CN108962293B - Video correction method, system, terminal device and storage medium - Google Patents
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Abstract
The invention discloses a video correction method, a system, terminal equipment and a storage medium, wherein the audio to be processed and the video to be processed are obtained by separating the video to be processed; taking the audio to be processed after the error audio clip is deleted as the audio to be corrected; acquiring a re-recorded audio clip, and determining a target audio clip from the re-recorded audio clip; when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, carrying out splicing processing on the target audio clip and the audio to be corrected to obtain the audio subjected to splicing processing; the audio after the splicing processing and the video to be processed are fused to obtain the corrected video, error voice signals appearing in the video can be rapidly and gradually processed, the speed and the efficiency of video production are improved, the method is more practical, easy to operate and capable of improving user experience.
Description
Technical Field
The present invention relates to the field of video production, and in particular, to a method and a system for video correction, a terminal device, and a storage medium.
Background
People can receive a plurality of information at any time through the internet, including various media resources such as music, characters, pictures, videos and the like. The network draws the distance between people, and a plurality of resources can be shared through the network, video is the most main media resource, the video resource does not need to be on voice and video, so that real feeling is provided for people, and meanwhile, the visual mode is displayed and is easier to understand by people. At present, due to the development of mobile internet, online video learning and communication can be carried out anytime and anywhere, wherein network education is important content of network video resources.
The video production process is a complex process, for example, video courses watched by people are often subjected to multi-process trimming, which takes much time and labor. The recording of lectures from the first lecturer in a video recording hall to the editing of later editing operators is that the lecturer often has a certain degree of oral errors when recording in a video recording room, measures are generally taken in the later video making process to re-record the video or directly cut off the video, a simple, convenient and quick method for simply correcting voice signals in the video is not available, and the problem can occur in almost all video making processes.
Disclosure of Invention
The invention mainly aims to provide a video correction method, a video correction system, terminal equipment and a storage medium, and aims to solve the technical problem that an error voice signal in a video cannot be corrected in the prior art.
In order to achieve the above object, the present invention provides a video correction method, which includes the following steps:
separating the videos to be processed to obtain audio to be processed and video to be processed;
after a positioning command input by a user is received, determining an error audio frequency segment in the audio frequency to be processed according to a positioning starting point and a positioning ending point in the positioning command, deleting the error audio frequency segment, and taking the audio frequency to be processed after the error audio frequency segment is deleted as the audio frequency to be corrected;
acquiring a re-recorded audio clip, and determining a target audio clip from the re-recorded audio clip;
judging whether the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point;
when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, carrying out splicing processing on the target audio clip and the audio to be corrected to obtain the audio subjected to splicing processing;
and fusing the spliced audio and the video to be processed to obtain a corrected video.
Preferably, the acquiring the re-recorded audio segment and determining the target audio segment from the re-recorded audio segment specifically include:
receiving a re-recorded audio clip, finding a head and tail redundant part in the re-recorded audio clip through a cutting command input by a user, and cutting the head and tail redundant part;
and taking the cut audio segment as a target audio segment.
Preferably, when the start point and the stop point of the target audio clip are consistent with the positioning start point and the positioning stop point, performing splicing processing on the target audio clip and the audio to be corrected to obtain a spliced audio, specifically including:
when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, acquiring a pitch parameter, a tone parameter and a playing speed parameter of the audio to be corrected;
correspondingly adjusting the target audio clip according to the pitch parameter, the tone parameter and the playing speed to ensure that the pitch, the tone and the playing speed of the target audio clip are consistent with the audio to be corrected;
and connecting the adjusted target audio frequency segment with the audio frequency to be corrected to obtain the audio frequency after splicing.
Preferably, after determining whether the start-stop point of the target audio segment is consistent with the positioning start-stop point, the video recording correction method further includes:
and when the starting point and the ending point of the target audio clip are not consistent with the positioning starting point and the positioning ending point, re-determining the target audio clip from the re-recorded audio clip so as to enable the re-determined starting point and the re-determined ending point of the target audio clip to be consistent with the positioning starting point and the positioning ending point.
Preferably, when the start point and the stop point of the target audio segment are not consistent with the positioning start point and the stop point, re-determining the target audio segment from the re-recorded audio segment specifically includes:
when the starting point and the stopping point of the target audio clip are inconsistent with the positioning starting point and the positioning stopping point, acquiring waveform parameters of the re-recorded audio clip and a waveform of the audio to be corrected;
and finding a first audio segment which is smoothly connected with the waveform of the audio to be corrected from the re-recorded audio segments according to the waveform parameters, and taking the first audio segment as a re-determined target audio segment.
In addition, to achieve the above object, the present invention further provides a terminal device, including: a memory, a processor, and a video cassette recording revision program stored on the memory and executable on the processor, the video cassette recording revision program configured to implement the steps of the video cassette recording revision method as described above.
In addition, in order to achieve the above object, the present invention further provides a storage medium having a video recording modification program stored thereon, wherein the video recording modification program, when executed by a processor, implements the steps of the video recording modification method as described above.
