CN104253943B - Use the video capture method and apparatus of mobile terminal - Google Patents
Use the video capture method and apparatus of mobile terminal Download PDFInfo
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- CN104253943B CN104253943B CN201410449721.0A CN201410449721A CN104253943B CN 104253943 B CN104253943 B CN 104253943B CN 201410449721 A CN201410449721 A CN 201410449721A CN 104253943 B CN104253943 B CN 104253943B
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Abstract
The embodiment of the invention discloses a kind of video capture method and apparatus using mobile terminal.It is described to be included using the video capture method of mobile terminal：When playing music using the audio output device of mobile terminal, video capture is carried out by the camera of mobile terminal；After carrying out video capture while video capture is carried out by the camera of mobile terminal or by the camera of mobile terminal, the voice signal of the music is filtered out from the voice signal in captured video.Video capture method and apparatus provided in an embodiment of the present invention using mobile terminal have filtered out the musical sound being played simultaneously from the video taken.
Description
Technical field
The present embodiments relate to mobile communication technology field more particularly to a kind of video capture sides using mobile terminal
Method and device.
Background technology
In recent years, flourishing with development of Mobile Internet technology, intelligent mobile terminal starts to have come into the life of ordinary people
It is living.Intelligent mobile terminal uses general hardware platform, and operation has independent operating system on the general hardware platform.
If application developer realizes new function using intelligent mobile terminal, it is only necessary to which exploitation is directed to answering for intelligent mobile terminal
With program, and it need not consider how the bottom hardware of intelligent mobile terminal runs.
User can utilize the camera of intelligent mobile terminal to shoot often during the use of intelligent mobile terminal
Photo or video.And user will frequently want to hear accompaniment music while shooting during video is shot
Sound.It can inevitably include and play but if shooting video while accompaniment music is played, in the video taken
The sound of accompaniment music.
Invention content
In view of this, the embodiment of the present invention proposes a kind of video capture method and apparatus using mobile terminal, to realize
Music can be played while video is shot, and makes not including the sound of music being played simultaneously in the video taken.
In a first aspect, an embodiment of the present invention provides a kind of video capture method using mobile terminal, the method packet
It includes：
When playing music using the audio output device of mobile terminal, video bat is carried out by the camera of mobile terminal
It takes the photograph；
It is regarded while video capture is carried out by the camera of mobile terminal or by the camera of mobile terminal
After frequency is shot, the voice signal of the music is filtered out from the voice signal in captured video.
Second aspect, an embodiment of the present invention provides a kind of video capture device using mobile terminal, described device packets
It includes：
It is played simultaneously and taking module, for when playing music using the audio output device of mobile terminal, passing through shifting
The camera of dynamic terminal carries out video capture；
Sound filters out module, for while video capture is carried out by the camera of mobile terminal or by mobile whole
After the camera at end carries out video capture, the sound of the music is filtered out from the voice signal in captured video
Signal.
Video capture method and apparatus provided in an embodiment of the present invention using mobile terminal, in the sound using mobile terminal
When frequency output device plays music, video capture is carried out by the camera of mobile terminal, in the camera by mobile terminal
After video capture being carried out while carrying out video capture or by the camera of mobile terminal, the sound from captured video
The voice signal of the music is filtered out in sound signal, it is achieved thereby that music can be played while video is shot, and
Make not including the sound of music being played simultaneously in the video taken.
Description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is the flow chart for the video capture method using mobile terminal that first embodiment of the invention provides；
Fig. 2 is the flow chart for the video capture method using mobile terminal that second embodiment of the invention provides；
Fig. 3 is the flow chart for the video capture method using mobile terminal that third embodiment of the invention provides；
Fig. 4 is the flow chart for the video capture method using mobile terminal that fourth embodiment of the invention provides；
Fig. 5 is the flow chart for the video capture method using mobile terminal that fifth embodiment of the invention provides；
Fig. 6 is the flow chart for the video capture method using mobile terminal that sixth embodiment of the invention provides；
Fig. 7 is the structure chart for the video capture device using mobile terminal that seventh embodiment of the invention provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is only used for explaining the present invention rather than limitation of the invention.It also should be noted that for the ease of
It describes, part related to the present invention rather than full content is illustrated only in attached drawing.
