TW200531527A - An independent MPEG–2 hardware coding system with VGA interface - Google Patents

Abstract

An independent MPEG–2 hardware coding system with VGA interface, which combines a central controller, internet function, memory register, video/audio signal interface, and computer VGA video interface, transmits video data via a wire or wireless manner, wherein the system consists of a video input component, a sound effect input component, a video code compression and output component, and a central controller with an internet entity interface. The video input component is a VGA video output used to connect with personal computers (like desk or notebook computers) or an A/V composite video output of a video appliance (like DVD players); the video code compression and output component can be temporarily stored in a buffer storage or memory of the independent system; the central controller and internet entity interface are used to control the whole system, data format and access, and connection to the internet; the software of the system consists of an engaged type operating system, driving programs of relative components, internet communication protocols, and its upper level application programs.

Description

200531527 发明 Description of the invention: [Technical field to which the invention belongs] The present invention relates to-a kind of hardware system with a VGA interface _ jump jump G_2, refers to a kind of fresh multi-pitch sound concept __ of Hunan MPEG-2, reached In the form of hardware editing, in addition to providing a general A / V terminal device interface, it also accepts VGA interface rotation of computer equipment, and at the same time raises the side to complete the secret function; through the secret card method, according to the computer department: Independent MPEG-2 hardware coding system with VGA interface in operation. '~ [Previous technology] The traditional MPEG-2 hardware encoding system is mainly inserted into the buckle slot by means of a ρα interface card. It also only provides A / V terminal interface for input of audiovisual equipment. The encoded audiovisual data is Hard disk or "Shoot, the most fine-tuned, after this post _ 细 路 龄 _ 咖啡 d", send the data to the remote decoding and playback via wired / wireless LAN. The other mode is to send these data to the video card of the PC towel, and then display the original video and audio on Monitor after software or hard code. From the above, it is known that the traditional MPEG-2 hardware encoding system must test # —the pc and its surrounding hardware and software support, so that the encoded audio and video can be used effectively. In addition to the traditional TV and audio, Karajin, the computer and audio equipment of Ejin is also important in the field of multimedia, but please refer to A for VGA _ than RGB signals. 1 Traditional MPEG-2 hardware No such interface is available for the coding system. It can be seen that there are still many defects in the traditional MPEG · 2 hardware coding system, which is not a good designer and needs to be improved. ° In view of the various shortcomings derived from the above-mentioned system, the inventor of this case is eager to improve and innovate. After studying the ancient and lonely intentions of A Jingxi, he finally successfully developed and completed the independent MPEG-2 hardware of this thief VGA interface. Coding system. [Summary of the Invention] The purpose of the present invention is to make a tree touch—special rhyme VGA_Li delete G_2 hardware encoding system 'is to expand the functions of the traditional PCI Bus pen-like hardware encoding card and change it to integrate the central 200531527 controller and network. , Memory temporary storage n, video signal interface and computer vga image interface independent system to improve the lack of traditional MPEG-2 hardware encoding system and facilitate maintenance; the main thing is that 'now the video computer equipment is completely unnecessary Any changes, or any driver software, just connect its output signal interface to the system with a thin cable, and you can use the integrated network function of this system to transmit the signal by wired / wireless network. An independent MPEG-2 hardware encoding system with a VGA interface that achieves the above-mentioned object of the invention is mainly composed of four parts, which are a video input device, a sound input device, a video encoding compression and output device, and a central control unit and network. The physical input device can be divided into two interfaces: computer image input (VGA) and A / V terminal (Composite) image input. After the two input signals are pre-processed, they are connected to the video decoder (vide〇Dec 〇der) processing, after color space conversion processing (Color Space Conversation), output to the audio and video encoding and compression section for MPEG-2 image compression processing; this sound effect input device only includes a na terminal (c〇mp〇_ audio effect input = interface, It is divided into two signals of left and right channels. After pre-processing and digital processing, it is output to the audio and video encoding and compression section for MPEG-1 audio compression. The audio and video encoding and output device inputs video and audio effects to the side of the signal. _ MpEG ^ Cell reduction, the most preferred setting is to send Video / Audio streams that conform to the MPEG standard to the memory for temporary storage; the central controller is used to configure, access, and access the entire system. The memory of the Yang is temporarily stored. From the 〇streams' will be packaged and combined by the central controller according to the network protocol, and then these data will be transmitted by wired or wireless through the network physical interface. [Embodiment] & amp The invention can provide a computer and