CN103985388A - Intelligent audio scrambling method and control device - Google Patents
Intelligent audio scrambling method and control device Download PDFInfo
- Publication number
- CN103985388A CN103985388A CN201410152994.9A CN201410152994A CN103985388A CN 103985388 A CN103985388 A CN 103985388A CN 201410152994 A CN201410152994 A CN 201410152994A CN 103985388 A CN103985388 A CN 103985388A
- Authority
- CN
- China
- Prior art keywords
- scrambling
- audio
- numbers
- unique number
- ordered series
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses an intelligent audio scrambling method and a control device. The intelligent audio scrambling method is characterized by comprising the steps of setting a unique number comprising verification information for audio data to be scrambled, generating the related scrambling sequence of numbers through computation according to the unique number, mixing the unique number and the scrambling sequence of numbers with the unscrambled audio in an audio coding mode to enable a large amount of irregular noise interference to be generated when the scrambled audio is played and not to be removed. The intelligent audio scrambling control device can acquire and verify the unique number through the intelligent audio scrambling method and generate the same scrambling sequence of numbers, the coded audio of the scrambling sequence of numbers is synthesized into the scrambled audio after negation, the audio of the scrambling sequence of numbers and the reversed audio of the scrambling sequence of numbers cancel each other out, and therefore, the original unscrambled audio is restored. Furthermore, a multi-tone multi-frequency audio coding mode is adopted.
Description
Technical field
The present invention relates to a kind of audio identification, false proof and intelligent audio intelligent method for scrambling and control device that adds descrambling of strengthening, it is characterized in that, by in acouesthesia region and the multitone multi-frequency combination with anharmonic wave relation produce jamproof tape verifying audio frequency unique number and scrambling ordered series of numbers, insert in audio frequency, with unique number, the copyright information of description audio with carry out noise.
Background technology
Common audio file is in the time playing, and external system cannot be known its source and copyright information, cannot carry out easily false proof and copyright information and effectively identify, and also just cannot carry out independent third party's broadcasting statistics and copyright authorization.
By embedding the unique number of audio coding and relevant scrambling ordered series of numbers, can not revise former playout software or change under the prerequisite of playback equipment, in audio frequency, increase unique number, copyright information and the interfering noise of description audio signal, the independent third party's reduction apparatus ability normal play that makes it must use appointment.Reduction apparatus is serially connected in voice band line, can identify the ID of song, uploads to network and adds up or authorize, and after authorized, carries out noise elimination output by corresponding special algorithm.Can realize so effective copyright protection and play statistics, can also increase the special efficacy instruction of controlling outside special effect device, bringing the complete new experience of audio frequency special efficacy.
Summary of the invention
The invention discloses a kind of audio intelligent method for scrambling, it is characterized in that, the voice data of wanting scrambling is set to the unique number that comprises check information, according to unique number, generate the scrambling ordered series of numbers changing by mathematical operation, unique number and scrambling ordered series of numbers adopt audio coding mode to be mixed in the audio frequency of not scrambling, while making the audio frequency broadcasting after scrambling, have a large amount of irregular scrambling noise jamming and cannot eliminate; In the time that needs are eliminated scrambling noise, use described audio intelligent method for scrambling in the time playing, can obtain and verify equally unique number, and generate same scrambling ordered series of numbers, after the audio coding negate of scrambling ordered series of numbers, synthesize in the audio frequency of scrambling, scrambling ordered series of numbers audio frequency and reverse scrambling ordered series of numbers audio frequency are cancelled out each other, and just can restore original not scrambling audio frequency.
Owing to oppositely offsetting and needing precise time synchronous, therefore oppositely the audio coding of scrambling ordered series of numbers and the incorporation time of former audio plays are extremely important, by obtaining form and the coding mode of audio frequency, can mix accurately control.So for nonstandard audio format, can the form of audio plays can be determined by increase descriptor in unique number.