Fig. 1 shows the first embodiment of the present invention.
Fig. 1 is the flow chart for the video capture method using mobile terminal that first embodiment of the invention provides.Referring to figure
1, it is described to be included the following steps using the video capture method of mobile terminal：
Step S110 when playing music using the audio output device of mobile terminal, passes through the camera of mobile terminal
Carry out video capture.
The audio output device is can the audio output signal of mobile terminal to be converted to sound, and outwardly propagate
The device of sound.The earphone that the audio output device can be loudspeaker or user wears.Camera is mobile terminal
The device for being used for obtaining optical imagery of upper outfit.
In the present embodiment, mobile terminal plays music by the audio output device, while passes through mobile terminal
Camera carries out video capture.
The audio output device can first be started and play music, regarded during music according to input by user
Frequency shooting instruction shoots video using camera.Camera can also first be started and carry out video capture, in the process of video capture
It is middle that the audio output device is started to play music according to music input by user instruction.It can also be according to user simultaneously
The video capture instruction and music instruction of input start the audio output device and the camera simultaneously, synchronize
Carry out the shooting of video and the broadcasting of music.
Step S120, while video capture is carried out by the camera of mobile terminal or the camera shooting that passes through mobile terminal
After head carries out video capture, the voice signal of the music is filtered out from the voice signal in captured video.
While video capture is carried out by the camera of mobile terminal or complete by the camera of mobile terminal
Into after video capture, mobile terminal needs to filter out the sound of the music from the voice signal in captured video
Signal.
While video capture is carried out by the camera of mobile terminal from the voice signal in captured video
Filtering out the voice signal of the music can be：The audio output signal of mobile terminal on current point in time is obtained, as
The voice signal of music on current point in time, then the audio input signal of mobile terminal on current point in time is obtained, as
Voice signal on current point in time in captured video, in the voice signal from current point in time in captured video
Filter out the voice signal of music on current point in time.
After video capture is carried out by the camera of mobile terminal, filtered from the voice signal in captured video
Except the voice signal of the music can be：Point and end time point at the beginning of record video capture, by described in
Audio output signal between sart point in time and end time point is cached, finally by the sart point in time and institute
Voice signal of the audio output signal as the music between end time point is stated, by the sound of the music
Signal is filtered out from the voice signal of captured video.
The present embodiment when playing music using the audio output device of mobile terminal, by the camera of mobile terminal into
Row video capture, and while video capture is carried out by the camera of mobile terminal or by the camera of mobile terminal into
After row video capture, the voice signal of the music is filtered out from the voice signal in captured video so that with
The voice signal of music is not included in the video for the shooting that music synchronizes.
Fig. 2 shows the second embodiment of the present invention.
Fig. 2 is the flow chart for the video capture method using mobile terminal that second embodiment of the invention provides.It is described to make
It is further, described to utilize mobile terminal with the video capture method of mobile terminal based on first embodiment of the invention
Audio output device while play music, video capture is carried out by the camera of mobile terminal, is specifically included：In system
In there are received during music process video capture instruction, according to the video capture instruct start video capture process, by
The camera of the video capture Process flowchart mobile terminal performs the operation of video capture；Alternatively, there are video bats in systems
Received when taking the photograph process music instruction, according to the music instruct start music process, by the music into
The audio output device of process control mobile terminal performs the operation of music；Alternatively, receive simultaneously video capture instruction and
Music instructs, and video capture process and music process is respectively started, by the video capture Process flowchart mobile terminal
Camera perform video capture operation, by the music Process flowchart mobile terminal audio output device perform music
The operation of broadcasting.
It is described to be included using the video capture method of mobile terminal referring to Fig. 2：
Step S210, in systems there are video capture instruction is received during music process, according to the video capture
Instruction starts video capture process, and the operation of video capture is performed by the camera of the video capture Process flowchart mobile terminal.