In addition, to achieve the above object, the present invention further provides a video recording correction system, including:
the video separation module is used for separating the videos to be processed to obtain separated audio to be processed and video to be processed;
the audio positioning module is used for determining an error audio segment from the audio to be processed according to the positioning command after receiving the positioning command, deleting the error audio segment, and taking the audio to be processed after deleting the error audio segment as the audio to be corrected;
the target audio determining module is used for acquiring the re-recorded audio segments and determining the target audio segments from the re-recorded audio segments;
the start and stop point judging module is used for judging whether the start and stop point of the target audio clip is consistent with the positioning start and stop point or not;
the audio splicing module is used for splicing the target audio clip and the audio to be corrected when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, so as to obtain the audio subjected to splicing;
and the fusion module is used for fusing the spliced audio and the video to be processed to obtain the corrected video.
Preferably, the audio splicing module comprises:
the parameter acquisition module is used for acquiring a pitch parameter, a tone parameter and a playing speed parameter of the audio to be corrected when the start point and the stop point of the target audio clip are consistent with the positioning start point and the positioning stop point;
the audio adjusting module is used for correspondingly adjusting the target audio clip according to the pitch parameter, the tone parameter and the playing speed so as to enable the pitch, the tone and the playing speed of the target audio clip to be consistent with the audio to be corrected;
and the connection module is used for connecting the adjusted target audio clip with the audio to be corrected to obtain the spliced audio.
Preferably, the video recording correction system further includes: the device comprises a waveform acquisition module and an audio re-determination module; wherein,
the waveform acquisition module is used for acquiring waveform parameters of the re-recorded audio clip and a waveform of the audio to be corrected when the start point and the stop point of the target audio clip are inconsistent with the positioning start point and the positioning stop point;
and the audio re-determining module is used for finding a first audio segment which is smoothly connected with the waveform of the audio to be corrected from the re-recorded audio segments according to the waveform parameters, and taking the first audio segment as a re-determined target audio segment.
The video correction method provided by the invention separates the videos to be processed to obtain the audio to be processed and the video to be processed; after a positioning command input by a user is received, determining an error audio frequency segment in the audio frequency to be processed according to a positioning starting point and a positioning ending point in the positioning command, deleting the error audio frequency segment, and taking the audio frequency to be processed after the error audio frequency segment is deleted as the audio frequency to be corrected; acquiring a re-recorded audio clip, and determining a target audio clip from the re-recorded audio clip; judging whether the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point; when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, carrying out splicing processing on the target audio clip and the audio to be corrected to obtain the audio subjected to splicing processing; the audio after the splicing processing and the video to be processed are fused to obtain the corrected video, error voice signals appearing in the video can be rapidly and gradually processed, the speed and the efficiency of video production are improved, the method is more practical, easy to operate and capable of improving user experience.
Drawings
Fig. 1 is a schematic structural diagram of a terminal device in a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a video recording modification method according to a first embodiment of the present invention;
FIG. 3 is a flowchart illustrating a video recording modification method according to a second embodiment of the present invention;
FIG. 4 is a flowchart illustrating a video recording modification method according to a third embodiment of the present invention;
FIG. 5 is a functional block diagram of a video correction system according to a first embodiment of the present invention;
fig. 6 is a functional block diagram of a video recording correction system according to a second embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The solution of the embodiment of the invention is mainly as follows: the method comprises the steps of separating videos to be processed to obtain audio to be processed and videos to be processed; after a positioning command input by a user is received, determining an error audio frequency segment in the audio frequency to be processed according to a positioning starting point and a positioning ending point in the positioning command, deleting the error audio frequency segment, and taking the audio frequency to be processed after the error audio frequency segment is deleted as the audio frequency to be corrected; acquiring a re-recorded audio clip, and determining a target audio clip from the re-recorded audio clip; judging whether the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point; when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, carrying out splicing processing on the target audio clip and the audio to be corrected to obtain the audio subjected to splicing processing; the audio frequency after the splicing processing and the video to be processed are fused to obtain the corrected video, the error voice signals appearing in the video can be rapidly and gradually changed, the speed and the efficiency of video production are improved, the method is more practical, easy to operate, user experience is improved, and the technical problem that the error voice signals in the video cannot be corrected in the prior art is solved.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a terminal device in a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 1, the terminal device may include: a processor 1001, such as a CPU, a communication bus 1002, a user side interface 1003, a network interface 1004, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the terminal device configuration shown in fig. 1 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a storage 1005 as a storage medium may include an operating system, a network communication module, a client interface module, and a video modification program.
The terminal device of the present invention calls the video recording correction program stored in the memory 1005 via the processor 1001, and executes the following operations:
separating the videos to be processed to obtain audio to be processed and video to be processed;
after a positioning command input by a user is received, determining an error audio frequency segment in the audio frequency to be processed according to a positioning starting point and a positioning ending point in the positioning command, deleting the error audio frequency segment, and taking the audio frequency to be processed after the error audio frequency segment is deleted as the audio frequency to be corrected;
acquiring a re-recorded audio clip, and determining a target audio clip from the re-recorded audio clip;
judging whether the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point;
when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, carrying out splicing processing on the target audio clip and the audio to be corrected to obtain the audio subjected to splicing processing;
and fusing the spliced audio and the video to be processed to obtain a corrected video.
Further, processor 1001 may call a video recording modification program stored in memory 1005, and further perform the following operations:
receiving a re-recorded audio clip, finding a head and tail redundant part in the re-recorded audio clip through a cutting command input by a user, and cutting the head and tail redundant part;
and taking the cut audio segment as a target audio segment.
Further, processor 1001 may call a video recording modification program stored in memory 1005, and further perform the following operations:
when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, acquiring a pitch parameter, a tone parameter and a playing speed parameter of the audio to be corrected;
correspondingly adjusting the target audio clip according to the pitch parameter, the tone parameter and the playing speed to ensure that the pitch, the tone and the playing speed of the target audio clip are consistent with the audio to be corrected;
and connecting the adjusted target audio frequency segment with the audio frequency to be corrected to obtain the audio frequency after splicing.
Further, processor 1001 may call a video recording modification program stored in memory 1005, and further perform the following operations:
and when the starting point and the ending point of the target audio clip are not consistent with the positioning starting point and the positioning ending point, re-determining the target audio clip from the re-recorded audio clip so as to enable the re-determined starting point and the re-determined ending point of the target audio clip to be consistent with the positioning starting point and the positioning ending point.
Further, processor 1001 may call a video recording modification program stored in memory 1005, and further perform the following operations:
when the starting point and the stopping point of the target audio clip are inconsistent with the positioning starting point and the positioning stopping point, acquiring waveform parameters of the re-recorded audio clip and a waveform of the audio to be corrected;
and finding a first audio segment which is smoothly connected with the waveform of the audio to be corrected from the re-recorded audio segments according to the waveform parameters, and taking the first audio segment as a re-determined target audio segment.
According to the scheme, the to-be-processed audio and the to-be-processed video are obtained by separating the to-be-processed videos; after a positioning command input by a user is received, determining an error audio frequency segment in the audio frequency to be processed according to a positioning starting point and a positioning ending point in the positioning command, deleting the error audio frequency segment, and taking the audio frequency to be processed after the error audio frequency segment is deleted as the audio frequency to be corrected; acquiring a re-recorded audio clip, and determining a target audio clip from the re-recorded audio clip; judging whether the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point; when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, carrying out splicing processing on the target audio clip and the audio to be corrected to obtain the audio subjected to splicing processing; the audio after the splicing processing and the video to be processed are fused to obtain the corrected video, error voice signals appearing in the video can be rapidly and gradually processed, the speed and the efficiency of video production are improved, the method is more practical, easy to operate and capable of improving user experience.
Based on the hardware structure, the embodiment of the video correction method is provided.
Referring to fig. 2, fig. 2 is a flowchart illustrating a video recording modification method according to a first embodiment of the present invention.
In a first embodiment, the video recording modification method includes the following steps:
and step S10, separating the videos to be processed to obtain the audio to be processed and the video to be processed.
It should be noted that the to-be-processed video is a video that needs to be processed, the to-be-processed video is derived from a video segment that has been recorded by a recording device and is to be processed, and the video format of the to-be-processed video includes, but is not limited to, mp4, avi, wma, rmvb, and the like.
Step S20, after receiving a positioning command input by a user, determining an error audio frequency segment in the audio frequency to be processed according to a positioning start point and a positioning stop point in the positioning command, deleting the error audio frequency segment, and taking the audio frequency to be processed after deleting the error audio frequency segment as the audio frequency to be corrected.
It should be noted that the positioning command is a command which is input by a user and used for positioning the audio to be processed, the positioning command includes a positioning start point and a positioning stop point, the positioning start point and the positioning stop point are start points and stop points used for positioning the audio, and after the positioning command input by the user is received, an error audio segment can be determined in the audio to be processed according to the positioning start point and the positioning stop point in the positioning command, and the error audio segment is deleted, i.e., the error audio segment is scratched and removed from the audio to be processed, so that the audio to be corrected is obtained.
And step S30, acquiring the re-recorded audio segments, and determining the target audio segments from the re-recorded audio segments.
It can be understood that the re-recorded audio segment is a re-recorded audio segment input by a user, and corresponds to the length of the deleted error audio segment, a target audio segment can be determined from the re-recorded audio segment, and the re-recorded audio segment can be taken as a segment for subsequent audio processing, and the re-recorded audio segment can be directly taken on site through a microphone, or directly imported into an audio file generated after recording, wherein the audio format includes, but is not limited to, mp3, cd, ogg, and the like.
And step S40, judging whether the start and stop points of the target audio clip are consistent with the positioning start and stop points.
It should be understood that the start point and the stop point of the target audio segment are the start point and the stop point of the target audio segment, that is, the time length of the target audio segment, and by comparing whether the start point and the stop point of the target audio segment are consistent with each other, it can be determined whether the target audio segment is matched with the audio to be corrected, and whether seamless connection is possible, so as to prepare for subsequent audio connection processing.
In a specific implementation, the input mode of positioning the start and stop points in the positioning command may be input through the start and stop time points, or may be input through a left and right start and stop point sliding button, which is not limited in this embodiment.
And step S50, when the start point and the stop point of the target audio clip are consistent with the positioning start point and the stop point, performing splicing processing on the target audio clip and the audio to be corrected to obtain the audio subjected to splicing processing.
