CN107657958B - Music identification system, device, music management server and method - Google Patents
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Abstract
The invention discloses a music identification system, a music identification device, a music management server and a music management method, wherein the music identification method comprises the following steps: the music identification device acquires music played by a music playing device, identifies the carried sound codes to obtain corresponding identification codes, the music management server inquires the database to determine the matched identification codes and sends corresponding data information to the music identification device, wherein the sound codes generated by converting the corresponding identification codes of a plurality of pieces of music are synthesized with corresponding original music and stored in the database corresponding to the identification codes. Through the mode, the music identification code with the unique identity can be synthesized in the music, and the mobile terminal directly identifies the music with the music identification code, so that the technical problem of music identification error caused by the influence of environmental noise is solved.
Description
Technical Field
The invention relates to the field of internet communication, in particular to a music identification system, a music identification device, a music management server and a music management method.
Background
At present, mobile terminals such as smart phones and the like have a music playing function, when a user plays music, and the user hears that music played in an environment (from other devices) is favorite music and wants to collect the music, the existing smart phones can also identify collected music fragments and search a network database through voice recognition, so that matched music can be found. However, in this case, the following technical problems exist:
the technical problem is that: the existing music playing and recognition technology usually recognizes music through voice recognition or voiceprint comparison technology, and the technical problem of the mode is as follows: if the environmental noise is large, the environment is noisy, and the collected music information is inaccurate, the accurate music may not be identified and searched sometimes. In addition, this kind of speech recognition or voiceprint comparison technique requires a very large database, and each music ID requires several megabytes of voiceprint data space and system resources to be stored in the database.
The second technical problem is that: on the basis of the first technical problem, the identified music needs to be subjected to digital copyright protection, so a music identification technology which can accurately identify the music and provide digital copyright protection is needed, and the existing music identification mode can only identify the music and cannot load data or music identification codes on the music.
Disclosure of Invention
The invention mainly solves the technical problem of providing a music identification system, a device, a music management server and a method, which realize the effective identification and copyright protection of music.
In order to solve the technical problems, the invention adopts a technical scheme that: a music recognition system, the system comprising: the database is used for pre-storing a plurality of pieces of music with music sound codes and identification codes corresponding to the music; wherein, each piece of music is synthesized by sound codes generated by converting corresponding identification codes in advance and original music; music playing means for playing music; the music identification device is used for receiving the played music, identifying the carried sound codes to obtain identification codes and generating verification requests carrying the identification codes; and the music management server is used for receiving the verification request generated by the music identification device, inquiring the database to determine the identification code matched with the identification code carried by the verification request, acquiring the data information corresponding to the identification code from the database, and sending the data information corresponding to the identification code to the music identification device, so that the music identification device acquires the data information corresponding to the music.
The database is also used for pre-storing a plurality of original music and corresponding identification codes; the music management server includes: the conversion unit is used for acquiring an identification code corresponding to the original music from the database, adding a check bit into the identification code, and converting the identification code added with the check bit into a binary sound code; wherein, the check bit is used for indicating that the sound code is a music sound code; the Fourier transform unit is used for carrying out Fourier forward change on the binary acoustic code to obtain an acoustic wave signal; and the synthesis unit is used for adjusting the frequency of the sound wave signal to the frequency of the ultrasonic wave signal to obtain the ultrasonic wave signal, synthesizing the ultrasonic wave signal with corresponding original music and generating the music with the music sound code.
The music recognition device comprises a recognition unit for recognizing music sound codes carried by received music to obtain recognition codes, wherein the recognition unit comprises: the analysis module is used for analyzing the acquired music to obtain an ultrasonic signal and performing Fourier inverse transformation on the ultrasonic signal to obtain a corresponding sound code; and the checking module is used for checking the checking bit of the obtained acoustic code to determine whether the acoustic code is a music acoustic code or not and extracting a corresponding identification code when the acoustic code is determined to be the music acoustic code.