The video capture instruction is that user is input to mobile terminal, and instruction mobile terminal carries out video by camera
The instruction of shooting.If there are during music process namely the mobile terminal is being held in its system for the mobile terminal
During row music, video capture instruction input by user is received, then mobile terminal is instructed according to the video capture received
Start video capture process.The video capture process be control the mobile terminal camera perform video capture into
Journey.
Step S220, while video capture is carried out by the camera of mobile terminal or the camera shooting that passes through mobile terminal
After head carries out video capture, the voice signal of the music is filtered out from the voice signal in captured video.
The present embodiment by systems there are receiving video capture input by user during music process to instruct, so as to
Into the operating mode of concurrent video capture and music, enrich that mobile terminal is carried out at the same time video capture and music is broadcast
The mode put.
Fig. 3 shows the third embodiment of the present invention.
Fig. 3 is the flow chart for the video capture method using mobile terminal that third embodiment of the invention provides.It is described to make
It is further, described to utilize mobile terminal with the video capture method of mobile terminal based on first embodiment of the invention
Audio output device while play music, video capture is carried out by the camera of mobile terminal, is specifically included：In system
In there are received during video capture process music instruction, according to the music instruct start music process, by
The audio output device of the music Process flowchart mobile terminal performs the operation of music.
It is described to be included using the video capture method of mobile terminal referring to Fig. 3：
Step S310, in systems there are music instruction is received during video capture process, according to the music
Instruction starts music process, and music is performed by the audio output device of the music Process flowchart mobile terminal
Operation.
Music instruction is that user is input to mobile terminal, instruction mobile terminal by audio output device into
The instruction of row music.If there are during video capture process namely the mobile terminal in its system for the mobile terminal
When being carrying out video capture, music instruction input by user is received, then mobile terminal is broadcast according to the music received
It puts instruction and starts music process.The music process is that the audio output apparatus of the mobile terminal is controlled to perform sound
The happy process played.
Step S320, while video capture is carried out by the camera of mobile terminal or the camera shooting that passes through mobile terminal
After head carries out video capture, the voice signal of the music is filtered out from the voice signal in captured video.
The present embodiment by systems there are receiving music input by user during video capture process to instruct, so as to
Into the operating mode of concurrent video capture and music, enrich that mobile terminal is carried out at the same time video capture and music is broadcast
The mode put.
Fig. 4 shows the fourth embodiment of the present invention.
Fig. 4 is the flow chart for the video capture method using mobile terminal that fourth embodiment of the invention provides.It is described to make
It is further, described to utilize mobile terminal with the video capture method of mobile terminal based on first embodiment of the invention
Audio output device while play music, video capture is carried out by the camera of mobile terminal, is specifically included：It connects simultaneously
Video capture instruction and music instruction are received, video capture process and music process is respectively started, is clapped by the video
The camera for taking the photograph Process flowchart mobile terminal performs the operation of video capture, by the sound of the music Process flowchart mobile terminal
Frequency output device performs the operation of music.
It is described to be included using the video capture method of mobile terminal referring to Fig. 4：
Step S410, at the same receive video capture instruction and music instruction, be respectively started video capture process and
Music process performs the operation of video capture, by the music by the camera of the video capture Process flowchart mobile terminal
The audio output device for playing Process flowchart mobile terminal performs the operation of music.
User can also input the video capture instruction to mobile terminal at the same moment and the music refers to
It enables.That is, the mobile terminal can receive the video capture instruction input by user and the music in synchronization
Play instruction.
After the mobile terminal receives user while the video capture instruction of input and music instruction,
Video capture process and music process is respectively started, and video capture is carried out by the video capture process initiation camera
Operation, and the operation for thering is the music process initiation audio output device to perform music.
Step S420, while video capture is carried out by the camera of mobile terminal or the camera shooting that passes through mobile terminal
After head carries out video capture, the voice signal of the music is filtered out from the voice signal in captured video.
The present embodiment, also there is no during music process, is received by the way that both there is no video capture processes in systems
The music instruction and video capture instruction that user inputs simultaneously, hence into concurrent video capture and music
Operating mode enriches the mode that mobile terminal is carried out at the same time video capture and music.
