CN1571503A - Video playing system capable of generating line by line scanning and interlaced scanning visual signal together - Google Patents

Video playing system capable of generating line by line scanning and interlaced scanning visual signal together Download PDF

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CN1571503A
CN1571503A CN 03143609 CN03143609A CN1571503A CN 1571503 A CN1571503 A CN 1571503A CN 03143609 CN03143609 CN 03143609 CN 03143609 A CN03143609 A CN 03143609A CN 1571503 A CN1571503 A CN 1571503A
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signal
video
progressive
interlaced
image
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CN 03143609
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CN1307837C (en
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林子平
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联发科技股份有限公司
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Abstract

The invention relates to image playing system. It includes main frame processor, interleaved signal reconstruction module and view information coding module. The main frame processor is complied with the image signal transmitted from the image storage to generate the corresponding non-interlaced main frame signal. The non-interlaced main frame signal can be generated the non-interlaced format signal by the pre-determinate image processing program at the follow-up. The interleaved signal reconstruction module can be received the non-interlaced format signal, and used the parity interleaving temporary storage form to selectively store the non-interlaced format signal to gain it. The view information coding module is complied with the view information standard of the image display unit to code the non-interlaced format signal and the non-interlaced format signal each to the non-interlaced view information signal and the non-interlaced view information signal accorded with the view information standard of the image display unit. Thus the image display unit can supply the non-interlaced view information signal and the non-interlaced view information signal together to the corresponding image display unit to do image display.

Description

可一起产生逐行扫描与隔行扫描视讯信号的影像播放系统 Video playback system can produce a progressive scan video signal is interlaced with

技术领域 FIELD

本发明涉及一种可一起产生逐行扫描与隔行扫描视讯信号的影像播放系统。 The present invention relates to a video playback system can produce a progressive scan video signal of interlaced together.

背景技术 Background technique

已知的动态影像是由一个一个画面连续地播放、利用人眼的视觉暂留而产生动态影像的效果。 Known motion picture is continuously played by a screen, using the effect of persistence of vision of the human eye to generate a dynamic image. 每一个画面的播放则由画面的左上方为起点,向右横向描绘出一条横线,再开始下一条横线,此即为「扫描线」。 Play the top left of each screen by screen as a starting point, right lateral depict a horizontal line, and then start the next one horizontal line, that is, for "scan lines." 例如已知NTSC规格,即以525条扫描线构成一个画面,其中画面的有效扫描数为483条。 It is known, for example NTSC standard, i.e., 525 scanning lines to form a picture, wherein the picture number of the effective scanning is 483.

电视机、投影机或计算机屏幕等影像显示装置播放影像时,通常可分为两种扫描方式,一种为隔行扫描(interlace scan)的技术,另一种则为逐行扫描(progressive scan)的技术。 When the video playback apparatus TV, projector or computer screen image display, scanning generally be divided into two, one for the interlaced scanning (interlace scan) technique, and the other was progressive scanning (progressive scan) of technology. 隔行扫描技术发展已久,也最常被使用,目前市面上大多数的电视机多是以隔行扫描的方式来播放影像。 Interlacing technology development has been a long time, also the most commonly used, most of the televisions currently on the market are multi-interlaced way to play video. 然而,近年来以逐行扫描来播放影像的需求也日渐增加,因此有些显示装置也设计可利用逐行扫描的方式播放影像。 However, in recent years, in order to play the progressive scan video also the increasing demand, so some display device is also designed ways to take advantage of progressive scan video playback.

隔行扫描是在扫描完第1条线后,紧接而来的并非扫描第2条线,而是以第3、5、7条线的顺序进行扫描,直至第525条线,以完成第一个画面,称为场(field)。 After interlaced scanning in the first line, the scanning is not immediately from the second line, but in the order of lines 3,5,7 scan line until the article 525 to complete the first pictures, referred to as field (field). 然后再回到第二条线,以第4、6、8条线的顺序进行扫描,以完成第二个场。 Then back to the second line, in the order of scanning lines 4, 6, to complete a second field. 因此以隔行扫描所获得看似流畅的画面,实际上是以奇偶交错的扫描方式所构成。 Therefore, in the interlaced scanning the seemingly smooth picture obtained is actually interlaced scanning parity posed.

逐行扫描是以两倍于隔行扫描的扫描速度,以第1、2、3、、、524、525条线的顺序,逐行地进行扫描。 Progressive scanning speed is twice that of the interlaced scanning, the order of article 524, 525, 2, 3 ,,, line, scanning line by line. 逐行扫描的画面,称为帧(frame),也因此较隔行扫描的画面更为细致,但是逐行扫描视讯信号的数据量也通常是隔行扫描视讯信号数据量的两倍以上。 Progressive scan picture, called frames (Frame), and thus more detailed than the interlaced picture, the data amount but also the progressive scan video signal is typically more than twice the amount of video data is an interlaced signal.

请参阅图1,图1为已知影像播放系统10的方块图。 See Figure 1, Figure 1 is a block diagram of a known video playback system 10. 已知影像播放系统10通常设计在一单一芯片内。 Known video playback system 10 is generally designed in a single chip. 已知影像播放系统10是对于由一外部的影像存储器20所输入的影像信号22进行影像处理,以输出一可供显示装置播放的隔行扫描视讯信号11。 Known video playback system 10 is image processing for a video signal from an external image memory 20 of the input 22 to output an interlaced video signal to display the playback apparatus 11. 影像播放系统10包含一隔行格式画面处理器12以及一视讯编码器14。 The system 10 includes a video playback picture interlace format a video processor 12 and encoder 14. 隔行格式画面处理器12从影像存储器20中,以符合隔行扫瞄的方式对影像信号22进行读取,并传送至视讯编码器14之中,进行低通滤波、亮度调整、色度调整以及对比度调整等以便利于影像调整的处理,并将该隔行格式信号编码成符合该影像显示装置的视讯规格的隔行视讯信号11。 Interlace format image processor 12 from the image memory 20, to conform to the interlaced scanning video signal 22 is read and sent to the video encoder 14 in, low-pass filtering, brightness adjustment, chroma adjustment, and contrast adjustment to facilitate processing of the image adjustment, and the signal is encoded into interlaced format matches the video image display apparatus specifications interlaced video signal 11.

