CN104967891A - Method and device for generating audio- video files - Google Patents

Method and device for generating audio- video files Download PDF

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Publication number
CN104967891A
CN104967891A CN201510370113.5A CN201510370113A CN104967891A CN 104967891 A CN104967891 A CN 104967891A CN 201510370113 A CN201510370113 A CN 201510370113A CN 104967891 A CN104967891 A CN 104967891A
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China
Prior art keywords
capture apparatus
voice recording
recording equipment
speech data
clock
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Granted
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CN201510370113.5A
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Chinese (zh)
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CN104967891B (en
Inventor
高翔
谢灿豪
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Individual
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Individual
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Priority to CN201510370113.5A priority Critical patent/CN104967891B/en
Publication of CN104967891A publication Critical patent/CN104967891A/en
Priority to PCT/CN2016/072811 priority patent/WO2017000554A1/en
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Publication of CN104967891B publication Critical patent/CN104967891B/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/414Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/4147PVR [Personal Video Recorder]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/4302Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4307Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/439Processing of audio elementary streams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/439Processing of audio elementary streams
    • H04N21/4398Processing of audio elementary streams involving reformatting operations of audio signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/92Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback

Abstract

The invention provides a method and a device for generating audio- video files. The method comprises: a voice recording device receives clock synchronization information transmitted by a shooting device, the voice recording device synchronizes a clock timing starting point of the voice recording device to a starting shooting point according to the time synchronization information, and records and stores voice data of the shot people from the starting shooting point; and the shooting device synthesizes voice data and video images into an audio-video file. In the invention, with the voice data and video image data corresponding to the same shooting starting time (based on the same timeline ), the voice recording device fixed on the shot people can record and store clear voice data even when the shot people is in a moving state or is in distance from the shooting people. The invention guarantees a high matching degree between the voice data and the video image data and guarantees that the synthesized audio-video file has higher voice quality.

Description

Audio-video document generation method and device
Technical field
The embodiment of the present invention relates to communication technical field, particularly relates to a kind of audio-video document generation method and device.
Background technology
Along with the development of electronic product, increasing electronic product has shoot function, facilitates user to go on a journey or takes whenever and wherever possible.
The existing electronic product with shoot function comprises video camera, panel computer and mobile phone etc., in shooting process, photographer needs handheld electric products and capture apparatus, recorded picture and the voice of the person of being taken by the video record function of capture apparatus and voice recording function simultaneously, namely generate the audio-video document that both pictures and texts are excellent.
But, when the person of being taken be kept in motion and away from photographer time, capture apparatus can only record the picture of the person of being taken, but can not the voice of the clear record person of being taken, and causes voice quality in the audio-video document recorded poor.
Summary of the invention
The embodiment of the present invention provides a kind of audio-video document generation method and device, to improve voice quality in audio-video document.
An aspect of the embodiment of the present invention is to provide a kind of audio-video document generation method, comprising:
Voice recording equipment receives the clock synchronization information that capture apparatus sends, and described clock synchronization information comprises the initial shooting moment of described capture apparatus;
The clock timing starting point of described voice recording equipment is synchronized to the described initial shooting moment according to described clock synchronization information by described voice recording equipment, and store the speech data of the person of being taken from described initial shooting moment record, the person of being taken described in described voice recording equipment is fixed on;
Described speech data is sent to described capture apparatus by described voice recording equipment, to make described capture apparatus, described speech data and described capture apparatus is merged into audio-video document from the vedio data of the person of being taken of described initial shooting moment shooting.
Another aspect of the embodiment of the present invention is to provide a kind of audio-video document generation method, comprising:
Capture apparatus is to voice recording equipment tranmitting data register synchronizing information, described clock synchronization information comprises the initial shooting moment of described capture apparatus, according to described clock synchronization information, the clock timing starting point of described voice recording equipment is synchronized to the described initial shooting moment to make described voice recording equipment, and store the speech data of the person of being taken from described initial shooting moment record, the person of being taken described in described voice recording equipment is fixed on;
Described capture apparatus receives the described speech data that described voice recording equipment sends, and described speech data and described capture apparatus are merged into audio-video document from the vedio data of the person of being taken of described initial shooting moment shooting.
Another aspect of the embodiment of the present invention is to provide a kind of voice recording equipment, comprising:
Receiver module, for receiving the clock synchronization information that capture apparatus sends, described clock synchronization information comprises the initial shooting moment of described capture apparatus;
Synchronization module, is synchronized to described initial shooting moment according to described clock synchronization information by the clock timing starting point of described voice recording equipment for equipment;
Record memory module, for storing the speech data of the person of being taken, the person of being taken described in described voice recording equipment is fixed on from described initial shooting moment record;
Sending module, for described speech data is sent to described capture apparatus, merges into audio-video document by described speech data and described capture apparatus from the vedio data of the person of being taken of described initial shooting moment shooting to make described capture apparatus.
Another aspect of the embodiment of the present invention is to provide a kind of capture apparatus, comprising:
Sending module, for to voice recording equipment tranmitting data register synchronizing information, described clock synchronization information comprises the initial shooting moment of described capture apparatus, according to described clock synchronization information, the clock timing starting point of described voice recording equipment is synchronized to the described initial shooting moment to make described voice recording equipment, and store the speech data of the person of being taken from described initial shooting moment record, the person of being taken described in described voice recording equipment is fixed on;
Receiver module, for receiving the described speech data that described voice recording equipment sends;
Merge module, for described speech data and described capture apparatus are merged into audio-video document from the vedio data of the person of being taken of described initial shooting moment shooting.
