CN110944121A - Audio and video synthesis system based on Canon single reflex and microphone - Google Patents
Audio and video synthesis system based on Canon single reflex and microphone Download PDFInfo
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- CN110944121A CN110944121A CN201911272194.XA CN201911272194A CN110944121A CN 110944121 A CN110944121 A CN 110944121A CN 201911272194 A CN201911272194 A CN 201911272194A CN 110944121 A CN110944121 A CN 110944121A
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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
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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 invention discloses an audio and video synthesis system based on Canon single reflex and a microphone, which comprises a Canon single reflex module, an SDK development kit module, a single-frame picture module, a video stream module, a video file module, a pickup module, an audio information module and a synthesis stream module. This based on Canon list anti-and microphone audio and video synthesis system has solved present video and has recorded software system and used ordinary camera, surveillance camera head, can't satisfy special image quality demand, causes the image to be trailing easily, the not good problem of effect.
Description
Technical Field
The invention relates to the technical field of video synthesis, in particular to an audio and video synthesis system based on Canon single reflex and a microphone.
Background
The system is a system for synthesizing a picture set and an audio track based on a Canon EOS series single lens reflex camera and a microphone pickup. The video recording with high definition is realized, and the method has wide application prospect in the field of high definition image quality requirements, such as factories, parks, markets, conference centers, exhibition halls, schools, hospitals and other places with high image quality requirements.
The conventional video recording software system uses a common camera and a monitoring camera, cannot meet the requirement of special image quality, easily causes image tailing and has poor effect.
Disclosure of Invention
The invention aims to provide an audio and video synthesis system based on Canon digital television and a microphone, which aims to solve the problems that the conventional video recording software system provided in the background art cannot meet the requirements of special image quality, is easy to cause image tailing and has poor effect because a common camera and a monitoring camera are used.
In order to achieve the purpose, the invention provides the following technical scheme: an audio and video synthesis system based on Canon single reflex and a microphone comprises a Canon single reflex module, an SDK development package module, a single-frame picture module, a video stream module, a video file module, a sound pick-up module, an audio information module and a synthesis stream module, it is characterized in that the output end of the Canon single-reflex module is electrically connected with an SDK development package module, the output end of the SDK development package module is electrically connected with a single-frame picture module, the output end of the SDK development package module is electrically connected with the single-frame picture module, the output end of the single-frame picture module is electrically connected with a video stream module, the output end of the video stream module is electrically connected with a video file module, the output electric connection of adapter module has the audio information module, the output electric connection of audio information module has the video stream module, the video stream module is the video file module with synthetic stream module output.
Preferably, the SDK development package module is configured to obtain a current single-reflex device picture.
Preferably, the sound pickup module is configured to acquire sound information in a current environment.
Preferably, the single-frame image module and the audio information module sequentially load the sound information and the single-frame image into the video stream according to a sequence, each frame in the stream corresponds to a section of sound information, and the start and end positions of the video stream are set to complete the synthesis of the whole section of content.
Preferably, the Canon single-lens reflex module and the sound pickup module are electrically connected in parallel.
Preferably, the Canon single-reflex module, the SDK development package module, the single-frame picture module, the video stream module and the video file module are all electrically connected in series.
Preferably, the sound pickup module is further provided with a noise reduction module, and the noise reduction module adopts a noise reduction layer to reduce noise of the sound pickup module.
Preferably, Canon single-reflection module still is provided with the light filling module, the light filling module adopts LED lighting device, is electric connection between light filling module and the Canon single-reflection module.
Preferably, the sound pickup module is further provided with a sound sensor, the sound sensor is used for receiving sound waves and displaying a vibration image of sound, the sound sensor is internally provided with a capacitor electret microphone sensitive to sound, and the sound waves vibrate an electret film in the microphone to cause a change of capacitance and generate a small voltage which changes correspondingly. This voltage is then converted to a voltage of 0-5V, received by the data collector via A/D conversion, and transmitted to the computer.
Preferably, the sound pickup module is further provided with a sound sensor for receiving sound waves and displaying a vibration image of the sound, the sound sensor is internally provided with a capacitor electret microphone sensitive to the sound, the sound waves vibrate an electret film in the microphone to cause a change in capacitance and generate a small voltage corresponding to the change, and the voltage is converted into a voltage of 0-5V, is received by the data acquisition unit through a/D conversion and is transmitted to the computer.