请参阅图2,图2为由图1的隔行视讯信号11转换成一逐行视讯信号31的示意图。 Please refer to FIG. 2, FIG. 2 is an interlaced video signal converter 11 of FIG. 1 is a schematic view of a progressive video signal into 31. 欲使可逐行扫描的显示装置以逐行扫描方式呈现影像,则输入的视讯信号需是相对应的逐行视讯信号31。 A video signal display apparatus purports to be a progressive scanning image presented progressive scan, the required input is a video signal corresponding to 31 progressive. 已知影像播放系统10中,将隔行视讯信号11转换成逐行视讯信号31的方法是利用一设置在影像播放系统10外部的隔行逐行转换集成电路13,将隔行视讯信号11中相邻的两扫瞄线信号之间以内插或仿真的方式补入一条扫瞄线信号,即利用内插或模拟的方式将场(field)信号转换为帧(frame)信号,以此方式可将隔行视讯信号11转换成逐行视讯信号31。 Known video playback system 10, the method of converting a progressive video signal is an interlaced video signal 31 using interlace progressive conversion 11 is provided a video playback system 10 outside the integrated circuit 13, 11 adjacent the interlaced video signal interpolate between two scan lines or emulation mode complement signal into a scan line signal, i.e. the use of interpolation or analog manner (field) field signal converted to a frame (frame) signal, interlaced video in this manner can be 11 converts a video signal into a progressive signal 31. 由于隔行逐行转换电路13需设计于影像播放系统10之外的另一芯片之上,制造成本颇高,因而此种方法在实际应用上受到成本的限制。 Since the interlace progressive conversion circuit 13 need to design over the outside of the chip 10 to another video playback system, the manufacturing cost is high, and thus the cost of this method is limited in practical use.

请参阅图3,图3为另一已知影像播放系统30用以产生一逐行视讯信号31的方块图。 Refer to FIG. 3, FIG. 3 is another known video playback system 30 for generating a progressive video signal in block 31 of FIG. 已知影像播放系统30用以产生逐行视讯信号31。 Known video playback system 30 31 for generating a progressive video signal. 已知影像播放系统30亦可设计于一单一芯片之上。 Known video playback system 30 can be designed on a single chip in.

此种已知影像播放系统30除了与对应的影像播放系统10具有相同的功能之外,进一步能根据影像信号22而进行符合逐行扫瞄的影像处理。 Such known video playback system 30 in addition to the corresponding video playback system 10 has the same functions, and can be further processed in line with the progressive scanning video based on the video signal 22. 这是由于画面处理器32内建有内插或仿真的功能,可在读取影像信号22时产生符合逐行扫描的帧信号。 This is due to the picture processor 32 has a built-in function of interpolation or simulation may generate a frame signal conforming to a progressive scan video signal 22 at the time of reading. 除此之外,视讯编码器34进一步可以将来自画面处理器32的信号编码成符合该影像显示装置的视讯规格的逐行视讯信号31。 In addition, video encoder 34 may further encode a signal from the image processor 32 to conform to the progressive video signal of the video image display apparatus 31 of the specification.

请参阅图4,图4为图3的影像播放系统30用以产生隔行视讯信号11的方块图。 Please refer to FIG. 4, FIG. 4 is a video playback system 30 of FIG. 3 is a block diagram for generating an interlaced video signal 11. 值得一提的是,影像播放系统30具有与影像播放系统10相同的功能,也可单独输出隔行扫瞄视讯信号11。 It is worth mentioning that, the image playback system 30 has the same function and the image playback system 10, may be output separately interlacing video signal 11. 当影像播放系统30用以产生隔行扫描视讯信号11时,画面处理器32不使用内插或仿真的功能,以与图1的画面处理器12相同的方式读取影像信号22。 When the image playback system 30 for generating 11, the screen in the same manner as in FIG. 1 processor 12 reads the video signal of the image processor 32 without using interpolation or simulation functions, the interlaced video signal 22. 换句话说,此影像播放系统30的画面处理器12具有两种模式:逐行模式以及隔行模式,因此影像播放系统30可视需求分别输出逐行视讯信号31、或是隔行扫瞄视讯信号11。 In other words, the video playback system 12 of the picture processor 30 has two modes: an interlace mode and progressive mode, the video playback system 30 thus outputs a progressive video visual demand signal 31, 11 or interlacing a video signal .

比较图3及图4的影像播放系统30与图2的影像播放系统10的实施例可以得知,需形成逐行扫描视讯信号31时,影像播放系统30不需要使用外部的隔行逐行转换电路13,因而可以减少制造成本,但影像播放系统30只可以选择性地播放逐行扫描视讯信号31或隔行扫描视讯信号11,却无法使两者一起播放。 Comparative Example video playback system of FIG. 3 and FIG. 4 of the image playback system 30 of FIG. 2 and 10 that may, for an interlace-progressive conversion circuit 31 is formed, the image playback system 30 does not require an external video signal is progressive scan 13, it is possible to reduce the manufacturing cost, but the image playback system 30 may selectively displays the progressive scan video signal is an interlaced video signal 31 or 11, so that the two can not play together.

