CN206060954U - Video frequency collection card - Google Patents
Video frequency collection card Download PDFInfo
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- CN206060954U CN206060954U CN201621043251.9U CN201621043251U CN206060954U CN 206060954 U CN206060954 U CN 206060954U CN 201621043251 U CN201621043251 U CN 201621043251U CN 206060954 U CN206060954 U CN 206060954U
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- collection card
- frequency collection
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Abstract
The utility model discloses a kind of video frequency collection card, which includes video signal input interface, live equipment interface and video processing unit.The video processing unit is connected with the video signal input interface and the live equipment interface signal of telecommunication respectively, first video signal and first multi-media signal generate second video signal after the video processing unit carries out Signal averaging process, and second video signal is exported to the live equipment via the live equipment interface.Compared with prior art, the video frequency collection card can undertake the data processing function of the live equipment such as mobile phone of electric signal communication therewith, can mitigate the data process load of the live equipment such as mobile phone.
Description
Technical field
This utility model is related to a kind of video frequency collection card.
Background technology
Existing video frequency collection card recorded in use, typically to the video data of external device transmission or
Person enters row format conversion, is being transferred to main equipment afterwards, afterwards, the video data that main equipment is transmitted to video frequency collection card again
Data processing is carried out with the video data of itself, the data that can be used are formed afterwards.
The use process of above-mentioned existing video frequency collection card will not produce negative shadow on the main equipment of powerful, generally
Ring, but, when the relatively low main equipment collocation of existing video frequency collection card and performance configuration is used, for example, take with the equipment such as mobile phone
During with using, mobile phone needs to be processed use to the video signal that video frequency collection card is transmitted, and this has just substantially increased handss
The data process load of machine, not only seriously consumes the electricity of mobile phone, takes the limited hardware processing resources of live equipment such as mobile phone,
And process of the mobile phone on video data can also affect the operation of other softwares on mobile phone, for example, live software of mobile phone etc..
Utility model content
In view of this, there is provided a kind of video frequency collection card that mobile phone hardware resource consumption can be greatly reduced is actually necessary.
A kind of video frequency collection card, which includes：Video signal input interface, which is used for external video source device to receive first
Video signal；Live equipment interface, which is used for external live equipment, to receive the first multi-media signal of live equipment input,
And the second video signal after processing to the live equipment output；And video processing unit, which is believed with the video respectively
Number input interface and the connection of the live equipment interface signal of telecommunication, first video signal and first multi-media signal are through institute
State and after video processing unit carries out Signal averaging process, generate second video signal, second video signal is via described
Live equipment interface is exported to the live equipment.
Preferably, the video frequency collection card further includes flash memory element, the flash memory element with it is described
Video processing unit electric signal communication, first multi-media signal are stored in the flash memory element, at the video
Reason unit is read first multi-media signal from the flash memory element and it is carried out with first video signal
Signal averaging process, generates second video signal.
Preferably, the video frequency collection card is provided with storage device interface, at the storage device interface and the video
Reason unit electric signal communication, the storage device interface are used for the storage device of external second multi-media signal that is stored with, described
Video processing unit reads second multi-media signal and it is carried out Signal averaging process with first video signal, raw
Into second video signal.
Preferably, the video frequency collection card is built-in with memory module, the memory module and video processing unit electricity
Signal communication, the storage device are used to store the second multi-media signal, and the video processing unit reads the matchmaker more than second
It and first video signal are simultaneously carried out Signal averaging process by body signal, generate second video signal.
Preferably, the video signal input interface is selected from HDMI, USB interface, DVI interface, VIDEO interfaces, USB
At least one in interface, the live equipment interface are handset port or PC computer interfaceJi Suanjijiekous.
Preferably, the video processing unit in FPGA processing units, DSP processing units or single-chip microcomputer at least one
Kind, which is used to carry out first video signal and the first multi-media signal Signal averaging process to generate second video
Signal.
Preferably, first multi-media signal is included in audio signal, video signal and rest image signal at least
It is a kind of.
Preferably, the video signal input interface is wireline interface or wave point.
Preferably, the video frequency collection card further includes audio input interface, the audio input interface
It is connected with the video processing unit signal of telecommunication, the audio input interface is used for external audio frequency source device to receive audio frequency
Signal, the audio input interface are wireline interface or wave point.
