CN108174138B - Video shooting method, voice acquisition equipment and video shooting system - Google Patents
Video shooting method, voice acquisition equipment and video shooting system Download PDFInfo
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- CN108174138B CN108174138B CN201810002290.1A CN201810002290A CN108174138B CN 108174138 B CN108174138 B CN 108174138B CN 201810002290 A CN201810002290 A CN 201810002290A CN 108174138 B CN108174138 B CN 108174138B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/9201—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal
- H04N5/9202—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal the additional signal being a sound signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/265—Mixing
Abstract
The embodiment of the invention discloses a video shooting method, voice acquisition equipment and a video shooting system. The video shooting method comprises the following steps: the voice acquisition equipment acquires a vibration analog signal of a vocal cord of a user and converts the vibration analog signal into a digital voice signal; the voice acquisition equipment sends the digital voice signals to video acquisition equipment matched with the voice acquisition equipment, so that the video acquisition equipment combines the acquired video signals with the digital voice signals to generate a video file. The embodiment of the invention avoids the environmental noise signals contained in the collected voice signals and the loss of the voice signals caused by air transmission, so that the video file generated by combining the digital voice signals and the video signals has no problem of poor voice signal quality, and the overall quality of the video file is improved.
Description
Technical Field
The embodiment of the invention relates to the technology of intelligent electronic equipment, in particular to a video shooting method, voice acquisition equipment and a video shooting system.
Background
With the rapid development of networks and mobile terminals such as smart phones, more and more users shoot videos or video calls through the mobile terminals in various different occasions, but due to environmental noise, the videos contain a large amount of noise, or the distance between the mobile terminal and the users is large, so that the sound information of the users in the videos is not clear, and the video recording quality is affected.
Disclosure of Invention
The embodiment of the invention provides a video shooting method, voice acquisition equipment and a video shooting system, so as to improve the quality of video recording.
The embodiment of the invention provides a video shooting method, which comprises the following steps:
the voice acquisition equipment acquires a vibration analog signal of a vocal cord of a user and converts the vibration analog signal into a digital voice signal;
the voice acquisition equipment sends the digital voice signals to video acquisition equipment matched with the voice acquisition equipment, so that the video acquisition equipment combines the acquired video signals with the digital voice signals to generate a video file.
An embodiment of the present invention further provides a voice collecting device, where the voice collecting device includes: the device comprises a controller, a vibration sensor, a transmission module and a conversion module; wherein the content of the first and second substances,
the controller is electrically connected with the vibration sensor and used for receiving a voice acquisition instruction and triggering the vibration sensor according to the voice acquisition instruction;
the vibration sensor is used for acquiring a vibration analog signal of a vocal cord of a user;
the conversion module is electrically connected with the vibration sensor and is used for converting the vibration analog signal into a digital voice signal;
and the transmission module is electrically connected with the conversion module and is used for transmitting the digital voice signal to the video acquisition equipment matched with the voice acquisition equipment.
The embodiment of the invention also provides a video shooting system, which comprises video acquisition equipment and the voice acquisition equipment provided by the embodiment of the invention; wherein the content of the first and second substances,
the video acquisition equipment is used for acquiring video signals, the video signals and the digital voice signals are acquired synchronously, and the video acquisition equipment is also used for receiving the digital voice signals sent by the voice acquisition equipment and combining the digital voice signals and the video signals to generate a video file.
According to the embodiment of the invention, the vibration analog signal of the vocal cords of the user is acquired by the voice acquisition equipment, and the digital voice signal is generated through conversion, so that the problems that the acquired voice signal contains an environmental noise signal and the voice signal is lost due to air transmission, a video file generated by combining the digital voice signal and the video signal has no problem of poor voice signal quality, and the overall quality of the video file is improved.
Drawings
Fig. 1 is a flowchart of a video capture method according to an embodiment of the present invention;
fig. 2 is a flowchart of a video capture method according to another embodiment of the invention;
fig. 3 is a schematic structural diagram of a voice collecting device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a video camera according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a flowchart of a video shooting method according to an embodiment of the present invention, where the present embodiment is applicable to a case where a high-quality video is shot synchronously by using a voice capture device and a video capture device, and the method can be executed by a video shooting system according to an embodiment of the present invention, where the video shooting system can be implemented in a software and/or hardware manner.