发明内容 SUMMARY

本发明的目的是提供一单一芯片设计、简单且成本较经济的影像播放系统,并可以一起输出逐行扫描以及隔行扫描两种视讯、以供电视机、投影机等各种影像显示装置来使用。 Object of the present invention is to provide a single-chip design, a simple and cost video playback system more economical, and can be output together two kinds of progressive scan and interlaced scan video, a variety of images for TV, projector, etc. The display device is used .

本发明为一种影像播放系统(video playback system),以用来同时产生一逐行视讯信号与一隔行视讯信号予至少一影像显示装置。 The present invention is an image playback system (video playback system), to be used to simultaneously generate a progressive video signal and an interlaced video signal to the at least one video display device. 该影像播放系统包含有一主画面处理器、一隔行信号产生模块以及一视讯编码模块,其中该隔行信号产生模块包含一亮度(luminance)列缓存器、至少一色度(chroma)列缓存器、以及一控制电路。 The video playback system includes a main screen processor, an interlaced signal generating module, and a video coding module, wherein the interlaced signal generation module comprises a luminance (Luminance) column buffer, at least a chroma (Chroma) column buffer, and a Control circuit. 该主画面处理器(main picture processor)依据影像存储器(memory)所传来的影像信号(video signals),而产生相对应的逐行主画面信号。 The main image processor (main picture processor) to generate a progressive picture signal corresponding to the main image signal based on the image memory (Memory) is transmitted (video signals),. 该逐行主画面信号可于后续经由一预定的影像处理程序,产生逐行信号流。 The progressive main picture signal may be via a subsequent predetermined image processing program, generating a progressive signal stream. 该隔行信号产生模块,可接收该逐行信号流,并使用一奇偶交错的暂存方式选择性地将该逐行信号流储存至列缓存器中,以重建一隔行信号流。 The interlaced signal generating module may receive a stream of the progressive signal, and use a temporary way interleaved parity for selectively storing the progressive signal stream to the column buffer, to reconstruct a stream of an interlaced signal. 该视讯编码模块可依据该影像显示装置的视讯规格,来将该逐行信号流与该隔行信号流分别编码成符合该影像显示装置的视讯规格的该逐行视讯信号与该隔行视讯信号。 The video coding module according to the video standard of the image display device according to the progressive and the interlaced signal streams are encoded into the signal stream in line with the progressive video signal of the video image display apparatus with the specifications of the interlaced video signal. 藉此该影像播放系统可将该逐行视讯信号与该隔行视讯信号一起输出,以使相对应的影像显示装置进行影像显示。 Whereby the image playback system can convert the progressive video signal is output together with the video signal is interlaced, so that the corresponding video display device for image display.

本发明是在已知单一芯片设计的影像播放系统架构下,加入一隔行信号产生模块的设计,使得本发明的影像播放系统可以在不需使用一外部电路的情况下,依然达到一起输出逐行扫描与隔行扫描视讯信号的目的。 The present invention is a video playback system in a single chip design known architecture, a design added interlace signal generating module, so that video playback system of the present invention may be in a case without using an external circuit, with the output Progressive still reached Objective interlaced scan video signal. 因避免了外部电路的使用,本发明可使制造成本大幅下降。 By avoiding the use of an external circuit, the present invention can significantly decrease the manufacturing cost. 采用本发明影像播放系统的影像播放装置,例如:数字激光视盘机(DVD Player),可以以最具成本效益的方式同时输出逐行扫描视讯信号、以及隔行扫描视讯信号,因此当该数字激光视盘机需要同时外接一个只接受隔行扫描视讯信号的第一影像显示装置(例如:电视机)、以及一个可接受逐行扫描视讯信号的第二影像显示装置(例如:投影机、或是高阶电视机时),两个影像显示装置均能同时发挥其最高效能。 Using the video playback apparatus video playback system according to the present invention, for example: a digital laser video disc (DVD Player), can simultaneously output progressive scan video signal, and an interlaced video signal in the most cost-effective, and therefore when the digital laser disc player requires when the projector, TV or higher order: a first image while an external video signal only accept an interlaced display device (e.g.: TV), a video and a second video signal pharmaceutically progressive scan display device (e.g. ), two image display devices can simultaneously exert its maximum efficiency.

关于本发明的优点与精神可以藉由以下的发明详述及所附图式得到进一步的了解。 The advantage and spirit of the appended drawings the present invention may be further understood by the following detailed description of the invention and.

附图说明 BRIEF DESCRIPTION

图1为已知影像播放系统10的示意图;图2为由图1的隔行视讯信号11形成一逐行视讯信号31的装置示意图;图3为已知的影像播放系统30的示意图;图4为图3已知影像播放系统30用以产生隔行视讯信号11的示意图;图5为本发明的影像播放系统50的示意图;图6为图5的影像播放系统50单独输出隔行视讯信号11的示意图;图7为本发明的另一实施例影像播放系统90的示意图;图8为图5的隔行信号重建模块60使用的奇偶交错的暂存方式示意图。 FIG 1 is a schematic diagram of a known video playback system 10; means a schematic view of a progressive video signal of an interlaced video signal 31 in FIG. 2 is formed by 11 of FIG. 1; FIG. 3 is a schematic diagram of a known video playback system 30; FIG. 4 is a Figure 3 a schematic view of a known video playback system 30 11 for generating an interlaced video signal; FIG. 5 schematic view of an image playback system 50 of the present invention; FIG. 6 is a schematic diagram of an image playback system 11 of FIG. 5 is an interlaced video signal 50 individual output; 90 a schematic view of another embodiment of the image playback system of the present invention, the embodiment of FIG. 7; FIG. 8 a schematic view of an interlaced parity temporary mode signal reconstruction module 60 of FIG. 5 is used interleaved.

图9为本发明的隔行信号重建模块60示意图;和图10为图5的影像播放系统50使用一外部逐行信号流86示意图。 Interlace signal reconstruction module 60 in FIG. 9 is a schematic view of the present invention; and FIG. 10 is a video playback system 50 of FIG. 5 using an external signal 86 a schematic view of a progressive flow.