It should be noted that, when the start point and the stop point of the target audio segment are consistent with the positioning start point and the stop point, it is stated that the target audio segment is completely matched with the audio to be corrected, audio splicing and splicing processing can be performed, and the target audio segment and the audio to be corrected are subjected to splicing processing, that is, the target audio segment is inserted into the audio to be corrected and audio connection is performed, so that two audio signals are connected into a continuous and smooth audio signal without interruption or jump between the audio signals, so that the two audio signals form a complete audio again, that is, the audio after splicing processing is obtained.
And step S60, merging the spliced audio and the video to be processed to obtain a corrected video.
It should be noted that the spliced audio and the video to be processed are fused, that is, the spliced audio and the video to be processed are synthesized, so as to obtain a new video, that is, the video to be processed is corrected.
According to the scheme, the to-be-processed audio and the to-be-processed video are obtained by separating the to-be-processed videos; after a positioning command input by a user is received, determining an error audio frequency segment in the audio frequency to be processed according to a positioning starting point and a positioning ending point in the positioning command, deleting the error audio frequency segment, and taking the audio frequency to be processed after the error audio frequency segment is deleted as the audio frequency to be corrected; acquiring a re-recorded audio clip, and determining a target audio clip from the re-recorded audio clip; judging whether the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point; when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, carrying out splicing processing on the target audio clip and the audio to be corrected to obtain the audio subjected to splicing processing; the audio after the splicing processing and the video to be processed are fused to obtain the corrected video, error voice signals appearing in the video can be rapidly and gradually processed, the speed and the efficiency of video production are improved, the method is more practical, easy to operate and capable of improving user experience.
Further, fig. 3 is a flowchart illustrating a second embodiment of the video recording correction method according to the present invention, and as shown in fig. 3, the second embodiment of the video recording correction method according to the present invention is proposed based on the first embodiment, in this embodiment, the step S30 specifically includes the following steps:
and step S31, receiving the re-recorded audio clip, finding the head and tail redundant parts in the re-recorded audio clip through a cutting command input by a user, and cutting the head and tail redundant parts.
And step S32, taking the cut audio clip as a target audio clip.
It should be noted that the cropping command is a command input by a user for cropping a re-recorded audio clip, and the head and tail redundant portions in the re-recorded audio clip can be found through the cropping command, generally, the cropping start and stop point in the cropping command may be determined through manual positioning, or through waveform analysis of the audio clip, the head and tail redundant portions in the re-recorded audio clip are obtained, or certainly, the cropping start and stop point in the cropping command may be determined through other manners, which is not limited in this embodiment; and after finding out the head and tail redundant parts in the re-recorded audio clip, cutting the head and tail redundant parts, wherein the cut audio clip is used as a target audio clip.
Correspondingly, the step S50 specifically includes the following steps:
and step S51, when the start and stop point of the target audio clip is consistent with the positioning start and stop point, acquiring the pitch parameter, the tone parameter and the playing speed parameter of the audio to be corrected.
And step S52, correspondingly adjusting the target audio clip according to the pitch parameter, the tone parameter and the playing speed, so that the pitch, the tone and the playing speed of the target audio clip are consistent with the audio to be corrected.
And step S53, connecting the adjusted target audio clip with the audio to be corrected to obtain the spliced audio.
It should be noted that, the pitch parameter, the tone parameter, and the playing speed parameter of the audio to be modified are parameters corresponding to the pitch, the tone, and the playing speed of the audio to be modified, and after the pitch parameter, the tone parameter, and the playing speed parameter of the audio to be modified are obtained, the target audio segment can be correspondingly adjusted according to the pitch parameter, the tone parameter, and the playing speed, that is, the pitch, the tone, and the playing speed of the target audio segment are adjusted to the pitch parameter, the tone parameter, and the playing speed parameter of the audio to be modified, so that the pitch, the tone, and the playing speed of the target audio segment are consistent with the audio to be modified, and of course, the adjustment processing on the target audio segment can process the playing speed, the tone, and the pitch, and can also process the loudness of the target audio segment, so that the adjusted target audio segment and the audio to be modified are kept consistent in auditory perception.
It can be understood that, by adjusting the target audio segment, the pitch, the tone, and the playing speed of the target audio segment may be made to be consistent with the audio to be corrected, so as to splice the adjusted target audio segment and the audio to be corrected, the splicing of the audio may be to splice the adjusted target audio segment and the audio to be corrected in an overlapping and adding manner, or to splice the adjusted target audio segment and the audio to be corrected in an overlapping and storing manner, or to splice the adjusted target audio segment and the audio to be corrected in a linear proportion overlapping manner, or to splice the adjusted target audio segment and the audio to be corrected in other manners, which is not limited in this embodiment, and by connecting the adjusted target audio segment and the audio to be corrected, the auditory perception of the users can be ensured to be consistent, and the interruption or jump generated in the middle of the audio signal is avoided.
