CN212909765U - Multi-view 4K seamless demonstration switcher - Google Patents

Abstract

The utility model discloses a 4K seamless demonstration switch of multiview, including a plurality of HDMI input port, the HDMI input port is through the first digital signal processing module of a plurality of connection logic control module, and logic control module is through three route connection micro control module, and logic control module is through digital change over switch and micro control module both way junction, and logic control module is through second digital signal processing module connection micro control module, logic control module lug connection micro control module, micro control module and graphical user interface both way junction. The utility model discloses introduce little control module, carry out the input of control command through connecting USB, infrared module and button, handle the audio signal in audio signal and the HDMI video signal of input through logic control module, realize the audio mixing of audio frequency, inlay and untie, through FPGA clock generator and logic control module, customizable display window's overall arrangement and size.

Description

Multi-view 4K seamless demonstration switcher

Technical Field

The utility model relates to a switch technical field, more specifically say, relate to a 4K seamless demonstration switch of multiview.

Background

The picture splitter is also called a monitor picture splitter, usually adopts image compression and digital processing modes to compress several pictures on one screen according to the same proportion, is mostly used in closed circuit television monitoring systems in places such as large buildings and the like to realize panoramic monitoring, and usually adopts a switcher to switch and integrate a plurality of video pictures. The existing switcher has less functions, limited input and output channels, limited output window size and layout, and lack of flexibility for the independent processing of audio and video, which causes great inconvenience for users.

The above disadvantages need to be improved.

Disclosure of Invention

In order to overcome the deficiencies of the prior art, the utility model provides a 4K seamless demonstration switch of many views.

The utility model discloses technical scheme as follows:

the utility model provides a 4K seamless demonstration switch of multiview, includes a plurality of HDMI input port, the HDMI input port connects logic control module through the first digital signal processing module of a plurality of, logic control module connects little control module through three routes, logic control module through digital change over switch with little control module both way junction, logic control module connects through second digital signal processing module little control module, logic control module lug connection little control module, little control module and graphical user interface both way junction.

The multi-view 4K seamless presentation switcher comprises a microphone audio input port and a sound box audio input port, wherein the microphone audio input port and the sound box audio input port are both connected with the logic control module through an analog-to-digital conversion module.

The multi-view 4K seamless presentation switcher comprises a clock generator, wherein the clock generator is connected with the logic control module.

In the multi-view 4K seamless presentation switcher, the logic control module is bidirectionally connected with the first memory.

According to the multi-view 4K seamless demonstration switcher, the logic control module is connected with the second power amplifier through the digital-to-analog conversion module, and the power amplifier is connected with the analog audio output port.

In the multi-view 4K seamless presentation switcher, the logic control module is connected with the digital audio output port.

In the multi-view 4K seamless presentation switcher, the micro control module is bidirectionally connected with the USB port.

In the multi-view 4K seamless presentation switcher, the second digital signal processing module is bidirectionally connected with the micro control module, and the second digital signal processing module is connected with the HDMI output port.

In the multi-view 4K seamless presentation switcher, the digital switcher is bidirectionally connected with the second memory.

In the multi-view 4K seamless presentation switcher, the micro control module is connected with the infrared module.

In the multi-view 4K seamless presentation switcher, the micro control module is connected with the keys.

The utility model according to the proposal has the advantages that,

1. the utility model discloses there are four HDMI input ports, realize four at least high definition digital video's input, integration and switching function through control logic module convey a display terminal with the diversified concatenation of a plurality of HDMI input signal sources through HDMI output port, and the adaptation security protection is kept watch on, and a display terminal can keep watch on a plurality of pictures simultaneously, and the picture resolution ratio that shows is effectual with the clarity.

2. The utility model discloses set up many control mode, introduce little control module, carry out control command's input through connecting USB, infrared module and button, realize the multipath control mode, set up digital change over switch simultaneously between little control module and logic control module, control digital signal's input/output and record control process.

3. The utility model discloses a logic control module handles the audio signal among the single audio signal of input and the HDMI video signal, supports HDMI video signal's audio frequency to disassemble, realizes the audio mixing of audio frequency, inlays and unties.

4. The utility model discloses a FPGA clock generator and logic control module, customizable display window's overall arrangement and size are favorable to the security protection to keep watch on, can predefine 16 view overall arrangements simultaneously, and the adjustment window sets up 3 not unidimensional.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic diagram of the module structure of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "disposed" or "connected" to another element, it can be directly or indirectly disposed on the other element. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

A multi-view 4K seamless demonstration switcher comprises a plurality of HDMI input ports, wherein the HDMI input ports are connected with a logic control module through a plurality of first digital signal processing modules, the logic control module is connected with a micro control module through three paths, the logic control module is in bidirectional connection with the micro control module through a digital switch, the logic control module is connected with the micro control module through a second digital signal processing module, the logic control module is directly connected with the micro control module, and the micro control module is in bidirectional connection with a graphical user interface.

The utility model discloses there are four HDMI input ports, realize four at least high definition digital video's input, integration and switching function through control logic module convey a display terminal with the diversified concatenation of a plurality of HDMI input signal sources through HDMI output port, and the adaptation security protection is kept watch on, and a display terminal can keep watch on a plurality of pictures simultaneously, and the picture resolution ratio that shows is effectual with the clarity.

The first digital signal processing module comprises an HDMI switcher and an HDMI receiver, the HDMI switcher and the HDMI receiver are used for switching and processing high-definition digital videos input by different HDMI input ports respectively, the input high-definition digital videos are converted into digital audio signals and digital image signals after the HDMI receiver, the two parts of signals are sent to the logic control module, and therefore separation of audio and images of the high-definition digital videos is achieved, and integration and switching of the videos are achieved more accurately.