Compared with the prior art, the invention has the beneficial effects that:
the audio and video synthesis system based on Canon single reflex and a microphone realizes video recording based on single reflex equipment, the quality of the content acquired by the traditional equipment cannot be guaranteed due to factors such as resolution ratio, use place and hardware of the traditional equipment, so the technical content quality of the single reflex equipment replacing the traditional equipment is better, the system is different from the plug and play of the traditional equipment, and the single reflex and the complex of the single reflex in operation and use are better, therefore, the technical scheme solves the problem, the Canon single reflex module is also provided with a light supplementing module which adopts an LED illuminating device and can supplement light during shooting, the problem of poor shooting effect caused by poor light is avoided, the sound pick-up module is also provided with a noise reduction module which adopts a noise reduction layer to reduce the noise of the sound pick-up module, and the noise outside is reduced through the noise reduction module, thereby avoiding the influence of the outside sound during recording, the quality of recording has been preserved, the adapter module still is provided with sound sensor, sound sensor is used for receiving the sound wave, shows the vibration image of sound, sound sensor embeds the capacitanc electret microphone sensitive to sound, and the sound wave makes the electret film vibration in the microphone, leads to the change of electric capacity, and produces the little voltage that corresponds the change with it, and this voltage is converted into 0-5V's voltage afterwards, is accepted by data collection station through the AD conversion to convey the computer, can monitor the size of sound through sound sensor, thereby can adjust sound at any time, guarantee the effect of recording.
Drawings
FIG. 1 is a schematic flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: an audio and video synthesis system based on Canon single reflex and a microphone comprises a Canon single reflex module, an SDK development kit module, a single-frame picture module, a video stream module, a video file module, an adapter module, an audio information module and a synthesis stream module, and is characterized in that the output end of the Canon single reflex module is electrically connected with the SDK development kit module, the output end of the SDK development kit module is electrically connected with the single-frame picture module, the output end of the single-frame picture module is electrically connected with the video stream module, the output end of the video stream module is electrically connected with the video file module, the output end of the adapter module is electrically connected with the audio information module, and the output end of the audio information module is electrically connected with the video stream module;
the video stream module and the synthesized stream module are output as a video file module, the SDK development package module is used for acquiring a current single-reflex device picture, the sound pick-up module is used for acquiring sound information in a current environment, the single-frame picture module and the audio information module sequentially load the sound information and the single-frame picture into the video stream according to the sequence, each frame in the stream corresponds to a section of sound information, the starting and ending positions of the video stream are set, the whole section of content synthesis is completed, the Canon single-reflex module and the sound pick-up module are electrically connected in parallel, the Canon single-reflex module, the SDK development package module, the single-frame picture module, the video stream module and the video file module are electrically connected in series, the sound pick-up module is also provided with a noise reduction module, the noise reduction module adopts a noise reduction layer to reduce the sound pick-up module, and reduces external noise through the noise reduction module, the Canon single-lens reflex module is also provided with a light supplementing module, the light supplementing module adopts an LED lighting device, and the light supplementing module is electrically connected with the Canon single-lens reflex module, so that light supplementing can be performed during shooting, and the problem of poor shooting effect caused by over-poor light is avoided;
the sound pickup module is also provided with a sound sensor, the sound sensor is used for receiving sound waves and displaying vibration images of sound, a capacitance type electret microphone sensitive to sound is arranged in the sound sensor, the sound waves enable an electret film in the microphone to vibrate, so that capacitance changes are caused, and small voltage which changes correspondingly to the capacitance changes is generated. The voltage is then converted into 0-5V voltage, the voltage is received by a data acquisition unit through A/D conversion and is transmitted to a computer, the sound pickup module is also provided with a sound sensor, the sound sensor is used for receiving sound waves and displaying vibration images of sound, the sound sensor is internally provided with a capacitor electret microphone sensitive to sound, and the sound waves vibrate an electret film in the microphone to cause the change of capacitance so as to generate a tiny voltage corresponding to the change. The voltage is converted into 0-5V voltage, the voltage is received by the data acquisition unit through A/D conversion and is transmitted to the computer, the sound sensor can monitor the sound, so that the sound can be adjusted at any time, the recording effect is ensured, the video recording is realized based on the single-reflex device, and the quality of the content acquired by the single-reflex device cannot be guaranteed due to the factors such as the resolution, the use place and hardware of the traditional device, so the technical content quality of the single-reflex device replacing the traditional device is better, the plug and play of the traditional device is different from the plug and play of the traditional device, and the operation and use are more complicated.