附图标号说明10,30:已知影像播放系统 11:隔行视讯信号13:隔行逐行转换电路 14,34:视讯编码器20:影像存储器 22:影像信号32:画面处理器 50,90:影像播放系统52:主画面处理器 54:辅助画面处理器56:混合器 58,96,98:前级处理器60,92:隔行信号产生模块 61:亮度列缓存器62:视讯编码模块 63:逐行视讯编码模块64:隔行视讯编码模块 65:第一色度列缓存器 Reference numerals 10, 30: Known video playback system 11: an interlaced video signal 13: Interlace-Progressive conversion circuit 14, 34: Video encoder 20: image memory 22: the video signal 32: image processor 50, 90: Imaging playback system 52: main picture processor 54: the auxiliary image processor 56: 58,96,98 mixer: pre-processor 60, 92: 61 interlaced signal generating module: the luminance buffer 62 column: video encoding module 63: by video encoding module row 64: interlaced video encoding module 65: a first buffer column chroma

66:子画面译码器 67:第二色度列缓存器68:视控显示选单处理器 69:控制电路72:低通滤波器 74:亮度调整器76:色度调整器 78:对比度调整器80:逐行主画面信号 81:隔行主画面信号82:逐行子画面信号 83:隔行子画面信号84:逐行OSD信号 85:隔行OSD信号86,93:逐行信号流 88,94:隔行信号流96:逐行隔行视讯信号共生装置具体实施方式请参阅图5,图5为本发明的影像播放系统50的方块图。 66: sub-picture decoding unit 67: second chrominance buffer 68 column: video control menu display processor 69: control circuit 72: low-pass filter 74: the brightness adjuster 76: chrominance adjuster 78: Contrast adjustment device 80: primary progressive picture signal 81: the main picture interlace signal 82: a progressive sub-picture signal 83: interlaced sub-picture signal 84: a progressive signal OSD 85: 86, 93 interlaced OSD signal: a progressive signal stream 88, 94: interlacing signal flow 96: progressive interlaced video signal symbiotic apparatus DETAILED DESCRIPTION Referring to FIG 5, video playback system of Figure 5 of the present invention, a block 50 of FIG. 影像播放系统50包含一主画面处理器52、一辅助画面处理器54、一混合器56、一前级处理器58、一隔行信号产生模块60以及一视讯编码模块62。 Video playback system 50 includes a main screen processor 52, a secondary screen processor 54, a mixer 56, a pre-processor 58, an interlace signal generation module 60, and a video coding module 62. 辅助画面处理器54包含一子画面译码器66以及一视控显示选单处理器68。 Secondary screen processor 54 comprises a sub-picture decoder 66 and a video control processor 68 to display the menu. 前级处理器58包含一低通滤波器72、一亮度调整器74、一色度调整器76以及一对比度调整器78。 Pre-processor 58 comprises a low-pass filter 72, a brightness adjuster 74, a regulator 76 and a chrominance contrast adjustment 78.

影像播放系统50,用来一起产生一逐行视讯信号31与一隔行视讯信号11予至少一影像显示装置,以进行影像显示。 Video playback system 50 for generating a progressive video signal 31 together with a video signal 11 to interlace at least a video display device for image display.

如图5所示,主画面处理器52,可依据影像存储器20所传来的影像信号22,而产生相对应的逐行主画面信号80。 5, the main screen processor 52, the image memory can be based on a video signal 20 transmitted 22, and generate a corresponding main picture signal is a progressive 80. 影像信号20若为隔行形式,则主画面处理器52将影像信号22进行相邻扫描线间的内插或模拟而产生逐行主画面信号80。 If the video signal 20 is interlaced form, the main picture video signal processor 52 within 22 interposed between adjacent scan lines or analog signals to generate a progressive main picture 80. 影像信号20若为逐行形式,则不需要此内插或仿真的程序,而可由主画面处理器52产生逐行主画面信号80。 When the progressive video signal in the form of 20, this is not required interpolation or simulation procedures, while the main picture by the main processor 52 generates a progressive picture signal 80. 逐行主画面信号80包含有欲播放影像的主画面的影像数据。 Progressive picture signal 80 includes the main video data with a video to be played in the main screen. 逐行主画面信号80经一预定的影像处理程序,产生一逐行信号流86。 Primary progressive picture signal 80 via a predetermined image processing program 86 generates a progressive signal stream.

该预定的影像处理程序经由辅助画面处理器54、混合器56以及前级处理电路58而加以进行。 The predetermined image processing program via the auxiliary screen processor 54, a mixer 56 and a pre-processing circuit 58 to be performed.

辅助画面处理器54包含子画面(Sub-picture)译码器66以及视控显示选单(On Screen Display,OSD)处理器68。 Secondary screen processor 54 comprises a sub-picture (Sub-picture) encoder 66 and a video control menu display (On Screen Display, OSD) processor 68. 子画面译码器66依据影像信号22,以译码成相对应的逐行子画面信号82。 66 based on the sub-picture decoder 22 for decoding into the corresponding row of the sub-picture video signal 82. 视控显示选单处理器68依据影像信号22,产生相对应的逐行OSD信号84。 Video control menu display processor 68 according to the image signal 22, generates the OSD signal corresponding to 84 progressive. 逐行子画面信号82中包含有可迭加在主画面上的子画面(如字幕、商标、、、等)的影像数据。 Progressive sub-picture signal 82 contains main picture may be superimposed on the sub picture (e.g., subtitles, etc. ,,, trademark) video data. 逐行OSD信号84包含有以利于操作影像播放系统50的视控显示选单(On Screen DisplayMenu,OSD Menu)的影像数据。 Progressive OSD signals 84 to facilitate operating the video player with video control system 50 to display the menu video data (On Screen DisplayMenu, OSD Menu) a. 混合器56则将逐行子画面信号82以及逐行OSD信号84与逐行主画面信号80进行信号的混合,进而传送至前级处理电路58中进行影像的处理与调整。 82 and 84 and the OSD signal progressive primary progressive picture signal mixer 56 will be a progressive sub-picture signal is mixed signal 80, and then transmitted to the pre-processing circuit 58 for processing the image adjustment.