Fig. 5 shows the fifth embodiment of the present invention.
Fig. 5 is the flow chart for the video capture method using mobile terminal that fifth embodiment of the invention provides.It is described to make
With the video capture method of mobile terminal based on first embodiment of the invention, further, in taking the photograph by mobile terminal
While carrying out video capture as head, the sound letter of the music is filtered out from the voice signal in captured video
Number, including：The each time point of video capture is carried out in the camera by mobile terminal：It obtains mobile whole on current point in time
The audio output signal at end as the voice signal of music on current point in time, obtains mobile terminal on current point in time
Audio input signal, it is captured from current point in time as the voice signal in video captured on current point in time
Video in voice signal in filter out the voice signal of music on current point in time.
It is described to be included using the video capture method of mobile terminal referring to Fig. 5：
Step S510 when playing music using the audio output device of mobile terminal, passes through the camera of mobile terminal
Carry out video capture.
Step S520 carries out each time point of video capture in the camera by mobile terminal：Obtain current time
The audio output signal of mobile terminal on point as the voice signal of music on current point in time, obtains current point in time
The audio input signal of upper mobile terminal, as the voice signal in video captured on current point in time, from current time
The voice signal of music on current point in time is filtered out in voice signal on point in captured video.
In the present embodiment, in each time point for carrying out video capture by the camera, the mobile terminal
The audio output signal on current point in time is obtained, as the voice signal of music on current point in time, while obtains and works as
The audio input signal of upper mobile terminal of preceding time point, as the voice signal in video captured on current point in time, so
The voice signal of music on current point in time is filtered out in the voice signal in video captured from current point in time afterwards.
It is filtered out by the above-mentioned sound synchronous with video capture and music, the mobile terminal causes the video of shooting
In voice signal in do not include music voice signal.
Preferably, after performing to the filtering out of the voice signal in the video of shooting, in the camera shooting by mobile terminal
While head carries out video capture, the video taken is sent.Transmission to video can be synchronous by shooting
Video is sent to a server or another mobile terminal.Also, can be sent out by Cellular Networks to the transmission of video
It send, can also be and sent by wireless mesh network.
The present embodiment passes through each time point in the camera progress video capture by mobile terminal：When obtaining current
Between put the audio output signal of upper mobile terminal, as the voice signal of music on current point in time, obtain current time
The audio input signal of mobile terminal on point, as the voice signal in video captured on current point in time, from it is current when
Between put the voice signal that music on current point in time is filtered out in voice signal in upper captured video, realize and clapping
Take the photograph filtering out in real time to music sound in video so that do not include the voice signal of music in the video of shooting.
Fig. 6 shows the sixth embodiment of the present invention.
Fig. 6 is the flow chart for the video capture method using mobile terminal that sixth embodiment of the invention provides.It is described to make
With the video capture method of mobile terminal based on first embodiment of the invention, further, further include：In video capture mistake
Cheng Zhong records point and end time point at the beginning of video capture, obtains and caches from the sart point in time at the end of this
Between in period for putting mobile terminal audio output signal, the voice signal as music in the period；Logical
It crosses after the camera progress video capture of mobile terminal, the music is filtered out from the voice signal in captured video and is broadcast
The voice signal put, including：After video capture is carried out by the camera of mobile terminal, according to the signal of caching from being clapped
The voice signal of music in the period is filtered out in voice signal in the video taken the photograph.
Step S610 when playing music using the audio output device of mobile terminal, passes through the camera of mobile terminal
Carry out video capture.
Step S620 during video capture, records point and end time point at the beginning of video capture, obtains simultaneously
Caching is from the sart point in time to the audio output signal of mobile terminal in the period of the end time point, as the time
The voice signal of music in section.
In the present embodiment, during video capture is performed, at the beginning of the mobile terminal records video capture
Between point and end time point.Wherein, the sart point in time is the time point that the mobile terminal starts video capture；The knot
Beam time point is the time point that the mobile terminal terminates video capture.