The utility model discloses a microphone audio input port and audio amplifier audio input port, microphone audio input port and audio amplifier audio input port all connect logic control module through first power amplifier, analog-to-digital conversion module. After audio signals passing through the microphone audio input port and the loudspeaker audio input port are amplified through a power amplifier, the analog-to-digital conversion module converts the audio signals of the L/R protocol into IIS audio digital signals and sends the IIS audio digital signals to the logic control module, so that integration of the audio signals and video signals is achieved.

The utility model discloses a clock generator, clock generator connect logic control module, make audio and video establish the link in the transmission switches not interrupted, let PCR and time stamp (PTS, DTS) synchronous, make PCR continuous around the switching, simultaneously, add time in audio and video processing and handle with the same frequency, guarantee that audio output is synchronous with the image picture. And through FPGA clock generator and logic control module, the overall arrangement and the size of customizable display window are favorable to the security protection to monitor, can predefine 16 view overall arrangements simultaneously, and the adjustment window sets up 3 different sizes.

The logic control module is in bidirectional connection with the first memory to finish data transmission and cache of running calculation.

The logic control module is connected with a second power amplifier through the digital-to-analog conversion module, the second power amplifier is connected with an analog audio output port, and an input microphone audio signal and a sound box audio signal are converted into an analog signal through the digital-to-analog conversion module through the operation of the logic control module after being subjected to analog-to-digital conversion, and the analog signal is amplified through the second power amplifier and then sent to the audio output port to finish the audio playing. The utility model discloses a logic control module handles the audio signal among the single audio signal of input and the HDMI video signal, supports HDMI video signal's audio frequency to disassemble, realizes the audio mixing of audio frequency, inlays and unties.

The logic control module is connected with the digital audio output port, audio and video disassembly is carried out through the logic control module, or analog audio signals are directly input, and the digital audio signals are output through the processing of the logic control module.

The micro control module is connected with the USB port in a bidirectional mode, and the micro control module processes input data of the USB port according to infrared rays, keys and control commands of a graphical user interface which are externally connected through connection with the USB port and controls the output direction of the content.

The second digital signal processing module is connected with the micro control module in a bidirectional mode, the second digital signal processing module is connected with the HDMI output port, and part of digital audio signals with different protocols are converted through the second digital signal processing module according to control commands of the micro control module so as to be converted into correct output types.

The digital switch is bidirectionally connected with the second memory and the micro control module, on one hand, the digital switch controls the input and output of the control command of the micro control module, and on the other hand, the digital switch saves or provides the running cache for the operation.

The micro control module is respectively connected with the infrared module, the keys and the graphical user interface, and the infrared module, the keys and the graphical user interface are controlled to the logic control module and the micro control module through the micro control module to realize the conversion, switching, integration and output of signals. The multi-control mode is set, the micro control module is introduced, the USB, the infrared module and the keys are connected to input control commands, the multi-way control mode is realized, and meanwhile, a digital switch is arranged between the micro control module and the logic control module to control the input and output of digital signals and record the control process.

Preferably, the model of the HDMI switch is IT 66321.

Preferably, the HDMI sink is of a model IT 66021.

Preferably, the model of the analog-digital processing module is CS 5340.

Preferably, the model of the first power amplifier is TL 082.

Preferably, the model of the logic control module is LEF3-70EA-8FN 672C.

Preferably, the clock generator is of the type IDT5V49EE 902.

Preferably, the model of the digital selector switch is QS3L 384.

Preferably, the micro control module is of the model STM32F103RCT 6.

Preferably, the model of the second digital signal processing module is IT 6615.

Preferably, the model of the digital-to-analog conversion module is CS 43.

Preferably, the model of the second power amplifier is TL 082.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a 4K seamless demonstration switch of multiview which characterized in that, includes a plurality of HDMI input port, the HDMI input port connects logic control module through the first digital signal processing module of a plurality of, logic control module connects little control module through three routes, logic control module through digital change over switch with little control module both way junction, logic control module connects through second digital signal processing module little control module, logic control module lug connection little control module, little control module and graphical user interface both way junction.

2. The multi-view 4K seamless presentation switcher of claim 1, comprising a microphone audio input port and a speaker audio input port, wherein the microphone audio input port and the speaker audio input port are both connected to the logic control module via an analog-to-digital conversion module.

3. The multi-view 4K seamless presentation switcher of claim 1, comprising a clock generator, wherein the clock generator is connected to the logic control module.

4. The multi-view 4K seamless presentation switcher of claim 1, wherein the logic control module is bi-directionally coupled to the first memory.

5. The switcher of claim 1, wherein said logic control module is coupled to a second power amplifier via a digital-to-analog conversion module, said second power amplifier being coupled to an analog audio output port.

6. The multiview 4K seamless presentation switcher of claim 1, wherein the logic control module is coupled to a digital audio output port.

7. The multiview 4K seamless presentation switcher of claim 1, wherein the micro control module is bi-directionally coupled to the USB port.

8. The multiview 4K seamless presentation switcher of claim 1, wherein the second digital signal processing module is bi-directionally coupled to the micro control module, and wherein the second digital signal processing module is coupled to an HDMI output port.

9. The multiview 4K seamless presentation switcher of claim 1, wherein the digital switcher is bidirectionally coupled to the second storage.

10. The multi-view 4K seamless presentation switcher of claim 1, wherein the micro control module connects the infrared module and the button.

Images