According to the scheme, the head and tail redundant parts in the re-recorded audio clip are found through the cutting command input by the user by receiving the re-recorded audio clip, and the head and tail redundant parts are cut; taking the cut audio clip as a target audio clip, and acquiring a pitch parameter, a tone parameter and a playing speed parameter of the audio to be corrected when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point; correspondingly adjusting the target audio clip according to the pitch parameter, the tone parameter and the playing speed to ensure that the pitch, the tone and the playing speed of the target audio clip are consistent with the audio to be corrected; the adjusted target audio clip is connected with the audio to be corrected to obtain the audio subjected to splicing processing, so that the audio signal can be continuous and smooth, the auditory perception of a user is consistent, interruption or jumping generated in the middle of the audio signal is avoided, the wrong voice signal appearing in the video can be rapidly and gradually changed, the speed and efficiency of video production are improved, the video production method is more practical, easy to operate and capable of improving user experience.
Further, fig. 4 is a flowchart illustrating a video recording correction method according to a third embodiment of the present invention, and as shown in fig. 4, the video recording correction method according to the third embodiment of the present invention is proposed based on the second embodiment, in this embodiment, after step S40, the video recording correction method further includes the following steps:
step S401, when the start-stop point of the target audio segment is inconsistent with the positioning start-stop point, redetermining the target audio segment from the re-recorded audio segments, so that the start-stop point of the redetermined target audio segment is consistent with the positioning start-stop point.
It should be noted that when the start-stop point of the target audio segment is inconsistent with the positioning start-stop point, it indicates that a certain error exists between the start-stop point corresponding to the target audio segment and the positioning start-stop point, and at this time, a message that the start-stop point is inconsistent with the positioning start-stop point may be fed back, so as to re-determine the target audio segment from the re-recorded audio segment, so that the re-determined start-stop point of the target audio segment is consistent with the positioning start-stop point.
Further, the step S401 specifically includes the following steps:
when the starting point and the stopping point of the target audio clip are inconsistent with the positioning starting point and the positioning stopping point, acquiring waveform parameters of the re-recorded audio clip and a waveform of the audio to be corrected;
and finding a first audio segment which is smoothly connected with the waveform of the audio to be corrected from the re-recorded audio segments according to the waveform parameters, and taking the first audio segment as a re-determined target audio segment.
It can be understood that by obtaining the waveform parameters of the re-recorded audio segment and the waveform of the audio to be corrected, the redundant part can be cut from the re-recorded audio segment again, so that the audio segment matched with the waveform of the audio to be corrected, that is, the first audio segment is cut, the first audio segment is taken as a re-determined target audio segment, the re-determined target audio segment can be smoothly connected with the sleeved audio, and the auditory perception of the user can be ensured to be consistent.
According to the scheme, the target audio segment is determined again from the re-recorded audio segment when the start point and the stop point of the target audio segment are inconsistent with the positioning start point and the stop point, so that the start point and the stop point of the re-determined target audio segment are consistent with the positioning start point and the stop point, and the waveform parameter of the re-recorded audio segment and the waveform of the audio to be corrected are obtained when the start point and the stop point of the target audio segment are inconsistent with the positioning start point and the stop point; and finding a first audio segment which is smoothly connected with the waveform of the audio to be corrected from the re-recorded audio segments according to the waveform parameters, and taking the first audio segment as a re-determined target audio segment, so that the audio signals can be more continuous and smooth, the auditory perception of users is ensured to be consistent, the speed and efficiency of video production are improved, and the user experience is improved.
The invention further provides a video correction system.
Referring to fig. 5, fig. 5 is a functional block diagram of a video recording correction system according to a first embodiment of the present invention.
In a first embodiment of a video recording correction system according to the present invention, the video recording correction system includes:
and the video separation module 10 is configured to separate videos to be processed to obtain audio to be processed and videos to be processed.
It should be noted that the to-be-processed video is a video that needs to be processed, the to-be-processed video is derived from a video segment that has been recorded by a recording device and is to be processed, and the video format of the to-be-processed video includes, but is not limited to, mp4, avi, wma, rmvb, and the like.
And the audio positioning module 20 is configured to, after receiving a positioning command input by a user, determine an error audio segment in the audio to be processed according to a positioning start and stop point in the positioning command, delete the error audio segment, and use the audio to be processed after deleting the error audio segment as the audio to be corrected.
It should be noted that the positioning command is a command which is input by a user and used for positioning the audio to be processed, the positioning command includes a positioning start point and a positioning stop point, the positioning start point and the positioning stop point are start points and stop points used for positioning the audio, and after the positioning command input by the user is received, an error audio segment can be determined in the audio to be processed according to the positioning start point and the positioning stop point in the positioning command, and the error audio segment is deleted, i.e., the error audio segment is scratched and removed from the audio to be processed, so that the audio to be corrected is obtained.
And the target audio determining module 30 is configured to obtain the re-recorded audio segments, and determine the target audio segments from the re-recorded audio segments.
It can be understood that the re-recorded audio segment is a re-recorded audio segment input by a user, and corresponds to the length of the deleted error audio segment, a target audio segment can be determined from the re-recorded audio segment, and the re-recorded audio segment can be used as a segment for subsequent audio processing, and the re-recorded audio segment can be directly collected on site through a microphone, or directly imported into an audio file generated after recording, wherein the audio format includes, but is not limited to, mp3, cd, ogg, and the like.
