CN108766452B - Sound repairing method and device - Google Patents
Sound repairing method and device Download PDFInfo
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- CN108766452B CN108766452B CN201810289050.4A CN201810289050A CN108766452B CN 108766452 B CN108766452 B CN 108766452B CN 201810289050 A CN201810289050 A CN 201810289050A CN 108766452 B CN108766452 B CN 108766452B
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- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
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Abstract
The application discloses a sound repairing method and device. The sound repairing method comprises the following steps: acquiring audio information to be processed; determining a recommended sound modification mode from a plurality of preset sound modification modes according to the standard audio information corresponding to the audio information to be processed in a preset template; and performing pitch adjustment and/or rhythm adjustment on the audio information to be processed according to the recommended sound modifying mode. This repair sound device includes: the audio acquisition unit is used for acquiring audio information to be processed; a mode determination unit for determining a recommended manicure mode; and the sound modifying processing unit is used for adjusting the audio information according to the sound modifying mode. The method and the device solve the problems that audio is easy to distort and songs are unnatural due to the fact that the sound modifying mode is fixed in the related sound modifying technology.
Description
Technical Field
The present application relates to the field of audio processing, and in particular, to a method and an apparatus for modifying audio.
Background
With the rapid development of communication and information technologies, music functions have become a necessary application in terminals such as computers or mobile phones, and singing on mobile phones is becoming more and more popular, but because of the different perception abilities of different people to music and melody, and the conditions of running or rhythm not following up occur, the mood of singing is seriously affected, and therefore, the sound modifying technology is generated.
The related sound modifying technology is to modify the pitch and rhythm of the singing voice to be consistent with the pitch and rhythm in the template according to some template. When implementing the sound modifying method, the inventor finds that the related sound modifying technology has at least the following problems: firstly, the modification amplitude is fixed and is not suitable for singers with different levels, so that the modification is easy to distort unlike the sound of the singers when the modification amplitude is large; secondly, the method does not consider the individuation of the user, and if the user likes the singing rhythm of the user and only wants to adjust the pitch, the method is not applicable at all. In view of the above problems in the related art, the inventors provide a solution.
Disclosure of Invention
The main objective of the present application is to provide a method for modifying a tone to solve the problem of distortion and reduce the side effects caused by modifying a tone by determining a tone modifying mode according to different singing levels of a user.
In order to achieve the above object, according to an aspect of the present application, there is provided a sound modifying method including:
acquiring audio information to be processed;
determining a recommended sound modification mode from a plurality of preset sound modification modes according to the standard audio information corresponding to the audio information to be processed in a preset template;
and performing pitch adjustment and/or rhythm adjustment on the audio information to be processed according to the recommended sound modifying mode.
Further, the pitch adjustment and/or the rhythm adjustment of the audio information to be processed according to the recommended sound modifying mode includes:
inquiring a tone modification mode table to obtain a pitch adjustment mode and/or rhythm adjustment mode corresponding to the recommended tone modification mode;
and adjusting the audio information to be processed according to a pitch adjustment mode and/or a rhythm adjustment mode corresponding to the recommended tone modification mode.
Further, the determining a recommended sound modification mode from a plurality of preset sound modification modes according to the standard audio information corresponding to the audio information to be processed in a preset template includes:
extracting the characteristics of the audio information to be processed to obtain the rhythm characteristics and pitch characteristics of the audio information to be processed;
and performing pattern matching calculation according to the rhythm characteristic and the pitch characteristic of the audio information to be processed and the rhythm template and the pitch template in the standard audio information, and determining a tone modifying pattern matched with the audio information to be processed as a recommended tone modifying pattern from multiple preset tone modifying patterns.
Further, after the pitch adjustment and/or the rhythm adjustment of the audio information to be processed according to the recommended manicure mode, the method includes:
when a user selects a sound modification mode, receiving the sound modification mode selected by the user;
and performing pitch adjustment and/or rhythm adjustment on the audio information to be processed according to the sound modifying mode selected by the user.
