music file are weighed, are authorized in song number, CP numbering, SP numbering, authorization privilege, audition power, download.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210037545.0A CN102867515B (en) | 2012-02-20 | 2012-02-20 | By digital watermarking, digital audio copy is carried out to the method for certification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210037545.0A CN102867515B (en) | 2012-02-20 | 2012-02-20 | By digital watermarking, digital audio copy is carried out to the method for certification |
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| CN102867515B CN102867515B (en) | 2016-02-24 |
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| CN103425920A (en) * | 2013-08-26 | 2013-12-04 | 江苏物联网研究发展中心 | Audio information-based database security access control method of digital watermark |
| CN103425906A (en) * | 2013-08-02 | 2013-12-04 | 汪家祥 | Electronic copyright management method and trading method of client terminal and server based on equipment |
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