As shown in fig. 1, in an embodiment, a video shooting method is provided, which specifically includes:
s110, the voice acquisition equipment acquires vibration analog signals of vocal cords of a user and converts the vibration analog signals into digital voice signals.
In this embodiment, the voice capturing device may be a wearable device independent of the video capturing device, and is disposed on the surface of the vocal cords of the neck of the user to capture vibration analog signals of the vocal cords of the user, and one video capturing device may correspond to one or more voice capturing devices to capture vibration analog signals of the vocal cords of one or more users at the same time; the voice acquisition device can also correspond to one or more video acquisition devices and is used for sending the vibration analog signals of the vocal cords of the same user to the one or more video acquisition devices. The vibration analog signal of the vocal cords of the user comprises the vibration frequency and the vibration intensity of the vocal cords when the user vocalizes, and the vibration analog signal is converted into a digital voice signal.
In the embodiment, the digital voice signal is obtained by converting the directly collected vibration analog signal of the vocal cords, does not contain any noise signal, does not undergo air transmission, does not have loss caused by air transmission, and has clear and accurate signal and high signal quality.
Optionally, the voice collecting device collects a vibration analog signal of a vocal cord of the user, including: the voice acquisition equipment receives a voice acquisition instruction and sends a control instruction to the video acquisition equipment according to the voice acquisition instruction, wherein the control instruction is used for controlling the voice input module of the video acquisition equipment to be closed; and the voice acquisition equipment acquires the vibration analog signal of the vocal cords of the user meeting the preset frequency range according to the voice acquisition instruction.
The voice acquisition instruction can be generated by pressing a preset key or can be generated by triggering through preset voice. The video capture device refers to a device with a video capture function, and may be a mobile terminal such as a smart phone, a tablet computer, or a computer. Optionally, after receiving the voice acquisition instruction, the voice acquisition device sends a control instruction to the video acquisition device, and if the video acquisition device has a voice input module, the video acquisition device closes the voice input module according to the control instruction, so that the problems that the voice input module of the voice acquisition device and the voice input module of the video acquisition device acquire voice signals simultaneously to cause confusion and poor signal quality are avoided.
Optionally, the voice acquisition instruction may also be generated by a video acquisition device, and the video acquisition device sends the voice acquisition instruction to the voice acquisition device, so that the voice acquisition device acquires a vibration analog signal of a vocal cord of a user according to the voice acquisition instruction, and meanwhile, the video acquisition device generates a control instruction to close a voice input module of the video acquisition device.
Optionally, the voice collecting device screens the collected analog vibration signal according to a preset frequency range, for example, the preset frequency range may be 20Hz to 20000 Hz.
And S120, the voice acquisition equipment sends the digital voice signal to video acquisition equipment matched with the voice acquisition equipment so that the video acquisition equipment combines the acquired video signal with the digital voice signal to generate a video file.
The voice acquisition equipment and the video acquisition equipment are matched in advance, for example, the voice acquisition equipment and the video acquisition equipment are connected through a data line to complete matching. Or, the voice capturing device and the video capturing device are matched in a WIreless connection manner, for example, matching may be performed in the form of bluetooth, WI-FI (WIreless-Fidelity), NFC (Near Field Communication), or two-dimensional code of a scanning device, or matching may be performed by device ID (identity) of the voice capturing device and the video capturing device.
After the matching is successful, the voice acquisition equipment sends the acquired digital voice signal to the matched video acquisition equipment so that the video acquisition equipment combines the digital voice signal and the video signal to generate a complete video file. Optionally, the video file is applied to a video call or video storage. For example, the video acquisition device may be a smart phone, and if the currently running application of the smart phone is a video call, each video file formed by combination is sent to a contact corresponding to the video call, so that the quality of the video call is improved, and the high quality and the real-time performance of the video call are both considered; and if the currently running application of the smart phone is not the video call, storing each video file formed by combination into a preset storage folder, and combining each video file according to a time sequence to generate a complete video file. The voice signal in the video file is clear and accurate, and does not contain noise, so that the quality of the video file is improved.
