CN105825844B - Sound modification method and device - Google Patents
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- CN105825844B CN105825844B CN201510469290.9A CN201510469290A CN105825844B CN 105825844 B CN105825844 B CN 105825844B CN 201510469290 A CN201510469290 A CN 201510469290A CN 105825844 B CN105825844 B CN 105825844B
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Abstract
The embodiment of the invention provides a method and a device for modifying sound, wherein the method comprises the following steps: acquiring song audio of a user; converting song audio into a digital music score; acquiring the characteristics of the audio frequency of the song, and acquiring a standard music score with the same characteristics according to the characteristics; comparing the digital music score with the standard music score and determining the difference between the digital music score and the standard music score; and correcting the digital music score according to the difference. The embodiment of the invention provides a method and a device for correcting tone, which realize the correction of the singing tone running condition of a user on a mobile terminal and can conveniently and quickly perform the post-period tone correction processing.
Description
Technical Field
The present invention relates to the field of audio processing technologies, and in particular, to a method and an apparatus for modifying audio.
Background
The K song is a way for people to enjoy, but the mood for singing is seriously influenced because different people have different feelings on the difference of the feelings and the perception abilities of the melody, and the running or the rhythm cannot be followed up.
At present, the method for solving the problem that the running tune cannot follow the rhythm is only to find a professional recording studio to carry out post-period tone correction processing so as to correct the running tune. Although the speciality of sound repair of a recording studio is high, under the conditions of long production period, high production cost and the like, the common people are difficult to accept, and the interest of people in K songs is reduced.
Therefore, a technical problem to be solved by those skilled in the art is how to implement a convenient and fast post-tone modification process when singing a song.
Disclosure of Invention
The embodiment of the invention provides a method and a device for modifying sound, which aim to solve the technical problem that a user can only go to a recording studio to modify sound of an audio frequency so as to correct running and tune.
In order to solve the above problem, an embodiment of the present invention discloses a method for modifying a sound, including:
acquiring song audio of a user;
converting the song audio into a digital music score;
acquiring the characteristics of the song audio, and acquiring a standard music score with the same characteristics according to the characteristics;
comparing the digital score with the standard score to determine the difference between the digital score and the standard score;
and correcting the digital music score according to the difference.
Preferably, the comparing the digital score with the standard score and determining the difference between the digital score and the standard score comprises:
and comparing at least one of the speed, the beat or the pitch frequency of the digital music score and the standard music score to obtain at least one of a speed difference value, a beat difference value or a pitch frequency difference value.
Preferably, in the step of acquiring the song audio of the user, the song audio is dry sound.
Preferably, the step of obtaining the characteristics of the song audio and obtaining the standard score with the same characteristics according to the characteristics comprises:
and acquiring the name of the song audio and the name of the original singer, and acquiring a corresponding standard music score through the name of the song and the name of the original singer, wherein the standard music score is a digital music score.
Preferably, the step of modifying the digital score according to the difference comprises:
displaying the difference value on a staff of the standard music score according to the speed difference value, the beat difference value and the pitch frequency difference value;
and receiving a correction instruction of a user, and correcting the song audio.
The embodiment of the invention provides a device for repairing sound, which comprises:
the song frequency acquisition module is used for acquiring song audio of a user;
the conversion module is used for converting the song audio into a digital music score;
the standard music score acquisition module is used for acquiring the characteristics of the song audio and acquiring a standard music score with the same characteristics according to the characteristics;
the difference comparison module is used for comparing the digital music score with the standard music score and determining the difference between the digital music score and the standard music score;
and the music score correction module is used for correcting the digital music score according to the difference.
Preferably, the difference comparing module is specifically configured to compare at least one of a speed, a tempo, or a pitch frequency of the digital music score and the standard music score to obtain at least one of a speed difference, a tempo difference, or a pitch frequency difference.
Preferably, in the song frequency obtaining module, the song audio is dry sound.
Preferably, the standard music score obtaining module is specifically configured to obtain a song name and an original singer name of the song audio, and obtain a corresponding standard music score through the song name and the original singer name, where the standard music score is a digital music score.
