DVD (Digital Video Disk) disc player supporting progressive scanning
A progressive scanning, video disc player technology, applied in the field of DVD video disc players, can solve problems such as large-area flicker, interline flicker, etc., to achieve the effect of ensuring quality and reducing bright color interference
Inactive Publication Date: 2012-11-21
广州番禺巨大汽车音响设备有限公司
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Problems solved by technology
The current TV system uses an interlaced scanning system, and the specific system architecture is shown in Figure 1 As shown in , due to the limitations of the conditions at the time, it has several serious defects, such as large-area flickering; interline flickering; parallelism, crawling and edge jaggedness
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[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0027] Implementation of the present invention provides a DVD video disc player that supports progressive scanning, including: a main module for providing a power supply system for the video disc player, a video drive output part and various interfaces; a core unit assembly module for providing optical head amplification signal, to complete the control of disc entry and exit, laser signal reading, amplification, and motor drive functions; the front-end p...
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The embodiment of the invention discloses a DVD (Digital Video Disk) disc player supporting progressive scanning, which comprises a main module, a front end processing module, a decoding module, an operation I / O (Input / Output) module and a progressive scanning processing module, wherein the decoding module is used for decoding the MPEG (moving picture experts group) signal of the DVD to obtain video and audio signals; the operation I / O module is used for completing the input / output driving of input and output interfaces, a remote control, a display screen and the like of the DVD disc player; and the progressive scanning processing module is used for completing the progressive scanning conversion of the decoded video component signal so as to obtain high-quality progressive scanning video output. According to the DVD disc player supporting progressive scanning disclosed by the embodiment of the invention, in the progressive scanning processing, the video component signal is selected for the progressive scanning conversion, i.e. the signals of luminance Y and chromatic aberrations CB and CR are used as the video signals for the progressive scanning conversion, the choice is mainly based on that the luminance signal and the chromatic aberration signal are separately processed to reduce the interference of bright colors, and the quality of the progressive scanning conversion is guaranteed.
Description
technical field [0001] The invention relates to the technical field of DVD, in particular to a DVD video disc player supporting progressive scanning. Background technique [0002] DVD is the abbreviation of Digital Video Disc (Digital Video Disc) in English, and it is also the abbreviation of Digital Versatile DISc (Digital Versatile DISc) in English. DVD technology and its series of products (DVD family) began to appear at the end of the 20th century. It is generally called the digital technology and products of the 21st century in the world. It is a revolution in the field of consumer electronics and computer multimedia storage systems. [0003] With the continuous improvement of people's living standards, modern AV household products are gradually entering the homes of ordinary people. DVD player, with its high picture quality, high sound quality, large capacity, multi-function and long playing time, has become the leading new generation of digital audio-visual equipment...
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IPC IPC(8): G11B31/00
Inventor 曾庆法
Owner 广州番禺巨大汽车音响设备有限公司