CN110730312A - Video source signal switching system and device - Google Patents
Video source signal switching system and device Download PDFInfo
- Publication number
- CN110730312A CN110730312A CN201911017949.1A CN201911017949A CN110730312A CN 110730312 A CN110730312 A CN 110730312A CN 201911017949 A CN201911017949 A CN 201911017949A CN 110730312 A CN110730312 A CN 110730312A
- Authority
- CN
- China
- Prior art keywords
- video
- switching
- switching system
- signal
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 230000007547 defect Effects 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000012905 input function Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
Classifications
-
- 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
- H04N5/268—Signal distribution or switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention is suitable for the field of file conversion, and provides a video source signal conversion system, which comprises a storage device, a switching system and a display terminal; the storage device is used for storing a source video file and sending the source video file to the switching system; and the switching system is used for converting the format of the video input by the storage equipment and sending the video to the display terminal. The system can realize the switching of various video input signals and realize the output of unified signals. Therefore, the signal input of various video signal sources is met, the defect that the switcher is single in the input video signal source is overcome, the input signal sources are diversified, and the use is more convenient.
Description
Technical Field
The invention belongs to the field of file switching, and particularly relates to a video source signal switching system and device.
Background
The video switcher is designed for switching of special composite video signals, and can switch one path of video signals to be output to the display equipment. The video adopts a standard BNC interface. It is very suitable for new or existing A/V system meeting room, home theater, control center, exhibition hall, audio-visual teaching, monitoring room, etc.
At present, the types of the switches on the market are various, and 2 is cut into 1, 3 is cut into 1, and the like. The video signal input type of the switch controller in the market is a fixed one, and there are HDMI switcher, VGA switcher, DVI switcher, etc. to realize the switching function of the signal.
However, the existing video signal input interface is single in type, and cannot realize multiple video signal input functions of one product.
Disclosure of Invention
The embodiment of the invention aims to provide a video source signal switching system, and aims to solve the problems that the existing video signal input interface is single in type and can not realize multiple video signal input functions of one product.
The embodiment of the invention is realized in such a way that a video source signal switching system comprises a storage device, a switching system and a display terminal;
the storage device is used for storing a source video file and sending the source video file to the switching system;
and the switching system is used for converting the format of the video input by the storage equipment and sending the video to the display terminal.
Another objective of an embodiment of the present invention is to provide a video source signal switching apparatus, including:
the switching unit is used for converting the format of the input video and outputting the converted video;
and the power supply unit is used for providing power for the electric components in the switching unit.
The video source signal switching system provided by the embodiment of the invention can realize switching of various video input signals and realize uniform signal output. Therefore, the signal input of various video signal sources is met, the defect that the switcher is single in the input video signal source is overcome, the input signal sources are diversified, and the use is more convenient.
Drawings
FIG. 1 is a diagram of an application environment of a video source signal switching system according to an embodiment of the present invention;
FIG. 2 is a flow chart of a video source signal switching system according to an embodiment of the present invention;
FIG. 3 is a timing diagram of a video source signal switching system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms unless otherwise specified. These terms are only used to distinguish one element from another.
Fig. 1 is a diagram of an application environment of a video source signal switching system according to an embodiment of the present invention, as shown in fig. 1, in the application environment, a video storage device 110 and a display terminal 120 are included.
The display terminal 120 may be an independent physical display or terminal, or may be a display cluster formed by a plurality of physical displays, and may be a basic display device such as a computer display screen, a smart watch screen, a mobile phone display screen, and a tablet computer.
As shown in fig. 2, in an embodiment, a video source signal switching system is provided, and this embodiment is mainly illustrated by applying the system to the storage device 110 (or the display terminal 120) in fig. 1. In addition, as shown in fig. 3, a timing chart related to the system shown in fig. 2 is also provided, a video source signal switching system includes a storage device 110, a switching system 130 and a display terminal 120;
the storage device 110 is configured to store a source video file and send the source video file to the switching system 130;
the switching system 130 is configured to perform format conversion on the video input by the storage device 110 and send the video to the display terminal 120.
In an embodiment of the present invention, the display terminal 120 receives the video signal output by the switching system 130 in a wired or wireless manner.
In an embodiment of the present invention, referring to fig. 1, a switching control device is further disposed on the switching system 130, and the switching control device is configured to perform signal type resolution and/or conversion control on the video signal input to the switching system 130.
In an embodiment of the present invention, at least two input interfaces are disposed on the switching control device, wherein the video signal types of the input interfaces that can be docked include, but are not limited to, video signal types receivable by other types of interfaces such as an HDMI interface (high definition multimedia interface), a DP/MiNiDP interface (high definition digital display interface), a TYPEC interface (charging, data transmission, display output interface), a VGA interface (video graphics array interface), and a DVI interface (digital video interface).
