WO2011086264A2 - Procede et systeme de tatouage d'un contenu analogique ou numerique - Google Patents
Procede et systeme de tatouage d'un contenu analogique ou numerique Download PDFInfo
- Publication number
- WO2011086264A2 WO2011086264A2 PCT/FR2010/052770 FR2010052770W WO2011086264A2 WO 2011086264 A2 WO2011086264 A2 WO 2011086264A2 FR 2010052770 W FR2010052770 W FR 2010052770W WO 2011086264 A2 WO2011086264 A2 WO 2011086264A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tattoo
- signal
- content
- audio component
- tattooing
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 58
- 238000001514 detection method Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- INSXAGGBFMXUIH-UHFFFAOYSA-N n-[3-[1-hydroxy-2-(methylamino)ethyl]phenyl]methanesulfonamide;methanesulfonic acid Chemical compound CS(O)(=O)=O.CNCC(O)C1=CC=CC(NS(C)(=O)=O)=C1 INSXAGGBFMXUIH-UHFFFAOYSA-N 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
Definitions
- the invention relates to a method of tattooing analog or digital content. It also relates to a system implementing such a method.
- the field of the invention is the field of tattooing, English waterma rking, an analog or digital content and more particularly an audio or audio visual content.
- analog or digital content is meant any content in the form of an analog or digital signal from a Compact Disc (CD), a Digital Video Disc (DVD), an audio or audiovisual signal in broadcast on a telecommunication network in real time or in deferred or projected in cinemas.
- the methods and systems for tattooing analogue or digital content are intended to include in the content information relating to the content or a natural or legal person possessing intellectual property rights on the content, such as rights authors or other.
- Other methods make it possible to attach to the content concerned information relating to persons who have consulted the content, thereby providing traceability of this content.
- the tattooing of an analogue or digital work is done by inserting, in the analog or digital signal, a name, often representing a code.
- the known tattooing methods make it possible to repeat the code several times in the document so as to reinforce the tattooing of the content, such as for example the tattoo disclosed in WO2009064561.
- the current methods do not allow the owner or the owner of analog or digital content to perform a custom tattoo.
- a main object of the present invention is to overcome the aforementioned drawbacks.
- Another object of the invention is to provide a method and a tattooing system that is both simple to implement and safer than current methods and systems.
- Another object of the invention is to provide a tattooing method and system for realizing the tattoo of analog or digital content of short duration.
- Another object of the invention is to provide a method and tattooing system for performing a more personalized tattoo of an analog or digital content.
- the invention thus proposes a method of tattooing an analogue or digital content comprising at least one audio component, characterized in that it comprises the following steps:
- the method according to the invention advantageously allows a tattoo of an analog or digital content by a tattoo signal consisting of a key signal repeatedly repeated according to a tattoo code. Each user can choose the key signal he wants.
- the method according to the invention provides a tattoo more personalized than the methods and systems of the state of the art.
- the encryption of the tattoo signal using at least one encryption code before the superposition step makes it possible to perform a more secure encryption of the content to be encrypted because, in this way, the encryption code becomes difficult to detect in tattooed content.
- the tattoo code can also be chosen by the user, which makes the tattooing process even more customizable.
- the encryption of the tattoo signal makes it possible to use a sig nalde tato u ga rte of the r ee of the r ee and i nsi to tato uer an analog or digital content of shorter duration compared to the tattooing processes and systems of the tattooing system. state of the art. It is not necessary to encrypt the entire content. However, if the user so desires, such an encryption of the entire contents can also be achieved in a step that can be combined with the steps of the method according to the invention and will then be part of the method according to the invention.
- the method according to the invention therefore makes it possible to securely encrypt analog or digital content while remaining simple to implement.
- the encryption used to encrypt the tattoo signal may be of any known type of encryption.
- the method according to the invention may comprise a superposition of several tattoo signals at the same superposition location in the audio component of the content.
- the method according to the invention may comprise a superposition of four tattoo signals at the same location in the audio component.
- the method according to the invention may further comprise a step of extracting at least one audio component from the content to be tattooed.
- Such an extraction step is carried out when the content to be tattooed comprises several audio components or comprises an audio component associated with another component such as for example a video component or a data or information component.
- the method according to the invention may further comprise the following steps:
- the method according to the invention can be used for tattooing analog or digital content.
- the analog or digital nature of the content can:
- - be indicated by the user or the operator performing the tattoo, or - be detected automatically, either by electronic means, for example acquisition means indicating the nature of the content to be tattooed, or by a computer module performing an analysis the content of the tattooed content or the nature of the means of acquiring the tattooed content.
- the method of the invention may further comprise a power modulation of the tattoo signal as a function of the power of the audio signal at the position in the audio component at which the tattoo signal is superimposed with the audio component.
- Such a modulation makes it possible to adapt the tattoo to the content to be tattooed, over all or part of the duration of the tattooing.
- Such modulation makes it possible to reduce the audio disturbances that can be caused by the superimposing a tattoo signal on an audio component of the tattooed content.
- the method according to the invention may further comprise, upstream of the superposition step, a detection, by analysis of the power of the audio component, of at least one position in the audio component to which the tattoo signal will be superimposed.
- Such detectio n allows you to realize a customized and personalized tattoo for each tattooed content so as to identify the most appropriate positions in this content to superimpose the tattoo signal. The sound disturbances induced by such a superposition are then minimized.
- the method according to the invention may further comprise an insertion, at the beginning of the tattoo signal, of a synchronization preamble for the detection of the tattoo signal at a device receiving the tattooed content.
- This preamble detection facilitates the detection of the tattoo code by a device receiving real-time or delayed tattooed content.
- the tattoo code is a binary code, each bit of this tattoo code modulating an instance of the key signal in the tattoo signal.
- At least two superposition positions in the audio component are associated with at least two tattoo codes, each of these tattoo codes representing information for a remote device receiving tattooed content.
- the analog or digital content can be tattooed at several locations in the audio component.
- the tattoo signal can be obtained by repeating a key signal according to a particular tattoo code.
- the content can be tattooed at four different locations, with a different tattoo code for each location, which represents four tattoo codes.
- Each tattoo code may correspond to a different information, this information being able to correspond, for example, to a command to be executed at the remote device.
- the method according to the invention can thus be used for remote control of equipment receiving tattooed content.
- the method of the invention may further be used for tattooing an analog or digital signal from a Compact Disc (CD), a Digital Video Disc (DVD), an audio signal or audiovisual broadcast on a telecommunications network in real time or deferred or projection in theaters.
- CD Compact Disc
- DVD Digital Video Disc
- a tattooing system for a digital or analog multimedia content comprising at least one audio component, particularly for the implementation of the method according to the invention, characterized in that 'He understands :
- FIG. 1 is a schematic representation of the steps of a tattooing method according to the invention.
- FIG. 2 is a schematic representation of a tattooing system according to the invention.
- FIGS. 3 and 4 are schematic representations of the constitution of one or more different tattoo signals implemented in a method according to the invention.
- FIG. 5 is a schematic representation of the superposition format of a tattoo signal with an audio component of a tattooing content
- FIG. 6 is a schematic representation of an installation implementing the invention for the control of a remote device.
- FIG. 1 is a representation, in the form of a diagram, of the steps of a method of tattooing analog or digital content 102 according to the invention.
- the method shown in FIG. 1 comprises a step 104 for acquiring the analog or digital content to be tattooed.
- the acquisition step 104 is then followed by a step 106 of automatically determining the format of the content to be tattooed 102 by analyzing the content to tattoo. This step 106 is not performed when the format of the content to be tattooed 102 is specified by the user or the operator.
- the method according to the invention comprises a step 108 of converting the content to be tattooed 102 from the digital format to the analog format. Then one step 110 of separating at least one audio component of the content to tattoo 102 is performed.
- the format detection step 106 is followed by the step 110 of separating at least one audio component from the tattooed content 102.
- This step 110 for separating an audio component provides at least one audio component 112 of the tattooed content 102.
- the audio component is then analyzed in a step 114 to determine a suitable location in this audio component for superimposing the tattoo signal on the audio component 112.
- a step 116 determines the power of the tattoo signal for that overlay location so as to minimize noise nuisance that can be introduced by overlaying the tattoo signal with the audio component. at this overlay location.
- a step 118 carries out the constitution of a tattoo signal 120 from a key signal 122 and a tattoo post 124.
- the constitution of the tattoo signal from a key signal and a a tattoo code will be described below with reference to FIG.
- the tattoo signal 120 obtained is then encrypted in step 126 by means of an encryption code 128.
- step 130 the method according to the invention realizes the superposition of the encrypted tattoo signal with the audio component 112 at the superposition location identified in step 114 with a power level for the identified encrypted tattoo signal. at step 116.
- steps 114 to 130 are repeated as many times as desired.
- the tattoo code may be either retained for the purpose of always having the same tattoo signal, or changed. In the latter case, the tattoo sig nal will be different for each tattoo location.
- step 132 the tattooed audio component is inserted into the tattooed content instead of the original audio component and the tattooed content 134 is so constituted.
- This step may include an analog to digital conversion when the tattooing content 102 is digital content.
- the tattooed content 102 may be any content from a medium such as a CD, a DVD, a broadcast television program in real time or delayed, or multimedia content to be broadcast or broadcast in a room. cinema to fight against the piracy of the contents projected in cinemas.
- Figure 2 is a schematic representation of a system 200 according to the invention.
- the system 200 comprises an acquisition module 202 comprising several inputs making it possible to simultaneously acquire several tattooing contents 102.
- the system 200 optionally includes a module 204 for analyzing the contents to be tattooed and for determining the formats of the contents to be tattooed.
- the module 204 is connected to a digital analog converter whose function is to convert the digital contents to tattoo into an analog format.
- the system 200 further comprises a module 206 for separating an audio component from the content to be tattooed 102.
- the audio component is provided to the input of a tattoo location determining module 208 and the intensity of the tattoo signal for each of these locations.
- the determination of the location of each tattoo and the intensity of the tattoo signal for each of these locations is made according to the intensity of the audio component.
- a tattoo signal forming module 210 from a key signal and one or more tattoo codes is connected to an encryption module 212.
- This encryption module 212, the module 206 for separating an audio component and the module 208 for determining the locations and the power of the tattoo signals are connected to a module of superposition 214 whose function is to superpose the tattoo signal or signals with the audio component.
- the tattooed audio component is provided at the input of an analog or digital content reconstruction module 216 which is connected to an analog digital converter 218.
- the digital-to-digital converter 218 and digital analog converter 206 are used only when the tattooed content 102 is in digital format and the tattooed content 134 is to be provided in digital format.
- the tattoo signal 120 is formed from a key signal 120 and a tattoo code 122, which in the present example is a binary code "1 -1 -1 1 1 -1".
- the tattoo signal 120 is composed of the key signal repeated as many times as there are bits in the tattoo code, each repetition being modulated by the corresponding bit.
- the tattoo code includes 6 bits.
- the tattoo signal 120 is thus obtained by 6 repetitions of the key signal 122 modulated by the value of each bit of the tattoo code 124.
- the modulation is obtained by a multiplication of the key signal 122 by means of the bit co rrespon d ant.
- Ai nsi for the first repetition, the value of the bit is "1", so the key signal will be repeated identically.
- the value of the second is "-1", the key signal will be reversed.
- the tattoo signal 120 is obtained by putting end to end all the repetitions of the key signal 122 modulated by each of the bits of the tattoo code 124.
- the method of FIG. 1 may be used to control a remote apparatus receiving the tattooed content 134, such as for example a VCR.
- a remote apparatus receiving the tattooed content 134
- different tattoo codes will be used to modulate the key signal to obtain a different tattoo signal for several tattoo sites in the audio component of the tattoo content.
- This code will correspond to the information on the destination of the remote device or a command from the remote device.
- Each modulation code may correspond to a command from the remote device, such as, for example, the "start recording”, “pause recording” and “stop recording” functions respectively.
- the device can be com nded through a tattooing sys tem that is placed on the com port of the tattooed content.
- An installation implementing such a command is shown in FIG.
- the installation 600 comprises a system 200 as represented in FIG. 2, a device 602 for detecting and controlling the remote device 604.
- the device 602 can either be integrated with the remote apparatus 604 as represented in FIG. 6, or be in communication with the device 604 without being integrated.
- the tattooed content 134 is sent to the remote device 604 through a telecommunications network 606.
- the device 602 detects and extracts the tattoo signals as and when the Tapping the contents tattooed by the remote device 604.
- the device 602 extracts each tattoo code as and when reading. Whenever a tattoo code is extracted, the device 602 checks the function with which this tattoo code is associated and controls the device 604 to trigger the function in question.
- the device 602 commands the remote device 604 to start recording the contents.
- the device 602 detects the code 120b, it commands the remote device 604 to suspend the registration, for example because the tattooed content includes an advertising page.
- the device 602 controls the remote device 604 to stop the recording of the content.
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- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0959443 | 2009-12-22 | ||
FR0959443A FR2954652B1 (fr) | 2009-12-22 | 2009-12-22 | Procede et systeme de tatouage d'un contenu analogique ou numerique. |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011086264A2 true WO2011086264A2 (fr) | 2011-07-21 |
WO2011086264A3 WO2011086264A3 (fr) | 2011-11-17 |
Family
ID=42097067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2010/052770 WO2011086264A2 (fr) | 2009-12-22 | 2010-12-16 | Procede et systeme de tatouage d'un contenu analogique ou numerique |
Country Status (2)
Country | Link |
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FR (1) | FR2954652B1 (fr) |
WO (1) | WO2011086264A2 (fr) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009064561A1 (fr) | 2007-11-12 | 2009-05-22 | Nielsen Media Research, Inc. | Procédés et dispositifs pour effectuer le tatouage audio et la détection et l'extraction de tatouage |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002039739A1 (fr) * | 2000-11-08 | 2002-05-16 | Koninklijke Philips Electronics N.V. | Procede et dispositif permettant de communiquer un ordre |
US20040030900A1 (en) * | 2001-07-13 | 2004-02-12 | Clark James R. | Undetectable watermarking technique for audio media |
US20060239501A1 (en) * | 2005-04-26 | 2006-10-26 | Verance Corporation | Security enhancements of digital watermarks for multi-media content |
-
2009
- 2009-12-22 FR FR0959443A patent/FR2954652B1/fr not_active Expired - Fee Related
-
2010
- 2010-12-16 WO PCT/FR2010/052770 patent/WO2011086264A2/fr active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009064561A1 (fr) | 2007-11-12 | 2009-05-22 | Nielsen Media Research, Inc. | Procédés et dispositifs pour effectuer le tatouage audio et la détection et l'extraction de tatouage |
Also Published As
Publication number | Publication date |
---|---|
WO2011086264A3 (fr) | 2011-11-17 |
FR2954652A1 (fr) | 2011-06-24 |
FR2954652B1 (fr) | 2012-02-24 |
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