Preferably, the video frequency collection card has further included audio signal output interface, is input into the video acquisition
Audio signal in card can be exported to external equipment via the audio signal output interface, and the audio signal output interface is
Wireline interface or wave point.
Compared with prior art, designed by said structure and circuit signal so that it is above-mentioned that present embodiment is provided
Video frequency collection card：On the one hand, which can gather the first video signal of external video source device input and it is transferred to mobile phone
Etc. live equipment；On the other hand, its after the live equipment electric signal communications such as the live equipment interface and mobile phone, which can
To receive the first pending multi-media signal that the live equipment such as mobile phone are transmitted, receive in the video frequency collection card
To after first multi-media signal that the live device transmission such as mobile phone comes, which passes through the video processing unit will be from institute
The first video signal for stating video signal input interface input carries out Signal averaging process with first multi-media signal, generates
Can be used for the second live video signal, the second video signal is returned to into the signal of telecommunication again afterwards and is connected to the live equipment
The live equipment such as the mobile phone on interface, at this moment, the live equipment such as mobile phone directly can be made after receiving second video signal
With.That is, all of data handling procedure is moved to video by the above-mentioned video frequency collection card provided by present embodiment
Carry out in capture card, accepted the data processing work for being carried out by the live equipment such as mobile phone originally so that the live equipment such as mobile phone
That what is can be absorbed in carries out live task, so as to significantly reduce the data process load of the live equipment such as mobile phone, improves mobile phone
Etc. the live quality of live equipment.
Description of the drawings
The structural representation of the video frequency collection card that Fig. 1 is provided by this utility model embodiment.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is described in further detail to this utility model.It should be appreciated that specific embodiment described herein is only to explain
This utility model, is not used to limit this utility model.
Fig. 1 is referred to, the video frequency collection card 100 provided by this utility model embodiment, which includes that video signal is input into
Interface 10, live equipment interface 20 and video processing unit 30.
The video signal input interface 10 is used for foreign nationality's video source device to receive the first video signal.
In the present embodiment, the video signal input interface 10 can be wireline interface, or wave point.
Specifically, when the video signal input interface 10 is wireline interface, the video signal input interface can be selected from HDMI
At least one in interface, USB interface, DVI interface, VIDEO interfaces, USB interface.When the video signal input interface 10 is
During wave point, the video signal input interface 10 can be commonly used in this field wireless such as bluetooth module, WIFI module
Video signal transmission module.
The live equipment interface 20 is used for external live equipment, to receive the first multimedia letter of live equipment input
Number, and the second video signal after processing to the live equipment output.First multi-media signal can be audio signal,
At least one in video signal and rest image signal.
In the present embodiment, the live equipment interface 20 can be handset port or PC computer interfaceJi Suanjijiekous.Meanwhile,
The live equipment interface 20 can with wireline interface or wave point, the video frequency collection card 100 can be made by wired or
Person wirelessly carries out audio-video signal with live equipment and interacts.
The video processing unit 30 respectively with 20 signal of telecommunication of the video signal input interface 10 and live equipment interface
Connection, first video signal and first multi-media signal are carried out at Signal averaging through the video processing unit 30
Second video signal is generated after reason, second video signal is exported to described live via the live equipment interface 20
Equipment.In the present embodiment, the video processing unit 30 is in FPGA processing units, DSP processing units or single-chip microcomputer
At least one.
Designed by said structure and circuit signal so that the above-mentioned video frequency collection card 100 provided by present embodiment：One
Aspect, which can gather the first video signal of external video source device input and it is transferred to the live equipment such as mobile phone；Separately
On the one hand, its after the live equipment electric signal communications such as the live equipment interface 20 and mobile phone, which can receive mobile phone
Etc. the first pending multi-media signal that live equipment is transmitted, mobile phone etc. is received in the video frequency collection card 100
After first multi-media signal that live device transmission comes, which passes through the video processing unit 30 will be from the video
First video signal and first multi-media signal of the input of signal input interface 10 carries out Signal averaging process, and generation can be with
For the second live video signal, the second video signal is returned to into the signal of telecommunication again afterwards and is connected to the live equipment interface
The live equipment such as the mobile phone on 20, at this moment, the live equipment such as mobile phone directly can be used after receiving second video signal.