Optionally, the voice collecting device segments the vibration analog signal according to the vibration intensity of the vocal cords. For example, the vibration analog signal between the time points at which the vibration intensity is 0 every two times may be divided into one signal segment. Optionally, segmenting the vibration analog signal includes: taking the triggered moment of the voice acquisition equipment as an initial moment, and recording as a starting time point t 0; searching for a time point of a signal with the vibration intensity of 0 appearing for the first time after the start time point t0 in the vibration simulation signal, and taking the time point of the signal with the vibration intensity of 0 appearing for the first time after the start time point t0 as an end time point t 1; dividing the vibration simulation signal between the start time point t0 and the end time point t1 into a signal segment; and continuously detecting whether a signal with the vibration intensity of 0 exists, if so, taking the time point of the signal with the vibration intensity of 0 appearing for the first time after the ending time point t1 and the time point of the signal with the vibration intensity of 0 appearing for the first time after the ending time point t1 as the starting time point t0 of the next signal segment, and circularly executing the steps to segment the vibration simulation signal collected by the voice collecting device in real time.
Alternatively, the vibration simulation signal may be segmented according to a fixed interval time. Illustratively, the fixed interval time is T, and the sound collecting device is triggered as a starting time, the segments of the vibration analog signal may be 0-T, T-2T and 2T-3T, etc., where T may be 500ms or 1 s.
Optionally, voice capture device sends digital voice signal to with voice capture device assorted video capture device, include:
and the voice acquisition equipment transmits the digital voice signal converted by each section of vibration analog signal to the video acquisition equipment matched with the voice acquisition equipment in real time.
In the embodiment, after each signal segment obtained by segmenting the vibration analog signal is converted into the digital voice signal, each digital voice signal segment is sent to the video acquisition equipment in real time, so that the real-time performance is strong, and the time delay is effectively avoided. Each section of digital voice signal can be transmitted wirelessly or in a wired mode, and synchronous acquisition of the voice signal and the video signal by the voice acquisition equipment and the video acquisition equipment which are independent of each other is achieved. Optionally, the digital voice signal carries a first timestamp, and the video signal carries a second timestamp, wherein the video signal collected by the video collecting device with the digital voice signal video collecting device is merged to generate a video file, including: the video acquisition device identifies a second timestamp that matches the first timestamp; and the video acquisition equipment combines the digital voice signal corresponding to the first timestamp with the video signal corresponding to the second timestamp to generate a video file.
When the voice acquisition equipment acquires the vibration analog signal, recording a first time stamp of the vibration analog signal, and converting the vibration analog signal into a digital voice signal, wherein the digital voice signal carries the first time stamp; and the video acquisition equipment records a second time stamp of the video signal when acquiring the video signal. Optionally, the vibration analog signal and the video signal are synchronously acquired, that is, the first timestamp and the second timestamp have a corresponding relationship. Illustratively, the vibration analog signal acquired at time T1 corresponds to the video signal acquired at time T1.
In this embodiment, after receiving the digital voice signal sent by the voice capture device, the video capture device matches the first timestamp with the second timestamp, and merges the digital voice signal and the video signal corresponding to the timestamp that is successfully matched to form a video file. Preferably, voice acquisition equipment and video acquisition equipment pass through wireless connection, have avoided the restriction of wired connection to the distance between the equipment, on the basis of guaranteeing voice acquisition equipment and video acquisition equipment real-time communication, have improved the degree of freedom of the shooting of video file, have solved video acquisition equipment and user's distance simultaneously and can not guarantee that video signal and speech signal gather when far away, or the poor problem of speech signal quality, have improved the environmental suitability and the user experience of video shooting simultaneously.