Further, after the pitch adjustment and/or the rhythm adjustment of the audio information to be processed according to the recommended manicure mode, the method includes:
and calculating the tone accuracy rate improvement rate of the adjusted audio information to be processed.
In order to achieve the above object, according to another aspect of the present application, there is provided a sound correction device including:
the audio acquisition unit is used for acquiring audio information to be processed;
the mode determining unit is used for determining a recommended sound modification mode from a plurality of preset sound modification modes according to the standard audio information corresponding to the audio information to be processed in a preset template;
and the sound modifying processing unit is used for carrying out pitch adjustment and/or rhythm adjustment on the audio information to be processed according to the recommended sound modifying mode.
Further, the sound modification processing unit includes:
the mode query module is used for querying a tone modification mode table and acquiring a pitch adjustment mode and/or rhythm adjustment mode corresponding to the recommended tone modification mode;
and the adjusting unit is used for adjusting the audio information to be processed according to a pitch adjusting mode and/or a rhythm adjusting mode corresponding to the recommended tone modifying mode.
Further, the mode determination unit includes:
the characteristic extraction unit is used for extracting the characteristics of the audio information to be processed to obtain the rhythm characteristics and pitch characteristics of the audio information to be processed;
and the matching calculation module is used for performing pattern matching calculation according to the rhythm characteristic and the pitch characteristic of the audio information to be processed and the rhythm template and the pitch template in the standard audio information, and determining a tone modifying pattern matched with the audio information to be processed as a recommended tone modifying pattern from multiple preset tone modifying patterns.
Further, the sound correcting device includes:
and the mode selection unit is used for receiving the sound modification mode selected by the user when the user selects the sound modification mode.
Further, the sound correcting device includes:
and the calculation module is used for calculating the accuracy rate improvement rate of the tone of the adjusted audio information to be processed.
In the embodiment of the application, a modifying mode which is most consistent with the level of the song sung by the user is determined from a plurality of preset modifying modes according to the level of the song sung by the user and is used as a recommended modifying mode, and the song sung by the user is adjusted according to the recommended modifying mode, so that the purpose of determining the modifying mode according to the level of the song sung by the user is achieved, the naturalness of the modified song is ensured, the self judgment of the user is not needed, and the beneficial effect of automatically judging the most suitable modifying mode according to the level of the song sung by the user is achieved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a flow chart of a method for modifying a sound according to a first embodiment of the present application;
FIG. 2 is a flow chart of a method for modifying sound according to a second embodiment of the present application;
FIG. 3 is a flow chart of a sound modification method according to a third embodiment of the present application;
FIG. 4 is a flow chart of a sound modification method according to a fourth embodiment of the present application;
FIG. 5 is a schematic structural diagram of a sound correction device according to a first embodiment of the present application;
FIG. 6 is a schematic structural diagram of a sound correction device according to a second embodiment of the present application;
FIG. 7 is a schematic structural diagram of a sound correction device according to a third embodiment of the present application; and
fig. 8 is a schematic structural diagram of a sound correction device according to a fourth embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, the present application relates to a sound modifying method, which includes steps S102 to S106.
Step S102, audio information to be processed is obtained. In this step, the audio of the song sung by the user may be acquired through the microphone of the mobile terminal, and the audio of the song is preferably the dry sound audio of the song sung by the user. In an optional embodiment of the present application, the mobile terminal may be an electronic device with a recording function, such as a mobile phone and a tablet computer.
And step S104, determining a recommended sound modification mode from a plurality of preset sound modification modes according to the standard audio information corresponding to the audio information to be processed in a preset template. In the step, firstly, template audio information corresponding to a song sung by a user is obtained, the template audio information comprises pitch characteristics and lyric characteristics of the song, the template audio information is preferably downloaded to the local before the user sung the song and is stored, and further, by comparing the song audio sung by the user with the template audio information, a trimming mode which is most matched with the audio level of the song sung by the user is determined from a plurality of preset trimming modes to be used as a default trimming mode.
