CN214014367U

CN214014367U - HDMI signal output device and electronic equipment

Info

Publication number: CN214014367U
Application number: CN202022662270.2U
Authority: CN
Inventors: 蒋勇
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shikun Electronic Technology Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shikun Electronic Technology Co Ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-08-20
Anticipated expiration: 2030-11-17

Abstract

The embodiment of the application discloses HDMI signal output device and electronic equipment, the device includes the HDMI signal source and the first MN864787 chip of first resolution ratio, wherein: the HDMI signal source of first resolution ratio, with first MN864787 chip is connected, be used for to first MN864787 chip input the HDMI signal of first resolution ratio, first MN864787 chip is used for outputting at least all the way the HDMI signal of first resolution ratio and at least all the way the HDMI signal of second resolution ratio, the second resolution ratio with first resolution ratio is different. By adopting the embodiment of the application, the HDMI signal source with the first resolution ratio and the first MN864787 chip can be connected to form the structure of the HDMI signal output device, at least one path of HDMI signal with the first resolution ratio and at least one path of HDMI signal with the second resolution ratio can be output, so that the HDMI signals with different multi-path resolution ratios can be output through the HDMI signal output device, and the requirements of the equipment for receiving the HDMI signals with different resolution ratios can be met.

Description

HDMI signal output device and electronic equipment

Technical Field

The application relates to the technical field of signal processing, in particular to an HDMI signal output device and electronic equipment.

Background

Audio and video playing devices such as DVD players, video recorders, digital set-top boxes, video receivers, game machines, and computers receive High Definition Multimedia Interface (HDMI) signals and convert the HDMI signals into video signals and audio signals, thereby realizing transmission of video, images, and audio.

To realize the output of multi-path HDMI signals, the HDMI signal output device is mainly used for realizing the output of the multi-path HDMI signals through an HDMI concentrator at present, but the resolution of the output multi-path HDMI signals is the same, and the resolution is single, so that the existing HDMI signal output device is difficult to meet the audio and video playing equipment which has requirements on the HDMI signals with different resolutions.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides an HDMI signal output device and electronic equipment, can change the resolution ratio of HDMI signal to satisfy and receive the demand of the equipment of HDMI signal to the HDMI signal of different resolution ratios. The technical scheme is as follows:

in a first aspect, an embodiment of the present application provides an HDMI signal output apparatus, where the apparatus includes an HDMI signal source with a first resolution and a first MN864787 chip, where:

the HDMI signal source of the first resolution is connected with the first MN864787 chip and is used for inputting the HDMI signal of the first resolution to the first MN864787 chip;

the first MN864787 chip is used for outputting at least one path of HDMI signals of the first resolution and at least one path of HDMI signals of the second resolution, wherein the second resolution is different from the first resolution.

In a second aspect, an electronic device according to an embodiment of the present application may include the HDMI signal output apparatus.

The beneficial effects brought by the technical scheme provided by some embodiments of the application at least comprise:

in one or more embodiments of this application, HDMI signal output device includes the HDMI signal source and the first MN864787 chip of first resolution, the HDMI signal source of first resolution, with the first MN864787 chip is connected, is used for to the first MN864787 chip input the HDMI signal of first resolution, the first MN864787 chip is used for outputting at least all the way the HDMI signal of first resolution and at least all the way the HDMI signal of second resolution, the second resolution with first resolution is different. The HDMI signal source of first resolution ratio and the structure that constitutes HDMI signal output device can be connected through the HDMI signal source of first resolution ratio and first MN864787 chip, can output the HDMI signal of the first resolution ratio of at least one way and the HDMI signal of the second resolution ratio of at least one way to can output the different HDMI signal of multichannel resolution ratio through HDMI signal output device, and then can satisfy the receipt the equipment of HDMI signal is to the demand of the HDMI signal of different resolution ratios.

Drawings

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

Fig. 1 is a schematic structural diagram of an HDMI signal output apparatus according to an embodiment of the present application;

fig. 2a is a schematic structural diagram of an HDMI signal source with a first resolution according to an embodiment of the present application;

fig. 2b is a schematic diagram illustrating an example of an HDMI signal output apparatus according to an embodiment of the present disclosure;

fig. 2c is a schematic structural diagram of another HDMI signal source with a first resolution according to an embodiment of the present application;

fig. 2d is a schematic structural diagram of another HDMI signal output apparatus according to an embodiment of the present application;

fig. 2e is a schematic diagram illustrating another HDMI signal output apparatus according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of another HDMI signal output apparatus according to an embodiment of the present application;

fig. 4 is a schematic diagram illustrating another HDMI signal output apparatus according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of another HDMI signal output apparatus according to an embodiment of the present application;

fig. 6a is a schematic diagram illustrating another HDMI signal output apparatus according to an embodiment of the present application;

fig. 6b is a schematic structural diagram of another HDMI signal output apparatus according to an embodiment of the present application;

fig. 6c is a schematic diagram illustrating an example of an HDMI signal output apparatus according to an embodiment of the present disclosure.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present application, it is noted that, unless explicitly stated or limited otherwise, "including" and "having" and any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art. Further, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

The present application will be described in detail with reference to specific examples.

In a first embodiment, as shown in fig. 1, an HDMI signal output apparatus is particularly proposed, the apparatus 1 comprising an HDMI signal source 11 of a first resolution and a first MN864787 chip 12, wherein:

the HDMI signal source 11 of the first resolution is connected to the first MN864787 chip 12, and is configured to input the HDMI signal of the first resolution to the first MN864787 chip 12;

the first MN864787 chip 12 is configured to output at least one path of HDMI signal with the first resolution and at least one path of HDMI signal with a second resolution, where the second resolution is different from the first resolution.

As shown in fig. 2a, the HDMI signal source 11 with the first resolution includes an FPGA chip 111 and an ADV7511 chip 112.

And the FPGA chip 111 is connected with the ADV7511 chip 112, and is configured to generate an image signal, an audio signal, and a control signal, and send the image signal, the audio signal, and the control signal to the ADV7511 chip 112. And the ADV7511 chip 112 is configured to generate at least one path of HDMI signal with the first resolution based on the image signal, the audio signal, and the control signal.

The Field-Programmable Gate Array (FPGA) chip comprises a Programmable input/output unit, a configurable logic block, a digital clock management module, an embedded block Random Access Memory (RAM), a wiring resource, an embedded dedicated hard core, and a bottom embedded functional unit, belongs to a semi-custom circuit in an application-specific integrated circuit, is a Programmable logic Array, and can solve the problem of the small number of original device Gate circuits, and in the HDMI signal output device, image signals, audio signals and control signals can be generated and sent to the ADV7511 chip 112.

The image signal may be an RGB signal for conversion into a video signal in the HDMI signal. The audio signal may be an IIS signal for conversion into an audio signal in the HDMI signal. The control signals may include a line synchronization (H-Sync, HS) signal, a field synchronization (V-Sync, VS) signal, a valid Data Enable (DE) signal, and a Dot Clock (DCLK) signal, the HS signal being used to select a valid line signal section in a display interface corresponding to the image signal, the VS signal being used to select a valid field signal section in the display interface, and the DE signal being used to distinguish a valid RGB signal from an invalid RGB signal. And the DCLK signal is used for controlling the RGB signals to be transmitted in sequence.

The HDMI signal of the first resolution is an HDMI signal that converts an image signal, an audio signal, and a control signal into an HDMI signal having a specific resolution, where the resolution refers to the precision of an image, i.e., how many pixels can be displayed by a display in a device receiving the HDMI signal, and the more pixels that can be displayed by the display, the higher the resolution, and the less pixels that can be displayed by the display, the lower the resolution. The resolution may be 720P, 1080P, 2K, 4K, or the like. The HDMI signal of the first resolution may be a 720P HDMI signal, a 1080P HDMI signal, a 2K HDMI signal, or a 4K HDMI signal, and the HDMI signal of the second resolution may be a 720P HDMI signal, a 1080P HDMI signal, a 2K HDMI signal, or a 4K HDMI signal. It should be noted that the second resolution is different from the first resolution, for example, when the HDMI signal of the first resolution is a 1080P HDMI signal, the HDMI signal of the second resolution is converted into an HDMI signal of the second resolution by the first MN864787 chip 12, and the HDMI signal of the second resolution may be a 4K HDMI signal.

Specifically, as shown in fig. 2b, taking the HDMI signal with the first resolution as an HDMI signal with 1080P and the HDMI signal with the second resolution as an HDMI signal with 4K as an example, the audio playing devices receiving the HDMI signals are the computer 2 and the television 3, respectively, and the process of the HDMI signal output apparatus 1 outputting the HDMI signals with different resolutions is as follows: the FPGA chip 111 sends the generated image signal, audio signal and control signal to the ADV7511 chip 112, the ADV7511 chip 112 converts the image signal, audio signal and control signal into a 1080P HDMI signal and sends the 1080P HDMI signal to the first MN864787 chip 12, and the first MN864787 chip 12 converts the 1080P HDMI signal into a 1080P HDMI signal and a 4K HDMI signal. The computer 2 receives the 4K HDMI signal when it is required to receive the 4K HDMI signal, and the television 3 receives the 1080P HDMI signal when it is required to receive the 1080P HDMI signal.

Optionally, as shown in fig. 2c, the HDMI signal source 11 of the first resolution further comprises an HDMI hub 113. The HDMI hub 113 is connected to the ADV7511 chip 112, and configured to receive one path of the HDMI signals with the first resolution input by the ADV7511 chip 112, and output at least two paths of the HDMI signals with the first resolution. The HDMI signal output apparatus 1 may include at least two MN864787 chips for receiving at least two HDMI signals of the first resolution output by the HDMI hub 113.

Specifically, as shown in fig. 2d, a schematic structural diagram of a possible HDMI signal output apparatus is shown, where the HDMI signal source 11 of the first resolution further includes an HDMI hub 113, and the HDMI signal output apparatus 1 further includes a fourth MN864787 chip 13. As shown in fig. 2e, taking the HDMI signal with the first resolution as the HDMI signal with 1080P and the HDMI signal with the second resolution as the HDMI signal with 4K as an example, the audio playing devices receiving the HDMI signals are the tv 2 and the computer 3, respectively, and the process of the HDMI signal output apparatus 1 outputting the HDMI signals with different resolutions is as follows: the 1080P HDMI signal source 11 sends a 1080P HDMI signal to the HDMI hub 113, the HDMI hub 113 converts the 1080P HDMI signal into two paths, which are output to the first MN864787 chip 12 and the fourth MN864787 chip 13, the first MN864787 chip 12 converts the 1080P HDMI signal into one path of 1080P HDMI signal and one path of 4K HDMI signal, the fourth MN864787 chip 13 converts the 1080P HDMI signal into one path of 1080P HDMI signal and one path of 4K HDMI signal, so that the HDMI signal output device 1 outputs four paths of HDMI signals, which are two paths of 4K HDMI signals output to the computer 2, and two paths of 1080P HDMI signals output to the television 3.

In this application embodiment, the HDMI signal source of first resolution includes the FPGA chip and the ADV7511 chip, can connect the structure of the HDMI signal source of constituteing first resolution through FPGA chip and ADV7511 chip, and the HDMI signal source through first resolution is connected with first MN864787 chip and is constituteed the structure of HDMI signal output device, can output the HDMI signal of at least one way first resolution and the HDMI signal of at least one way second resolution, thereby can output the different HDMI signal of multichannel resolution through HDMI signal output device, and then can satisfy and receive the demand of the equipment of HDMI signal to the HDMI signal of different resolution.

Referring to fig. 3, fig. 3 is a schematic flowchart illustrating a second embodiment of an HDMI signal output apparatus according to the present application. The apparatus 1 comprises an HDMI signal source 11 of a first resolution in the first embodiment and a first MN864787 chip 12, in this embodiment the apparatus further comprises a second MN864787 chip 14, wherein:

the first MN864787 chip 12 is configured to output at least one HDMI signal with the first resolution and at least one HDMI signal with the second resolution, which may be referred to in the first embodiment specifically, and is not described herein again.

The second MN864787 chip 14 is connected to the first MN864787 chip 12, and configured to receive one path of the HDMI signal with the second resolution input by the first MN864787 chip 12, and output at least two paths of the HDMI signal with the second resolution.

Specifically, as shown in fig. 4, taking the HDMI signal with the first resolution as a 1080P HDMI signal and the HDMI signal with the second resolution as a 2K HDMI signal as an example, the audio playing devices receiving the HDMI signals are the television 4, the computer 6 and the computer 7, respectively, and the process of the HDMI signal output apparatus 1 outputting the HDMI signals with different resolutions is as follows: the 1080P HDMI signal source 11 sends a 1080P HDMI signal to the first MN864787 chip 12, the first MN864787 chip 12 converts the 1080P HDMI signal into one 1080P HDMI signal and one 4K HDMI signal, and sends one 4K HDMI signal to the second MN864787 chip 14, the second MN864787 chip 14 converts the 4K HDMI signal into two 4K HDMI signals, so that the HDMI signal output device 1 outputs three HDMI signals, the one 1080P HDMI signal is output to the television 4, the one 4K HDMI signal is output to the computer 6, and the one 4K HDMI signal is output to the computer 7.

In this application embodiment, HDMI signal output device still includes second MN864787 chip, can be connected with first MN864787 chip and second MN864787 chip through the HDMI signal source of first resolution ratio is connected and is constituteed HDMI signal output device's structure, can output the HDMI signal of at least first resolution ratio of the same way and the HDMI signal of two way at least second resolutions to can be further through the different HDMI signals of HDMI signal output device output multichannel resolution ratio, and then can satisfy and receive the demand of the equipment of HDMI signal to the HDMI signal of different resolution ratios.

Referring to fig. 5, fig. 5 is a schematic flowchart illustrating a third embodiment of an HDMI signal output apparatus according to the present application. The apparatus 1 comprises an HDMI signal source 11 of a first resolution in the first embodiment and a first MN864787 chip 12, in this embodiment the apparatus further comprises a third MN864787 chip 15, wherein:

A third MN864787 chip 15 connected to the first MN864787 chip 12, for receiving one path of the HDMI signal with the first resolution input by the first MN864787 chip 12, and outputting at least one path of the HDMI signal with the first resolution and at least one path of the HDMI signal with the second resolution.

Specifically, as shown in fig. 6a, taking the HDMI signal of the first resolution as the 720P HDMI signal and the HDMI signal of the second resolution as the 4K HDMI signal as an example, the audio players receiving the HDMI signals are the computer 2, the computer 4 and the television 5, respectively, and the process of the HDMI signal output apparatus 1 outputting the HDMI signals of different resolutions is as follows: the 720P HDMI signal source 11 sends a 720P HDMI signal to the first MN864787 chip 12, the first MN864787 chip 12 converts the 720P HDMI signal into a 720P HDMI signal and a 4K HDMI signal, and sends the 720P HDMI signal to the third MN864787 chip 15, and the third MN864787 chip 15 converts the 720P HDMI signal into a 720P HDMI signal and a 4K HDMI signal, so that the HDMI signal output device 1 outputs three paths of HDMI signals, namely, one path of 4K HDMI signal to the computer 2, one path of 4K HDMI signal to the computer 4, and one path of 720P HDMI signal to the television 5.

Optionally, as shown in fig. 6b, the apparatus includes a third MN864787 chip 15, and further includes a second MN864787 chip 14, wherein:

the first MN864787 chip 12 is connected to the second MN864787 chip 14 and the third MN864787 chip 15, respectively, and configured to output at least one path of the HDMI signal with the second resolution to the second MN864787 chip 14, and output at least one path of the HDMI signal with the first resolution to the third MN864787 chip 15. The second MN864787 chip 14 receives the HDMI signal of the second resolution and outputs at least two HDMI signals of the second resolution. The third MN864787 chip 15 receives the HDMI signal of the first resolution and outputs at least one path of the HDMI signal of the first resolution and at least one path of the HDMI signal of the second resolution.

Specifically, as shown in fig. 6c, taking the HDMI signal with the first resolution as a 1080P HDMI signal and the HDMI signal with the second resolution as a 2K HDMI signal as an example, the audio playing devices receiving the HDMI signals are the television 4, the computer 5, the computer 6, and the computer 7, respectively, and the process of the HDMI signal output apparatus 1 outputting the HDMI signals with different resolutions is as follows: the 1080P HDMI signal source 11 sends a 1080P HDMI signal to the first MN864787 chip 12, the first MN864787 chip 12 converts the 1080P HDMI signal into one 1080P HDMI signal and one 4K HDMI signal, and sends one 4K HDMI signal to the second MN864787 chip 14, and sends one 1080P HDMI signal to the third MN864787 chip 15, the second MN864787 chip 14 converts the 4K HDMI signal into two 4K HDMI signals, the second MN864787 chip 14 converts the 4K HDMI signal into one 1080P HDMI signal and one 4K HDMI signal, so that the HDMI signal output device 1 outputs four paths of signals, which are one 1080P HDMI signal and one 4K HDMI signal respectively, to the television 4, one 4K HDMI signal to the computer 5, one 4K signal to the computer 6, and one 4K signal to the computer 7.

In this application embodiment, HDMI signal output device still includes third MN864787 chip, can be connected with first MN864787 chip and third MN864787 chip through the HDMI signal source of first resolution ratio and be connected the structure of constituteing HDMI signal output device, can output the HDMI signal of at least first resolution ratio of the same way and the HDMI signal of two way at least second resolutions to can be further through the different HDMI signal of HDMI signal output device output multichannel resolution ratio, and then can satisfy and receive the demand of the equipment of HDMI signal to the HDMI signal of different resolution ratios. In addition, the HDMI signal output device can simultaneously include a second MN864787 chip and a third MN864787 chip, can be connected with the first MN864787 chip through the HDMI signal source of the first resolution and the first MN864787 chip are respectively connected with the second MN864787 chip and the third MN864787 chip, can output at least one path of HDMI signal of the first resolution and at least three paths of HDMI signals of the second resolution, thereby can further output HDMI signals of different multi-path resolutions through the HDMI signal output device, and further can meet the requirement of equipment for receiving the HDMI signals of different resolutions.

An embodiment of the present application further provides an electronic device, which includes the above HDMI signal output apparatus. The electronic equipment can be audio and video playing equipment such as a DVD player, a video recorder, a digital set top box, a video receiver, a game machine, a computer and the like. The electronic equipment with the HDMI signal output device can output at least one path of HDMI signals with first resolution and at least one path of HDMI signals with second resolution, so that multiple paths of HDMI signals with different resolutions can be output through the HDMI signal output device, and the requirements of equipment for receiving the HDMI signals on the HDMI signals with different resolutions can be met.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present application and is not to be construed as limiting the scope of the present application, so that the present application is not limited thereto, and all equivalent variations and modifications can be made to the present application.

Claims

1. An HDMI signal output apparatus, comprising an HDMI signal source of a first resolution and a first MN864787 chip, wherein:

2. The apparatus of claim 1, wherein the apparatus comprises a second MN864787 chip, wherein:

the second MN864787 chip is connected to the first MN864787 chip, and is configured to receive one path of the HDMI signal of the second resolution input by the first MN864787 chip, and output at least two paths of the HDMI signal of the second resolution.

3. The apparatus of claim 1, wherein the apparatus comprises a third MN864787 chip, wherein:

the third MN864787 chip is connected with the first MN864787 chip and is used for receiving one path of HDMI signal of the first resolution input by the first MN864787 chip and outputting at least one path of HDMI signal of the first resolution and at least one path of HDMI signal of the second resolution.

4. The apparatus of claim 1, wherein the HDMI signal source of the first resolution comprises an FPGA chip and an ADV7511 chip, wherein:

the FPGA chip is connected with the ADV7511 chip, and is used for generating an image signal, an audio signal and a control signal and sending the image signal, the audio signal and the control signal to the ADV7511 chip;

the ADV7511 chip is configured to generate at least one path of HDMI signals with the first resolution based on the image signal, the audio signal, and the control signal.

5. The apparatus of claim 4, wherein the HDMI signal source of the first resolution further comprises an HDMI hub, wherein:

the HDMI concentrator is connected with the ADV7511 chip, and is configured to receive one path of the HDMI signals with the first resolution input by the ADV7511 chip, and output at least two paths of the HDMI signals with the first resolution.

6. The apparatus of claim 1, wherein the first resolution is less than the second resolution.

7. The apparatus of claim 6, wherein the first resolution is 1080P and the second resolution is 4K.

8. An electronic device characterized by comprising the HDMI signal output apparatus according to any one of claims 1 to 7.