And a start/stop point determining module 40, configured to determine whether the start/stop point of the target audio segment is consistent with the positioning start/stop point.
It should be understood that the start point and the stop point of the target audio segment are the start point and the stop point of the target audio segment, that is, the time length of the target audio segment, and by comparing whether the start point and the stop point of the target audio segment are consistent with each other, it can be determined whether the target audio segment is matched with the audio to be corrected, and whether seamless connection is possible, so as to prepare for subsequent audio connection processing.
In a specific implementation, the input mode of positioning the start and stop points in the positioning command may be input through the start and stop time points, or may be input through a left and right start and stop point sliding button, which is not limited in this embodiment.
And the audio splicing module 50 is configured to perform splicing processing on the target audio segment and the audio to be corrected when the start point and the stop point of the target audio segment are consistent with the positioning start point and the positioning stop point, so as to obtain an audio subjected to splicing processing.
It should be noted that, when the start point and the stop point of the target audio segment are consistent with the positioning start point and the stop point, it is stated that the target audio segment is completely matched with the audio to be corrected, audio splicing and splicing processing can be performed, and the target audio segment and the audio to be corrected are subjected to splicing processing, that is, the target audio segment is inserted into the audio to be corrected and audio connection is performed, so that two audio signals are connected into a continuous and smooth audio signal without interruption or jump between the audio signals, so that the two audio signals form a complete audio again, that is, the audio after splicing processing is obtained.
And the fusion module 60 is configured to fuse the spliced audio and the video to be processed to obtain a modified video.
It should be noted that the spliced audio and the video to be processed are fused, that is, the spliced audio and the video to be processed are synthesized, so as to obtain a new video, that is, the video to be processed is corrected.
According to the scheme, the to-be-processed audio and the to-be-processed video are obtained by separating the to-be-processed videos; after a positioning command input by a user is received, determining an error audio frequency segment in the audio frequency to be processed according to a positioning starting point and a positioning ending point in the positioning command, deleting the error audio frequency segment, and taking the audio frequency to be processed after the error audio frequency segment is deleted as the audio frequency to be corrected; acquiring a re-recorded audio clip, and determining a target audio clip from the re-recorded audio clip; judging whether the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point; when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, carrying out splicing processing on the target audio clip and the audio to be corrected to obtain the audio subjected to splicing processing; the audio after the splicing processing and the video to be processed are fused to obtain the corrected video, error voice signals appearing in the video can be rapidly and gradually processed, the speed and the efficiency of video production are improved, the method is more practical, easy to operate and capable of improving user experience.
Further, fig. 6 is a functional block diagram of a second embodiment of the video recording correction system of the present invention, and as shown in fig. 6, the second embodiment of the video recording correction system of the present invention is proposed based on the first embodiment, in this embodiment, the audio splicing module 50 includes:
and the parameter obtaining module 51 is configured to obtain a pitch parameter, a tone parameter, and a playing speed parameter of the audio to be modified when the start point and the stop point of the target audio segment are consistent with the positioning start point and the positioning stop point.
And the audio adjusting module 52 is configured to correspondingly adjust the target audio segment according to the pitch parameter, the tone parameter, and the playing speed, so that the pitch, the tone, and the playing speed of the target audio segment are consistent with the audio to be corrected.
And the connection module 53 is configured to connect the adjusted target audio segment with the audio to be corrected, so as to obtain an audio subjected to splicing processing.
It should be noted that, the pitch parameter, the tone parameter, and the playing speed parameter of the audio to be modified are parameters corresponding to the pitch, the tone, and the playing speed of the audio to be modified, and after the pitch parameter, the tone parameter, and the playing speed parameter of the audio to be modified are obtained, the target audio segment can be correspondingly adjusted according to the pitch parameter, the tone parameter, and the playing speed, that is, the pitch, the tone, and the playing speed of the target audio segment are adjusted to the pitch parameter, the tone parameter, and the playing speed parameter of the audio to be modified, so that the pitch, the tone, and the playing speed of the target audio segment are consistent with the audio to be modified, and of course, the adjustment processing on the target audio segment can process the playing speed, the tone, and the pitch, and can also process the loudness of the target audio segment, so that the adjusted target audio segment and the audio to be modified are kept consistent in auditory perception.
It can be understood that, by adjusting the target audio segment, the pitch, the tone, and the playing speed of the target audio segment may be made to be consistent with the audio to be corrected, so as to splice the adjusted target audio segment and the audio to be corrected, the splicing of the audio may be to splice the adjusted target audio segment and the audio to be corrected in an overlapping and adding manner, or to splice the adjusted target audio segment and the audio to be corrected in an overlapping and storing manner, or to splice the adjusted target audio segment and the audio to be corrected in a linear proportion overlapping manner, or to splice the adjusted target audio segment and the audio to be corrected in other manners, which is not limited in this embodiment, and by connecting the adjusted target audio segment and the audio to be corrected, the auditory perception of the users can be ensured to be consistent, and the interruption or jump generated in the middle of the audio signal is avoided.
Further, the video correction system further includes: a waveform acquisition module 70 and an audio re-determination module 80; wherein,
the waveform obtaining module 70 is configured to obtain a waveform parameter of a re-recorded audio segment and a waveform of an audio to be corrected when the start point and the stop point of the target audio segment are inconsistent with the positioning start point and the positioning stop point.