如图5所示,前级处理电路58包含一低通滤波器(lowpass filter)72、一亮度调整器(brightness adjuster)74、一色度调整器(color adjuster)76以及一对比度调整器(contrast adjuster)78。 5, the pre-processing circuit 58 comprises a low pass filter (lowpass filter) 72, a brightness adjustment (brightness adjuster) 74, a chrominance adjuster (color adjuster) 76, and a contrast adjuster (contrast adjuster ) 78. 逐行主画面信号80经信号的混合后,进一步由前级处理电路58可进行低通滤波、影像亮度、色度以及对比度的调整,而产生逐行信号流86。 Primary progressive picture signal 80 after the mixed signal, further processed by pre-processing circuit 58 may perform low-pass filtering, image brightness, color and contrast adjustments 86 generates a progressive signal stream.

隔行信号产生模块60,可接收逐行信号流86,并使用一奇偶交错的暂存方式选择性地将该逐行格式信号储存至内部的列缓存器中,以重建一隔行信号流88。 Interlace signal generation module 60, may receive a progressive signal stream 86, using a temporary manner parity interleave for selectively storing the progressive format signal to the interior of the column buffer, to reconstruct an interlace signal stream 88. 请参考图9,图9为本发明的隔行信号产生模块60示意图。 Please refer to FIG. 9, FIG. 9 of the present invention, an interlaced signal generating module 60 schematic. 本实施例是采用亮度(Luminance)、色度(Chrominance)的色彩表示格式,Y表示亮度值,C表示色度值(C包含CB及CR,分别表示第一及第二色度值)。 This embodiment is the use of luminance (Luminance), chroma (Chrominance) format represents a color, Y represents a luminance value, C represents chroma value (C containing CB and CR, respectively, the first and second chrominance values). 因此隔行信号产生模块60内部包含了亮度列缓存器61以暂存亮度信息;第一色度列缓存器65、第二色度列缓存器67以暂存色度信息;以及一控制电路69以控制亮度、色度信息的存取。 Thus 60 internal interlaced luminance signal generation module comprising a column buffer 61 temporarily stores luminance information; a first chrominance buffer 65 column, the second column chrominance buffer 67 temporarily stores the chrominance information; and a control circuit 69 controlling access luminance, chrominance information. MPEG-2中定义了三种取样格式,分别为4∶2∶0取样格式、4∶2∶2取样格式、及4∶4∶4采样格式,分别表示三种不同的色度取样频率,此为业界人士所已知。 MPEG-2 defines three types of sampling format, respectively 4:2:0 sampling format, 4:2:2 sampling format, and 4:4:4 sampling format, represent three different chrominance sampling frequency, this the industry is known. 因此隔行信号产生模块60内可设置有一个或两个色度列缓存器来暂存色度信息。 Thus the interlaced signal generation module 60 may be provided with one or two columns chrominance buffer for temporarily storing chrominance information.

如图5所示,视讯编码模块62包含有一逐行视讯编码模块63与一隔行视讯编码模块64。 5, the video coding module 62 includes a progressive video interlaced encoding module 63 with a video coding module 64. 逐行视讯编码模块63与隔行视讯编码模块64可将逐行信号流86与隔行信号流88分别编码成符合该影像显示装置的视讯规格的逐行视讯信号31与隔行视讯信号11。 Progressive video encoding module 63 and encoding module 64 may be an interlaced video signal to a progressive signal stream 86 and stream 88 are interlaced encoded video to conform to the specifications of the image display apparatus 31 progressive video signal interlaced video signal 11.

藉此该影像播放系统可将逐行视讯信号31与隔行视讯信号11一起输出,以使相对应的一个或是多个影像显示装置可以进行影像显示。 Whereby the image playback system 31 may be a progressive video signal with interlaced video signal output 11, so that the corresponding one of the plurality of image display devices or image display can be performed.

在此需要特别说明的是,本发明所谓的「一起(together)」是考虑信号间的转换过程可能造成逐行视讯信号31与隔行视讯信号11并非「同时(simultaneous)」产生。 In need of special note, the present invention so-called "together (together)" is considering the conversion process between signals may cause progressive video signal 31 "at the same time (simultaneous)" produces interlaced video signal 11 is not. 换句话说,无论逐行视讯信号31与隔行视讯信号11被产生的时间点是否相同,可「一起」产生逐行扫描视讯信号31与隔行扫描视讯信号11予影像显示装置进行影像显示播放的影像播放系统皆应涵盖于本发明的权利要求的范畴内。 In other words, whether a time point a progressive video signal 31 is interlaced video signal 11 is generated are the same, can "together" means to generate an image broadcast video signal is a progressive scan video display 31 interlaced video signal to the video display 11 playback system are intended to be included within the scope of the present invention as claimed in claims. 图5所示的影像播放系统50中,主画面处理器52、子画面译码器66、以及视控显示选单处理器68三者皆是以符合逐行扫描的方式来运作。 Video playback system 50 shown in Figure 5, the main screen processor 52, the sub-picture decoder 66, and the video control menu displaying all three-processor 68 by way of line with the progressive scanning to operate. 相较于图3及图4所示的已知影像播放系统30只可以选择性地输出逐行扫描视讯信号31或隔行扫描视讯信号11,无法使两者一起播放。 Compared to FIG. 3 and FIG. 4 of the known video playback system 30 or 31 can selectively output an interlaced video signal is a progressive scan video signal 11, so that the two can not play together. 本发明影像播放系统50以一隔行信号重建模块60,使用一奇偶交错的暂存方式,而最终能使逐行扫描视讯信号51与隔行扫描视讯信号11一起输出。 Video playback system of the present invention is an interlace signal 50 to a reconstruction module 60, using a temporary embodiment of the parity interleave, and ultimately make the progressive scan video signal is an interlaced video signal 51 and outputs 11 together.