Preferably, the score correcting module includes:
a difference display unit for displaying the difference on the staff of the standard music score according to the speed difference, the beat difference and the pitch frequency difference;
and the correction unit is used for receiving a correction instruction of a user and correcting the song audio.
According to the method and the device for modifying the sound, provided by the embodiment of the invention, the song audio of a user is obtained, and the song audio is converted into the digital music score; acquiring the characteristics of song audio, and acquiring a standard music score with the same characteristics according to the characteristics of the song audio; comparing the digital music score with the standard music score and determining the difference between the digital music score and the standard music score; and modifying the digital music score according to the difference, thereby realizing the correction of the condition that the user sings and tunes on the mobile terminal and conveniently and quickly performing post-period modification processing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for modifying a sound according to an embodiment of the present invention;
FIG. 2a is a diagram of a digital music score provided in accordance with an embodiment of the present invention;
FIG. 2b is a diagram of a standard score provided in accordance with an embodiment of the present invention;
fig. 3 is a flowchart illustrating a method for modifying a sound according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of a sound modification apparatus according to a third embodiment of the present invention;
fig. 5 is a schematic structural diagram of a sound modification apparatus according to a fourth embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
An embodiment of the present invention provides a method for modifying a sound, as shown in fig. 1, the method for modifying a sound may include the following steps:
step S101, acquiring song audio of a user.
In this step, the mobile terminal may obtain the song audio of the user through the microphone, where the song audio may be dry sound, which is also called naked sound, and belongs to the audio term, generally referring to the original human voice without any post-processing and processing after recording. In the embodiment of the present invention, the mobile terminal may be an electronic device, such as a mobile phone and a tablet computer, having a recording function, an audio storing function, and an audio playing function.
Step S102, converting the song audio into a digital music score.
In this step, the audio frequency of the song may be converted into a digital score through processing of frequency spectrum, power, zero crossing, etc., and the digital score may include information of song speed, melody pitch, tempo, dynamics relationship, etc.
And step S103, acquiring the characteristics of the song audio, and acquiring a standard music score with the same characteristics according to the characteristics.
In this step, the standard score is a score which is sung and/or performed completely according to the score, and colloquially, the score is a score without tone. The characteristics of the song audio may include: the title of the song, the name and version of the original singer, for example, the title of the song is "ten years", the name of the original singer is "game fast", and the version is a recording shelf board. The characteristics of the song audio may also include the name of the singer turning over. A standard score with the same characteristics may be looked up in a local library of tunes in the mobile terminal according to the above-mentioned characteristics, and the standard score may be a score sung by an original singer. The local music score library may also store standard music scores of different versions that a singer sings, such as a recording shed board, a field edition, a concert edition, and the like, and generally, the sound quality of the music score of the recording shed edition is better than that of the music score of the field edition, so that when a plurality of versions of standard music scores exist in the local music score, the music score with the best sound quality, such as the music score of the recording shed, may be preferentially selected.
And step S104, comparing the digital music score with the standard music score, and determining the difference between the digital music score and the standard music score.
In this step, whether the digital score is in a running state or not can be judged by comparing rhythms and pitches of the digital score and the standard score. The rhythm expresses the speed and the degree of the fierce and gentle music, and the rhythm can comprise two parts of speed and beat. Therefore, there may be a difference in at least one of the speed, tempo, and pitch of the digital score and the standard score. Specifically, at least one of the speed, the tempo or the pitch frequency of the digital music score and the standard music score may be compared locally at the mobile terminal to obtain at least one of a speed difference, a tempo difference or a pitch frequency difference. If no difference exists between the digital music score and the standard music score, or the speed difference value, the beat difference value or the pitch frequency difference value is within the allowed difference range, a prompt that no tuning is needed can be fed back to the user.
And step S105, correcting the digital music score according to the difference value.