According to the technical scheme, the vibration analog signals of the vocal cords of the user are collected through the voice collecting device, the digital voice signals are generated through conversion, the situation that the collected voice signals contain environmental noise signals and the loss of the voice signals caused by air transmission is avoided, the problem that the quality of the voice signals is poor does not exist in the video files generated by combining the digital voice signals and the video signals, and the overall quality of the video files is improved.
Fig. 2 is a flowchart of a video shooting method according to another embodiment, which is further optimized based on the foregoing embodiment, and accordingly, the method specifically includes:
s210, the voice acquisition equipment acquires vibration analog signals of vocal cords of the user.
S220, the voice acquisition equipment acquires the sound signal transmitted by the air within the preset distance range, amplifies the sound signal and analyzes the sound signal into a verification analog signal.
In this embodiment, the voice acquisition equipment is when gathering the vibration analog signal, and synchronous collection presets the acoustic signal of distance within range air transmission, and is exemplary, and the preset distance scope can be apart from user's neck vocal cord surface 1cm distance range, contains accurate speech signal and less noise signal that the user sent in the acoustic signal of this within range, can be used to carry out the check-up to the vibration analog signal. The checking analog signal comprises checking frequency and checking strength.
And S230, the voice acquisition equipment checks the vibration analog signal according to the checking analog signal.
The verification process includes, but is not limited to, a smoothing process for the vibration simulation signal and a filling process for a blank signal in the vibration simulation signal. Optionally, the vibration frequency of the vibration analog signal is checked through the check frequency of the check analog signal, the vibration intensity of the vibration analog signal is checked through the check intensity of the check analog signal, the vibration analog signal is optimized, and the signal quality of the vibration analog signal is improved.
And S240, converting the verified vibration analog signal into a digital voice signal by the voice acquisition equipment.
And S250, the voice acquisition equipment sends the digital voice signal to video acquisition equipment matched with the voice acquisition equipment so that the video acquisition equipment combines the acquired video signal with the digital voice signal to generate a video file.
According to the technical scheme, the vibration analog signals of the vocal cords of the user and the sound signals transmitted by the air within the preset distance range are synchronously collected, the vibration analog signals are verified according to the verification analog signals formed by sound signal analysis, the signal quality of the vibration analog signals and the quality of the digital voice signals are improved, and the quality of video files is further improved.
Fig. 3 is a schematic structural diagram of a voice capturing device provided in an embodiment, where the voice capturing device specifically includes a controller 310, a vibration sensor 320, a transmission module 330, and a conversion module 340; wherein the content of the first and second substances,
the controller 310 is electrically connected with the vibration sensor 320 and is used for receiving a voice acquisition instruction and triggering the vibration sensor 320 according to the voice acquisition instruction;
a vibration sensor 320 for collecting a vibration analog signal of a vocal cord of a user;
the conversion module 340 is electrically connected with the vibration sensor 320 and is used for converting the vibration analog signal into a digital voice signal;
and the transmission module 330 is electrically connected with the conversion module 340 and is used for transmitting the digital voice signal to the video acquisition equipment matched with the voice acquisition equipment.
In this embodiment, the voice collecting device can collect a low-noise digital voice signal, and optionally, the voice collecting device sends the digital voice signal to the video collecting device, so that the video collecting device combines the digital voice signal and the video signal to generate a video file, or so that the video collecting device uses the digital voice signal for voice call, and further so that the video collecting device recognizes the digital voice signal as a voice instruction, and executes a corresponding operation according to the voice instruction. Illustratively, the current application in the terminal matched with the voice acquisition device is a peer communication application, for example, the peer communication application may be WeChat, and when the terminal receives a digital voice signal sent by the voice acquisition device, the digital voice signal is sent to a contact currently displayed by the terminal. Illustratively, the terminal matched with the voice acquisition device can be an intelligent set top box or an intelligent mobile phone and the like, receives and identifies the digital voice signal sent by the voice acquisition device, and executes the identified voice instruction.
Optionally, the voice collecting device further includes a power supply module, which is electrically connected to the controller 310, the vibration sensor 320, the transmission module 330, and the conversion module 340, respectively, and is configured to provide power for the controller 310, the vibration sensor 320, the transmission module 330, and the conversion module 340.
Optionally, the voice acquisition device further includes a signal processing module, electrically connected to the vibration sensor, for segmenting the vibration analog signal according to the vibration intensity of the vocal cords;
the transmission module is specifically used for transmitting the digital voice signals converted by each section of vibration analog signals to the video acquisition equipment matched with the voice acquisition equipment in real time.
Optionally, the voice collecting device further includes a voice collecting module, a signal amplifying module, a signal analyzing module and a signal checking module; wherein the content of the first and second substances,
the controller is also used for triggering the sound acquisition module according to the voice acquisition instruction;
the sound acquisition module is electrically connected with the controller and is used for acquiring sound signals transmitted by air within a preset distance range;
the signal amplification module is electrically connected with the sound acquisition module and is used for amplifying the sound signal;
the signal analysis module is electrically connected with the signal amplification module and is used for analyzing the amplified sound signal into a check analog signal;
the signal checking module is electrically connected with the signal analysis module and the vibration sensor and used for checking the vibration analog signal according to the checking analog signal;
the conversion module is specifically configured to convert the verified vibration analog signal into a digital voice signal.
Optionally, the vibration sensor is fitted to the vocal cord surface of the neck of the user without a gap.
In this embodiment, pronunciation collection equipment zero clearance is laminated in the vocal cords surface of user's neck, and vibration sensor sets up in the position that pronunciation collection equipment is used for laminating with the vocal cords surface for pronunciation collection equipment can gather accurate vibration analog signal.
Optionally, the voice acquisition equipment is provided with a fixing device for fixing the voice acquisition equipment on the clothes of the user, and the voice acquisition equipment is prevented from falling off and losing due to the action of the user.
The voice acquisition equipment provided by the embodiment acquires the vibration analog signal of the vocal cords of the user through the vibration sensor, converts the conversion module into the digital voice signal, and then sends the digital voice signal to the terminal matched with the voice acquisition equipment through the transmission device, so that the acquisition and transmission of the low-noise voice signal are realized.
Fig. 4 is a schematic structural diagram of a video capture system provided in one embodiment, where the video capture system includes a video capture device 410 and a voice capture device 420 provided in any embodiment of the present invention. Wherein the content of the first and second substances,
the video capture device 410 is configured to capture a video signal, where the video signal is captured synchronously with the digital voice signal, and is further configured to receive the digital voice signal sent by the voice capture device 420, and combine the digital voice signal and the video signal to generate a video file.
After receiving a voice acquisition instruction, the voice acquisition equipment sends a control instruction to the video acquisition equipment according to the voice acquisition instruction, wherein the control instruction is used for controlling to close a voice input module of the video acquisition equipment and simultaneously controlling to open a video acquisition module of the video acquisition equipment, so that synchronous acquisition of video signals and digital voice signals is realized.
Optionally, the video capture device 410 is further configured to receive a control instruction sent by the voice capture device, and close the voice input module according to the control instruction.
Optionally, the digital voice signal carries a first timestamp, the video signal carries a second timestamp, and the video capture device 410 is specifically configured to identify the second timestamp matched with the first timestamp, and combine the digital voice signal corresponding to the first timestamp with the video signal corresponding to the second timestamp to generate a video file.
The video shooting system can execute the video shooting method provided by any embodiment of the invention and has corresponding functional modules and beneficial effects for executing the video shooting method.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (9)
1. A video capture method, comprising:
the voice acquisition equipment acquires a vibration analog signal of a vocal cord of a user and converts the vibration analog signal into a digital voice signal;
the voice acquisition equipment sends the digital voice signal to video acquisition equipment matched with the voice acquisition equipment so that the video acquisition equipment combines the acquired video signal with the digital voice signal to generate a video file;
before converting the vibration analog signal into a digital voice signal, further comprising:
the voice acquisition equipment acquires a sound signal transmitted by air within a preset distance range, amplifies the sound signal and analyzes the sound signal into a verification analog signal;
the voice acquisition equipment checks the vibration analog signal according to the check analog signal;
correspondingly, the vibration analog signal is converted into a digital voice signal, and the method comprises the following steps:
and the voice acquisition equipment converts the verified vibration analog signal into a digital voice signal.
2. The method of claim 1, after the voice capture device captures the vibration analog signal of the vocal cords of the user, further comprising:
the voice acquisition equipment segments the vibration simulation signal according to the vibration intensity of the vocal cords;
the voice acquisition equipment will digital voice signal send to with voice acquisition equipment assorted video acquisition equipment includes:
and the voice acquisition equipment transmits the digital voice signal converted by each section of vibration analog signal to the video acquisition equipment matched with the voice acquisition equipment in real time.
3. The method of claim 1, wherein the digital voice signals carry a first timestamp and the video signals each carry a second timestamp, and wherein merging the captured video signals with the digital voice signals by a video capture device to generate a video file comprises:
the video capture device identifying a second timestamp that matches the first timestamp;
and the video acquisition equipment combines the digital voice signal corresponding to the first timestamp with the video signal corresponding to the second timestamp to generate a video file.
4. A method according to any one of claims 1 to 3, wherein the voice capturing device captures a vibration analog signal of the vocal cords of the user, comprising:
the voice acquisition equipment receives a voice acquisition instruction and sends a control instruction to the video acquisition equipment according to the voice acquisition instruction, wherein the control instruction is used for controlling the voice input module of the video acquisition equipment to be closed;
and the voice acquisition equipment acquires the vibration simulation signal of the vocal cords of the user meeting the preset frequency range according to the voice acquisition instruction.
5. A speech acquisition device, comprising: the device comprises a controller, a vibration sensor, a transmission module and a conversion module; wherein the content of the first and second substances,
the controller is electrically connected with the vibration sensor and used for receiving a voice acquisition instruction and triggering the vibration sensor according to the voice acquisition instruction;
the vibration sensor is used for acquiring a vibration analog signal of a vocal cord of a user;
the conversion module is electrically connected with the vibration sensor and is used for converting the vibration analog signal into a digital voice signal;
the transmission module is electrically connected with the conversion module and is used for transmitting the digital voice signal to video acquisition equipment matched with the voice acquisition equipment;
the voice acquisition equipment also comprises a voice acquisition module, a signal amplification module, a signal analysis module and a signal verification module; wherein the content of the first and second substances,
the controller is further used for triggering the sound acquisition module according to the voice acquisition instruction;
the sound acquisition module is electrically connected with the controller and is used for acquiring sound signals transmitted by air within a preset distance range;
the signal amplification module is electrically connected with the sound acquisition module and is used for amplifying the sound signal;
the signal analysis module is electrically connected with the signal amplification module and is used for analyzing the amplified sound signal into a check analog signal;
the signal checking module is electrically connected with the signal analysis module and the vibration sensor and used for checking the vibration analog signal according to the checking analog signal;
the conversion module is specifically used for converting the verified vibration analog signal into a digital voice signal.
6. The voice collecting device according to claim 5, further comprising a signal processing module electrically connected to the vibration sensor for segmenting the vibration analog signal according to the vibration intensity of vocal cords;
the transmission module is also used for transmitting the digital voice signals converted by each section of vibration analog signals to the video acquisition equipment matched with the voice acquisition equipment in real time.
7. A video capture system comprising a video capture device and a voice capture device as claimed in any one of claims 5 to 6; wherein the content of the first and second substances,
the video acquisition equipment is used for acquiring video signals, the video signals and the digital voice signals are acquired synchronously, and the video acquisition equipment is also used for receiving the digital voice signals sent by the voice acquisition equipment and combining the digital voice signals and the video signals to generate a video file.
8. The video shooting system of claim 7, wherein the video capture device is further configured to receive a control command sent by the voice capture device, and to turn off a voice input module according to the control command.
9. The video shooting system of claim 7, wherein the digital voice signals carry a first timestamp, the video signals carry a second timestamp, and the video capture device is further configured to identify the second timestamp that matches the first timestamp, and combine the digital voice signals corresponding to the first timestamp with the video signals corresponding to the second timestamp to generate a video file.
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