That is, all of data handling procedure is moved to video by the above-mentioned video frequency collection card 100 provided by present embodiment
Carry out in capture card, accepted the data processing work for being carried out by the live equipment such as mobile phone originally so that the live equipment such as mobile phone
That what is can be absorbed in carries out live task, so as to significantly reduce the data process load of the live equipment such as mobile phone, improves mobile phone
Etc. the live quality of live equipment.
In the present embodiment, it is contemplated that the generating date ability of the video frequency collection card 100, further, institute
State video frequency collection card 100 and be additionally provided with flash memory element 40, the flash memory element 40 and the video processing unit
30 electric signal communications, can be pre-stored within from first multi-media signal of the live equipment interface 20 input described
In flash memory element 40, afterwards, the video processing unit 30 reads described first from the flash memory element 40
It and first video signal are simultaneously carried out Signal averaging process by multi-media signal, generate second video signal.Pass through
Such mode, after the live equipment electric signal communication such as the video frequency collection card 100 and mobile phone, can allow mobile phone etc. live
First multi-media signal is first sent to the video frequency collection card 100 by equipment, and stores the flash memory element
In 40, afterwards, when live operation is carried out, the video frequency collection card 100 can read storage and arrive described according to control command
Which is carried out signal with first video signal of input and is folded by first multi-media signal in flash memory element 40
Plus process, to generate second video signal.Certainly, the control command can be sent by the live equipment such as mobile phone or
Video frequency collection card 100 carries what control was sent.
Alternatively, the function based on above-mentioned flash memory element 40, the video frequency collection card 100 can also be arranged
With the storage device interface (not shown) of 30 electric signal communication of the video processing unit, believed with external second multimedia that is stored with
Number storage device, as such, it is possible to make the video processing unit 30 read second multi-media signal and by it with it is described
First video signal carries out Signal averaging process, generates second video signal, carries out for the live equipment such as mobile phone live.
Alternatively, the video frequency collection card 100 can also be arranged and 30 electric signal communication of the video processing unit
Memory module (not shown), to store second multi-media signal, as such, it is possible to read the video processing unit 30
It and first video signal are simultaneously carried out Signal averaging process by second multi-media signal, generate the second video letter
Number, carry out for the live equipment such as mobile phone live.
Certainly, second multi-media signal can be in audio signal, video signal and rest image signal at least
It is a kind of.
Further, in the present embodiment, the video frequency collection card 100 can further include audio signal input
Interface 50, the audio input interface 50 are connected with 30 signal of telecommunication of the video processing unit, the audio signal input
Interface 50 is used for external audio frequency source device to receive audio signal.Alternatively, the audio input interface 50 can be with
It is wireline interface or wave point.
Further, in the present embodiment, the video frequency collection card 100 can also further include that audio signal is defeated
Outgoing interface 60, the audio signal being input into the video frequency collection card 100 can be exported via the audio signal output interface 60
To external equipment.Alternatively, the audio signal output interface 60 is wireline interface or wave point.
Compared with prior art, designed by said structure and circuit signal so that it is above-mentioned that present embodiment is provided
Video frequency collection card 100：On the one hand, which can gather the first video signal of external video source device input and it is transferred to handss
The live equipment such as machine；On the other hand, which is after the live equipment electric signal communications such as the live equipment interface 20 and mobile phone,
Which can receive the first pending multi-media signal that the live equipment such as mobile phone is transmitted, in the video frequency collection card
After 100 receive first multi-media signal that the live device transmission such as mobile phone comes, which is by the Video processing list
The first video signal being input into from the video signal input interface 10 is carried out signal with first multi-media signal by unit 30
Overlap-add procedure, generation can be used for the second live video signal, and the second video signal is returned to signal of telecommunication connection again afterwards
The live equipment such as the mobile phone on the live equipment interface 20, at this moment, the live equipment such as mobile phone receives second video
Directly can use after signal.That is, the above-mentioned video frequency collection card 100 provided by present embodiment, by all of data
Processing procedure is carried out in moving to video frequency collection card, has accepted the data processing work for being carried out by the live equipment such as mobile phone originally
Make so that what the live equipment such as mobile phone can be absorbed in carries out live task, so as to significantly reduce the number of the live equipment such as mobile phone
According to load is processed, the live quality of the live equipment such as mobile phone is improve.