With after end time point, mobile terminal was cached from the time started point at the beginning of having recorded video capture
It puts to the audio output signal of mobile terminal in the period of the end time point, and using the audio output signal as described in
The voice signal of music in period.If in from the sart point in time to the period of the end time point
At least mobile terminal does not have audio output signal in a period of time, then by the audio output of mobile terminal in this at least a period of time
The cache size of signal is denoted as zero.
Step S630, after video capture is carried out by the camera of mobile terminal, according to the signal of caching from being clapped
The voice signal of music in the period is filtered out in voice signal in the video taken the photograph.
From the sart point in time in the period of the end time point from audio output signal cached with
Afterwards, after the video capture by camera is completed, according to the signal of caching from the voice signal in captured video
Filter out the voice signal of music in the period.
The present embodiment is by the buffered audio output signal during music, then from institute after video capture
It shoots in the voice signal of video and filters out cached audio output signal, realize in capturing the video to music sound
Asynchronous filter out so that do not include the voice signal of music in the video of shooting.
Fig. 7 shows the seventh embodiment of the present invention.
Fig. 7 is the structure chart for the video capture device using mobile terminal that seventh embodiment of the invention provides.Referring to figure
7, it is described to be included using the video capture device of mobile terminal：It is played simultaneously and taking module 710 and sound filters out module
730。
It is described be played simultaneously and taking module 710 be used for using mobile terminal audio output device play music when,
Video capture is carried out by the camera of mobile terminal.
The sound filters out module 730 and is used for while video capture is carried out by the camera of mobile terminal or passes through
After the camera of mobile terminal carries out video capture, the music is filtered out from the voice signal in captured video
Voice signal.
Preferably, it is described to be played simultaneously and taking module 710 includes：Video capture start unit 711, music start
Unit 712 or sync pulse jamming and broadcasting start unit 713.
The video capture start unit 711 is for there are receive video capture during music process to refer in systems
It enables, is instructed according to the video capture and start video capture process, held by the camera of the video capture Process flowchart mobile terminal
The operation of row video capture.
The music start unit 712 is for there are receive music during video capture process to refer in systems
It enables, is instructed according to the music and start music process, by the audio output of the music Process flowchart mobile terminal
Device performs the operation of music.
The sync pulse jamming and broadcasting start unit 713 refer to for receiving video capture instruction and music simultaneously
It enables, video capture process and music process is respectively started, is held by the camera of the video capture Process flowchart mobile terminal
The operation of row video capture performs the behaviour of music by the audio output device of the music Process flowchart mobile terminal
Make.
Preferably, the sound filters out module 730 and includes：First sound filters out unit 731.
First sound filter out unit 731 for by the camera of mobile terminal carry out video capture it is each when
Between point：The audio output signal of mobile terminal on current point in time is obtained, the sound letter as music on current point in time
Number, the audio input signal of mobile terminal on acquisition current point in time, as the sound in video captured on current point in time
Sound signal filters out the sound of music on current point in time in the voice signal from current point in time in captured video
Signal.
Preferably, it is described to be further included using the video capture device of mobile terminal：Music cache module 720.
The music cache module 720 is used for during video capture, records point and knot at the beginning of video capture
Beam time point obtains and caches from the sart point in time to the audio output letter of mobile terminal in the period of the end time point
Number, the voice signal as music in the period.
The sound filters out module 730 and includes：Second sound filters out unit 732.
The second sound filters out unit 732 and is used for after video capture is carried out by the camera of mobile terminal, root
The voice signal of music in the period is filtered out from the voice signal in captured video according to the signal of caching.
Preferably, it is described to be further included using the video capture device of mobile terminal：Video sending module 740.
The video sending module 740 is used to while video capture is carried out by the camera of mobile terminal, to clap
The video taken the photograph is sent.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Will be appreciated by those skilled in the art that each module or each step of the above-mentioned present invention can use general meter
Device is calculated to realize, they can concentrate on single computing device or be distributed in the network that multiple computing devices are formed
On, optionally, they can be realized with the program code that computer installation can perform, so as to be stored in storage
They are either fabricated to each integrated circuit modules respectively or will be more in them by computing device to perform in device
A module or step are fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and
The combination of software.