The audio re-determining module 80 is configured to find a first audio segment that is smoothly connected to the waveform of the audio to be modified from the re-recorded audio segments according to the waveform parameters, and use the first audio segment as a re-determined target audio segment.
It can be understood that by obtaining the waveform parameters of the re-recorded audio segment and the waveform of the audio to be corrected, the redundant part can be cut from the re-recorded audio segment again, so that the audio segment matched with the waveform of the audio to be corrected, that is, the first audio segment is cut, the first audio segment is taken as a re-determined target audio segment, the re-determined target audio segment can be smoothly connected with the sleeved audio, and the auditory perception of the user can be ensured to be consistent.
According to the scheme, the target audio segment is determined again from the re-recorded audio segment when the start point and the stop point of the target audio segment are inconsistent with the positioning start point and the stop point, so that the start point and the stop point of the re-determined target audio segment are consistent with the positioning start point and the stop point, and the waveform parameter of the re-recorded audio segment and the waveform of the audio to be corrected are obtained when the start point and the stop point of the target audio segment are inconsistent with the positioning start point and the stop point; and finding a first audio segment which is smoothly connected with the waveform of the audio to be corrected from the re-recorded audio segments according to the waveform parameters, and taking the first audio segment as a re-determined target audio segment, so that the audio signals can be more continuous and smooth, the auditory perception of users is ensured to be consistent, the speed and efficiency of video production are improved, and the user experience is improved.
In addition, an embodiment of the present invention further provides a storage medium, where a video modification program is stored on the storage medium, and when executed by a processor, the video modification program implements the following operations:
separating the videos to be processed to obtain audio to be processed and video to be processed;
after a positioning command input by a user is received, determining an error audio frequency segment in the audio frequency to be processed according to a positioning starting point and a positioning ending point in the positioning command, deleting the error audio frequency segment, and taking the audio frequency to be processed after the error audio frequency segment is deleted as the audio frequency to be corrected;
acquiring a re-recorded audio clip, and determining a target audio clip from the re-recorded audio clip;
judging whether the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point;
when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, carrying out splicing processing on the target audio clip and the audio to be corrected to obtain the audio subjected to splicing processing;
and fusing the spliced audio and the video to be processed to obtain a corrected video.
Further, the video recording modification program when executed by the processor further implements the following operations:
receiving a re-recorded audio clip, finding a head and tail redundant part in the re-recorded audio clip through a cutting command input by a user, and cutting the head and tail redundant part;
and taking the cut audio segment as a target audio segment.
Further, the video recording modification program when executed by the processor further implements the following operations:
when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, acquiring a pitch parameter, a tone parameter and a playing speed parameter of the audio to be corrected;
correspondingly adjusting the target audio clip according to the pitch parameter, the tone parameter and the playing speed to ensure that the pitch, the tone and the playing speed of the target audio clip are consistent with the audio to be corrected;
and connecting the adjusted target audio frequency segment with the audio frequency to be corrected to obtain the audio frequency after splicing.
Further, the video recording modification program when executed by the processor further implements the following operations:
and when the starting point and the ending point of the target audio clip are not consistent with the positioning starting point and the positioning ending point, re-determining the target audio clip from the re-recorded audio clip so as to enable the re-determined starting point and the re-determined ending point of the target audio clip to be consistent with the positioning starting point and the positioning ending point.
Further, the video recording modification program when executed by the processor further implements the following operations:
when the starting point and the stopping point of the target audio clip are inconsistent with the positioning starting point and the positioning stopping point, acquiring waveform parameters of the re-recorded audio clip and a waveform of the audio to be corrected;
and finding a first audio segment which is smoothly connected with the waveform of the audio to be corrected from the re-recorded audio segments according to the waveform parameters, and taking the first audio segment as a re-determined target audio segment.