In an optional embodiment of the present application, the preset modifying mode includes: aiming at a mild voice modification mode with small tone-level deviation between the song audio sung by the user and the template audio information; aiming at a moderate voice modification mode with large intonation deviation between the song audio sung by the user and the template audio information; aiming at the deep tone modifying mode with large tone scale deviation between the song audio sung by the user and the template audio information, because the processing objects of each tone modifying mode are different, the pitch adjusting mode and the rhythm adjusting mode of each tone modifying mode are also different, and the recommended tone modifying mode corresponding to the song audio sung by the user can be judged according to the range of the tone scale deviation by calculating the tone scale deviation between the song audio sung by the user and the template audio.
And S106, carrying out pitch adjustment and/or rhythm adjustment on the audio information to be processed according to the recommended sound modifying mode. In this step, after the recommended sound modifying mode corresponding to the level of the song sung by the user is determined, a sound modifying instruction of the user is received, and sound modifying processing is performed on the audio frequency of the song sung by the user according to a pitch adjusting mode and/or a rhythm adjusting mode corresponding to the recommended sound modifying mode.
As shown in fig. 2, in step S106, the pitch adjustment and/or the rhythm adjustment of the audio information to be processed according to the recommended trimming mode specifically includes steps S202 to S204.
Step S202, a tone modifying mode table is inquired, a pitch adjusting mode and/or a rhythm adjusting mode corresponding to the recommended tone modifying mode are obtained, each tone modifying mode corresponds to a pitch adjusting mode and/or rhythm adjusting mode, for example, only the pitch of the audio is finely adjusted in the mild tone modifying mode, and the rhythm is not adjusted; in the medium pitch modification mode, the rhythm is adjusted sentence by sentence while the pitch of the audio is adjusted; and in the deep sound modifying mode, the pitch and the rhythm of the audio frequency can be adjusted word by word, and in the step, a pitch adjusting mode and/or a rhythm adjusting mode corresponding to the recommended sound modifying mode are obtained by inquiring a sound modifying mode table.
Step S204, in this step, the audio information to be processed is adjusted according to the pitch adjustment mode and/or the rhythm adjustment mode corresponding to the recommended sound modification mode obtained in step S202, so as to obtain adjusted audio information.
As shown in fig. 3, in step S104, the determining a recommended sound modification mode from multiple preset sound modification modes according to the standard audio information corresponding to the audio information to be processed in the preset template specifically includes steps S302 to S304.
Step S302, extracting the characteristics of the audio information to be processed to obtain the rhythm characteristics and pitch characteristics of the audio information to be processed, wherein in the step S, the stem sound, the rhythm characteristics and the pitch characteristics of the song sung by the user are obtained through characteristic extraction, the rhythm characteristics are the lyrics of the song sung by the user and the pitch division point characteristics, and the pitch characteristics are the pitch of each time point of the song sung by the user.
Step S304, performing pattern matching calculation according to the rhythm characteristic and the pitch characteristic of the audio information to be processed and the rhythm template and the pitch template in the standard audio information, and determining a tone modifying pattern matched with the audio information to be processed as a recommended tone modifying pattern from a plurality of preset tone modifying patterns. Comparing the rhythm characteristics of the song sung by the user with the lyrics and the syllable dividing point template in the template audio information, and calculating to obtain a time offset sequence of the song sung by the user; obtaining song pitch characteristics from songs sung by a user, comparing the song pitch characteristics with a pitch template in template audio information, and calculating to obtain a pitch difference sequence of the songs of the user; and comparing the time offset range of the time offset sequence and the pitch difference range of the pitch difference sequence with a matching table of the sound modifying patterns, wherein different sound modifying patterns correspond to different time offset ranges and pitch difference ranges, and matching to obtain the sound modifying pattern corresponding to the song sung by the user and using the sound modifying pattern as a recommended sound modifying pattern.
As shown in fig. 4, in step S106, after performing pitch adjustment and/or rhythm adjustment on the audio information to be processed according to the recommended trimming mode, the method further includes: step S402 to step S404.