In summary, the audio/video synthesis system based on Canon single reflex and microphone obtains the current single reflex device picture through the Canon SDK development kit, obtains the sound information in the current environment through the sound pickup, loads the sound information and the single frame picture into the video stream in sequence based on the device single frame picture and the sound information, each frame in the stream corresponds to a section of sound information, sets the starting and ending position of the video stream, completes the whole section of content synthesis, and realizes video recording, because the resolution ratio, the using place, the hardware and other factors of the traditional device cause the obtained content quality to be unable to be guaranteed, the technical content quality using the single reflex device to replace the traditional device is better, different from the plug and play of the traditional device, the operation and use of the single reflex is more complicated, therefore, the technical scheme solves the problem, the Canon single reflex module is also provided with a light supplement module, the light supplementing module adopts an LED illuminating device, can supplement light during shooting, avoids the problem of poor shooting effect caused by poor light, the pickup module is also provided with a noise reduction module, the noise reduction module adopts a noise reduction layer to reduce noise of the pickup module, and reduces external noise through the noise reduction module, thereby avoiding the influence of external sound during recording, keeping the recording quality, the sound sensor is used for receiving sound waves and displaying vibration images of sound, the sound sensor is internally provided with a capacitance electret microphone sensitive to sound, the sound waves make an electret film in the microphone vibrate to cause the change of capacitance, and generate a tiny voltage which changes correspondingly, the voltage is converted into a voltage of 0-5V, the voltage is received by a data acquisition unit through A/D conversion and is transmitted to a computer, and the sound sensor can monitor the sound, therefore, the sound can be adjusted at any time, and the recording effect is ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An audio and video synthesis system based on Canon single reflex and a microphone comprises a Canon single reflex module, an SDK development package module, a single-frame picture module, a video stream module, a video file module, a sound pick-up module, an audio information module and a synthesis stream module, it is characterized in that the output end of the Canon single-reflex module is electrically connected with an SDK development package module, the output end of the SDK development package module is electrically connected with a single-frame picture module, the output end of the SDK development package module is electrically connected with the single-frame picture module, the output end of the single-frame picture module is electrically connected with a video stream module, the output end of the video stream module is electrically connected with a video file module, the output electric connection of adapter module has the audio information module, the output electric connection of audio information module has the video stream module, the video stream module is the video file module with synthetic stream module output.
2. The audio-video synthesis system based on Canon single reflex and microphone according to claim 1, wherein: and the SDK development package module is used for acquiring the current single-reflex equipment picture.
3. The audio-video synthesis system based on Canon single reflex and microphone according to claim 1, wherein: the sound pickup module is used for acquiring sound information in the current environment.
4. The audio-video synthesis system based on Canon single reflex and microphone according to claim 1, wherein: the single-frame image module and the audio information module sequentially load the sound information and the single-frame image into the video stream according to the sequence, each frame in the stream corresponds to a section of sound information, the initial end position of the video stream is set, and the synthesis of the whole section of content is completed.
5. The audio-video synthesis system based on Canon single reflex and microphone according to claim 5, wherein: the Canon single-lens reflex module is electrically connected with the pickup module in parallel.
6. The audio-video synthesis system based on Canon single reflex and microphone according to claim 5, wherein: the Canon single-reflex module, the SDK development package module, the single-frame picture module, the video stream module and the video file module are all electrically connected in series.
7. The audio-video synthesis system based on Canon single reflex and microphone according to claim 1, wherein: the adapter module still is provided with the module of making an uproar of falling, the module of making an uproar of falling adopts the layer of making an uproar to fall and makes an uproar to the adapter module.
8. The audio-video synthesis system based on Canon single reflex and microphone according to claim 1, wherein: the Canon single-reflection module is further provided with a light supplementing module, the light supplementing module adopts an LED illuminating device, and the light supplementing module is electrically connected with the Canon single-reflection module.
9. The audio-video synthesis system based on Canon single reflex and microphone according to claim 1, wherein: the sound pickup module is also provided with a sound sensor which is used for receiving sound waves and displaying vibration images of the sound, a capacitance type electret microphone sensitive to the sound is arranged in the sound sensor, the sound waves enable an electret film in the microphone to vibrate to cause the change of capacitance, and micro voltage which changes correspondingly is generated, and the voltage is converted into 0-5V voltage, is received by the data acquisition unit through A/D conversion and is transmitted to the computer.
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| CN201911272194.XA CN110944121A (en) | 2019-12-12 | 2019-12-12 | Audio and video synthesis system based on Canon single reflex and microphone |
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| CN104182325A (en) * | 2014-09-04 | 2014-12-03 | 浪潮电子信息产业股份有限公司 | Method for detecting server environment sound vibration |
| CN108353150A (en) * | 2015-12-01 | 2018-07-31 | 高通股份有限公司 | Electronic device for generating video data |
| CN208227243U (en) * | 2018-04-26 | 2018-12-11 | 宁波奥创电子科技有限公司 | Miniature photography pickup microphone |
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2019
- 2019-12-12 CN CN201911272194.XA patent/CN110944121A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050042591A1 (en) * | 2002-11-01 | 2005-02-24 | Bloom Phillip Jeffrey | Methods and apparatus for use in sound replacement with automatic synchronization to images |
| CN102073208A (en) * | 2009-11-23 | 2011-05-25 | 奥林巴斯映像株式会社 | Photographic device and photographic device system |
| CN104182325A (en) * | 2014-09-04 | 2014-12-03 | 浪潮电子信息产业股份有限公司 | Method for detecting server environment sound vibration |
| CN108353150A (en) * | 2015-12-01 | 2018-07-31 | 高通股份有限公司 | Electronic device for generating video data |
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Application publication date: 20200331 |