Another aspect of the embodiment of the present invention is to provide a kind of audio-video document generation system, comprises described voice recording equipment and described capture apparatus.
The audio-video document generation method that the embodiment of the present invention provides and device, the initial shooting moment of capture apparatus is received by voice recording equipment, the clock timing starting point of himself is synchronized to the initial shooting moment, and the speech data of the person of being taken is stored from initial shooting moment record, this speech data and capture apparatus are taken the vedio data that the moment takes merge into audio-video document from initial the most at last, because initial shooting moment corresponding to speech data and vedio data is namely based on identical time shaft, even if the person of being taken be kept in motion and away from photographer time, the voice recording equipment being fixed on the person of being taken can record and store speech data clearly, ensure that speech data and vedio data have very high matching degree, and ensure that the audio-video document after merging has very high voice quality.
Accompanying drawing explanation
The audio-video document that Fig. 1 provides for the embodiment of the present invention generates method flow diagram;
The audio-video document that Fig. 2 provides for the embodiment of the present invention generates method flow diagram;
The structure chart of the voice recording equipment that Fig. 3 provides for the embodiment of the present invention;
The structure chart of the voice recording equipment that Fig. 4 provides for another embodiment of the present invention;
The structure chart of the capture apparatus that Fig. 5 provides for the embodiment of the present invention;
The structure chart of the capture apparatus that Fig. 6 provides for another embodiment of the present invention;
The structure chart of the audio-video document generation system that Fig. 7 provides for the embodiment of the present invention.
Embodiment
The audio-video document that Fig. 1 provides for the embodiment of the present invention generates method flow diagram.Voice recording equipment in the embodiment of the present invention is specially a blue clip structure, this blue clip structure comprises clip and microphone, clip is convenient to the speech data recording the person of being taken on the clothes being fixed on the person of being taken, and the embodiment of the present invention preferably grip very strong clip is fixed on the collar of the person of being taken.Microphone is fixedly connected with clip, microphone inside comprises memory module, recording module, AGC clipping module, clock module (crystal oscillator), global positioning system (global positioning system, be called for short GPS) module and wireless communication module (wifi, bluetooth) etc., microphone carries out wireless connections by wireless communication module and capture apparatus, and this capture apparatus is specially smart mobile phone, camera etc.
The embodiment of the present invention be kept in motion for the person of being taken and away from photographer time, capture apparatus can only record the picture of the person of being taken, but can not the voice of the clear record person of being taken, and provide audio-video document generation method, the method concrete steps are as follows:
Step S101, voice recording equipment receive the clock synchronization information that capture apparatus sends, and described clock synchronization information comprises the initial shooting moment of described capture apparatus;
Capture apparatus such as smart mobile phone, in the beginning capture video moment, to voice recording equipment and microphone tranmitting data register synchronizing information, includes the initial shooting moment of smart mobile phone in this clock synchronization information.
The clock timing starting point of described voice recording equipment is synchronized to the described initial shooting moment according to described clock synchronization information by step S102, described voice recording equipment, and store the speech data of the person of being taken from described initial shooting moment record, the person of being taken described in described voice recording equipment is fixed on;
Microphone is before the clock synchronization information receiving capture apparatus transmission, its clock time zero and gps clock keep synchronous, and there is very high timekeeping performance, when microphone receives the clock synchronization information of capture apparatus transmission, the clock timing starting point of himself is synchronized to the described initial shooting moment according to described clock synchronization information by microphone, and from the described initial shooting moment, recording the speech data of the person of being taken, the speech data of record is stored in the memory module of microphone.
Described speech data is sent to described capture apparatus by step S103, described voice recording equipment, to make described capture apparatus, described speech data and described capture apparatus is merged into audio-video document from the vedio data of the person of being taken of described initial shooting moment shooting.
The speech data that microphone can be stored sends to capture apparatus in real time, also capture apparatus can be sent to by Fixed Time Interval, capture apparatus can also be sent to after capture apparatus capture video terminates, the embodiment of the present invention does not limit, in addition, the mode that microphone sends speech data to capture apparatus is preferably communication, is specially Wireless Fidelity (Wireless Fidelity is called for short WiFi), bluetooth etc.After capture apparatus receives the speech data of microphone transmission, speech data and capture apparatus are merged into audio-video document from the vedio data of the person of being taken of initial shooting moment shooting, due to the initial shooting moment that speech data is corresponding identical with vedio data, so speech data and vedio data have very high matching degree, the audio-video document after namely merging has high-quality vision and auditory effect simultaneously.
In addition, process speech data and vedio data being merged into audio-video document can also complete on computers, be specially after speech data and vedio data all record and terminate, speech data in microphone and the vedio data in capture apparatus copy on computer by user respectively, by computer, speech data and vedio data are merged into audio-video document.
The embodiment of the present invention receives the initial shooting moment of capture apparatus by voice recording equipment, the clock timing starting point of himself is synchronized to the initial shooting moment, and the speech data of the person of being taken is stored from initial shooting moment record, this speech data and capture apparatus are taken the vedio data that the moment takes merge into audio-video document from initial the most at last, because initial shooting moment corresponding to speech data and vedio data is namely based on identical time shaft, even if the person of being taken be kept in motion and away from photographer time, the voice recording equipment being fixed on the person of being taken can record and store speech data clearly, ensure that speech data and vedio data have very high matching degree, and ensure that the audio-video document after merging has very high voice quality.
On the basis of above-described embodiment, before described voice recording equipment receives the clock synchronization information of capture apparatus transmission, also comprise: described voice recording equipment receives the initial clock information that described capture apparatus sends, described initial clock information comprises described capture apparatus and sends timestamp corresponding to described initial clock information moment; Described voice recording equipment starts timing according to described timestamp.
In embodiments of the present invention, described voice recording equipment and described capture apparatus match and occur, namely before described voice recording equipment receives the clock synchronization information of capture apparatus transmission, need to carry out pairing to described voice recording equipment and described capture apparatus to process, concrete pairing processing procedure is: capture apparatus sends initial clock information to voice recording equipment, the timestamp that initial clock information comprises, this timestamp is that capture apparatus sends timestamp corresponding to described initial clock information moment.Voice recording equipment starts timing according to described timestamp, and namely the timing start time of voice recording equipment was as the criterion with the moment of capture apparatus transmission initial clock information.
Described voice recording equipment also comprises after starting timing according to described timestamp: described voice recording equipment sends shooting to described capture apparatus and starts request, starts shoot function to make described capture apparatus; Described voice recording equipment also comprises after described speech data is sent to described capture apparatus: described voice recording equipment sends shooting ending request to described capture apparatus, closes shoot function to make described capture apparatus.
Voice recording equipment in the embodiment of the present invention and capture apparatus can also be applied in underwater photograph technical scene.Voice recording equipment can control unlatching or the closedown of the corresponding shoot function of capture apparatus as main control device, be specially voice recording equipment and first send shooting startup request to capture apparatus, to make described capture apparatus start shoot function, its initial shooting moment is sent to voice recording equipment by capture apparatus; After voice recording equipment records speech data terminates, initiatively send shooting ending request to capture apparatus, capture apparatus closes shoot function according to this shooting ending request.
Described voice recording equipment receives the clock synchronization information that capture apparatus sends, and comprising: described voice recording equipment receives the clock synchronization information of capture apparatus transmission by the mode of radio communication; Described speech data is sent to described capture apparatus by described voice recording equipment, comprising: described speech data is sent to described capture apparatus by the mode of radio communication by described voice recording equipment.
In embodiments of the present invention, all between voice recording equipment and capture apparatus all adopt the mode of radio communication to carry out transfer of data alternately.
The embodiment of the present invention receives the initial clock information that capture apparatus sends before receiving the clock synchronization information of capture apparatus transmission by voice recording equipment, and start timing according to the timestamp in initial clock information, when preventing voice recording equipment from not receiving clock synchronization information, clock synchronous cannot be kept with capture apparatus, further increase clock synchronization accuracy; Control unlatching or the closedown of the corresponding shoot function of capture apparatus additionally by voice recording equipment as main control device, add the function of voice recording equipment.
On the basis of above-described embodiment, himself on off state, state of charge and memory space state of described voice recording monitoring of equipment, and generating state information, described state information at least comprises: switching-state information, power state information and memory space state information; Described state information is sent to described capture apparatus by communication by described voice recording equipment, controls described voice recording opening of device or closedown to make described capture apparatus according to described state information.
Voice recording equipment in the embodiment of the present invention is also provided with shift knob, switch indication light, battery capacity indication lamp, the capacity indicator light of physics, switch indication light is used to indicate the on off state of voice recording equipment, battery capacity indication lamp is used to indicate the state of charge of voice recording equipment, and capacity indicator light is used to indicate the memory space state of voice recording equipment.Himself on off state, state of charge and memory space state of voice recording monitoring of equipment, and generate corresponding state information, simultaneously by switch indication light indicating on-off state, if when electricity is lower than power threshold, alarm display is carried out by battery capacity indication lamp, when memory space is less than predetermined threshold value, carry out alarm display by switch indication light.
The state information monitored is sent to capture apparatus by communication by voice recording equipment, capture apparatus controls voice recording opening of device or closedown as the state information of main control device foundation voice recording equipment, such as, when the electricity of voice recording equipment is less than predetermined threshold value lower than power threshold or memory space, capture apparatus sends out code by communication to voice recording equipment, performs shutoff operation to make voice recording equipment according to this out code.
Its state information is sent to capture apparatus by voice recording equipment by the embodiment of the present invention, controls voice recording opening of device or closedown, improve the controlling functions of capture apparatus to voice recording equipment by capture apparatus according to this state information.
On the basis of above-described embodiment, described from described initial shooting the moment record store the person of being taken speech data after, also comprise: described voice recording equipment carries out AGC amplitude limiting processing to the speech data that volume is greater than default volume; Initial clock and the gps clock of described voice recording equipment keep synchronous, and the initial clock of described capture apparatus keeps synchronous with the clock of gps clock or described capture apparatus own base station.
Voice recording equipment also comprises AGC amplitude limiter, and when the volume of the speech data that voice recording equipment is recorded is greater than default volume, AGC amplitude limiter carries out AGC amplitude limiting processing to the volume of this speech data.In addition, the initial clock of described voice recording equipment chooses gps clock, and the initial clock of described capture apparatus chooses the clock of gps clock or described capture apparatus own base station.
In addition, voice recording equipment in the embodiment of the present invention also can be arranged a such as 3.5mm interface, can adaptive all wired earphones on the market and microphone, thus without the need to carrying separately an extra microphone, by itself and existing earphone, microphone is integrated is set together.
In addition, voice recording equipment can also as independently sound pick-up outfit use namely do not need with capture apparatus with the use of.
