CN204697216U - Video capture device - Google Patents
Video capture device Download PDFInfo
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- CN204697216U CN204697216U CN201520460995.XU CN201520460995U CN204697216U CN 204697216 U CN204697216 U CN 204697216U CN 201520460995 U CN201520460995 U CN 201520460995U CN 204697216 U CN204697216 U CN 204697216U
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Abstract
The utility model discloses a kind of video capture device, this video capture device comprises housing, processing unit, the first video input interface and Data Format Transform unit, this first video input interface is HD video input interface, Data Format Transform unit is connected with the described processing unit signal of telecommunication, Data Format Transform is carried out, with the type making the data format of the data after via described processing unit processes be adapted to the data output interface of described video capture device for via the data after described processing unit processes.The video format conversion of applicable HD video input interface input can be the video format that other interface types export by video capture device of the present utility model, can be connected to make this video capture device with the external equipment of different interface type.By this, user is very convenient to use.
Description
Technical field
The utility model relates to audio and video frequency signal process field, particularly a kind of video capture device.
Background technology
Along with the fast development of electronics technology technology, create various electronic product, different electronic products may have different input/output interfaces, such as, USB interface, HDMI (High Definition Multimedia Interface, HDMI (High Definition Multimedia Interface)) and VGA(Video Graphics Array) interface etc.
Video capture device, such as DV video camera, TV box use electronic product more widely at present.Along with the development of science and technology, present most video capture device has a HDMI, can be connected by this HDMI with high-clear display.But this HDMI can only be connected with the high-clear display with same-interface type, and can not be connected with the display of other different interface types, like this concerning user, use very inconvenient.
Utility model content
The purpose of this utility model is the technical problem that only can be connected with the display of same-interface type solving video capture device of the prior art, and provides a kind of video capture device that can be connected with the external equipment of different interface type.
The utility model provides a kind of video capture device, comprising:
Housing;
Processing unit, it is arranged in described housing for processing the data inputing to described video capture device;
First video input interface, described first video input interface is HD video input interface, and its setting is connected with the described processing unit signal of telecommunication on the housing, inputs to described processing unit for the first vision signal via described HD video input interface; And
Data Format Transform unit, it is connected with the described processing unit signal of telecommunication, Data Format Transform is carried out, with the type making the data format of the data after via described processing unit processes be adapted to the data output interface of described video capture device for via the data after described processing unit processes.
Described video capture device, described first video input interface is multiple, to input multichannel first vision signal to described video capture device, signal selection module is provided with further between described multiple first video input interface and described processing unit, described signal selection module comprises and described multiple HD video input interfaces first input end one to one, multichannel first vision signal of described multiple HD video input interface input is input to described signal selection module via first input end corresponding thereto respectively, described signal selection module is used for carrying out selectivity output to described multichannel first vision signal of input under the effect of control command.
Described video capture device, described video capture device comprises HD video output interface, described signal selection module comprises first output corresponding with described HD video output interface further, described first output is connected with the described HD video output interface signal of telecommunication, and the data exported from the first output of described signal selection module output to outside described video capture device via described HD video output interface.
Described video capture device, described signal selection module comprises the second output further, and the video data that described second output is connected with the described processing unit signal of telecommunication to make to enter described signal selection module is input to described processing unit via described second output and processes.
Described video capture device, described video capture device also comprises the second video input interface, described second video input interface is used for external image capturing apparatus or video source, and described second video input interface is connected to make described processing unit to gather external Image intake device image data with the described processing unit signal of telecommunication or the vision signal that video source exports process.
Described video capture device, described second video input interface is connected with the described processing unit signal of telecommunication via described signal selection module.
Described video capture device, described data output interface comprises at least one in USB interface, USB interface and HDMI.
Described video capture device, described video capture device also comprises audio input interface, described audio input interface is connected with the described processing unit signal of telecommunication and is used for carrying audio signal to described processing unit, described processing unit comprises audio frequency and video synthesis module, and described audio frequency and video synthesis module is used for carrying out synthesis process to the vision signal be input in described processing unit and audio signal under the effect of control command.
Described video capture device, described audio frequency and video synthesis module also comprises noise reduction module, be input in described processing unit for carry out audio frequency and video synthesis vision signal in containing audio signal time, described noise reduction module is used for eliminating the audio signal in described vision signal according to control command.
Described video capture device, the MFI authentication module that described video capture device also comprises lightning interface and is connected with lightning interface electric signals; Described MFI authentication module comprises ios device certificate of certification, for realizing the communication between described video capture device and ios device based on MFI authentication protocol; Described ios device is connected with the described processing unit signal of telecommunication by described lightning interface, and described processing unit processes rear output to from the video data of lightning interface or voice data.