The above, preferred embodiment only of the present utility model, is not intended to limit embodiment of the present utility model,
Those of ordinary skill in the art can very easily carry out corresponding accommodation according to central scope of the present utility model and spirit
Or modification, therefore protection domain of the present utility model should be defined by the protection domain required by claims.
Claims (10)
1. a kind of video frequency collection card, which includes：
Video signal input interface, which is used for external video source device to receive the first video signal；
Live equipment interface, which is used for external live equipment, to receive the first multi-media signal of live equipment input, and to institute
State the second video signal after live equipment output is processed；And
Video processing unit, which is connected with the video signal input interface and the live equipment interface signal of telecommunication respectively, and described
One video signal and first multi-media signal generate described after the video processing unit carries out Signal averaging process
Second video signal, second video signal are exported to the live equipment via the live equipment interface.
2. video frequency collection card as claimed in claim 1, it is characterised in that the video frequency collection card further includes that flash is deposited
Storage unit, the flash memory element and the video processing unit electric signal communication, first multi-media signal are stored in
The flash memory element, the video processing unit read first multi-media signal from the flash memory element
And it and first video signal are carried out into Signal averaging process, generate second video signal.
3. video frequency collection card as claimed in claim 1, it is characterised in that the video frequency collection card is provided with storage device and connects
Mouth, the storage device interface and the video processing unit electric signal communication, the storage device interface are used for external storage
Have a storage device of the second multi-media signal, the video processing unit read second multi-media signal and by it with it is described
First video signal carries out Signal averaging process, generates second video signal.
4. video frequency collection card as claimed in claim 1, it is characterised in that the video frequency collection card is built-in with memory module, institute
Memory module and the video processing unit electric signal communication are stated, the storage device is used to store the second multi-media signal, institute
State video processing unit to read second multi-media signal and it is carried out Signal averaging process with first video signal,
Generate second video signal.
5. video frequency collection card as claimed in claim 1, it is characterised in that the video signal input interface is connect selected from HDMI
At least one in mouth, USB interface, DVI interface, VIDEO interfaces, USB interface, the live equipment interface be handset port or
Person's PC computer interfaceJi Suanjijiekous.
6. video frequency collection card as claimed in claim 1, it is characterised in that the video processing unit processes single selected from FPGA
At least one in unit, DSP processing units or single-chip microcomputer, which is used to enter first video signal and the first multi-media signal
Row Signal averaging processes to generate second video signal.
7. video frequency collection card as claimed in claim 1, it is characterised in that first multi-media signal include audio signal,
At least one in video signal and rest image signal.
8. video frequency collection card as claimed in claim 1, it is characterised in that the video signal input interface be wireline interface or
Person's wave point.
9. video frequency collection card as claimed in claim 1, it is characterised in that the video frequency collection card further includes audio signal
Input interface, the audio input interface are connected with the video processing unit signal of telecommunication, and the audio signal input connects
For external audio frequency source device to receive audio signal, the audio input interface is wireline interface or wirelessly connects mouth
Mouthful.
10. the video frequency collection card as described in any one of claim 1 to 9, it is characterised in that the video frequency collection card is further wrapped
Audio signal output interface is included, the audio signal being input into the video frequency collection card can be connect via audio signal output
Mouth is exported to external equipment, and the audio signal output interface is wireline interface or wave point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621043251.9U CN206060954U (en) | 2016-09-08 | 2016-09-08 | Video frequency collection card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621043251.9U CN206060954U (en) | 2016-09-08 | 2016-09-08 | Video frequency collection card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206060954U true CN206060954U (en) | 2017-03-29 |
Family
ID=58371097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621043251.9U Active CN206060954U (en) | 2016-09-08 | 2016-09-08 | Video frequency collection card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206060954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266915A (en) * | 2019-06-25 | 2019-09-20 | 北京字节跳动网络技术有限公司 | The method and apparatus of video acquisition content are controlled in a kind of Android device |
-
2016
- 2016-09-08 CN CN201621043251.9U patent/CN206060954U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266915A (en) * | 2019-06-25 | 2019-09-20 | 北京字节跳动网络技术有限公司 | The method and apparatus of video acquisition content are controlled in a kind of Android device |
| CN110266915B (en) * | 2019-06-25 | 2022-03-11 | 北京字节跳动网络技术有限公司 | Method and device for controlling video acquisition content on android device |
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