Wherein the data information comprises basic information, associated information and extended application information of the music; the extended application information includes at least: music audition, music download, music purchase, music authorization authentication information and music blockchain key values.
In order to solve the technical problem, the invention adopts another technical scheme that: there is provided a music recognition method, the method comprising: the music identification device acquires music played by a music playing device, identifies the sound code carried by the music to obtain a corresponding identification code, and sends a verification request carrying the identification code to a music management server; the music management server responds to the verification request and queries a database to determine an identification code matched with the identification code carried by the verification request; when the music management server inquires the matched identification code, acquiring data information corresponding to the identification code from the database, and sending the data information to the music identification device to enable the music identification device to acquire the data information of the music; the plurality of pieces of music are obtained by synthesizing sound codes generated by converting corresponding identification codes in advance with corresponding original music, and are stored in the database corresponding to the identification codes.
Wherein the method further comprises: acquiring an identification code corresponding to the original music from a database, adding a check bit into the identification code, and converting the identification code added with the check bit into a binary sound code; wherein, the check bit is used for indicating that the sound code is a music sound code, and a plurality of original music and corresponding identification codes are pre-stored in the database; carrying out Fourier forward change on the binary acoustic code to obtain an acoustic signal; and adjusting the frequency of the sound wave signal to the frequency of an ultrasonic wave signal to obtain an ultrasonic wave signal, and synthesizing the ultrasonic wave signal and corresponding original music to generate the music with the music sound code.
The music identification device obtains music played by a music playing device, identifies a sound code carried by the music to obtain a corresponding identification code, and sends a verification request carrying the identification code to a music management server, and the method comprises the following steps: the music identification device acquires music played by a music playing device; the music identification device analyzes the acquired music to obtain an ultrasonic signal, and performs Fourier inverse transformation on the ultrasonic signal to obtain a corresponding sound code; the music identification device checks the obtained check bit of the acoustic code to determine whether the acoustic code is a music acoustic code, and extracts a corresponding identification code when the acoustic code is determined to be the music acoustic code; and the music identification device sends a verification request carrying the identification code to the music management server.
In order to solve the technical problem, the invention adopts another technical scheme that: there is provided a music recognition apparatus, the apparatus comprising: the acquisition unit is used for receiving music played by a music playing device; the identification unit is used for identifying the sound codes carried by the received music to obtain corresponding identification codes; the verification request unit is used for sending a verification request carrying the identification code to a music management server so as to request the music management server to determine whether the matched identification code is inquired in a database; a receiving unit, configured to receive data information sent by the music management server; the data information is sent when the music management server inquires a matched identification code in a database, and corresponds to the identification code; the plurality of pieces of music are synthesized by sound codes generated by converting corresponding identification codes in advance and corresponding original music, and are stored in the database corresponding to the identification codes.
Wherein the identification unit includes: the analysis module is used for analyzing the acquired music to obtain an ultrasonic signal and performing Fourier inverse transformation on the ultrasonic signal to obtain a corresponding sound code; and the checking module is used for checking the obtained checking bit of the acoustic code to determine whether the acoustic code is a music acoustic code or not and extracting a corresponding identification code when the acoustic code is determined to be the music acoustic code.
Wherein the data information includes basic information, associated information, and extended application information of the music, and the extended application information at least includes: music audition, music downloading, music purchasing, music authorization authentication information and music block chain key values; the device further comprises: and the execution unit is used for displaying the basic information of the music on the music identification device, accessing the corresponding link address according to the associated information to acquire the extension information, and accessing the corresponding link address according to the extension application information to acquire the extension application.
In order to solve the technical problem, the invention adopts another technical scheme that: there is provided a music recognition method, the method comprising: responding to a verification request which is sent by a music recognition device and carries an identification code, and judging whether the identification code matched with the identification code can be inquired in a database; the verification request is generated when the music recognition device recognizes a music sound code carried by the acquired music to obtain a corresponding recognition code; when the matched identification code is inquired, acquiring data information corresponding to the identification code from the database; and sending the data information to the music recognition device; the plurality of pieces of music are synthesized by the corresponding original music and the music sound codes generated by converting the corresponding identification codes in advance, and are stored in the database corresponding to the identification codes.