In this step, the digital music score can be modified locally at the mobile terminal according to the difference value, so that no difference value exists between the digital music score and the standard music score, that is, the modified digital music score is modified. In the embodiment of the invention, the difference value can be displayed on the staff of the standard music score according to the speed difference value, the beat difference value and the pitch frequency difference value; and receiving a correction instruction of a user, correcting the audio frequency of the song, wherein the correction instruction of the user can be used for correcting all the difference values to realize one-key sound correction, or can be used for correcting part of the difference values to reserve part of the difference values, so that personalized sound correction is realized.
Fig. 2a is a schematic diagram of a digital music score according to an embodiment of the present invention, and fig. 2b is a schematic diagram of a standard music score according to an embodiment of the present invention, it can be found through comparison that notes in a circle in fig. 2a are different from notes in corresponding positions in fig. 2b, that is, a pitch of the digital music score is shifted, so that the notes in the circle in fig. 2a need to be modified, and the notes in the circle are modified to be the same as the notes in corresponding positions in fig. 2b, so as to modify the notes in the pitch. In the first embodiment of the invention, the digital music score can be automatically modified according to the difference value, and the difference value can also be displayed to a user, so that the user is allowed to modify the sound manually. In the manual sound modifying process, a user can be allowed to manually adjust the single note in the rhythm, and the rhythm and the pitch can be manually adjusted according to the individual requirements of the user in comparison with the rhythm of the standard music score. The manual sound modification can be realized by adjusting the positions of the notes in the staff. The note different from the standard music score can be adjusted, and the note of the standard music score can also be adjusted, so that the melody song can be played on the basis of the original song.
The tone correcting method provided by the embodiment of the invention realizes the correction of the singing tone running condition of the user on the mobile terminal, and can conveniently and quickly carry out the post-period tone correcting processing on the audio frequency.
Example two
Because the local memory of the mobile terminal is small, the number of the stored standard audio is small, and there may be a case that the standard audio cannot be found, in order to solve the technical problem, a second embodiment of the present invention provides a method for modifying a sound, as shown in fig. 3, which may include the following steps:
step S301, the mobile terminal obtains the singing audio of the user.
Step S302, the mobile terminal obtains the characteristics of the song audio and converts the song audio into a digital music score.
And step S303, the mobile terminal uploads the characteristics and the digital music score to a cloud.
And step S304, the cloud receives the digital music score and the characteristics, compares the digital music score with the standard music score, and determines the difference between the digital music score and the standard music score.
In the step, the cloud receives the digital music score, and obtains a standard music score with the same characteristics according to the characteristics; comparing the digital music score with the standard music score, and determining the difference value of the digital music score and the standard music score; and feeds back the difference to the mobile terminal. Therefore, the standard music score does not need to be cached locally, and the local storage space is released.
Step S305, the cloud feeds back the difference to the mobile terminal.
Step S306, the mobile terminal receives the difference and corrects the digital music score according to the difference.
Through the sound repairing method provided by the embodiment of the invention, the standard music score can be stored in the cloud, the local resources of the mobile terminal are not occupied, and the standard music score is guaranteed to be searched, so that the sound repairing of the digital music score is realized.
EXAMPLE III
An embodiment of the present invention provides a mobile terminal for modifying a sound, which can execute the sound modifying method in the first embodiment, and as shown in fig. 4, the mobile terminal for modifying a sound may include the following modules: a song frequency acquisition module 41, a conversion module 42, a standard score acquisition module 43, a difference comparison module 44 and a score modification module 45.
A song frequency obtaining module 41, configured to obtain a song audio of the user; a conversion module 42, for converting the song audio into digital music score; a standard music score obtaining module 43, configured to obtain characteristics of the song audio, and obtain a standard music score with the same characteristics according to the characteristics; a difference comparing module 44, configured to compare the digital score with the standard score and determine a difference between the digital score and the standard score; and a score modification module 45 for modifying the digital score according to the difference.
In the song frequency obtaining module 41, the mobile terminal may obtain, through the microphone, a song audio of the user, where the song audio may be dry sound, which is also called naked sound, and belongs to audio terminology, and generally refers to an original human voice without any post-processing and processing after recording. In the embodiment of the present invention, the mobile terminal may be an electronic device, such as a mobile phone and a tablet computer, having a recording function, an audio storing function, and an audio playing function.