According to the scheme, the to-be-processed audio and the to-be-processed video are obtained by separating the to-be-processed videos; after a positioning command input by a user is received, determining an error audio frequency segment in the audio frequency to be processed according to a positioning starting point and a positioning ending point in the positioning command, deleting the error audio frequency segment, and taking the audio frequency to be processed after the error audio frequency segment is deleted as the audio frequency to be corrected; acquiring a re-recorded audio clip, and determining a target audio clip from the re-recorded audio clip; judging whether the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point; when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, carrying out splicing processing on the target audio clip and the audio to be corrected to obtain the audio subjected to splicing processing; the audio after the splicing processing and the video to be processed are fused to obtain the corrected video, error voice signals appearing in the video can be rapidly and gradually processed, the speed and the efficiency of video production are improved, the method is more practical, easy to operate and capable of improving user experience.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
The above description is only a preferred 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, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. A video correction method is characterized in that the video correction method comprises the following steps:
separating the videos to be processed to obtain audio to be processed and video to be processed;
after a positioning command input by a user is received, determining an error audio frequency segment in the audio frequency to be processed according to a positioning starting point and a positioning ending point in the positioning command, deleting the error audio frequency segment, and taking the audio frequency to be processed after the error audio frequency segment is deleted as the audio frequency to be corrected;
receiving a re-recorded audio clip, determining a cutting start point and a cutting end point in a cutting command input by a user according to the waveform of the audio clip, finding a head and tail redundant part in the re-recorded audio clip according to the cutting start point and the cutting end point, and cutting the head and tail redundant part;
taking the cut audio clip as a target audio clip;
judging whether the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point;
when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, carrying out splicing processing on the target audio clip and the audio to be corrected to obtain the audio subjected to splicing processing;
fusing the spliced audio and the video to be processed to obtain a corrected video;
when the start point and the stop point of the target audio clip are consistent with the positioning start point and the positioning stop point, performing splicing processing on the target audio clip and the audio to be corrected to obtain the audio after splicing processing, which specifically comprises:
when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, acquiring a pitch parameter, a tone parameter and a playing speed parameter of the audio to be corrected;
correspondingly adjusting the target audio clip according to the pitch parameter, the tone parameter and the playing speed to ensure that the pitch, the tone and the playing speed of the target audio clip are consistent with the audio to be corrected;
performing linear proportion splicing processing on the adjusted target audio frequency segment and the audio frequency to be corrected to obtain a spliced audio frequency;
after determining whether the start-stop point of the target audio clip is consistent with the positioning start-stop point, the video recording correction method further includes:
when the starting point and the stopping point of the target audio clip are inconsistent with the positioning starting point and the positioning stopping point, acquiring waveform parameters of the re-recorded audio clip and a waveform of the audio to be corrected;
and finding a first audio segment which is smoothly connected with the waveform of the audio to be corrected from the re-recorded audio segments according to the waveform parameters, and taking the first audio segment as a re-determined target audio segment so as to enable the start point and the stop point of the re-determined target audio segment to be consistent with the positioning start point and the stop point.
2. A terminal device, characterized in that the terminal device comprises: a memory, a processor, and a video correction program stored on the memory and executable on the processor, the video correction program configured to implement the steps of the video correction method of claim 1.
3. A storage medium having a video recording modification program stored thereon, wherein the video recording modification program when executed by a processor implements the steps of the video recording modification method of claim 1.
4. A video correction system, comprising:
the video separation module is used for separating the videos to be processed to obtain separated audio to be processed and video to be processed;
the audio positioning module is used for determining an error audio segment from the audio to be processed according to the positioning command after receiving the positioning command, deleting the error audio segment, and taking the audio to be processed after deleting the error audio segment as the audio to be corrected;
the target audio determining module is used for acquiring the re-recorded audio segments and determining the target audio segments from the re-recorded audio segments;
the target audio determining module is further configured to receive a re-recorded audio clip, determine a cutting start point and a cutting end point in a cutting command input by a user according to a waveform of the audio clip, find a head and tail redundant part in the re-recorded audio clip according to the cutting start point and the cutting end point, and cut the head and tail redundant part; taking the cut audio clip as a target audio clip;
the start and stop point judging module is used for judging whether the start and stop point of the target audio clip is consistent with the positioning start and stop point or not;
the audio splicing module is used for splicing the target audio clip and the audio to be corrected when the starting point and the stopping point of the target audio clip are consistent with the positioning starting point and the stopping point, so as to obtain the audio subjected to splicing;
the fusion module is used for fusing the spliced audio and the video to be processed to obtain a corrected video;
the parameter acquisition module is used for acquiring a pitch parameter, a tone parameter and a playing speed parameter of the audio to be corrected when the start point and the stop point of the target audio clip are consistent with the positioning start point and the positioning stop point;
the audio adjusting module is used for correspondingly adjusting the target audio clip according to the pitch parameter, the tone parameter and the playing speed so as to enable the pitch, the tone and the playing speed of the target audio clip to be consistent with the audio to be corrected;
the connection module is used for performing linear proportion splicing processing on the adjusted target audio frequency segment and the audio frequency to be corrected to obtain the audio frequency after splicing processing;
the video correction system further includes: the device comprises a waveform acquisition module and an audio re-determination module; wherein,
the waveform acquisition module is used for acquiring waveform parameters of the re-recorded audio clip and a waveform of the audio to be corrected when the start point and the stop point of the target audio clip are inconsistent with the positioning start point and the positioning stop point;
and the audio re-determining module is used for finding a first audio segment which is smoothly connected with the waveform of the audio to be corrected from the re-recorded audio segments according to the waveform parameters, and using the first audio segment as a re-determined target audio segment so as to enable the start point and the stop point of the re-determined target audio segment to be consistent with the positioning start point and the positioning stop point.
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| CN110136752B (en) * | 2019-06-04 | 2021-01-26 | 广州酷狗计算机科技有限公司 | Audio processing method, device, terminal and computer readable storage medium |
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| CN114745497A (en) * | 2022-02-23 | 2022-07-12 | 浪潮金融信息技术有限公司 | Audio and video double recording method, system and medium based on visual library |
| CN114598898A (en) * | 2022-03-14 | 2022-06-07 | 北京高途云集教育科技有限公司 | Video processing method and device, electronic equipment and storage medium |
| CN114863953A (en) * | 2022-04-21 | 2022-08-05 | 杭州网易云音乐科技有限公司 | Volume adjusting method and device, storage medium and computing equipment |
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