In order to solve the technical problem, the invention adopts another technical scheme that: there is provided a music management server, the server including: the verification unit is used for responding to a verification request which is sent by a music recognition device and carries an identification code, and judging whether the identification code matched with the identification code can be inquired in a database; the verification request is generated when the music recognition device recognizes a music sound code carried by the acquired music to obtain a corresponding recognition code; the data acquisition unit is used for acquiring data information data corresponding to the identification code from the database when the verification unit inquires the matched identification; a transmission unit configured to transmit the data information to the music recognition apparatus; the plurality of pieces of music are synthesized by the corresponding original music and the music sound codes generated by converting the corresponding identification codes in advance, and are stored in the database corresponding to the identification codes.
In order to solve the technical problem, the invention adopts another technical scheme that: a music processing method, the method comprising: acquiring an identification code corresponding to original music from a database, adding a check bit into the identification code, and converting the identification code added with the check bit into a binary sound code; wherein, a plurality of original music and corresponding identification codes are pre-stored in the database, and the check bit is used for indicating that the sound code is a music sound code; carrying out Fourier forward change on the binary acoustic code to obtain an acoustic signal; and adjusting the frequency of the sound wave signal to the frequency of an ultrasonic wave signal to obtain an ultrasonic wave signal, and synthesizing the ultrasonic wave signal and corresponding original music to generate the music with the music sound code.
In order to solve the technical problem, the invention adopts another technical scheme that: a music management server, the server comprising: the conversion unit is used for acquiring an identification code corresponding to original music from a database, adding a check bit into the identification code and converting the identification code added with the check bit into a binary sound code; the database is used for pre-storing a plurality of original music and corresponding identification codes, and the check bit is used for indicating that the sound codes are music sound codes; the Fourier transform unit is used for carrying out Fourier forward change on the binary acoustic code to obtain an acoustic wave signal; and the synthesis unit is used for adjusting the frequency of the sound wave signal to the frequency of the ultrasonic wave signal to obtain the ultrasonic wave signal, synthesizing the ultrasonic wave signal with corresponding original music and generating the music with the music sound code.
In the above scheme, the music identification code with the unique identity is synthesized in the music, so that when the music identification is performed through the mobile terminal, the music with the music identification code is directly identified, and the information of the music is obtained through the music identification code, thereby avoiding the technical problem of music identification error caused by the influence of environmental noise. Furthermore, authorization authentication information, transaction information and the like are added in the music identification code, the music is identified, meanwhile, the information of the music such as authorization, transaction and the like can be obtained, and the purpose of protecting the music copyright is achieved through authentication and identification.
Drawings
FIG. 1 is a schematic diagram of a music recognition system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a music management server according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating the synthesis of music vocodes with original music in accordance with an embodiment of the present invention;
FIG. 4 is a schematic diagram of a music recognition device according to an embodiment of the present invention;
FIG. 5 is a flow chart illustrating a music processing method according to a first embodiment of the present invention;
FIG. 6 is a flowchart illustrating a method for identifying music by the music identification device of FIG. 5;
FIG. 7 is a flow chart illustrating a music processing method according to a second embodiment of the present invention;
fig. 8 is a flowchart illustrating a music processing method according to a third embodiment of the present invention;
fig. 9 is a flowchart illustrating a music processing method according to a fourth embodiment of the present invention.
Detailed Description
The prior art terminology to which embodiments of the invention are referred will be explained first.
Block chains: a block chain type data structure which is not forged, tampered and traceable is constructed through transparent and credible rules under a peer-to-peer network environment, and a mode of practical processing is realized and managed.
And (3) sound code: and carrying out Fourier inverse transformation on the acoustic wave signals to obtain meaningful data.
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the present invention will be explained in detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural diagram of a music recognition system according to an embodiment of the present invention. The system 100 includes: a database 10, a music playing device 20, a music recognition device 30 and a music management server 40.