请参阅图6,图6为图5的影像播放系统50单独输出隔行视讯信号11的方块图。 Refer to FIG. 6, FIG. 6 is a video playback system 50 of FIG. 5 a block diagram of the interlaced video individual output signal 11. 本发明的影像播放系统50除了可使逐行视讯信号31与隔行视讯信号11一起输出之外,亦可单独输出隔行视讯信号11。 Video playback system 50 according to the present invention can in addition to a progressive video signal 31 output interlaced video signal 11 together with the outside, can output the interlaced video signal 11 alone. 当利用影像播放系统50单独输出隔行视讯信号11时,主画面处理器52不进行相邻扫描线间的内插或模拟的处理。 When an interlaced video signal 50 individual output 11, main picture processor 52 does not perform interpolation processing between adjacent scan lines or analog video playback system using. 主画面处理器52、子画面译码器66、以及视控显示选单处理器68分别以符合隔行扫描的方式运作,依据影像信号22,产生一隔行主画面信号81、一隔行子画面信号83、以及一隔行OSD信号85。 Main screen processor 52, the sub-picture decoder 66, and the video control menu display processor 68 are interlaced manner consistent with the operation, according to the image signal 22, generating a main picture interlace signal 81, a sub-picture interlace signal 83, 85 and an OSD signal interlace. 此实施例同于图4的已知技术。 In this embodiment, with FIG. 4 of the known art. 在此实施例下,隔行信号产生模块60以及逐行视讯编码模块64并无作用。 Under this embodiment, an interlace signal generation module 60, and progressive video coding module 64 no effect.

请参阅图7,图7为本发明的另一实施例影像播放系统90的方块图。 Please refer to FIG. 7, block diagram of a video playback system 90 according to another embodiment of the present invention. FIG. 7. 图7的影像播放系统90与图5的影像播放系统50主要差别在于隔行信号产生模块92电路位置的配置。 Video playback system of Figure 7 the video playback system 90 of FIG. 5 and 50 of the main difference is an interlaced signal generation circuit configuration module 92 location. 隔行信号产生模块92将混合器56所传来的逐行信号流93使用一奇偶交错的储存方式选择性地将该逐行格式信号储存起来,以得出隔行信号流94。 Interlace signal generation module 92 to the mixer 56 the signal stream 93 coming from a progressive manner using a stored parity interleave for selectively storing the progressive format signals together to derive an interlaced signal stream 94.

如图7所示,逐行信号流93与隔行信号流94分别经由前级处理器96与前级处理器98进行低通滤波、影像亮度、色度以及对比度的调整。 As shown in FIG 7, a progressive signal and an interlaced signal stream 93 stream 94, respectively low-pass filtering, image brightness, chroma, and contrast adjustment and the processor 96 via the front-stage pre-processor 98. 进而由逐行视讯编码模块63与隔行视讯编码模块64将逐行信号流93与隔行信号流94分别编码成符合该影像显示装置的视讯规格的逐行视讯信号31与隔行视讯信号11。 Further progressive video encoding module 63 by the interlaced video signal encoding module 64 the progressive interlace signal stream 93 and stream 94 are encoded to conform to the specifications of the image display apparatus of a progressive video signal is a video signal 11 31 interlaced video.

比较图5与图7的实施例,可知图5的实施例在使用隔行信号产生模块60产生隔行信号流88之前先进行了低通滤波、影像亮度、色度以及对比度的调整,因此可减少一前级处理电路的使用。 Comparative Example 5 FIG. 7, the embodiment of Figure 5 seen in the use of an interlaced signal generation module generates first interlaced signal streams were low-pass filtering, image brightness, chroma, and contrast adjustment before 8860, thereby reducing a use of the pre-processing circuit. 而仅对于必需分别处理的视讯编码部份分别设计了逐行视讯编码模块63与隔行视讯编码模块64两套电路。 Were treated only necessary for video encoding part are designed progressive video encoding module 63 and module 64 sets of interlaced video coding circuit.

请参阅图10,图10为图5的影像播放系统50使用一外部逐行信号流86示意图。 Please refer to FIG. 10, FIG. 10 is a video playback system 50 of FIG. 5 using an external signal 86 a schematic view of a progressive flow. 在前述的实施例中,影像播放系统50用以播放如VCD、DVD等影像储存媒体中所储存的影像数据。 In the foregoing embodiment, the image playback system 50, such as the video data VCD, DVD and other video storage medium for playing stored. 如图10所示,本发明的影像播放系统50进一步可以利用一外部的逐行信号流86,以一起产生一逐行视讯信号31以及一隔行视讯信号11。 As shown in FIG 10, the image playback system 50 according to the present invention further may utilize an external progressive signal stream 86, a progressive video signal to produce an interlaced video signal 31 and 11 together. 外部的逐行信号流86一般而言来自高阶的有线或无线电视信号,例如,一些体育节目在播放时即采用数据量较大的隔行信号流86,以求运动中画质的品质。 External progressive signal stream 86 generally wired or wireless television signal from a higher order, for example, when playing some sports programming i.e. using a large amount of data interlace signal stream 86, in order to quality motion image quality. 此外,许多城市与国家也正拟将无线电视信号的规格变更为逐行扫描的形式,以符合具有逐行扫描功能的显示装置。 In addition, many cities and countries are also proposed wireless standard television signal is changed to progressive scan form, in order to meet the display device with progressive scan function. 在本实施例中,影像播放系统50的隔行信号产生模块60以及视讯编码模块62可被视为一逐行隔行视讯信号共生装置96,以在读取逐行信号流86的过程中,利用隔行信号产生模块60来产生隔行信号流88,并利用视讯编码模块62将两种信号流编码成隔行视讯信号31与逐行视讯信号11。 In the present embodiment, the image playback system 60, and the interlaced video signal generating module 50, encoding module 62 may be considered a symbiotic progressive interlaced video signal means 96, during the reading of a progressive signal to the stream 86, using the interlace signal generation module 60 to generate an interlaced signal stream 88, and the video coding module 62 using the two signals interlaced video stream is encoded into a progressive video signal 31 and signal 11.