Compared with prior art, the utility model has following beneficial effect:
Data after processing unit processes are carried out Data Format Transform by setting data format conversion unit in housing by video capture device of the present utility model, and the data that this processing unit is exported can the type of data output interface of adaptive video collecting device.This video capture device self just can carry out the conversion of data format, and be connected with the external equipment of other dissimilar interfaces, user is very convenient to use.
Accompanying drawing explanation
Fig. 1 is the block diagram of the utility model video capture device one embodiment.
Fig. 2 is the block diagram of another embodiment of the utility model video capture device.
Embodiment
In order to further illustrate principle of the present utility model and structure, now by reference to the accompanying drawings preferred embodiment of the present utility model is described in detail.
Please refer to Fig. 1, it is the block diagram of the utility model video capture device one embodiment.This video capture device 10 comprises housing (not shown), processing unit 11, first video input interface 12, data output interface 13 and Data Format Transform unit 14.
This processing unit 11 is arranged in housing for processing the data inputing to video capture device 10, it can be FPGA (Field-Programmable Gate Array, field programmable gate array) processing unit, DSP (digital signal processing, digital signal processor) processing unit or single-chip microcomputer.
First video input interface 12 is HD video input interface, and it to be arranged on housing and to be connected with processing unit 11 signal of telecommunication, inputs to processing unit 11 for the first vision signal via HD video input interface.This HD video input interface can be HDMI (High Definition Multimedia Interface, HDMI (High Definition Multimedia Interface)).
Data Format Transform unit 14 is connected with processing unit 11 signal of telecommunication, carry out Data Format Transform for via the data after processing unit 11 process, make the data format of the data after processing via Data Format Transform unit 14 be adapted to the type of the data output interface 13 of video capture device 10.
Data output interface 13 is arranged on housing, and this data output interface comprises at least one in USB interface, USB interface and HDMI.As shown in Figure 1, data output interface 13 and processing unit 11 are electrically connected, or data output interface 13 is electrically connected with Data Format Transform unit 14.When data output interface 13 is electrically connected with processing unit 11, data after processing unit 11 processes send Data Format Transform unit 14 to, return to processing unit 11 after Data Format Transform unit 14 carries out format conversion, processing unit 11 is exported by data output interface 13; When data output interface 13 is electrically connected with Data Format Transform unit 14, the data after processing unit 11 processes send Data Format Transform unit 14 to, and Data Format Transform unit 14 is exported by data output interface 13.
This video capture device carries out Data Format Transform by the data after processing unit 11 processes by setting data format conversion unit 14 in housing, and the data that this processing unit 11 is exported can the type of data output interface 13 of adaptive video collecting device 10.Such as, this data output interface is USB interface, then the vision signal that HD video input interface inputs is converted to the vision signal of the forms such as RM, RMVB, FLV, DVD, MP4 to be suitable for USB interface output by this Data Format Transform unit 14.
The vision signal of HD video input interface can be converted to the video format that other interface types applicable export by this video capture device, and this video capture device can be connected with the external equipment of other different interface types.
As shown in Figure 2, further, above-mentioned first video input interface 12 is multiple, inputs multichannel first vision signal for video capture device 10.
Signal selection module 15 is provided with further between multiple first video input interface 12 and processing unit 11.Signal selection module 15 comprises and multiple HD video input interfaces 12 first input end one to one.Multichannel first vision signal that the plurality of HD video input interface 12 inputs is input to signal selection module 15 via first input end corresponding thereto respectively.This signal selection module 15 is MUX, and such as, 8 select 2 data selectors, and 16 select 2 data selectors.
Signal selection module 15 at least comprises the first output and the second output.Video capture device 10 also comprises HD video output interface 16, it can be HDMI, and be connected with the first output signal of telecommunication of signal selection module 15, the data exported from the first output of signal selection module 15 to be outputted to via this HD video output interface 16 on television set outside video capture device 10 or display and shows.This signal selection module 15, when the control command that processing unit 11 sends, carries out selectivity output to multichannel first vision signal of input.
In the present embodiment, this video capture device 10 comprises a HD video output interface 16, but is not limited to this, and this video capture device can comprise multiple HD video output interface 16 to realize the function of hub.
Second output of this signal selection module 15 is connected to make entering signal select the video data of module 15 to be input to processing unit 11 via the second output and processes with processing unit 11 signal of telecommunication.
Further, this video capture device 10 also comprises the second video input interface 17, for external image capturing apparatus or video source.This second video input interface 17 to be connected to make processing unit 11 to gather external Image intake device via signal selection module 15 image data with processing unit 11 signal of telecommunication or the vision signal that video source exports process.Second video input interface 17 can be USB interface.