The music playing device 20 is used for playing music, and the music playing device 20 may be a device with a music playing function, such as a mobile device, a computer, a television, a sound box, or a radio.
The database 10 is used to store a plurality of pieces of music having music sound codes and identification codes corresponding to the pieces of music in advance. Wherein each piece of music is synthesized from the sound code generated by converting the corresponding identification code in advance and the original music (the principle of music synthesis will be described in detail below)
Specifically, please refer to fig. 2, which is a schematic structural diagram of the music management server 40 according to the embodiment of the present invention. The music management server 40 includes a conversion unit 41, a fourier transform unit 42, a synthesis unit 43, an authentication unit 44, a data acquisition unit 45, and a transmission unit 46.
The database 10 is further configured to pre-store a plurality of original music and a corresponding identification code, where the identification code is unique identification information corresponding to the original music.
The conversion unit 41 is configured to obtain an identification code corresponding to each piece of original music from the database 10, add a check bit to the identification code, and convert the identification code added with the check bit into a binary vocoded, i.e., a music vocoded.
In consideration of the recognition method and correctness check of the music recognition device for receiving sound waves, the character string of the data to be transmitted is coded into a sound wave front, the data structure of the sound wave front needs to be added with an information header and a check bit besides the data content, 3 parts form a complete information segment, and as shown in fig. 3, the foremost part of the information segment is the information header and can be used as a separator for positioning the initial position of the received sound wave. The middle of the information segment is the valid data bit, i.e. the actual information to be transmitted, in this embodiment, the data information corresponding to the identification code. Finally, a check bit is added to check the data type, i.e. the data information is music.
In the present embodiment, the data information includes basic information, related information, and extended application information of music. Wherein the basic information includes: name of music, singer, composition, recording album; the associated information includes: other music audition link addresses of singers, etc.; the extended application information includes: the method comprises the steps of audition link address, download address, copyright information, purchase link address, authorization authentication information and music block chain key value.
A fourier transform unit 42 for performing fourier forward transform on the music vocoders generated by the conversion unit 41 to obtain sound wave signals;
a synthesizing unit 43, for adjusting the frequency of the sound wave signal to the ultrasonic wave signal frequency to obtain an ultrasonic wave signal, and synthesizing the ultrasonic wave signal with the corresponding original music to generate music with music sound codes.
Specifically, the synthesizing unit 43 synthesizes the ultrasonic wave signal with the corresponding original music at a plurality of consecutive intervals.
Since the ultrasonic signal is not heard by human ears, when people listen to music with music sound codes, the existence of the music sound codes is not felt at all, and the sound is heard as if the tone quality of the original music is heard.
Further, the synthesizing unit 43 of the music management server 40, when generating music with music vocoders, saves the music in the database 10, forming a music database.
In other embodiments, the music vocoders are synthesized with the original music, and not only by the music management server 40 as described in the embodiments of the present invention, but also by other music processing apparatuses or devices, and the synthesized music with vocoders is stored in the database 10 to form a music database.
The music playing apparatus 20 downloads or directly acquires music to be played from the music database in the database 10, and plays the music.
The music recognition device 30 acquires the music being played, recognizes the carried music vocoders to obtain corresponding identification codes, and sends a verification request to the music management server 40.
Specifically, please refer to fig. 4, which is a schematic structural diagram of a music recognition device 30 according to an embodiment of the present invention, wherein the music recognition device 30 may be an intelligent mobile device, a computer, or the like, and has a microphone, for example, for acquiring played music. The music recognition device 30 includes:
an acquisition unit 31 for acquiring music played by a music playing device 20;
the identification unit 32 is configured to identify a sound code carried by the acquired music to obtain a corresponding identification code;
an authentication request unit 33, configured to send an authentication request carrying the identification code to the music management server 40 to request the music management server 40 to determine whether a matching identification code is queried in the database.