The embodiment of the present invention carries out AGC amplitude limiting processing by voice recording equipment to the speech data that volume is greater than default volume, prevent the recording module of voice recording equipment bad by the shake of larger speech data, further ensure the audio-video document after merging and there is very high voice quality.
The audio-video document that Fig. 2 provides for the embodiment of the present invention generates method flow diagram, the embodiment of the present invention be kept in motion for the person of being taken and away from photographer time, capture apparatus can only record the picture of the person of being taken, but can not the voice of the clear record person of being taken, provide audio-video document generation method, the method concrete steps are as follows:
Step S201, capture apparatus are to voice recording equipment tranmitting data register synchronizing information, described clock synchronization information comprises the initial shooting moment of described capture apparatus, according to described clock synchronization information, the clock timing starting point of described voice recording equipment is synchronized to the described initial shooting moment to make described voice recording equipment, and store the speech data of the person of being taken from described initial shooting moment record, the person of being taken described in described voice recording equipment is fixed on;
Capture apparatus such as smart mobile phone, in the beginning capture video moment, to voice recording equipment and microphone tranmitting data register synchronizing information, includes the initial shooting moment of smart mobile phone in this clock synchronization information.Microphone is before the clock synchronization information receiving capture apparatus transmission, its clock time zero and gps clock keep synchronous, and there is very high timekeeping performance, when microphone receives the clock synchronization information of capture apparatus transmission, the clock timing starting point of himself is synchronized to the described initial shooting moment according to described clock synchronization information by microphone, and from the described initial shooting moment, recording the speech data of the person of being taken, the speech data of record is stored in the memory module of microphone.
Step S202, described capture apparatus receive the described speech data that described voice recording equipment sends, and described speech data and described capture apparatus are merged into audio-video document from the vedio data of the person of being taken of described initial shooting moment shooting.
The speech data that microphone can be stored sends to capture apparatus in real time, also capture apparatus can be sent to by Fixed Time Interval, capture apparatus can also be sent to after capture apparatus capture video terminates, the embodiment of the present invention does not limit, in addition, the mode that microphone sends speech data to capture apparatus is preferably communication, is specially Wireless Fidelity (Wireless Fidelity is called for short WiFi), bluetooth etc.After capture apparatus receives the speech data of microphone transmission, speech data and capture apparatus are merged into audio-video document from the vedio data of the person of being taken of initial shooting moment shooting, due to the initial shooting moment that speech data is corresponding identical with vedio data, so speech data and vedio data have very high matching degree, the audio-video document after namely merging has high-quality vision and auditory effect simultaneously.
The embodiment of the present invention receives the initial shooting moment of capture apparatus by voice recording equipment, the clock timing starting point of himself is synchronized to the initial shooting moment, and the speech data of the person of being taken is stored from initial shooting moment record, this speech data and capture apparatus are taken the vedio data that the moment takes merge into audio-video document from initial the most at last, because initial shooting moment corresponding to speech data and vedio data is namely based on identical time shaft, even if the person of being taken be kept in motion and away from photographer time, the voice recording equipment being fixed on the person of being taken can record and store speech data clearly, ensure that speech data and vedio data have very high matching degree, and ensure that the audio-video document after merging has very high voice quality.
On the basis of above-described embodiment, described capture apparatus is to before voice recording equipment tranmitting data register synchronizing information, also comprise: described capture apparatus sends initial clock information to voice recording equipment, described initial clock information comprises described capture apparatus and sends timestamp corresponding to described initial clock information moment, starts timing to make described voice recording equipment according to described timestamp.
In embodiments of the present invention, described voice recording equipment and described capture apparatus match and occur, namely before described voice recording equipment receives the clock synchronization information of capture apparatus transmission, need to carry out pairing to described voice recording equipment and described capture apparatus to process, concrete pairing processing procedure is: capture apparatus sends initial clock information to voice recording equipment, the timestamp that initial clock information comprises, this timestamp is that capture apparatus sends timestamp corresponding to described initial clock information moment.Voice recording equipment starts timing according to described timestamp, and namely the timing start time of voice recording equipment was as the criterion with the moment of capture apparatus transmission initial clock information.
Described speech data and described vedio data have identical time shaft; Described described speech data and described capture apparatus are merged into audio-video document from the vedio data of the person of being taken of described initial shooting moment shooting, comprising: according to described identical time shaft, described speech data and described vedio data are merged into audio-video document.
Described capture apparatus, to before voice recording equipment tranmitting data register synchronizing information, also comprises: described capture apparatus receives the shooting that described voice recording equipment sends and starts request, and starts request startup shoot function according to described shooting; Described capture apparatus also comprises after receiving the described speech data of described voice recording equipment transmission: described capture apparatus receives the shooting ending request that described voice recording equipment sends, and closes shoot function according to described shooting ending request.
Voice recording equipment can control unlatching or the closedown of the corresponding shoot function of capture apparatus as main control device, be specially voice recording equipment and first send shooting startup request to capture apparatus, to make described capture apparatus start shoot function, its initial shooting moment is sent to voice recording equipment by capture apparatus; After voice recording equipment records speech data terminates, initiatively send shooting ending request to capture apparatus, capture apparatus closes shoot function according to this shooting ending request.
Described capture apparatus, to voice recording equipment tranmitting data register synchronizing information, comprising: described capture apparatus passes through the mode of radio communication to voice recording equipment tranmitting data register synchronizing information; Described capture apparatus receives the described speech data that described voice recording equipment sends, and comprising: described capture apparatus receives the described speech data of described voice recording equipment transmission by the mode of radio communication.