In the conversion module 42, the song audio may be converted into a digital music score through processing of frequency spectrum, power, zero crossing, etc., and the digital music score may include information of song speed, melody pitch, tempo, dynamics relationship, etc.
In the standard score obtaining module 43, the standard score is a score which is sung and/or performed completely according to the score, in colloquial, that is, a score which is not run. The characteristics of the song audio may include: the title of the song, the name and version of the original singer, for example, the title of the song is "ten years", the name of the original singer is "game fast", and the version is a recording shelf board. The characteristics of the song audio may also include the name of the singer turning over. A standard score with the same characteristics may be looked up in a local library of tunes in the mobile terminal according to the above-mentioned characteristics, and the standard score may be a score sung by an original singer. The local music score library may also store standard music scores of different versions that a singer sings, such as a recording shed board, a field edition, a concert edition, and the like, and generally, the sound quality of the music score of the recording shed edition is better than that of the music score of the field edition, so that when a plurality of versions of standard music scores exist in the local music score, the music score with the best sound quality, such as the music score of the recording shed, may be preferentially selected.
In the difference comparison module 44, whether the digital score is in a running state or not can be judged by comparing rhythms and pitches of the digital score and the standard score. The rhythm expresses the speed and the degree of the fierce and gentle music, and the rhythm can comprise two parts of speed and beat. Therefore, there may be a difference in at least one of the speed, tempo, and pitch of the digital score and the standard score. Specifically, at least one of the speed, the tempo or the pitch frequency of the digital music score and the standard music score may be compared locally at the mobile terminal to obtain at least one of a speed difference, a tempo difference or a pitch frequency difference. If no difference exists between the digital music score and the standard music score, or the speed difference value, the beat difference value or the pitch frequency difference value is within the allowed difference value range, a prompt that no tuning is needed can be fed back to the user
In the score modification module 45, the digital score can be modified locally at the mobile terminal according to the difference value, so as to realize no difference value between the digital score and the standard score, that is, to modify the running digital score. In the embodiment of the invention, the difference value can be displayed on the staff of the standard music score according to the speed difference value, the beat difference value and the pitch frequency difference value; and receiving a correction instruction of a user, correcting the audio frequency of the song, wherein the correction instruction of the user can be used for correcting all the difference values to realize one-key sound correction, or can be used for correcting part of the difference values to reserve part of the difference values, so that personalized sound correction is realized.
Through the mobile terminal for tone modification provided by the third embodiment of the invention, the condition that the user sings and tunes is corrected on the mobile terminal is realized, and the audio frequency can be conveniently and quickly subjected to post-period tone modification treatment.
Example four
As the local memory of the mobile terminal is small, the number of the stored standard audio is small, and there may be a case that the standard audio cannot be found, and to solve the technical problem, as shown in fig. 5, a mobile device for modifying sound provided by the fourth embodiment of the present invention may include the following:
a mobile terminal 51 and a cloud 52; the mobile terminal 51 includes: a song frequency acquisition module 511, a conversion module 512, a digital music score uploading module 513 and a music score correction module 514;
the cloud 52 includes: a difference comparison module 521 and a difference feedback module 522.
A song frequency obtaining module 511, configured to obtain a singing audio of a user; the conversion module 512 is configured to obtain characteristics of the song audio, and convert the song audio into a digital music score; a digital music score uploading module 513, configured to upload the features and the digital music score to a cloud; the difference comparison module 521 is used for receiving the digital music score and the features at the cloud end, comparing the digital music score with the standard music score, and determining the difference between the digital music score and the standard music score; a difference feedback module 522, configured to feed back the difference to the mobile terminal; a score modification module 514, configured to receive the difference and modify the digital score according to the difference.
In the difference comparison module 521, the cloud receives the digital music score, and obtains a standard music score with the same characteristics according to the characteristics; comparing the digital music score with the standard music score, and determining the difference value of the digital music score and the standard music score; and feeds back the difference to the mobile terminal. Therefore, the standard music score does not need to be cached locally, and the local storage space is released.