Described audio intelligent method for scrambling, is characterized in that, described mathematical operation is hash algorithm and/or cryptographic algorithm.The pseudo random number algorithm that conventionally also can use operation result to be consistent generates scrambling ordered series of numbers, also belongs to cryptographic algorithm for the pseudo-random algorithm that can calculate forward, and the feature of cryptographic algorithm is reducible; Belong to hash algorithm for the pseudo-random algorithm that can not calculate forward, although cannot reduce raw data, the result that continues computing remains definite.
Described audio intelligent method for scrambling, is characterized in that, described unique number is inserted in voice data in the mode constantly repeating, and makes to intercept one section of audio frequency that comprises unique number data arbitrarily, can obtain and verify unique number.
Described audio intelligent method for scrambling, it is characterized in that, described unique number is inserted in voice data in the mode constantly repeating, and also comprise current time shaft position below, like this according to current time shaft position, corresponding scrambling ordered series of numbers position can be found, scrambling noise can be effectively eliminated by the pattern of carrying out the negate mixing of scrambling ordered series of numbers position.
Described audio intelligent method for scrambling, it is characterized in that, described audio coding mode adopts the audio coding mode of dual tone multiple frequency, foundation characteristic frequency is made up of a high frequency group and a low frequency group, in high frequency group and low frequency group, respectively comprise some sound signals that possess characteristic frequency that mutually do not have harmonic relationships, a coded identification of sound signal stack composition of the sound signal of a high frequency group and a low frequency group, multiple coded identification composition unique number and scrambling ordered series of numbers.
The dual tone multiple frequency of standard is exactly the dtmf signal of dialing, because being difficult to send two of whiles, nature there is no homophonic mixing sound, therefore having stronger anti-interference, is fixing and transparent but the shortcoming of dtmf signal is frequency, is therefore easy to be reversed elimination.Only have and adopt the mixing sound changing, with regard to None-identified and having eliminated.So comprise a large amount of frequencies in described high frequency group and low frequency group, the possibility of combination is very large, crack difficulty just larger.
Described audio intelligent method for scrambling, it is characterized in that, described audio coding mode adopts the audio coding mode of multitone multifrequency, foundation characteristic frequency is made up of more than one high frequency group and/or more than one low frequency group, in high frequency group and low frequency group, respectively comprise some sound signals that possess characteristic frequency that mutually do not have harmonic relationships, the sound signal of multiple high frequency groups and/or a coded identification of the sound signal of multiple low frequency groups stack composition, multiple coded identification composition unique number and scrambling ordered series of numbers.
The combination of multiple high frequency groups and low frequency group reaches magnanimity scale, almost cannot crack.
Described audio intelligent method for scrambling, is characterized in that, described unique number and scrambling ordered series of numbers can be encrypted respectively, only in the situation that paying, could activate identification.
The invention also discloses a kind of audio intelligent scrambling control device, it is characterized in that, be serially connected in voice-frequency channel, input end access carries out by unique number and relevant scrambling ordered series of numbers thereof the audio plays that scrambling was processed, obtain and verify the unique number of institute's audio plays by described audio intelligent method for scrambling, upload to network, and after obtaining the authorization, generate same scrambling ordered series of numbers, described audio intelligent scrambling control device will synthesize in audio plays after the audio coding negate of scrambling ordered series of numbers, scrambling ordered series of numbers audio frequency and reverse scrambling ordered series of numbers audio frequency are cancelled out each other, restore original not scrambling audio frequency, through output terminal output.
Described audio intelligent scrambling control device, is characterized in that, described audio intelligent scrambling control device carries amplifier, can directly export the descrambling sound signal of amplification to loudspeaker, inner integral speakers simultaneously, and also directly the machine is play.
Described audio intelligent scrambling control device, is characterized in that, described audio intelligent scrambling control device is integrated playing device, and directly the machine audio plays carries display device simultaneously, can carry out audio video synchronization broadcasting.
Described audio intelligent scrambling control device, is characterized in that possessing the decipher function of unique number and scrambling ordered series of numbers, in the situation that having ready conditions or pay, could activate identification.
Encryption and decryption mode adopts one or more patterns in the combination of symmetry algorithm, asymmetric arithmetic, symmetry algorithm and asymmetric arithmetic to be encrypted, and key is taked random number or different keys independently separately, and one-time pad, ensures cipher round results.
Brief description of the drawings
Nothing
Embodiment
Audio intelligent method for scrambling embodiment of the present invention is, first choose high frequency group and low frequency group, according to human auditory model, choose in acouesthesia region, and there is the multitone multifrequency of anharmonic wave relation, by combination high-frequency signal and low frequency signal, produce multitone as coded identification, then according to special audio, increase customization, the unique number that comprises tape verifying information, timing node, configuration information, is embedded in audio frequency as digital watermarking, or as independent digital document according to audio file ID Auto-matching.
As long as comprise unique number in sound signal, just can obtain the authorization from line server by unique number, control audio intelligent scrambling control device and carry out descrambling.Line server can also add up and send abundanter relevant control instruction and descrambling plug-in arrives decoding device.
This intelligent method for scrambling method, compatible multiple audio frequency and video playout software, can not revise under the prerequisite of playout software, only in audio frequency, mix unique multitone multifrequency audio coding signal with anti-interference function, just can realize the encryption control to audio frequency and the descrambling of having ready conditions.By the mobile phone of the audio identification software corresponding with audio intelligent method for scrambling is installed, just can identify program copyright and the reduction audio-frequency information of having ready conditions simultaneously.
Claims (10)
1. an audio intelligent method for scrambling, it is characterized in that, the voice data of wanting scrambling is set to the unique number that comprises check information, according to unique number, generate the scrambling ordered series of numbers changing by mathematical operation, unique number and scrambling ordered series of numbers adopt audio coding mode to be mixed in the audio frequency of not scrambling, while making the audio frequency broadcasting after scrambling, have a large amount of irregular scrambling noise jamming and cannot eliminate; In the time that needs are eliminated scrambling noise, use described audio intelligent method for scrambling in the time playing, can obtain and verify equally unique number, and generate same scrambling ordered series of numbers, after the audio coding negate of scrambling ordered series of numbers, synthesize in the audio frequency of scrambling, scrambling ordered series of numbers audio frequency and reverse scrambling ordered series of numbers audio frequency are cancelled out each other, and just can restore original not scrambling audio frequency.
2. according to the audio intelligent method for scrambling described in claim 1, it is characterized in that, described mathematical operation is hash algorithm and/or cryptographic algorithm.
3. according to the audio intelligent method for scrambling described in claim 2, it is characterized in that, described unique number is inserted in voice data in the mode constantly repeating, and makes to intercept one section of audio frequency that comprises unique number data arbitrarily, can obtain and verify unique number.
4. according to the audio intelligent method for scrambling described in claim 3, it is characterized in that, described unique number is inserted in voice data in the mode constantly repeating, and also comprise current time shaft position below, like this according to current time shaft position, corresponding scrambling ordered series of numbers position can be found, scrambling noise can be effectively eliminated by the pattern of carrying out the negate mixing of scrambling ordered series of numbers position.
5. according to the audio intelligent method for scrambling described in claim 4, it is characterized in that, described audio coding mode adopts the audio coding mode of dual tone multiple frequency, foundation characteristic frequency is made up of a high frequency group and a low frequency group, in high frequency group and low frequency group, respectively comprise some sound signals that possess characteristic frequency that mutually do not have harmonic relationships, a coded identification of sound signal stack composition of the sound signal of a high frequency group and a low frequency group, multiple coded identification composition unique number and scrambling ordered series of numbers.