In embodiments of the present invention, all between voice recording equipment and capture apparatus all adopt the mode of radio communication to carry out transfer of data alternately.
Described capture apparatus receives the state information of described voice recording equipment transmission by communication, and controlling described voice recording opening of device or closedown according to described state information, described state information at least comprises: switching-state information, power state information and memory space state information.
Voice recording equipment in the embodiment of the present invention is also provided with shift knob, switch indication light, battery capacity indication lamp, the capacity indicator light of physics, switch indication light is used to indicate the on off state of voice recording equipment, battery capacity indication lamp is used to indicate the state of charge of voice recording equipment, and capacity indicator light is used to indicate the memory space state of voice recording equipment.Himself on off state, state of charge and memory space state of voice recording monitoring of equipment, and generate corresponding state information, simultaneously by switch indication light indicating on-off state, if when electricity is lower than power threshold, alarm display is carried out by battery capacity indication lamp, when memory space is less than predetermined threshold value, carry out alarm display by switch indication light.
The state information monitored is sent to capture apparatus by communication by voice recording equipment, capture apparatus controls voice recording opening of device or closedown as the state information of main control device foundation voice recording equipment, such as, when the electricity of voice recording equipment is less than predetermined threshold value lower than power threshold or memory space, capture apparatus sends out code by communication to voice recording equipment, performs shutoff operation to make voice recording equipment according to this out code.
The embodiment of the present invention receives the initial clock information that capture apparatus sends before receiving the clock synchronization information of capture apparatus transmission by voice recording equipment, and start timing according to the timestamp in initial clock information, when preventing voice recording equipment from not receiving clock synchronization information, clock synchronous cannot be kept with capture apparatus, further increase clock synchronization accuracy; Controlled unlatching or the closedown of the corresponding shoot function of capture apparatus by voice recording equipment as main control device, add the function of voice recording equipment; By voice recording equipment, its state information is sent to capture apparatus, control voice recording opening of device or closedown by capture apparatus according to this state information, improve the controlling functions of capture apparatus to voice recording equipment.
The structure chart of the voice recording equipment that Fig. 3 provides for the embodiment of the present invention.The voice recording equipment that the embodiment of the present invention provides can perform the handling process that audio-video document generation embodiment of the method provides, as shown in Figure 3, voice recording equipment 30 comprises receiver module 31, synchronization module 32, record memory module 33 and sending module 34, wherein, the clock synchronization information that receiver module 31 sends for receiving capture apparatus, described clock synchronization information comprises the initial shooting moment of described capture apparatus; The clock timing starting point of described voice recording equipment is synchronized to the described initial shooting moment for equipment according to described clock synchronization information by synchronization module 32; Record memory module 33 is for storing the speech data of the person of being taken, the person of being taken described in described voice recording equipment is fixed on from described initial shooting moment record; Described speech data and described capture apparatus, for described speech data is sent to described capture apparatus, are merged into audio-video document from the vedio data of the person of being taken of described initial shooting moment shooting to make described capture apparatus by sending module 34.
The embodiment of the present invention receives the initial shooting moment of capture apparatus by voice recording equipment, the clock timing starting point of himself is synchronized to the initial shooting moment, and the speech data of the person of being taken is stored from initial shooting moment record, this speech data and capture apparatus are taken the vedio data that the moment takes merge into audio-video document from initial the most at last, because initial shooting moment corresponding to speech data and vedio data is namely based on identical time shaft, even if the person of being taken be kept in motion and away from photographer time, the voice recording equipment being fixed on the person of being taken can record and store speech data clearly, ensure that speech data and vedio data have very high matching degree, and ensure that the audio-video document after merging has very high voice quality.
The structure chart of the voice recording equipment that Fig. 4 provides for another embodiment of the present invention.On the basis of above-described embodiment, receiver module 31 is also for receiving the initial clock information that described capture apparatus sends, and described initial clock information comprises described capture apparatus and sends timestamp corresponding to described initial clock information moment;
Voice recording equipment 30 also comprises timing module 37, time module 37 for starting timing according to described timestamp.
Sending module 34 sends shooting to described capture apparatus and starts request after also starting timing for described voice recording equipment according to described timestamp, starts shoot function to make described capture apparatus; After described speech data is sent to described capture apparatus by described voice recording equipment, send shooting ending request to described capture apparatus, close shoot function to make described capture apparatus.
The clock synchronization information that receiver module 31 is sent specifically for being received capture apparatus by the mode of radio communication; Sending module 34 is specifically for sending to described capture apparatus by described speech data by the mode of radio communication.
Voice recording equipment 30 also comprises monitoring modular 35, monitoring modular 35 is for monitoring himself on off state, state of charge and memory space state, and generating state information, described state information at least comprises: switching-state information, power state information and memory space state information; Sending module 34, also for described state information is sent to described capture apparatus by communication, controls described voice recording opening of device or closedown to make described capture apparatus according to described state information.
Voice recording equipment 30 also comprises AGC clipping module 36, AGC clipping module 36 and carries out AGC amplitude limiting processing for speech data volume being greater than to default volume; Initial clock and the gps clock of described voice recording equipment keep synchronous, and the initial clock of described capture apparatus keeps synchronous with the clock of gps clock or described capture apparatus own base station.
The voice recording equipment that the embodiment of the present invention provides can specifically for performing the embodiment of the method that above-mentioned Fig. 1 provides, and concrete function repeats no more herein.
The embodiment of the present invention receives the initial clock information that capture apparatus sends before receiving the clock synchronization information of capture apparatus transmission by voice recording equipment, and start timing according to the timestamp in initial clock information, when preventing voice recording equipment from not receiving clock synchronization information, clock synchronous cannot be kept with capture apparatus, further increase clock synchronization accuracy; Controlled unlatching or the closedown of the corresponding shoot function of capture apparatus by voice recording equipment as main control device, add the function of voice recording equipment; By voice recording equipment, its state information is sent to capture apparatus, control voice recording opening of device or closedown by capture apparatus according to this state information, improve the controlling functions of capture apparatus to voice recording equipment; By voice recording equipment, AGC amplitude limiting processing is carried out to the speech data that volume is greater than default volume, prevent the recording module of voice recording equipment bad by the shake of larger speech data, further ensure the audio-video document after merging and there is very high voice quality.
The structure chart of the capture apparatus that Fig. 5 provides for the embodiment of the present invention.The capture apparatus that the embodiment of the present invention provides can perform the handling process that audio-video document generation embodiment of the method provides, as shown in Figure 5, capture apparatus 50 comprises sending module 51, receiver module 52 and merging module 53, wherein, sending module 51 is for voice recording equipment tranmitting data register synchronizing information, described clock synchronization information comprises the initial shooting moment of described capture apparatus, according to described clock synchronization information, the clock timing starting point of described voice recording equipment is synchronized to the described initial shooting moment to make described voice recording equipment, and the speech data of the person of being taken is stored from described initial shooting moment record, the person of being taken described in described voice recording equipment is fixed on, the described speech data that receiver module 52 sends for receiving described voice recording equipment, merge module 53 for described speech data and described capture apparatus are merged into audio-video document from the vedio data of the person of being taken of described initial shooting moment shooting.
The embodiment of the present invention receives the initial shooting moment of capture apparatus by voice recording equipment, the clock timing starting point of himself is synchronized to the initial shooting moment, and the speech data of the person of being taken is stored from initial shooting moment record, this speech data and capture apparatus are taken the vedio data that the moment takes merge into audio-video document from initial the most at last, because initial shooting moment corresponding to speech data and vedio data is namely based on identical time shaft, even if the person of being taken be kept in motion and away from photographer time, the voice recording equipment being fixed on the person of being taken can record and store speech data clearly, ensure that speech data and vedio data have very high matching degree, and ensure that the audio-video document after merging has very high voice quality.
The structure chart of the capture apparatus that Fig. 6 provides for another embodiment of the present invention.On the basis of above-described embodiment, sending module 51 is also for sending initial clock information to voice recording equipment, described initial clock information comprises described capture apparatus and sends timestamp corresponding to described initial clock information moment, starts timing to make described voice recording equipment according to described timestamp.
Described speech data and described vedio data have identical time shaft; Merge module 53 specifically for described speech data and described vedio data being merged into audio-video document according to described identical time shaft.
The shooting that receiver module 52 also sends for receiving described voice recording equipment starts request or shooting ending request; Capture apparatus 50 also comprises control module 54, and control module 54 starts shoot function for starting request according to described shooting or closes shoot function according to described shooting ending request.
Sending module 51 is specifically for passing through the mode of radio communication to voice recording equipment tranmitting data register synchronizing information; The described speech data that receiver module 52 is sent specifically for being received described voice recording equipment by the mode of radio communication.
Receiver module 52 is also for receiving the state information that described voice recording equipment sends by communication; Control module 54 is also for controlling described voice recording opening of device or closedown according to described state information, and described state information at least comprises: switching-state information, power state information and memory space state information.
The capture apparatus that the embodiment of the present invention provides can specifically for performing the embodiment of the method that above-mentioned Fig. 2 provides, and concrete function repeats no more herein.
The embodiment of the present invention receives the initial clock information that capture apparatus sends before receiving the clock synchronization information of capture apparatus transmission by voice recording equipment, and start timing according to the timestamp in initial clock information, when preventing voice recording equipment from not receiving clock synchronization information, clock synchronous cannot be kept with capture apparatus, further increase clock synchronization accuracy; Controlled unlatching or the closedown of the corresponding shoot function of capture apparatus by voice recording equipment as main control device, add the function of voice recording equipment; By voice recording equipment, its state information is sent to capture apparatus, control voice recording opening of device or closedown by capture apparatus according to this state information, improve the controlling functions of capture apparatus to voice recording equipment.
The structure chart of the audio-video document generation system that Fig. 7 provides for the embodiment of the present invention.The audio-video document generation system that the embodiment of the present invention provides can perform the handling process that audio-video document generation embodiment of the method provides, as shown in Figure 7, audio-video document generation system 70 comprises the voice recording equipment 30 in above-described embodiment and the capture apparatus 50 in above-described embodiment.
The audio-video document generation system that the embodiment of the present invention provides can perform the handling process that audio-video document generation embodiment of the method provides.
In sum, the embodiment of the present invention receives the initial shooting moment of capture apparatus by voice recording equipment, the clock timing starting point of himself is synchronized to the initial shooting moment, and the speech data of the person of being taken is stored from initial shooting moment record, this speech data and capture apparatus are taken the vedio data that the moment takes merge into audio-video document from initial the most at last, because initial shooting moment corresponding to speech data and vedio data is namely based on identical time shaft, even if the person of being taken be kept in motion and away from photographer time, the voice recording equipment being fixed on the person of being taken can record and store speech data clearly, ensure that speech data and vedio data have very high matching degree, and ensure that the audio-video document after merging has very high voice quality, the initial clock information that capture apparatus sends was received received the clock synchronization information of capture apparatus transmission by voice recording equipment before, and start timing according to the timestamp in initial clock information, when preventing voice recording equipment from not receiving clock synchronization information, clock synchronous cannot be kept with capture apparatus, further increase clock synchronization accuracy, controlled unlatching or the closedown of the corresponding shoot function of capture apparatus by voice recording equipment as main control device, add the function of voice recording equipment, by voice recording equipment, its state information is sent to capture apparatus, control voice recording opening of device or closedown by capture apparatus according to this state information, improve the controlling functions of capture apparatus to voice recording equipment, by voice recording equipment, AGC amplitude limiting processing is carried out to the speech data that volume is greater than default volume, prevent the recording module of voice recording equipment bad by the shake of larger speech data, further ensure the audio-video document after merging and there is very high voice quality.
In several embodiment provided by the present invention, should be understood that, disclosed apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that hardware also can be adopted to add SFU software functional unit realizes.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) perform the part steps of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. various can be program code stored medium.
Those skilled in the art can be well understood to, for convenience and simplicity of description, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, internal structure by device is divided into different functional modules, to complete all or part of function described above.The specific works process of the device of foregoing description, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (25)

1. an audio-video document generation method, is characterized in that, comprising:
Voice recording equipment receives the clock synchronization information that capture apparatus sends, and described clock synchronization information comprises the initial shooting moment of described capture apparatus;
The clock timing starting point of described voice recording equipment is synchronized to the described initial shooting moment according to described clock synchronization information by described voice recording equipment, and store the speech data of the person of being taken from described initial shooting moment record, the person of being taken described in described voice recording equipment is fixed on;
Described speech data is sent to described capture apparatus by described voice recording equipment, to make described capture apparatus, described speech data and described capture apparatus is merged into audio-video document from the vedio data of the person of being taken of described initial shooting moment shooting.
2. method according to claim 1, is characterized in that, described voice recording equipment also comprises before receiving the clock synchronization information of capture apparatus transmission:
Described voice recording equipment receives the initial clock information that described capture apparatus sends, and described initial clock information comprises described capture apparatus and sends timestamp corresponding to described initial clock information moment;
Described voice recording equipment starts timing according to described timestamp.
3. method according to claim 2, is characterized in that, described voice recording equipment also comprises after starting timing according to described timestamp:
Described voice recording equipment sends shooting to described capture apparatus and starts request, starts shoot function to make described capture apparatus;
Described voice recording equipment also comprises after described speech data is sent to described capture apparatus:
Described voice recording equipment sends shooting ending request to described capture apparatus, closes shoot function to make described capture apparatus.
4. the method according to any one of claim 1-3, is characterized in that, described voice recording equipment receives the clock synchronization information that capture apparatus sends, and comprising:
Described voice recording equipment receives the clock synchronization information of capture apparatus transmission by the mode of radio communication;
Described speech data is sent to described capture apparatus by described voice recording equipment, comprising:
Described speech data is sent to described capture apparatus by the mode of radio communication by described voice recording equipment.
5. method according to claim 4, is characterized in that, also comprises:
Himself on off state, state of charge and memory space state of described voice recording monitoring of equipment, and generate state information, described state information at least comprises: switching-state information, power state information and memory space state information;
Described state information is sent to described capture apparatus by communication by described voice recording equipment, controls described voice recording opening of device or closedown to make described capture apparatus according to described state information.
6. method according to claim 5, is characterized in that, described from described initial shooting the moment record store the person of being taken speech data after, also comprise:
Described voice recording equipment carries out AGC amplitude limiting processing to the speech data that volume is greater than default volume;
Initial clock and the gps clock of described voice recording equipment keep synchronous, and the initial clock of described capture apparatus keeps synchronous with the clock of gps clock or described capture apparatus own base station.
7. an audio-video document generation method, is characterized in that, comprising:
Capture apparatus is to voice recording equipment tranmitting data register synchronizing information, described clock synchronization information comprises the initial shooting moment of described capture apparatus, according to described clock synchronization information, the clock timing starting point of described voice recording equipment is synchronized to the described initial shooting moment to make described voice recording equipment, and store the speech data of the person of being taken from described initial shooting moment record, the person of being taken described in described voice recording equipment is fixed on;
Described capture apparatus receives the described speech data that described voice recording equipment sends, and described speech data and described capture apparatus are merged into audio-video document from the vedio data of the person of being taken of described initial shooting moment shooting.
8. method according to claim 7, is characterized in that, described capture apparatus, to before voice recording equipment tranmitting data register synchronizing information, also comprises:
Described capture apparatus sends initial clock information to voice recording equipment, and described initial clock information comprises described capture apparatus and sends timestamp corresponding to described initial clock information moment, starts timing to make described voice recording equipment according to described timestamp.
9. method according to claim 8, is characterized in that, described speech data and described vedio data have identical time shaft;
Described described speech data and described capture apparatus are merged into audio-video document from the vedio data of the person of being taken of described initial shooting moment shooting, comprising:
According to described identical time shaft, described speech data and described vedio data are merged into audio-video document.
10. method according to claim 9, is characterized in that, described capture apparatus, to before voice recording equipment tranmitting data register synchronizing information, also comprises:
Described capture apparatus receives the shooting startup request that described voice recording equipment sends, and starts shoot function according to described shooting startup request;
Described capture apparatus also comprises after receiving the described speech data of described voice recording equipment transmission:
Described capture apparatus receives the shooting ending request that described voice recording equipment sends, and closes shoot function according to described shooting ending request.
11. methods according to claim 10, is characterized in that, described capture apparatus, to voice recording equipment tranmitting data register synchronizing information, comprising:
Described capture apparatus passes through the mode of radio communication to voice recording equipment tranmitting data register synchronizing information;
Described capture apparatus receives the described speech data that described voice recording equipment sends, and comprising:
Described capture apparatus receives the described speech data of described voice recording equipment transmission by the mode of radio communication.
12. methods according to claim 11, is characterized in that, also comprise:
Described capture apparatus receives the state information of described voice recording equipment transmission by communication, and controlling described voice recording opening of device or closedown according to described state information, described state information at least comprises: switching-state information, power state information and memory space state information.
13. 1 kinds of voice recording equipment, is characterized in that, comprising:
Receiver module, for receiving the clock synchronization information that capture apparatus sends, described clock synchronization information comprises the initial shooting moment of described capture apparatus;
Synchronization module, is synchronized to described initial shooting moment according to described clock synchronization information by the clock timing starting point of described voice recording equipment for equipment;
Record memory module, for storing the speech data of the person of being taken, the person of being taken described in described voice recording equipment is fixed on from described initial shooting moment record;
Sending module, for described speech data is sent to described capture apparatus, merges into audio-video document by described speech data and described capture apparatus from the vedio data of the person of being taken of described initial shooting moment shooting to make described capture apparatus.
14. voice recording equipment according to claim 13, it is characterized in that, described receiver module is also for receiving the initial clock information that described capture apparatus sends, and described initial clock information comprises described capture apparatus and sends timestamp corresponding to described initial clock information moment;
Described voice recording equipment also comprises timing module, and described timing module is used for starting timing according to described timestamp.
15. voice recording equipment according to claim 14, it is characterized in that, described sending module sends shooting to described capture apparatus and starts request after also starting timing for described voice recording equipment according to described timestamp, starts shoot function to make described capture apparatus; After described speech data is sent to described capture apparatus by described voice recording equipment, send shooting ending request to described capture apparatus, close shoot function to make described capture apparatus.
16. voice recording equipment according to any one of claim 13-15, is characterized in that, the clock synchronization information that described receiver module is sent specifically for being received capture apparatus by the mode of radio communication;
Described sending module is specifically for sending to described capture apparatus by described speech data by the mode of radio communication.
17. voice recording equipment according to claim 16, is characterized in that, also comprise:
Monitoring modular, for monitoring himself on off state, state of charge and memory space state, and generate state information, described state information at least comprises: switching-state information, power state information and memory space state information;
Described sending module, also for described state information is sent to described capture apparatus by communication, controls described voice recording opening of device or closedown to make described capture apparatus according to described state information.
18. voice recording equipment according to claim 17, is characterized in that, also comprise:
AGC clipping module, carries out AGC amplitude limiting processing for speech data volume being greater than to default volume;
Initial clock and the gps clock of described voice recording equipment keep synchronous, and the initial clock of described capture apparatus keeps synchronous with the clock of gps clock or described capture apparatus own base station.
19. 1 kinds of capture apparatus, is characterized in that, comprising:
Sending module, for to voice recording equipment tranmitting data register synchronizing information, described clock synchronization information comprises the initial shooting moment of described capture apparatus, according to described clock synchronization information, the clock timing starting point of described voice recording equipment is synchronized to the described initial shooting moment to make described voice recording equipment, and store the speech data of the person of being taken from described initial shooting moment record, the person of being taken described in described voice recording equipment is fixed on;
Receiver module, for receiving the described speech data that described voice recording equipment sends;
Merge module, for described speech data and described capture apparatus are merged into audio-video document from the vedio data of the person of being taken of described initial shooting moment shooting.
20. capture apparatus according to claim 19, it is characterized in that, described sending module is also for sending initial clock information to voice recording equipment, described initial clock information comprises described capture apparatus and sends timestamp corresponding to described initial clock information moment, starts timing to make described voice recording equipment according to described timestamp.
21. capture apparatus according to claim 20, is characterized in that, described speech data and described vedio data have identical time shaft;
Described merging module is specifically for merging into audio-video document according to described identical time shaft by described speech data and described vedio data.
22. capture apparatus according to claim 21, is characterized in that, the shooting that described receiver module also sends for receiving described voice recording equipment starts request or shooting ending request;
Described capture apparatus also comprises control module, starts shoot function for starting request according to described shooting or closes shoot function according to described shooting ending request.
23. capture apparatus according to claim 22, is characterized in that, described sending module is specifically for passing through the mode of radio communication to voice recording equipment tranmitting data register synchronizing information;
The described speech data that described receiver module is sent specifically for being received described voice recording equipment by the mode of radio communication.
24. capture apparatus according to claim 23, is characterized in that, described receiver module is also for receiving the state information that described voice recording equipment sends by communication;
Described control module is also for controlling described voice recording opening of device or closedown according to described state information, and described state information at least comprises: switching-state information, power state information and memory space state information.
25. 1 kinds of audio-video document generation systems, is characterized in that, comprise the voice recording equipment as described in any one of claim 13-18 and the capture apparatus as described in any one of claim 19-24.
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