Specifically, the identification unit 32 includes:
the analyzing module 321 is configured to analyze the acquired music to read the ultrasonic signal, and perform inverse fourier transform on the ultrasonic signal to obtain a corresponding sound code.
The checking module 322 is configured to check the check bits of the obtained vocoders, determine whether the vocoders are music vocoders, and extract corresponding identification codes when the vocoders are determined to be music vocoders.
Further, the verification unit 44 of the music management server 40 is configured to, in response to the verification request sent by the music identification device 30, query the database 10 to determine an identification code matching the identification code carried by the verification request; the data acquisition unit 45 acquires data information corresponding to the identification code from the database 10, and the data information is transmitted from the transmission unit 46 to the music recognition apparatus 30, so that the music recognition apparatus acquires the data information corresponding to the music.
Specifically, the verification unit 44 queries the database 10 to determine whether the identification code exists, and if so, the verification unit may prove that the piece of music is the music stored in the database 10, and then further query to obtain the related information of the piece of music, for example: author, copyright owner, trial listening to link address, purchasing link address, etc. If the music does not exist, the music is proved not to be the music stored in the database 10, and the related information cannot be inquired necessarily.
Further, the data information contains basic information, associated information, and extended application information of the music. The music recognition device 30 further comprises an execution unit 34 for displaying basic information of music in the music recognition device 30, accessing a corresponding link address according to the association information to obtain extension information, and accessing a corresponding link address according to the extension application information to obtain an extension application. Examples are as follows.
Application scenarios exemplify
When the music recognition device 30 receives the data information of music transmitted from the music management server 40 as described above, the data information includes the music recognition information: name, composition, word, lyrics, and associated information that may be available for extended queries on the internet, such as other musical compositions that the speaker of the piece of music also created. The user can display the basic information of the piece of music through the music recognition device 30, and can also access the corresponding link address to acquire the extension information.
Application scenarios example two
When the music recognition apparatus 30 receives the data information of music transmitted from the music management server 40 as described above, the data information includes music recognition information, in addition to information in the application scenario example one, extended applications of the information on the internet, such as multimedia information, music listening trial, downloading, or purchasing. The user can directly access the music listening trial link address, the download link address or the purchase link address through the application information acquired by the music recognition device 30 to listen to, download or purchase music on trial.
Application scenarios EXAMPLE III
When the music identification apparatus 30 receives the data information of the music transmitted from the music management server 40 as described above, the data information includes the music identification information, in addition to the information of the first and second application scenarios, the authorization authentication information of the music, for example, the authorization use information of the music.
Further, the data information can also be related music block chain key values of the music, use authorization values for obtaining non-repudiation of the music and use authorization transaction information.
When the user acquires the authorization authentication information through the music recognition device 30, the user can jump to and access the corresponding page or program through the corresponding link address, thereby implementing the corresponding function.
Fig. 5 is a flowchart illustrating a music processing method according to a first embodiment of the present invention, wherein the method is applied to the music processing system. The database of the music processing system prestores a plurality of pieces of music with music sound codes and identification codes corresponding to the music. Each piece of music is synthesized with the original music by the sound codes generated by converting the corresponding identification codes in advance. The method comprises the following steps:
in step S50, the music recognition device obtains music played by a music playing device, recognizes the carried vocoders to obtain corresponding identification codes, and sends a verification request carrying the identification codes to the music management server.
Please refer to fig. 6, specifically:
step S501, acquiring music played by the music playing device;
step S502, analyzing the obtained music to read the ultrasonic signal, and performing Fourier inverse transformation on the ultrasonic signal to obtain a corresponding sound code;
step S502, checking the check bit of the vocode to determine whether the vocode is a music vocode: if yes, go to step S503; otherwise, the flow ends.
In step S503, the identification code in the acoustic code is extracted. Then, the process proceeds to step S51.
Step S51, the music management server responding to the verification request, querying a database to determine whether an identification code matching the identification code carried by the verification request is queried; if yes, go to step S52; otherwise, the flow ends.