general audio and video playback equipment, which can easily upgrade the traditional wired projection or audio and video playback methods, so that it has the method of Linzai Wei, without the need to eliminate or upgrade the old projection playback equipment, while avoiding the traditional cable system The wiring and wiring are not easy to trouble, and it is beneficial to the system maintenance, and it is not afraid that the system lines will be disconnected by external forces. Please refer to Figure 1, which is the application example architecture diagram of the independent MPEG-2 hardware encoding system with VGA interface according to the present invention. The composition includes the independent MPEG according to the present invention. The hardware, the flat horse system 1 and the wireless network interface are standard receiving equipment 2 capable of decoding data from the 叩 〇_2 200531527 with application software or hardware, in between Then it is connected by wireless transmission 3 of iEEE802.ll standard. Through independent MPEG-2 hardware coding system] Receive from computer 4 or video home 5 signal, and then transmits the signal to the standard receiving device 2 capable of decoding MPEG-2 data by software or hardware through the wireless transmission method of the IEEE 802.11 standard. After receiving the signal, the standard receiving device 2 will display the signal. On a display device such as a projector 6 or an LCD monitor 7 or a television 8. Please refer to FIG. 2 for a system architecture diagram of an independent MPEG-2 hardware encoding system with a VGA interface according to the present invention, which mainly includes: an image Input device 11, the image input device has two interfaces of computer image input (VGA) and A / V terminal (Composite) image input. After the two input signals are pre-processed, they are respectively connected to a video decoder (Video Decoder) for processing. After color space conversion processing (c0100r Space Conversation), it is output to the audio and video encoding and compression device for MPEG-2 image compression processing; a sound effect input device 12, the sound effect input device 12 includes an A / v terminal (c 〇mp〇site) audio input interface, divided into left and right channels two signals, after pre-processing and digital processing, output to the audio and video encoding and compression section for MPEG-1 audio compression processing; an MPEG-2 image Encoder 13. The mpeg-2 image encoder synchronously receives the image and sound effect signals from the image input device 11 and the sound effect input device 12, and performs the above-mentioned MPEG standard compression processing on the received image and sound effect signals, respectively. Finally, According to the settings, Video / Audio streams that conform to the MPEG standard are sent to the memory temporarily through the PCI bus M; a central controller 15, which is mainly used for related control, data setting and access to the entire system. Built-in PCI bridge n j51 and network MAC 152, ρα bridge 151 can be used to control and send data through PCI bus 14, and the network mac function is magic 2, then: if needed, plus wired / wireless Ethernet The physical circuit 16 can be equipped with wired or wireless network functions, so that the image and audio signals temporarily stored in the body can be added, installed, and installed by the central control according to the network protocol, and then through the network physical interface circuit 16 Transfer the data out by wire or wirelessly. Please refer to FIG. 3, which is an image input device of the present invention with a VGA interface independent MpEG_2 hardware coding 200531527 system, and the input source can be a computer 4 or a general TV 5 (such as a DVD player, etc.) ), If it is computer 4, it can be connected with VGA input cockroach, if it is general video home appliances 5, you can connect the Vide〇 output port of its A / γ terminal with the ⑽ input port 112 of the video input device; φ The analog video signal input from VGA port needs to be converted to analog luminance and color difference (YC) separation # signal through lake to Y / C conversion circuit 113 first, and then passed through image decoder 114 to be converted into The MPEg encoder inputs the required digital image signal and sends it to the MPEG encoder 13 for encoding. As for the NTSC / PAL composite video signal (composite vide〇signal) from the video wire electronics 5, it directly passes through the image decoder 114, which is converted into a digital image signal and sent to the _ £ () encoder 13 for encoding. 凊 See As shown in Figure 4, it is a block diagram of an independent MpEG_2 hardware encoding device with a VG interface in the present invention, and a 'charge-effect input device' block diagram, which includes an A / V terminal (Composite) audio input interface 121 so that it can receive signals from The audio signal of the audio output port of the A / V terminal of general video home appliances. 忒 Audio effect h will first adjust its input level, and pre-process the volume. Equalizing adjustment and finally convert it to digital audio output. , And then send it to the MPEG encoder 13. Please refer to Figure 5, which is the functional architecture diagram of the MPEG encoder with independent MPEG-2 hardware encoding system with VGA interface according to the present invention. After the processor receives the video and audio signals, the video signals are first analyzed and filtered, and then sent to the core for MPEG_2 video encoding, while the audio signals are sent directly to the core for MpEGj or AC3 audio encoding, and then the video is encoded. The coded signals are temporarily stored in the external SDRAM memory, and then the combined compressed signals are arranged according to the settings to become MPEG-2 Program StreampSyTmnsport