Each embodiment in this specification is described by the way of progressive, the highlights of each of the examples are with
The difference of other embodiment, just to refer each other for the same or similar part between each embodiment.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art
For, the present invention can have various modifications and changes.All any modifications made within spirit and principles of the present invention are equal
Replace, improve etc., it should all be included in the protection scope of the present invention.
Claims (2)
- A kind of 1. video capture method using mobile terminal, which is characterized in that including：In systems there are video capture instruction input by user is received during music process, instructed according to the video capture Start video capture process, the operation of video capture is performed by the camera of the video capture Process flowchart mobile terminal；Alternatively, In systems there are music instruction input by user is received during video capture process, instructed and started according to the music Music process performs the operation of music by the audio output device of the music Process flowchart mobile terminal；Or Person, while video capture instruction and music instruction input by user are received, video capture process and music is respectively started Broadcasting process performs the operation of video capture, by the music by the camera of the video capture Process flowchart mobile terminal The audio output device of Process flowchart mobile terminal performs the operation of music；The each time point of video capture is carried out in the camera by mobile terminal：Obtain mobile terminal on current point in time Audio output signal as the voice signal of music on current point in time, obtains the sound of mobile terminal on current point in time Frequency input signal, it is captured from current point in time to regard as the voice signal in video captured on current point in time The voice signal of music on current point in time is filtered out in voice signal in frequency；While video capture is carried out by the camera of mobile terminal, the video taken is passed through into Cellular Networks or wireless network Shape net, which synchronizes, is sent to a server or another mobile terminal.
- 2. a kind of video capture device using mobile terminal, which is characterized in that including：Video capture start unit, for there are receive video capture input by user during music process to refer in systems It enables, is instructed according to the video capture and start video capture process, held by the camera of the video capture Process flowchart mobile terminal The operation of row video capture；Alternatively,Music start unit, for there are receive music input by user during video capture process to refer in systems It enables, is instructed according to the music and start music process, by the audio output of the music Process flowchart mobile terminal Device performs the operation of music；Alternatively,Sync pulse jamming and broadcasting start unit refer to for receiving video capture instruction input by user and music simultaneously It enables, video capture process and music process is respectively started, is held by the camera of the video capture Process flowchart mobile terminal The operation of row video capture performs the behaviour of music by the audio output device of the music Process flowchart mobile terminal Make；First sound filters out unit, for carrying out each time point of video capture in the camera by mobile terminal：It obtains The audio output signal of mobile terminal on current point in time as the voice signal of music on current point in time, is obtained and is worked as The audio input signal of upper mobile terminal of preceding time point, as the voice signal in video captured on current point in time, from The voice signal of music on current point in time is filtered out in voice signal on current point in time in captured video；Video sending module, for the video that while video capture is carried out by the camera of mobile terminal, will be taken It is synchronized by Cellular Networks or wireless mesh network and is sent to a server or another mobile terminal.
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| CN106708463B (en) * | 2016-12-09 | 2019-12-27 | 广州三星通信技术研究有限公司 | Method and device for adjusting volume of shot video file |
| CN106604113A (en) * | 2016-12-15 | 2017-04-26 | 天脉聚源(北京)传媒科技有限公司 | Method and apparatus for synthesizing videos intelligently |
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| CN103680549A (en) * | 2012-09-10 | 2014-03-26 | 联想(北京)有限公司 | Audio processing method and electronic equipment |
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| CN101437094A (en) * | 2008-12-04 | 2009-05-20 | 中兴通讯股份有限公司 | Method and apparatus for suppression of stereo background noise of mobile terminal |
| CN102780947B (en) * | 2011-05-13 | 2015-12-16 | 宏碁股份有限公司 | Reduce system and the method thereof of portable electric device recording noise |
| EP2680616A1 (en) * | 2012-06-25 | 2014-01-01 | LG Electronics Inc. | Mobile terminal and audio zooming method thereof |
| CN103888610B (en) * | 2014-03-18 | 2016-03-02 | 努比亚技术有限公司 | The method simultaneously conversed and record and communicating terminal |
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