请参阅图8,图8为图5的隔行信号产生模块60使用的奇偶交错的暂存方式示意图。 Refer to FIG. 8, FIG. 8 is a schematic diagram of FIG. 5 interlaced signal generation module 60 using the temporary way interleaved parity. P1为构成一个画面的逐行扫描信号。 P1 is a configuration of a progressive scan picture signal. 将P1的奇数条扫描线信号(P1L1、P1L3、P1L5、、、)保留,偶数条扫描线信号(P1L2、P1L4、P1L6、、、)舍弃。 The odd-numbered scanning line signal P1 (P1L1, P1L3, P1L5 ,,,) retention, the even-numbered scanning signal lines (P1L2, P1L4, P1L6 ,,,) discarded. 保留的信号储存至隔行信号产生模块60内的一个或多个列缓存器。 Signal remains stored interlaced signal to produce one or more column buffer in the module 60. 而由于逐行扫描的速度是隔行扫描的两倍,因此使隔行信号产生模块60以P1一半的频率输出储存的数据以产生一隔行扫描信号I1。 Since the progressive scan rate is twice interlaced, thus interlaced signal generation module 60 to the output data P1 half the frequency of the stored signal to generate an interlace I1. 此即为一个画面的数据的转换。 That is, for converting the data of one picture. 而将构成下一个画面的逐行扫描信号P2的偶数条扫描线信号(P2L1、P2L3、P2L5、、、)保留,奇数条扫描线信号(P2L2、P2L4、P2L6、、、)舍弃。 While the even-numbered scanning lines constituting the signal of a progressive signal P2 next picture (P2L1, P2L3, P2L5 ,,,) retention, the odd-numbered scanning signal lines (P2L2, P2L4, P2L6 ,,,) discarded. 并将保留的信号储存至隔行信号产生模块60内的一个或多个列缓存器。 Retained and stored signal to produce an interlaced signal or a plurality of column buffer in the module 60. 使隔行信号产生模块60以P2一半的频率输出储存的数据以产生构成此画面的隔行扫描信号I2。 So that an interlaced signal generation module 60 to a half frequency output P2 stored data to generate an interlaced signal constituting the picture I2. 再下一个画面则又交替成将奇数条扫描线信号(P3L1、P3L3、P3L5、、、)保留,而将偶数条扫描线信号(P3L2、P3L4、P3L6、、、)舍弃。 Then the next picture in turn alternately to the odd-numbered scanning signal lines (P3L1, P3L3, P3L5 ,,,) retained, while the even-numbered scanning signal lines (P3L2, P3L4, P3L6 ,,,) discarded. 此即为本发明的隔行信号产生模块60使用一奇偶交错的暂存方式选择性地将该逐行格式信号储存起来,以重建一隔行格式信号的方法。 Method interlaced signal generating module 60 of the present invention, namely the use of a parity interleave manner selectively stored temporarily storing the progressive format signal to an interlaced format signal reconstruction. 根据此法可将逐行格式信号86转换为隔行格式信号88。 According to this method can convert the progressive format signal to an interlaced format signal 86 88. 综合以上所述,本发明是在一已知单一芯片设计的影像播放系统的架构下,加入一隔行信号重建模块的设计,使得本发明的影像播放系统可以在不需使用一外部电路的情况下,依然达到同时输出逐行扫描与隔行扫描视讯信号的目的。 Based on the above, the present invention is an image playback system in the framework of a conventional single-chip design, adding an interlaced signal reconstruction module design, so that video playback system of the present invention may be used without the need of an external circuit , while the output is still to achieve the purpose of progressive scan and interlaced video signal. 因避免了外部电路的使用,本发明可使制造成本大幅下降。 By avoiding the use of an external circuit, the present invention can significantly decrease the manufacturing cost.

藉由以上较佳具体实施例的详述,希望能更加清楚描述本发明的特征与精神,而并非以上述所披露的较佳具体实施例来对本发明的范畴加以限制。 Detailed Description of the preferred embodiment by the above specific embodiments, it is desirable to be more clearly describe the characteristics and spirit of the invention, rather than to particular preferred embodiments disclosed above to be limiting the scope of the present invention. 相反地,其目的是希望能涵盖各种改变及具相等性的安排于本发明的权利要求的范畴内。 Conversely, its purpose is to be able to cover various modifications within the scope and equivalence with the arrangement of the present invention as claimed in the claims.