Step S402, when the user selects the sound modifying mode, the sound modifying mode selected by the user is received. In this step, when the user is not satisfied with the sound modifying effect of the recommended sound modifying mode, wants to try the sound modifying effect of other sound modifying modes, or wants to preserve more individuality of the songs sung by himself, for example, the user likes little innovation with the rhythm of singing himself, the above-mentioned mild sound modifying mode of the untrimmed rhythm may be selected. After finishing modifying the sound according to the recommended sound modifying mode, the user can select other sound modifying modes to modify the sound of the song sung by the user again.
And S404, performing pitch adjustment and/or rhythm adjustment on the audio information to be processed according to the sound modifying mode selected by the user. In this step, after receiving the tone modifying mode selected by the user, querying a tone modifying mode table, obtaining a pitch adjusting mode and/or a rhythm adjusting mode corresponding to the tone modifying mode selected by the user, and re-modifying the song sung by the user according to the pitch adjusting mode and/or the rhythm adjusting mode.
In the sound modifying method of the present application, after performing pitch adjustment and/or rhythm adjustment on the audio information to be processed according to the recommended sound modifying mode, the method further includes: and calculating the tone accuracy rate improvement rate of the adjusted audio information to be processed. The method specifically comprises the following steps: calculating the accuracy of the tone level of the audio information to be processed before adjustment; calculating the tone accuracy of the adjusted audio information to be processed; and obtaining the accuracy improvement rate of the adjusted accuracy of the audio information to be processed according to the accuracy of the audio information to be processed before the adjustment and the accuracy of the adjusted audio information to be processed.
According to another aspect of the present application, there is provided a sound modifying apparatus.
As shown in fig. 5, the sound correcting device includes: audio acquisition unit 1, mode determination unit 2, and manicure processing unit 3, wherein:
the audio acquiring unit 1 is configured to acquire a song audio sung by the user through a microphone, and in an optional embodiment of the present application, the song audio sung by the user may be acquired through a mobile phone;
the mode determining unit 2 is configured to determine a recommended sound modification mode from multiple preset sound modification modes according to template audio information corresponding to the song audio sung by the user in a preset template;
and the modifying processing unit 3 is configured to perform pitch adjustment and/or rhythm adjustment on the song audio sung by the user according to the recommended modifying mode.
As shown in fig. 6, the sound modification processing unit 3 includes: a mode query module 31 and an adjustment unit 32, wherein:
the mode query module 31 is configured to query a sound modification mode table to obtain a pitch adjustment mode and/or a rhythm adjustment mode corresponding to the recommended sound modification mode;
the adjusting unit 32 is configured to adjust the audio information to be processed according to a pitch adjustment manner and/or a rhythm adjustment manner corresponding to the recommended sound modification mode.
As shown in fig. 7, the mode determination unit 2 includes: a feature extraction unit 21 and a matching calculation module 22, wherein:
the feature extraction unit 21 is configured to perform feature extraction on the audio information to be processed to obtain a rhythm feature and a pitch feature of the audio information to be processed;
the matching calculation module 22 is configured to perform pattern matching calculation according to the rhythm feature and the pitch feature of the audio information to be processed and the rhythm template and the pitch template in the standard audio information, and determine, from multiple preset sound modification patterns, a sound modification pattern matched with the audio information to be processed as a recommended sound modification pattern.
As shown in fig. 8, the sound correction device further includes: and the mode selection unit 4 is used for receiving the sound modification mode selected by the user when the user selects the sound modification mode.