Stream (TS) or Elementary Stream (ES) / Packetized Elementary Stream (PES), and then send PS / TS / ES / PES data to system memory or hard disk for storage through PCI interface, waiting for further processing and transmission. The mpeg video transmission data stream can be implemented by the central controller to execute the relevant standard communication protocols, packaged into network packets, and sent by the wired / wireless Ethernet physical circuit using standard communication protocols. The independent MPEG-2 hardware encoding system provided with the VGA interface of the present invention has the following advantages when compared with other conventional technologies: 200531527 * 1. The first MPEG-2 hardware encoding system provides only economic benefits. The terminal interface is used for audio and video equipment input. The application side is limited to audio and video equipment. It is not possible to integrate computer equipment, which is now the majority of multimedia applications. The invention has a computer equipment standard vga interface, and it also provides a Jing terminal interface. Will provide more comprehensive application services. .口 2. The present invention provides a vertical hardware-pure hardware coding system, which is a system that integrates central control, network functions, memory registers, audio and video signal interfaces, and computer vga image interfaces. The current audio and video computer equipment does not do anything at all. Change, or install any crane software, just connect its out-of-signal interface to the relevant Cable here—⑽, you can paste the integrated network function of this system, and send the signal out by wired / wireless network without using it at all Relying on a piece of software and hardware support around the basin, find the video and audio financial efficiency processing system after coding it. ^ The detailed description above is a specific description of a feasible embodiment of the present invention, but this embodiment is not intended to limit the patent translation of the present invention. Any equivalent implementation or change that does not depart from the technical spirit of the present invention should be It is included in the patent scope of this case. "," R, mentioned above, 'This case is not only technically innovative, but also has the above-mentioned effects that are not in the conventional methods, and has fully met the requirements for statutory invention patents that are novel and progressive. When submitting an application, the Office of T is kindly requested to approve this patent application for invention, in order to encourage the invention, and it is a matter of virtue. [Brief description of the drawings] Please refer to the following detailed description of the present invention and the accompanying drawings to further understand the technical content of the present invention and its purpose and effectiveness. The related drawings are as follows: Fig.-The present invention has an independent MPEG interface with a VGA interface. Figure 2 is a diagram of the system architecture of an independent VGA-2 hardware encoding system with a VGA interface according to the present invention; Figure 3 is an image of an independent MPEG-2 hardware encoding system with a VGA interface according to the present invention; Internal block diagram of an input device; Figure 4 is an internal block diagram of a sound input device equipped with an independent MPEG-2 hardware encoding system with VGA interface according to the present invention; 200531527; and Figure 5 is an internal block diagram of an independent MPEG-2 hardware encoding system with VGA interface according to the present invention; Internal block diagram of video compression and output part. [Main representative symbols] 1 MPEG-2 hardware encoding system 11 video input 111 VGA interface 112 A / V terminal interface 113 conversion circuit 114 video decoder 12 sound effect input device 121 A / V terminal interface 13 MPEG-2 encoder 14 PCI Bus ^ 15 Central controller 151 PCI bridge 152 Network MAC / 16 Network physical circuit 2 Standard receiving interface 3 Wireless transmission 4 Computer 5 Video home appliances 6 Projector 7 LCD monitor · 8 TV 10