In an embodiment of the present invention, the resolution and/or switching control of the switching control device includes:
distinguishing the video types, and judging whether the video signal types are matched with the switching system 130, specifically;
when the video signal type received by the input interface is not suitable for the type required by the switching system 130, the switching control device switches the type of the video signal;
when the video signal type received by the input interface is matched with the type required by the switching system 130, the video signal is directly output to the switching system 130.
In an embodiment of the present invention, the switching control device is provided with a signal control conversion chip inside, and is used for switching the category of the video signal when the category of the video signal received by the input interface is not suitable for the category required by the switching system 130;
by way of example in detail below, the following,
the switching system 130 is adapted to the signal input by the HDMI interface;
when the input interface receives a video signal matched with the HDMI interface, the signal control conversion chip directly outputs the original HDMI interface signal to the switching system 130 without conversion, the output HDMI interface signal can be of HDMI1.4 version or HDMI2.0 version, and HDMI1.4 realizes 4K × 2K 30HZ resolution; HDMI2.0 implements 4K × 2K60HZ resolution (resolution).
When the input interface receives a video signal matched with the DP/MiNiDP interface, the signal control conversion chip converts the video signal matched with the DP/MiNiDP interface into a signal matched with the HDMI interface, wherein the model of the signal control conversion chip comprises PS171, PS176, IT6561, IT6563 and the like, which are also called DP conversion chips;
when the input interface receives a video signal matched with the TYPEC interface, the signal control conversion chip converts the video signal matched with the TYPEC interface into a signal matched with the HDMI interface, wherein the model of the signal control conversion chip comprises RTD2171, IT6221, RTD2172 and the like, also called as TYPEC conversion chip, and can also be realized by adopting a CC control chip and a DP conversion chip of TYPEC.
In an embodiment of the present invention, the switching system 130 is provided with switching controller chips, including chips of IT6635, IT66351, IT66354, TS3DV642, and the like.
In one embodiment of the present invention, the switching control device is a microcontroller, and the microcontroller automatically switches signals of different interface adaptation signal types.
In an embodiment of the present invention, the switching control device is a key-type device, and signal switching of different interface adaptation signal types is performed through a key.
In an embodiment of the present invention, the switching system 130 is further provided with an upgrade interface, which is used for performing upgrade update on the switching system 130 and the microcontroller by interfacing with an upgrade program.
In one embodiment of the invention, the upgrade interface is a USB3.0 or USB2.0 interface.
In one embodiment, a video source signal switching apparatus, the apparatus comprising:
the switching unit is used for converting the format of the input video and outputting the converted video;
and the power supply unit is used for providing power for the electric components in the switching unit.
In one embodiment, the video source signal switching apparatus further comprises a housing for mounting the switching unit and the power supply unit.
In an embodiment of the present invention, the switching unit is provided with at least one receiving device for receiving a video source through a network or bluetooth, wired or wireless.
In one embodiment of the present invention, the receiving device is an input interface, and the number of the input interfaces can be flexibly changed according to actual needs, wherein,
when the number of the input interfaces is three interfaces with different adaptation types, the video source signal switching device is a three-to-one multi-class video source switching device, and the three interfaces with different adaptation types can be freely combined;
when the number of the input interfaces is two interfaces with different adaptation types, the video source signal switching device is a two-to-one multi-class video source switching device;
when the number of the input interfaces is four interfaces with different adaptation types, the video source signal switching device is a four-to-one multi-class video source switching device;
similarly, when the number of the input interfaces is N different adaptation type interfaces, the video source signal switching device is an N-to-one multi-class video source switching device.
The product can realize the switching of various video input signals and realize unified signal output. Therefore, the signal input of various video signal sources is met, the defect that the switcher is single in the input video signal source is overcome, the input signal sources are diversified, and the use is more convenient.
It should be understood that, although the steps in the flowcharts of the embodiments of the present invention are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in various embodiments may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A video source signal switching system is characterized by comprising a storage device, a switching system and a display terminal;
the storage device is used for storing a source video file and sending the source video file to the switching system;
and the switching system is used for converting the format of the video input by the storage equipment and sending the video to the display terminal.
2. The video source signal switching system of claim 1, wherein said display terminal receives the video signal outputted from the switching system in a wired or wireless manner.
3. The video source signal switching system according to claim 1, wherein a switching control device is further disposed on said switching system, and said switching control device is configured to perform signal type resolution and/or switching control on the video signal input to said switching system.
4. The video source signal switching system according to claim 3, wherein said switching control device is provided with at least two input interfaces.
5. The video source signal switching system according to claim 3, wherein said resolution and/or switching control of said switching control means comprises:
when the video signal type received by the input interface is not suitable for the type required by the switching system, the switching control device switches the type of the video signal;
when the video signal type received by the input interface is matched with the type required by the switching system, the video signal is directly output to the switching system.