Video capture device 10 also comprises audio input interface 18, it is connected with processing unit 11 signal of telecommunication, video capture device 10 is connected with exterior broadcaster or phonographic recorder by audio input interface 18, and by this audio input interface 18, the audio signal that player or phonographic recorder are play is carried to processing unit 11.This phonographic recorder can be microphone or microphone, and this player can be MP3, MP4 or cell phone.
This processing unit 11 comprises audio frequency and video synthesis module and noise reduction module, and this audio frequency and video synthesis module is used for carrying out synthesis process to the vision signal be input in processing unit 11 and audio signal under the effect of control command.Concrete: on the housing of this video capture device 10, correspondence is provided with audio frequency and video synthesis control button, this control button is connected with processing unit 11 signal of telecommunication, when this control button is triggered, control command is sent to processing unit 11, processing unit 11 responds this control command, and to the vision signal inputted by the first video input interface 12 and/or the second video input interface 17 with synthesized by this audio input interface 18 input audio signal.
When be input in processing unit 11 for carry out audio frequency and video synthesis vision signal in containing audio signal time, this noise reduction module is eliminated the audio signal in vision signal according to control command.To synthesize new audio signal in original vision signal.Concrete, the housing of this video capture device 10 is provided with mute button, this mute button is connected with processing unit 11 signal of telecommunication, when this mute button is triggered, control command is sent to processing unit 11, processing unit 11 responds this control command, and eliminates the audio signal in the vision signal inputted by the first video input interface 12 and/or the second video input interface 17.
Further, above-mentioned audio frequency and video synthesis control button and mute button have preset multiple triggering mode, a processing mode that each triggering mode is all corresponding.Such as, these audio frequency and video synthesis control button is protrude the button be arranged on housing, and triggered by the form of pressing, accordingly, the triggering mode preset can be the compression number of these audio frequency and video synthesis control button, after audio frequency and video synthesis control button is depressed by the user, the compression number current according to these audio frequency and video synthesis control button is generated and synthesizes control command accordingly.Such as, when these audio frequency and video synthesis control button presses one time, its control command generated is the order that the vision signal that inputs the first video input interface 12 and the audio signal that inputs of audio input interface 18 are synthesized, then the audio signal that the vision signal that inputs the first video input interface 12 of this processing unit 11 and audio input interface 18 input is synthesized.Again such as, when these audio frequency and video synthesis control button pressing secondary, its control command generated is the order that the vision signal that inputs the second video input interface 13 and the audio signal that inputs of audio input interface 18 are synthesized, then the audio signal that the vision signal that inputs the second video input interface 13 of this processing unit 11 and audio input interface 18 input is synthesized.In like manner, mute button selects the vision signal to corresponding video input interface inputs to carry out noise reduction in this way.
In addition, these audio frequency and video synthesis control button and mute button may also be the driver plate be arranged on housing, audio frequency and video synthesis control button on housing and mute button are stirred a predeterminated position i.e. correspondence one triggering mode preset by user, and user realizes the switching of Different treatments by stirring driver plate.
In addition, be arranged on audio frequency and video synthesis control button on housing and mute button may also be other some set-up modes, do not enumerate one by one at this.
In addition, this processing unit 11 also has audio effect processing module, this audio effect processing module can carry out audio effect processing to the audio signal that audio input interface 18 inputs, and this audio effect processing comprises and carries out electroacoustic, echo, process around audios such as, the change of voice, modified tone, chorus, reverberation, time delay or equilibriums to audio signal.
Superpose with vision signal again after the audio signal that this processing unit 11 pairs of audio input interfaces 18 input carries out audio effect processing and export.
Further, this video capture device 10 MFI authentication module 20 of also comprising lightning interface 19 and being connected with lightning interface electric signals.This lightning interface 19 is arranged on housing, and this MFI authentication module 20 is placed in housing.
Ios device (such as, ipone or ipad) is connected with processing unit 11 signal of telecommunication by lightning interface 19.MFI authentication module comprises ios device certificate of certification, for realizing the communication between video capture device 10 and ios device based on MFI authentication protocol.When receiving from the video data of lightning interface 19 or voice data, MFI authentication module 20 sends heartbeat data by lightning interface 19 to ios device, after ios device certification is passed through, this video capture device 10 can to carry out the transmission of video data or voice data with ios device with larger bandwidth.This processing unit 11 processes rear output to from the video data of lightning interface 11 or voice data.
In addition, this video capture device 10 also can comprise audio output interface 21, and it to be arranged on housing and to be connected with processing unit 11 signal of telecommunication, for the output of audio signal.This audio output interface 21 comprises RCE interface, 3.5 millimeters of audio interface and/or USB interface.
When above-mentioned lightning interface 19, audio input interface 18 and the first video input interface 12(or the second video input interface 17) simultaneously input data time, namely when above-mentioned lightning interface 19 input music signal, audio input interface 18 inputs human voice signal and the first video input interface 12(or the second video input interface 17) incoming video signal time, processing unit 11 pairs of vision signals are carried out noise reduction, are carried out audio effect processing to human voice signal, and the voice after audio effect processing, musical sound are superposed with vision signal and export.