In step S52, data information corresponding to the identification code is acquired from the database, and the data information is transmitted to the music recognition apparatus, so that the music recognition apparatus acquires the data information of the music.
Referring to fig. 7, a flowchart of a music processing method according to a second embodiment of the present invention is shown, where the method is applied to the music management server described above, and includes:
step S60, responding to a verification request with identification code sent by a music identification device, and judging whether the identification code matched with the identification code can be inquired in a database; if yes, go to step S61; otherwise, the flow ends.
The verification request is generated when the music recognition device recognizes a music sound code carried by the acquired music to obtain a corresponding recognition code.
In step S61, data information corresponding to the identification code is acquired from the database.
The music sound codes generated by converting the corresponding identification codes of a plurality of pieces of music are synthesized with the corresponding original music in advance, and are stored in the database corresponding to the identification codes.
In step S62, the data information is sent to the music recognition device.
Referring to fig. 8, a flow chart of a music processing method according to a third embodiment of the present invention is shown, in which the method is applied to the music recognition apparatus described above, and the method includes:
in step S70, music played by a music playing device is obtained.
Step S71, recognizing the sound code carried by the music to obtain a corresponding recognition code.
Specifically, analyzing the acquired music to read the ultrasonic signal in the interval, and performing inverse fourier transform on the ultrasonic signal to obtain a corresponding sound code; and then, checking the obtained acoustic codes, and extracting corresponding identification codes when the checking is passed.
Further, checking the check bit of the obtained sound code to determine whether the sound code is a music sound code, if so, the check is passed, and further extracting the data information in the sound code to obtain the corresponding identification code. Otherwise, the verification is not passed, and the flow of the music processing method is ended.
Step S72, a verification request carrying the identification code is sent to the music management server to request the music management server to determine whether a matching identification code is found in the database.
Step S73, receiving the data information corresponding to the identification code sent by the music management server; the data information is sent when the music management server inquires the matched identification code in the database, and corresponds to the identification code.
Referring to fig. 9, a flowchart of a music processing method according to a fourth embodiment of the present invention is shown, where the method is applied to the music management server described above, and includes:
step S80, obtaining the corresponding identification code of the original music from the database, adding the check bit element into the identification code, and converting the identification code added with the check bit element into a binary sound code; wherein, a plurality of original music and corresponding identification codes are pre-stored in the database;
step S81, carrying out Fourier forward change on the binary acoustic code to obtain an acoustic wave signal; and
step S82, adjusting the frequency of the sound wave signal to an ultrasonic wave signal frequency to obtain an ultrasonic wave signal, and synthesizing the ultrasonic wave signal with corresponding original music to generate the music with music sound codes.
In the embodiment of the invention, the music identification code with the unique identity is synthesized in the music, so that the music with the music identification code is directly identified when the music identification is carried out through the mobile terminal, and the information of the music is obtained through the music identification code, thereby avoiding the technical problem of wrong music identification caused by the influence of environmental noise.
Furthermore, authorization authentication information, transaction information and the like are added in the music identification code, the music is identified, meanwhile, the information of the music such as authorization, transaction and the like can be obtained, and the purpose of protecting the music copyright is achieved through authentication and identification.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A music recognition system, the system comprising:
the database is used for pre-storing a plurality of pieces of music with music sound codes and identification codes corresponding to the music, and also used for pre-storing a plurality of pieces of original music and corresponding identification codes; wherein, each piece of music is synthesized by sound codes generated by converting corresponding identification codes in advance and original music;
a music management server comprising:
the conversion unit is used for acquiring an identification code corresponding to the original music from the database, adding a check bit into the identification code, and converting the identification code added with the check bit into a binary sound code; wherein, the check bit is used for indicating that the sound code is a music sound code;
the Fourier transform unit is used for carrying out Fourier forward change on the binary acoustic code to obtain an acoustic wave signal; and
the synthesis unit is used for adjusting the frequency of the sound wave signal to the frequency of an ultrasonic wave signal to obtain an ultrasonic wave signal, synthesizing the ultrasonic wave signal with corresponding original music to generate the music with the music sound code and storing the music in the database;
music playing means for playing music;
music recognition device, including being used for discerning the music sound code that received music carried in order to obtain the identification code discerning the unit, discerning the unit includes:
the analysis module is used for analyzing the acquired music to obtain an ultrasonic signal and performing Fourier inverse transformation on the ultrasonic signal to obtain a corresponding sound code;
the checking module is used for checking the checking bit of the obtained acoustic code to determine whether the acoustic code is a music acoustic code or not, extracting a corresponding identification code when the acoustic code is determined to be the music acoustic code, and generating a verification request carrying the identification code; and
the music management server is further used for receiving a verification request generated by the music identification device, querying the database to determine an identification code matched with the identification code carried by the verification request, acquiring data information corresponding to the identification code from the database, and sending the data information corresponding to the identification code to the music identification device, so that the music identification device acquires the data information corresponding to the music.
2. The music recognition system of claim 1, wherein the data information includes basic information, associated information, and extended application information of the music; the extended application information includes at least: music audition, music download, music purchase, music authorization authentication information and music blockchain key values.
3. A music recognition method, the method comprising:
the music identification device acquires music played by a music playing device;
the music identification device analyzes the acquired music to obtain an ultrasonic signal, and performs Fourier inverse transformation on the ultrasonic signal to obtain a corresponding sound code;
the music identification device checks the check bit of the obtained sound code to determine whether the sound code is a music sound code, and extracts a corresponding identification code when the sound code is determined to be the music sound code;
the music identification device sends a verification request carrying the identification code to a music management server;
the music management server responds to the verification request and queries a database to determine an identification code matched with the identification code carried by the verification request;
when the music management server inquires the matched identification code, acquiring data information corresponding to the identification code from the database, and sending the data information to the music identification device to enable the music identification device to acquire the data information of the music;
the plurality of pieces of music are obtained by synthesizing sound codes generated by converting corresponding identification codes and corresponding original music in advance, and are stored in the database corresponding to the identification codes, specifically:
the music management server acquires an identification code corresponding to the original music from a database, adds a check bit element into the identification code, and converts the identification code added with the check bit element into a binary sound code; wherein, the check bit is used for indicating that the sound code is a music sound code, and a plurality of original music and corresponding identification codes are pre-stored in the database;
carrying out Fourier forward change on the binary acoustic code to obtain an acoustic signal; and
and adjusting the frequency of the sound wave signal to the frequency of the ultrasonic wave signal to obtain the ultrasonic wave signal, synthesizing the ultrasonic wave signal with corresponding original music to generate music with a music sound code, and storing the music in the database corresponding to the identification code.
4. An apparatus for music recognition, the apparatus comprising:
the acquisition unit is used for receiving music played by a music playing device;
the identification unit is used for identifying the sound codes carried by the received music to obtain corresponding identification codes, and comprises:
the analysis module is used for analyzing the acquired music to obtain an ultrasonic signal and performing Fourier inverse transformation on the ultrasonic signal to obtain a corresponding sound code; and
the checking module is used for checking the obtained checking bit of the acoustic code to determine whether the acoustic code is a music acoustic code or not and extracting a corresponding identification code when the acoustic code is determined to be the music acoustic code;
the verification request unit is used for sending a verification request carrying the identification code to a music management server so as to request the music management server to determine whether the matched identification code is inquired in a database;
a receiving unit, configured to receive data information sent by the music management server; the data information is sent when the music management server inquires a matched identification code in a database, and corresponds to the identification code;
the plurality of pieces of music are synthesized by sound codes generated by converting corresponding identification codes in advance and corresponding original music, and are stored in the database corresponding to the identification codes.
5. The music recognition device of claim 4, wherein the data information includes basic information, associated information, and extended application information of the music, and the extended application information at least includes: music audition, music downloading, music purchasing, music authorization authentication information and music block chain key values; the device further comprises:
and the execution unit is used for displaying the basic information of the music on the music identification device, accessing the corresponding link address according to the associated information to acquire the extension information, and accessing the corresponding link address according to the extension application information to acquire the extension application.