The sound modifying device further comprises a calculating module for calculating the adjusted accuracy improvement rate of the sound level of the audio information to be processed.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and they may alternatively be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, or fabricated separately as individual integrated circuit modules, or fabricated as a single integrated circuit module from multiple modules or steps. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. A method of modifying sound, comprising:
acquiring audio information to be processed;
determining a recommended sound modification mode from a plurality of preset sound modification modes according to the standard audio information corresponding to the audio information to be processed in a preset template;
carrying out pitch adjustment and/or rhythm adjustment on the audio information to be processed according to the recommended sound modifying mode;
the determining a recommended sound modification mode from a plurality of preset sound modification modes according to the standard audio information corresponding to the audio information to be processed in a preset template includes:
extracting the characteristics of the audio information to be processed to obtain the rhythm characteristics and pitch characteristics of the audio information to be processed;
performing mode matching calculation according to the rhythm characteristic and pitch characteristic of the audio information to be processed and the rhythm template and pitch template in the standard audio information, and determining a tone modifying mode matched with the audio information to be processed as a recommended tone modifying mode from multiple preset tone modifying modes;
after the pitch adjustment and/or rhythm adjustment is performed on the audio information to be processed according to the recommended sound modification mode, the method comprises the following steps:
when a user selects a sound modification mode, receiving the sound modification mode selected by the user;
and performing pitch adjustment and/or rhythm adjustment on the audio information to be processed according to the sound modifying mode selected by the user.
2. The method according to claim 1, wherein the pitch-adjusting and/or rhythm-adjusting the audio information to be processed according to the recommended sound-modifying pattern comprises:
inquiring a tone modification mode table to obtain a pitch adjustment mode and/or rhythm adjustment mode corresponding to the recommended tone modification mode;
and adjusting the audio information to be processed according to a pitch adjustment mode and/or a rhythm adjustment mode corresponding to the recommended tone modification mode.
3. The method according to claim 1, wherein after pitch-adjusting and/or rhythm-adjusting the audio information to be processed according to the recommended sound-modifying pattern, the method comprises:
and calculating the tone accuracy rate improvement rate of the adjusted audio information to be processed.
4. A sound modifying apparatus, comprising:
the audio acquisition unit is used for acquiring audio information to be processed;
the mode determining unit is used for determining a recommended sound modification mode from a plurality of preset sound modification modes according to the standard audio information corresponding to the audio information to be processed in a preset template;
the tone modifying processing unit is used for carrying out pitch adjustment and/or rhythm adjustment on the audio information to be processed according to the recommended tone modifying mode;
the mode determination unit includes:
the characteristic extraction unit is used for extracting the characteristics of the audio information to be processed to obtain the rhythm characteristics and pitch characteristics of the audio information to be processed;
the matching calculation module is used for performing mode matching calculation according to the rhythm characteristic and the pitch characteristic of the audio information to be processed and the rhythm template and the pitch template in the standard audio information, and determining a tone modifying mode matched with the audio information to be processed as a recommended tone modifying mode from a plurality of preset tone modifying modes;
the sound correcting device comprises:
and the mode selection unit is used for receiving the sound modification mode selected by the user when the user selects the sound modification mode.
5. The sound modifying apparatus according to claim 4, wherein the sound modifying processing unit includes:
the mode query module is used for querying a tone modification mode table and acquiring a pitch adjustment mode and/or rhythm adjustment mode corresponding to the recommended tone modification mode;
and the adjusting unit is used for adjusting the audio information to be processed according to a pitch adjusting mode and/or a rhythm adjusting mode corresponding to the recommended tone modifying mode.
6. The sound modifying apparatus according to claim 4, wherein the sound modifying apparatus comprises:
and the calculation module is used for calculating the accuracy rate improvement rate of the tone of the adjusted audio information to be processed.
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| CN112825245B (en) * | 2019-11-20 | 2023-04-28 | 北京声智科技有限公司 | Real-time sound repairing method and device and electronic equipment |
| CN111048094A (en) * | 2019-11-26 | 2020-04-21 | 珠海格力电器股份有限公司 | Audio information adjusting method, device, equipment and medium |
| CN110910862B (en) * | 2019-12-06 | 2024-03-08 | 广州酷狗计算机科技有限公司 | Audio adjustment method, device, server and computer readable storage medium |
| CN112447182A (en) * | 2020-10-20 | 2021-03-05 | 开放智能机器（上海）有限公司 | Automatic sound modification system and sound modification method |
| CN113314093B (en) * | 2021-06-01 | 2024-04-12 | 广州酷狗计算机科技有限公司 | Audio synthesis method, device, terminal and storage medium |
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