In the score correcting module 514, a difference display unit and a correcting unit may be included.
A difference display unit for displaying a difference on a staff of the standard music score according to the speed difference, the beat difference and the pitch frequency difference;
and the correction unit is used for receiving a correction instruction of a user and correcting the song audio.
By the sound repairing device provided by the fourth embodiment of the invention, the standard music score can be stored in the cloud, the local resources of the mobile terminal are not occupied, and the standard music score can be found, so that the sound repairing of the digital music score is realized.
The method and the device for modifying the sound provided by the invention are described in detail, and the principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (6)
1. A method of modifying a tone, comprising:
acquiring song audio of a user;
converting the song audio into a digital music score;
acquiring the characteristics of the song audio, and acquiring a standard music score with the same characteristics according to the characteristics;
comparing the digital score with the standard score to determine the difference between the digital score and the standard score;
correcting the digital music score according to the difference;
wherein said modifying said digital score in accordance with said difference comprises:
modifying the digital score to achieve that there is no difference between the digital score and the standard score;
wherein said comparing said digital score to said standard score, determining a difference between said digital score and said standard score, comprises:
comparing at least one of the speed, the beat or the pitch frequency of the digital music score and the standard music score to obtain at least one of a speed difference value, a beat difference value or a pitch frequency difference value;
the step of modifying the digital score in dependence on the difference comprises:
displaying the difference value on a staff of the standard music score according to the speed difference value, the beat difference value and the pitch frequency difference value;
receiving a correction instruction of a user, correcting the song audio, and comprising: receiving an instruction of the user for correcting all the difference values, correcting all the difference values in the digital music score, or receiving manual adjustment of notes displayed on the staff by the user, and correcting the difference values of the notes adjusted by the user;
wherein said receiving manual adjustments by the user to notes displayed on the staff comprises: receiving a manual adjustment by the user of a position of a single note displayed on the staff.
2. The method of claim 1, wherein in the step of obtaining the song audio of the user, the song audio is dry sound.
3. The method of claim 1, wherein said step of obtaining characteristics of said song audio and, depending on said characteristics, obtaining a standard score having the same said characteristics comprises:
and acquiring the name of the song audio and the name of the original singer, and acquiring a corresponding standard music score through the name of the song and the name of the original singer, wherein the standard music score is a digital music score.
4. An apparatus for modifying sound, comprising:
the song frequency acquisition module is used for acquiring song audio of a user;
the conversion module is used for converting the song audio into a digital music score;
the standard music score acquisition module is used for acquiring the characteristics of the song audio and acquiring a standard music score with the same characteristics according to the characteristics;
the difference comparison module is used for comparing the digital music score with the standard music score and determining the difference between the digital music score and the standard music score;
the music score correction module is used for correcting the digital music score according to the difference;
the score correction module is specifically configured to: modifying the digital score to achieve that there is no difference between the digital score and the standard score;
the difference comparison module is specifically configured to compare at least one of speeds, beats or pitch frequencies of the digital music score and the standard music score to obtain at least one of a speed difference, a beat difference or a pitch frequency difference;
the score correcting module comprises:
a difference display unit for displaying the difference on the staff of the standard music score according to the speed difference, the beat difference and the pitch frequency difference;
the correcting unit is used for receiving a correcting instruction of a user and correcting the song audio, and comprises: receiving an instruction of the user for correcting all the difference values, correcting all the difference values in the digital music score, or receiving manual adjustment of notes displayed on the staff by the user, and correcting the difference values of the notes adjusted by the user;
wherein the modifying unit is specifically configured to receive a manual adjustment by the user of a position of a single note displayed on the staff.
5. The apparatus of claim 4, wherein in the song frequency acquisition module, the song audio is dry sound.
6. The apparatus of claim 4, wherein the standard score obtaining module is specifically configured to obtain a song name and an original singer name of the song audio, and obtain a corresponding standard score through the song name and the original singer name, wherein the standard score is a digital score.
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