6. A music recognition method, the method comprising:
responding to a verification request which is sent by a music recognition device and carries an identification code, and judging whether the identification code matched with the identification code can be inquired in a database; the verification request is generated when the music recognition device recognizes a music sound code carried by the acquired music to obtain a corresponding recognition code;
when the matched identification code is inquired, acquiring data information corresponding to the identification code from the database; and
sending the data information to the music recognition device;
wherein, a plurality of said music is synthesized by the music sound code generated by the corresponding identification code conversion and the corresponding original music in advance, and is stored in the database corresponding to the identification code, specifically:
acquiring an identification code corresponding to original music from a database, adding a check bit into the identification code, and converting the identification code added with the check bit into a binary sound code; wherein, a plurality of original music and corresponding identification codes are pre-stored in the database, and the check bit is used for indicating that the sound code is a music sound code;
carrying out Fourier forward change on the binary acoustic code to obtain an acoustic signal; and
and adjusting the frequency of the sound wave signal to the frequency of the ultrasonic wave signal to obtain the ultrasonic wave signal, synthesizing the ultrasonic wave signal with corresponding original music to generate music with a music sound code, and storing the music in the database corresponding to the identification code.
7. A music management server, characterized in that the server comprises:
the verification unit is used for responding to a verification request which is sent by a music recognition device and carries an identification code, and judging whether the identification code matched with the identification code can be inquired in a database; the verification request is generated when the music recognition device recognizes a music sound code carried by the acquired music to obtain a corresponding recognition code;
the data acquisition unit is used for acquiring data information data corresponding to the identification code from the database when the verification unit inquires the matched identification;
a transmission unit configured to transmit the data information to the music recognition apparatus;
the plurality of pieces of music are synthesized by the corresponding original music and the music sound codes generated by converting the corresponding identification codes in advance, and are stored in the database corresponding to the identification codes.
8. A music processing method, characterized in that the method comprises:
acquiring an identification code corresponding to original music from a database, adding a check bit into the identification code, and converting the identification code added with the check bit into a binary sound code; wherein, a plurality of original music and corresponding identification codes are pre-stored in the database, and the check bit is used for indicating that the sound code is a music sound code;
carrying out Fourier forward change on the binary acoustic code to obtain an acoustic signal; and
and adjusting the frequency of the sound wave signal to the frequency of an ultrasonic wave signal to obtain an ultrasonic wave signal, and synthesizing the ultrasonic wave signal and corresponding original music to generate music with music sound codes.
9. A music management server, characterized in that the server comprises:
the conversion unit is used for acquiring an identification code corresponding to original music from a database, adding a check bit into the identification code and converting the identification code added with the check bit into a binary sound code; the database is used for pre-storing a plurality of original music and corresponding identification codes, and the check bit is used for indicating that the sound codes are music sound codes;
the Fourier transform unit is used for carrying out Fourier forward change on the binary acoustic code to obtain an acoustic wave signal; and
and the synthesis unit is used for adjusting the frequency of the sound wave signal to the frequency of the ultrasonic wave signal to obtain the ultrasonic wave signal, synthesizing the ultrasonic wave signal with corresponding original music and generating the music with the music sound code.
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| CN201710820097.4A CN107657958B (en) | 2017-09-13 | 2017-09-13 | Music identification system, device, music management server and method |
| PCT/CN2018/077238 WO2019052121A1 (en) | 2017-09-13 | 2018-02-26 | Music identification system, method and apparatus, and music management server |
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| CN107657958B (en) * | 2017-09-13 | 2020-06-23 | 厦门声连网信息科技有限公司 | Music identification system, device, music management server and method |
| CN109472120A (en) * | 2018-09-19 | 2019-03-15 | 侯锐 | A kind of copyright protection and acquisition methods, device and equipment of digital audio |
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| WO2019052121A1 (en) | 2019-03-21 |
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