6. The video source signal switching system according to claim 3, wherein said switching control device is embedded with a signal control conversion chip for switching the video signal type when the video signal type received by the input interface is not suitable for the type required by the switching system.
7. The video source signal switching system of claim 1, wherein a switching controller chip is disposed within said switching system.
8. The video source signal switching system according to claim 1, wherein an upgrade interface is provided on the switching system for upgrading and updating the switching system and the microcontroller by interfacing with an upgrade program.
9. A video source signal switching apparatus, comprising:
the switching unit is used for converting the format of the input video and outputting the converted video;
and the power supply unit is used for providing power for the electric components in the switching unit.
10. The system of claim 9, further comprising a housing for mounting the switching unit and the power supply unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911017949.1A CN110730312A (en) | 2019-10-24 | 2019-10-24 | Video source signal switching system and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911017949.1A CN110730312A (en) | 2019-10-24 | 2019-10-24 | Video source signal switching system and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110730312A true CN110730312A (en) | 2020-01-24 |
Family
ID=69223084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911017949.1A Pending CN110730312A (en) | 2019-10-24 | 2019-10-24 | Video source signal switching system and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110730312A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113038054A (en) * | 2021-03-04 | 2021-06-25 | 苏州科达科技股份有限公司 | Video link dynamic building method and device, electronic equipment and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201063723Y (en) * | 2007-06-04 | 2008-05-21 | 幸琳 | Central box for connecting signal source and play equipment |
| US20080168519A1 (en) * | 2007-01-05 | 2008-07-10 | Radiospire Networks, Inc. | System, method and apparatus for connecting multiple audio/video sources to an audio/video sink |
| CN205726099U (en) * | 2016-05-05 | 2016-11-23 | 深圳市汉普锐科技有限公司 | The video matrix system that a kind of multi-format video signal is switched fast |
| CN206283593U (en) * | 2016-12-20 | 2017-06-27 | 深圳市汉科电子股份有限公司 | One kind of multiple vision signals are changed and switching device |
-
2019
- 2019-10-24 CN CN201911017949.1A patent/CN110730312A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080168519A1 (en) * | 2007-01-05 | 2008-07-10 | Radiospire Networks, Inc. | System, method and apparatus for connecting multiple audio/video sources to an audio/video sink |
| CN201063723Y (en) * | 2007-06-04 | 2008-05-21 | 幸琳 | Central box for connecting signal source and play equipment |
| CN205726099U (en) * | 2016-05-05 | 2016-11-23 | 深圳市汉普锐科技有限公司 | The video matrix system that a kind of multi-format video signal is switched fast |
| CN206283593U (en) * | 2016-12-20 | 2017-06-27 | 深圳市汉科电子股份有限公司 | One kind of multiple vision signals are changed and switching device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113038054A (en) * | 2021-03-04 | 2021-06-25 | 苏州科达科技股份有限公司 | Video link dynamic building method and device, electronic equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10219031B2 (en) | Wireless video/audio signal transmitter/receiver | |
| US8971809B2 (en) | Dummy touch screen system for connecting a plurality of mobile terminals | |
| US10056027B2 (en) | Virtualized display output ports configuration | |
| CA2957799A1 (en) | Meeting room power and multimedia center device | |
| US11055052B2 (en) | Display apparatus forming wall display and controlling method thereof | |
| CN101689099A (en) | Be used to drive a plurality of touch panel devices and receive the system and method for data from it | |
| CN104903879A (en) | Flexible implementation of serial bus support over display interface | |
| US9639491B2 (en) | Connection interface switching device for multiple portable devices | |
| US12088955B2 (en) | Video display system | |
| KR20220106927A (en) | Display apparatus and the control method thereof | |
| KR20190078244A (en) | Electronic apparatus | |
| CN104883617A (en) | Multi-screen interaction system and method | |
| US10877914B2 (en) | Electronic apparatus device and control method including a host communicating with a plurality of connectors in a lump through a bus line | |
| CN110730312A (en) | Video source signal switching system and device | |
| CN202218353U (en) | System capable of detecting and visually displaying port states of IPTV terminal | |
| CN210629667U (en) | Video source signal switching system and device | |
| CN201063723Y (en) | Central box for connecting signal source and play equipment | |
| CN111711775A (en) | Clear demonstration switch of superelevation | |
| CN212086326U (en) | LED television controller and LED television | |
| CN104346308A (en) | Electronic device | |
| CN103220565A (en) | Digital television terminal matched with remote control device and used for textile workshop | |
| EP3179361A1 (en) | External display system and external display method therefor | |
| CN205792965U (en) | Switching device | |
| CN219370342U (en) | Intelligent interaction panel | |
| CN212572730U (en) | Clear demonstration switch of superelevation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |