CN212064201U

CN212064201U - High definition converter

Info

Publication number: CN212064201U
Application number: CN202021137300.1U
Authority: CN
Inventors: 李岩
Original assignee: Shenzhen Xinglongle Electronic Co ltd
Current assignee: Shenzhen Xinglongle Electronic Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2020-12-01
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a high definition converter belongs to image processing technology field. The device comprises a digital audio and video input interface, a PCB circuit board, a high-definition output interface, an infrared receiving module and an infrared remote controller. The audio and video signals are input to an FPGA chip of the PCB through an input interface, output to a high-definition signal output module through a signal acquisition and preprocessing module of the FPGA chip, a video format processing and image resolution adjusting module, an OSD display module and a graphic color adjusting module, and output to a television or a display, and a control module in the FPGA chip is responsible for acquiring, processing and outputting audio signals and receiving and responding to control signals of a remote controller. The utility model provides a problem of the unable high definition signal of output of Gamecube game machine, provide a brand-new plug and play's high definition converter and adjust resolution ratio, image quality and the audio frequency of image through OSD and infrared remote controller are real-time.

Description

High definition converter

Technical Field

The utility model relates to a video image handles, video converter field, in particular to high definition converter.

Background

The video interface of the GameCube home game machine comprises a composite video interface and a digital video interface, but cannot output HDMI high-definition video signals. At present, the game picture of the GameCube is output to an audio-video converter which needs to be simulated on the HDMI television, the connection is complex, the loss of the simulation signal is large in the transmission process, the anti-interference performance is poor, and the display picture transmitted to the television is further poor. The converters for converting the composite video signals sold on the market into the HDMI are large, inconvenient to carry, multiple and messy in connection, poor in audio and video anti-interference capacity, and inconvenient to use due to the fact that an external power supply is needed. Problems and disadvantages present: the Gamecube game machine cannot output high-definition HDMI signals; 2. the products on the market are converted by analog audio and video signals, so that the loss is large in the transmission and conversion process of the video signals, the anti-interference performance is poor, and the image quality of images transmitted to a television is further deteriorated; 3. the analog video converter on the market cannot provide high-definition game video images; 4. the operation is complex, a plurality of audio and video wires need to be connected, an external power supply is needed, and the use is not convenient enough; 5, the use function is single, and the real-time adjustment of the video and audio signals cannot be carried out in the audio and video conversion process.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present disclosure provides a novel plug-and-play high definition converter, which can also adjust the resolution, image quality and audio frequency of an image in real time through an OSD and an infrared remote controller. The utility model discloses a realize through following technical scheme:

a high definition converter, comprising: the infrared remote controller comprises a digital audio and video input interface, a PCB circuit board, a high-definition output interface, an infrared receiving module and an infrared remote controller, wherein the PCB circuit board comprises but is not limited to an FPGA chip and is a control part of the high-definition converter, audio and video signals needing high-definition conversion are input into the high-definition converter through the digital audio and video input interface, the infrared receiving module receives control signals from the infrared remote controller, the audio and video signals input by the digital audio and video input interface and the control signals of the infrared remote controller received by the infrared receiving module realize the conversion of the high-definition signals through the FPGA chip of the PCB circuit board, and the high-definition.

Furthermore, the FPGA chip of the PCB circuit board comprises internal functional modules including a video image acquisition and preprocessing module, a video format processing and image resolution adjusting module, an OSD display module, an image color adjusting module, a high-definition converter control module, an operation processing storage unit and a high-definition signal output module, wherein a video signal input by a digital audio and video input interface is input into the video image acquisition and preprocessing module, an audio signal input by the digital audio and video input interface and a control signal of an infrared remote controller received by the infrared receiving module are input into the high-definition conversion control module, the high-definition conversion control module is responsible for acquiring, processing and outputting the audio signal and receiving and responding to the control signal of the remote controller, the operation processing storage unit is used for storing, reading and writing input, output and process data, the video signal is acquired and preprocessed and then combined with the control requirement of the infrared remote controller and is processed by the video format processing and image resolution adjusting module, The image color adjusting module is used for further conversion processing, the OSD display module is used for displaying the current states of the video and the audio adjusted by the infrared remote controller on an external display screen, and finally, the high-definition signal output module outputs a high-definition signal to the external equipment.

Further, the infrared remote control signal includes, but is not limited to, resolution of video image output, image aspect ratio, color, transparency, and decibel of output audio.

Further, the high-definition output interface is an HDMI interface.

The utility model provides a high definition converter has solved the problem that the Gamecube game machine can't output high definition signal among the background art, provides a brand-new plug-and-play's high definition converter and adjusts the resolution ratio, the picture quality and the audio frequency of image through OSD and infrared remote controller in real time, provides brand-new visual experience for the user, through the FPGA chip with all functions integration in an organic whole, this product has only adopted a chip, real low-power consumption, and production simple process, and is with low costs moreover. The utility model discloses an application is not restricted to the high definition signal conversion that Gamecube game machine can also be used to other occasions.

Drawings

Fig. 1 is a schematic diagram of a basic structure of a high definition converter provided by the present invention;

fig. 2 is a schematic diagram of a basic composition of a PCB according to an embodiment of the present invention;

fig. 3 is the module composition and the work flow schematic diagram of the FPGA chip of the present invention.

Detailed Description

The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

The utility model discloses a high definition converter, the innovation begins in the unable problem of exporting the high definition signal of Gamecube game machine in the technical background, provides a brand-new plug and play's high definition converter and leads to OSD and infrared remote controller and adjust resolution ratio, image quality and audio frequency of image in real time. The specific implementation mode is as follows:

a high definition converter, as shown in fig. 1, comprising: the device comprises a digital audio and video input interface, a PCB circuit board, a high-definition output interface, an infrared receiving module and an infrared remote controller. The PCB includes but is not limited to an FPGA chip, which is a control part of the high definition converter, as shown in fig. 2, and further includes all required peripheral circuits in specific implementation. The digital audio and video input interface is a connector between equipment needing high-definition conversion and the high-definition converter, and audio and video signals needing high-definition conversion are input into the high-definition converter through the digital audio and video input interface. The infrared receiving module receives a control signal from the infrared remote controller. During specific implementation, the digital audio and video input interface is fixed on the PCB through the clamping plate and is positioned on one side of the PCB, and the other side of the digital audio and video input interface is provided with a receiving head and a high-definition output interface which are received by the infrared receiving module. The audio and video signals input by the digital audio and video input interface and the control signals of the infrared remote controller received by the infrared receiving module are converted by the FPGA chip of the PCB circuit board, and are output to the external equipment through the high-definition signal output interface.

Further, as shown in fig. 3, the FPGA chip of the PCB includes a video image acquisition and preprocessing module, a video format processing and image resolution adjusting module, an OSD display module, an image color adjusting module, a high definition converter control module, an operation processing storage unit, and a high definition signal output module. The video signal input by the digital audio and video input interface is input to the video image acquisition and preprocessing module. And audio signals input by the digital audio and video input interface and control signals of the infrared remote controller received by the infrared receiving module are input to the high-definition conversion control module, and the high-definition conversion control module is responsible for acquiring, processing and outputting the audio signals and receiving and responding to the control signals of the remote controller. The operation processing storage unit is used for storing and reading and writing input, output and process data. After the video signal is collected and preprocessed, the control requirement of the infrared remote controller is combined, and the video signal is further converted and processed by the video format processing and image resolution adjusting module and the image color adjusting module. The OSD display module is used for displaying the current states of the video and the audio adjusted by the infrared remote controller on an external display screen. And finally, outputting a high-definition signal to the external equipment through a high-definition signal output module. The OSD is the abbreviation of on-screen display, the OSD display module and the infrared remote controller achieve the purpose of adjusting various parameters through a function menu displayed on a screen, the adjustment is convenient, and the adjustable content can be increased according to the requirement without the limitation of the number of buttons of the size of a panel of the entity type adjusting device.

In specific embodiments, the infrared remote control can control signals including, but not limited to, resolution of video image output, image aspect ratio, color, transparency, and decibel of output audio.

Furthermore, the digital audio and video input interface is a video interface of equipment needing high definition conversion, the high definition output interface is an HDMI interface, no setting is needed, images can be displayed after the HDMI interface of external display equipment is connected, and plug and play are achieved. When the connector is used for a GameCube game machine, a brand-new connector is provided for receiving audio and video signals of the GameCube game machine.

The utility model discloses an application is not restricted to the Gamecube game machine and can also be used to other high definition signal conversion with the occasion.

The above description is for illustrative purposes only and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. that do not depart from the spirit and principles of the present invention should be construed as within the scope of the present invention.

Claims

1. A high definition converter, comprising: the system comprises a digital audio and video input interface, a PCB circuit board, a high-definition output interface, an infrared receiving module and an infrared remote controller, wherein the PCB circuit board comprises but is not limited to an FPGA chip and is a control part of a high-definition converter, audio and video signals needing high-definition conversion are input into the high-definition converter through the digital audio and video input interface, the infrared receiving module receives control signals from the infrared remote controller, the audio and video signals input by the digital audio and video input interface and the control signals of the infrared remote controller received by the infrared receiving module realize the conversion of the high-definition signals through the FPGA chip of the PCB circuit board, and the high-definition signals are output.

2. The high definition converter according to claim 1, wherein the FPGA chip of the PCB comprises a video image acquisition and pre-processing module, a video format processing and image resolution adjusting module, an OSD display module, an image color adjusting module, a high definition converter control module, an operation processing storage unit and a high definition signal output module, wherein a video signal input by the digital audio/video input interface is input to the video image acquisition and pre-processing module, an audio signal input by the digital audio/video input interface and a control signal of the infrared remote controller received by the infrared receiving module are input to the high definition conversion control module, the high definition conversion control module is responsible for acquiring, processing and outputting the audio signal and receiving and responding to the control signal of the remote controller, the operation processing storage unit is used for storing, reading, writing, outputting and processing data, the video signal is collected and preprocessed, then the video signal is combined with the control requirement of the infrared remote controller and is further converted and processed through the video format processing and image resolution adjusting module and the image color adjusting module, the OSD display module is used for displaying the current states of the video and the audio adjusted by the infrared remote controller on an external display screen, and finally, the high-definition signal is output to the external equipment through the high-definition signal output module.

3. The high definition converter as claimed in claim 1, wherein the infrared remote control signals include but are not limited to resolution, image aspect ratio, color, transparency of video image output, and decibel of output audio.

4. The converter according to claim 1, wherein the high definition output interface is an HDMI interface.