Processing unit 11 of the present utility model utilizes time division multiplexing or other host-host protocol to upload voice data and video data simultaneously.Especially when this voice data comes from microphone (i.e. microphone), the data that this microphone gathers input through the audio input interface of this video capture device, such as time-multiplexed algorithm is adopted to upload from the sound of microphone input and the vision signal of input, In the view of user, both are synchronized upload, namely postpone extremely low, achieve sound and draw synchronism output.
These are only better possible embodiments of the present utility model, and unrestricted protection range of the present utility model, all utilization the utility model specifications and the change of the equivalent structure done by accompanying drawing content, be all included in protection range of the present utility model.
Claims (10)
1. a video capture device, it has data output interface, it is characterized in that, comprising:
Housing;
Processing unit, it is arranged in described housing for processing the data inputing to described video capture device;
First video input interface, described first video input interface is HD video input interface, and its setting is connected with the described processing unit signal of telecommunication on the housing, inputs to described processing unit for the first vision signal via described HD video input interface; And
Data Format Transform unit, it is connected with the described processing unit signal of telecommunication, Data Format Transform is carried out, with the type making the data format of the data after via described processing unit processes be adapted to the data output interface of described video capture device for via the data after described processing unit processes.
2. video capture device according to claim 1, it is characterized in that, described first video input interface is multiple, to input multichannel first vision signal to described video capture device, signal selection module is provided with further between described multiple first video input interface and described processing unit, described signal selection module comprises and described multiple HD video input interfaces first input end one to one, multichannel first vision signal of described multiple HD video input interface input is input to described signal selection module via first input end corresponding thereto respectively, described signal selection module is used for carrying out selectivity output to described multichannel first vision signal of input under the effect of control command.
3. video capture device according to claim 2, it is characterized in that, described video capture device comprises HD video output interface, described signal selection module comprises first output corresponding with described HD video output interface further, described first output is connected with the described HD video output interface signal of telecommunication, and the data exported from the first output of described signal selection module output to outside described video capture device via described HD video output interface.
4. video capture device according to claim 2, it is characterized in that, described signal selection module comprises the second output further, and the video data that described second output is connected with the described processing unit signal of telecommunication to make to enter described signal selection module is input to described processing unit via described second output and processes.
5. video capture device according to claim 2, it is characterized in that, described video capture device also comprises the second video input interface, described second video input interface is used for external image capturing apparatus or video source, and described second video input interface is connected to make described processing unit to gather external Image intake device image data with the described processing unit signal of telecommunication or the vision signal that video source exports process.
6. video capture device according to claim 5, is characterized in that, described second video input interface is connected with the described processing unit signal of telecommunication via described signal selection module.
7. the video capture device according to any one of claim 1 to 6, is characterized in that, described data output interface comprises at least one in USB interface, USB interface and HDMI.
8. video capture device according to claim 7, it is characterized in that, described video capture device also comprises audio input interface, described audio input interface is connected with the described processing unit signal of telecommunication and is used for carrying audio signal to described processing unit, described processing unit comprises audio frequency and video synthesis module, and described audio frequency and video synthesis module is used for carrying out synthesis process to the vision signal be input in described processing unit and audio signal under the effect of control command.
9. video capture device according to claim 8, it is characterized in that, described audio frequency and video synthesis module also comprises noise reduction module, be input in described processing unit for carry out audio frequency and video synthesis vision signal in containing audio signal time, described noise reduction module is used for eliminating the audio signal in described vision signal according to control command.
10. video capture device according to claim 1, is characterized in that, the MFI authentication module that described video capture device also comprises lightning interface and is connected with lightning interface electric signals; Described MFI authentication module comprises ios device certificate of certification, for realizing the communication between described video capture device and ios device based on MFI authentication protocol; Described ios device is connected with the described processing unit signal of telecommunication by described lightning interface, and described processing unit processes rear output to from the video data of lightning interface or voice data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520460995.XU CN204697216U (en) | 2015-06-30 | 2015-06-30 | Video capture device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520460995.XU CN204697216U (en) | 2015-06-30 | 2015-06-30 | Video capture device |
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| CN204697216U true CN204697216U (en) | 2015-10-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110209371A (en) * | 2019-05-16 | 2019-09-06 | 广州视源电子科技股份有限公司 | A kind of audio compatible circuit and video and audio equipment |
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2015
- 2015-06-30 CN CN201520460995.XU patent/CN204697216U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110209371A (en) * | 2019-05-16 | 2019-09-06 | 广州视源电子科技股份有限公司 | A kind of audio compatible circuit and video and audio equipment |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20210630 |