Claims (1)

200531527 Scope of patent application: 1. An independent MPEG-2 hardware encoding system with VGA interface, including an image input device that can receive image signals. After the signals are decoded by the image decoder, they will be transmitted through Color space conversion processing, and finally output to the audio and video encoding and compression device for image compression processing; an audio input device that can receive audio signals, and after the signal is pre-processed and digitally processed, output to the audio and video encoding and compression section for MPEG-1 Audio compression processing; An MPEG-2 video encoder that synchronously receives video and audio signals from video input devices and audio input devices, and performs standard compression processing on the received video and audio signals, respectively. Finally, it will comply with MPEG Standard video and audio signals are sent to the memory temporarily through the PCI bus; a central controller, which is mainly responsible for the related control, data setting and access of the entire system, making the temporarily stored video and memory in the memory The sound signal can be packaged and combined by the central controller according to the network protocol, and then through the network physical interface A wired or wireless manner, material resources transmitted. '2 · Independent mpeG, 2 hardware coding system with VGA interface as described in item 1 of the patent scope of the application, wherein the image input device has a computer image input (VGA) and A / V terminal (c〇mp〇site) There are two types of interfaces for image input. After the two input signals are pre-processed, they are connected to the image decoder for processing. 3. · The independent mpegj hardware coding system with VGA interface as described in item 2 of the scope of the patent application 'where the video input device receives an analog signal from a computer, it will be input through the VGA port, an analog RGB video 彳 § number' The RGB video signal is converted into an analog luminance and color difference (YC) separation signal through an rgb to Y / C conversion circuit, and then passed through an image encoder to be converted into a digital image signal that meets the input requirements of the MPEG encoder, and then sent to MpEG β encoder encoding. 4. The independent MPEG-2 hardware encoding system with a VGA interface as described in item 2 of the scope of the patent application, wherein if the image input device receives NTSC / PAL composite video 200531527 from a video home appliance, it will pass through the video editor. ; Send it to the Qianyang encoder for coding. 5 · As described in item No. of the scope of patent application, it has 乂 08 interface independent 1 ^] ^ (^ 2 hardware coding system: where the sound effect input device includes A / V terminal sound effect input interface, making it divided into left and right Two channels of signals. 6. The independent MPEG-2 hardware coding system with VGA interface as described in the first item of the scope of patent application, where the audio input device first adjusts the input level of the received signal, and The volume is adjusted for equalization and other pre-processing. 7. The independent MPEG-2 hardware encoding system with VGA interface as described in the first item of the scope of patent application, where the central controller has a built-in PCI bridge and network mac function. The PCI bridge can be used to control and send data through the PCI bus, and the network MAC function can be equipped with wired / wireless Ethernet physical circuits as needed to provide wired or wireless network functions. 8 · As described in item 1 of the scope of the patent application, an independent haze_2 hardware encoding system with a VGA interface is used. When the MPEG-2 encoder receives the image and sound effect signals, it will first analyze and filter the image signal before sending it. To the core to do MPEG-2 video Code, and the sound effect signal is ^ sent to the core for MPEG-1 or AC3 sound effect encoding, and then temporarily stores the encoded signal in the external SDRAM memory, and then arranges the combined compressed signal according to the settings to become the MPEG-2 Program Stream (PS) / Transport Stream (TS) or Elementary Stream (ES) / Packetized Elementary Stream (PES), and then send PS / TS / ES / PES data to system memory or hard disk for storage via pci interface, waiting for further Processing and φ transmission. 12