6. according to the audio intelligent method for scrambling described in claim 4, it is characterized in that, described audio coding mode adopts the audio coding mode of multitone multifrequency, foundation characteristic frequency is made up of more than one high frequency group and/or more than one low frequency group, in high frequency group and low frequency group, respectively comprise some sound signals that possess characteristic frequency that mutually do not have harmonic relationships, the sound signal of multiple high frequency groups and/or a coded identification of the sound signal of multiple low frequency groups stack composition, multiple coded identification composition unique number and scrambling ordered series of numbers.
7. according to arbitrary described audio intelligent method for scrambling in claim 5 or 6, it is characterized in that, described unique number and scrambling ordered series of numbers can be encrypted respectively, only in the situation that paying, could activate identification.
8. an audio intelligent scrambling control device, it is characterized in that, be serially connected in voice-frequency channel, input end access carries out by unique number and relevant scrambling ordered series of numbers thereof the audio plays that scrambling was processed, obtain and verify the unique number of audio plays by described audio intelligent method for scrambling, and generate same scrambling ordered series of numbers, described audio intelligent scrambling control device will synthesize in audio plays after the audio coding negate of scrambling ordered series of numbers, scrambling ordered series of numbers audio frequency and reverse scrambling ordered series of numbers audio frequency are cancelled out each other, restore original not scrambling audio frequency, through output terminal output.
9. the audio intelligent scrambling control device described according to Claim 8, it is characterized in that, described audio intelligent scrambling control device carries amplifier, can directly export the descrambling sound signal of amplification to loudspeaker, inner integral speakers simultaneously, also directly the machine is play.
10. according to the audio intelligent scrambling control device described in claim 9, it is characterized in that, described audio intelligent scrambling control device is integrated playing device, and directly the machine audio plays carries display device simultaneously, can carry out audio video synchronization broadcasting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410152994.9A CN103985388A (en) | 2014-04-17 | 2014-04-17 | Intelligent audio scrambling method and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410152994.9A CN103985388A (en) | 2014-04-17 | 2014-04-17 | Intelligent audio scrambling method and control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103985388A true CN103985388A (en) | 2014-08-13 |
Family
ID=51277331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410152994.9A Pending CN103985388A (en) | 2014-04-17 | 2014-04-17 | Intelligent audio scrambling method and control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103985388A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016095539A1 (en) * | 2014-12-19 | 2016-06-23 | 北京音之邦文化科技有限公司 | Multimedia resource protection method, device, apparatus and computer storage medium |
| CN105721099A (en) * | 2016-01-19 | 2016-06-29 | 努比亚技术有限公司 | Terminal and near-field communication method |
| CN106330450A (en) * | 2015-07-03 | 2017-01-11 | 云网阳光(北京)科技有限公司 | Electronic payment reinforcement system |
| CN107449580A (en) * | 2017-08-11 | 2017-12-08 | 广东电网有限责任公司电力科学研究院 | The harmonic characteristic parameter extracting method and system of a kind of impulse response signal of power transmission tower |
| CN108806701A (en) * | 2018-06-11 | 2018-11-13 | 广州势必可赢网络科技有限公司 | Voice data method for scrambling and device, voice data de-scrambling method and device |
| CN109326300A (en) * | 2017-07-31 | 2019-02-12 | 炬才微电子（深圳）有限公司 | A kind of method and apparatus carrying out signal processing |
| CN109587542A (en) * | 2018-12-27 | 2019-04-05 | 北京奇艺世纪科技有限公司 | Audio, video data synchronizer, method, data processing equipment, medium |
-
2014
- 2014-04-17 CN CN201410152994.9A patent/CN103985388A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016095539A1 (en) * | 2014-12-19 | 2016-06-23 | 北京音之邦文化科技有限公司 | Multimedia resource protection method, device, apparatus and computer storage medium |
| CN106330450A (en) * | 2015-07-03 | 2017-01-11 | 云网阳光(北京)科技有限公司 | Electronic payment reinforcement system |
| CN105721099A (en) * | 2016-01-19 | 2016-06-29 | 努比亚技术有限公司 | Terminal and near-field communication method |
| CN105721099B (en) * | 2016-01-19 | 2020-03-27 | 努比亚技术有限公司 | Terminal and near field communication method |
| CN109326300A (en) * | 2017-07-31 | 2019-02-12 | 炬才微电子（深圳）有限公司 | A kind of method and apparatus carrying out signal processing |
| CN107449580A (en) * | 2017-08-11 | 2017-12-08 | 广东电网有限责任公司电力科学研究院 | The harmonic characteristic parameter extracting method and system of a kind of impulse response signal of power transmission tower |
| CN107449580B (en) * | 2017-08-11 | 2019-10-08 | 广东电网有限责任公司电力科学研究院 | A kind of the harmonic characteristic parameter extracting method and system of the impulse response signal of power transmission tower |
| CN108806701A (en) * | 2018-06-11 | 2018-11-13 | 广州势必可赢网络科技有限公司 | Voice data method for scrambling and device, voice data de-scrambling method and device |
| CN108806701B (en) * | 2018-06-11 | 2020-09-01 | 广州势必可赢网络科技有限公司 | Voice data scrambling method and device and voice data descrambling method and device |
| CN109587542A (en) * | 2018-12-27 | 2019-04-05 | 北京奇艺世纪科技有限公司 | Audio, video data synchronizer, method, data processing equipment, medium |
| CN109587542B (en) * | 2018-12-27 | 2020-11-27 | 北京奇艺世纪科技有限公司 | Audio and video data synchronization device, method, data processing device and medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103985388A (en) | Intelligent audio scrambling method and control device | |
| JP4716357B2 (en) | Compressed data scramble delivery device, playback device and delivery / playback device | |
| Fallahpour et al. | Audio watermarking based on Fibonacci numbers | |
| CN103985387A (en) | Audio instruction and intelligent control method thereof | |
| US20200021566A1 (en) | Dynamic encryption method | |
| JP6356259B2 (en) | POS terminal, settlement system and method using sound wave | |
| TW498638B (en) | Wireless communication device and wireless communication method | |
| CN105611476A (en) | Hearing instrument with authentication protocol | |
| US20170005996A1 (en) | Anti-eavesdropping system for mobile phone communication | |
| CN102368850A (en) | Method for carrying out encryption and decryption on video file on mobile phone | |
| CN107426521A (en) | A kind of video call method and terminal | |
| CN102111681A (en) | Key system for digital television broadcast condition receiving system | |
| CN103002406A (en) | Voice encryption method applied to narrow-band wireless digital communication system | |
| CN106412812A (en) | Bluetooth voice communication method, Bluetooth voice communication system and Bluetooth headset | |
| CN102307346B (en) | Method for security of mobile phone communication and security mobile phone | |
| CN204761537U (en) | Implement mobile communication anti -eavesdrop system of encryption and decryption in bluetooth headset end | |
| CN111818522A (en) | Voice call encryption method and device | |
| CN103401675A (en) | Paired earphone end-to-end communication scrambling-descrambling method, device and scrambling-descrambling earphone | |
| CN110730366A (en) | Bit operation-based lightweight video stream encryption and decryption method and encryption and decryption mechanism | |
| US20160173456A1 (en) | Dynamic Spectrum Audio Encryption and Decryption Device | |
| JP2002341761A (en) | Method and device for security of communication information in cdma radio communication system | |
| CN106331282A (en) | Mobile phone communication anti-eavesdropping system for implementing encryption and decryption on Bluetooth earphone side | |
| CN104994500B (en) | A kind of speech security transmission method and device for mobile phone | |
| CN202818616U (en) | Voice communication device and system | |
| CN110851798B (en) | Block chain-based audio work authorization method, device and equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140813 |