Claims (20)

1.一种影像播放系统,用来一起产生一逐行视讯信号与一隔行视讯信号予至少一影像显示装置,该影像播放系统包含有:一主画面处理器,用于依据一影像存储器所传来的影像信号,而产生相对应的一逐行主画面信号,该逐行主画面信号可于后续经由一预定的影像处理程序,产生一逐行信号流;一隔行信号产生模块,其中包含至少一列缓存器,可接收该逐行信号流,并使用一奇偶交错的暂存方式选择性地将该逐行信号流储存起来,以产生一隔行信号流;以及一视讯编码模块,可依据该影像显示装置的视讯规格,来将该逐行信号流与该隔行信号流分别编码成符合该影像显示装置的视讯规格的该逐行视讯信号与该隔行视讯信号;藉此该影像播放系统可将该逐行视讯信号与该隔行视讯信号一起提供予该影像显示装置以进行影像显示。 1. An image reproduction system for generating a progressive video signal together with at least one interlaced video signal to a video display device, the image playback system comprising: a main picture processor for a transmission according to the image memory to the video signal, generating a progressive signal corresponding to the main picture, the main progressive picture signal may be via a subsequent predetermined image processing program, generating a progressive signal stream; an interlaced signal generating module, which comprises at least a buffer, which may receive a progressive signal stream, and uses a temporary way the parity interleave for selectively storing the progressive signal stream together to generate a stream of an interlace signal; and a video coding module, according to the image may video display device specifications, the progressive signal to the interlace signal stream stream are encoded to conform to the progressive video signal of the video image display apparatus with the specifications of the interlaced video signal; whereby the system displays the image progressive video signal is supplied to the image display apparatus for displaying an image together with the interlaced video signal.
2.一种逐行隔行视讯信号共生装置,用于依据一逐行信号流进而一起产生一逐行视讯信号与一隔行视讯信号予至少一影像显示装置,该逐行隔行视讯信号共生装置包含有:一隔行信号产生模块,其中包含至少一列缓存器,可接收一逐行信号流,并使用一奇偶交错的暂存方式选择性地将该逐行信号流储存起来,以产生一隔行信号流;以及一视讯编码模块,可依据该影像显示装置的视讯规格,来将该逐行信号流与该隔行信号流分别编码成符合该影像显示装置的视讯规格的该逐行视讯信号与该隔行视讯信号;藉此该影像播放系统可将该逐行视讯信号与该隔行视讯信号一起提供予该影像显示装置以进行影像显示。 A progressive interlaced video signal symbiotic means for generating a further video signal to a progressive video signal with the interlace progressive signal according to a predetermined flow of at least a video display device, the interlace progressive video signal comprising means Symbiosis : an interlace signal generating module, which comprises at least a buffer, a progressive signal stream may be received, using a temporary manner selectively parity interleave the stored progressive signal stream to generate a stream of an interlace signal; and a video coding module, the video can be based on the specifications of the image display apparatus, the progressive signal to the interlace signal stream stream are encoded to conform to the progressive video signal of the video image display apparatus with the specifications of the interlaced video signal ; whereby the image playback system can convert the progressive video signal to the image display apparatus for displaying an image together with the interlaced video signal.
3.如权利要求1所述的影像播放系统,其中该影像播放系统还包含一辅助画面处理器以及一混合器,该辅助画面处理器包含:一子画面译码器,依据该影像存储器的影像信号,以译码成相对应的逐行子画面信号;以及一视控显示选单处理器,依据该影像存储器的影像信号,以产生相对应的逐行OSD信号;其中该混合器会将该逐行子画面信号以及该逐行OSD信号与该逐行主画面信号进行信号的混合。 Video playback system according to claim 1, wherein the system further comprises a video playback picture processor and a secondary mixer, the auxiliary image processor comprising: a sub-picture decoder according to the image memory of the image signal to decoded into sub-picture corresponding to a progressive signal; and a video control processor to display the menu, according to the image signal of the image memory to generate an OSD signal corresponding to a progressive; wherein the mixer will by the mixed-signal sub-lines of the progressive picture signal and the OSD signal to the main progressive picture signal.
4.如权利要求2所述的影像播放系统,其中该影像播放系统还包含一前级处理电路,以将所输入的信号进行影像的处理与调整,该前级处理电路包含一低通滤波器、一亮度调整器、一色度调整器以及一对比度调整器。 4. The video playback system according to claim 2, wherein the playback system further comprises a video pre-processing circuit, the signal input to the image processing and adjustment, the pre-processing circuit comprises a low pass filter , a brightness adjustment, a chrominance adjuster and a contrast adjuster.
5.如权利要求4所述的影像播放系统,其中该预定的影像处理程序是将该逐行主画面信号经由该混合器混合,并且经由该前级处理电路处理与调整。 5. The video playback system of claim 4, wherein the predetermined image processing program is mixing the progressive picture signal via the main mixer through the adjustment processing and pre-processing circuit.
6.如权利要求1所述的影像播放系统,其中该视讯编码模块包含一逐行视讯编码模块以及一隔行视讯编码模块。 The video playback system as claimed in claim 1, wherein the module comprises a video encoder module, and a progressive video coding interlaced video encoding module.
7.如权利要求6所述的影像播放系统,其中该隔行视讯编码模块并会于后续将所储存的信号以该逐行信号流一半的频率读出而产生该隔行信号流。 7. The video playback system according to claim 6, wherein the encoding module and the interlaced video signal will be stored for subsequent read out at half the frequency of the progressive signal stream generating the interlaced signal stream.
8.如权利要求1所述的影像播放系统,其中该逐行信号流系由多个帧信号所组成,而所述帧信号是由多条扫描线信号所组成。 8. The video playback system according to claim 1, wherein the signal stream based progressive signal composed of a plurality of frames, and the frame signal is a signal by a plurality of scan lines composed.
9.如权利要求8所述的影像播放系统,其中该奇偶交错的暂存方式是指该隔行信号产生模块会对于所接收的相邻的一第一与一第二帧信号进行下列信号处理:对于该第一帧信号只储存其中奇数条扫描线信号,而对于该第二帧信号只储存其中偶数条扫描线信号。 9. The image playback system according to claim 8, wherein temporarily storing the parity interleave mode is the interlace signal generating means perform the following signal processing module for received adjacent to a first and a second frame signal: for the first frame signal wherein only odd-numbered scan lines stored signal, and for storing the second frame signal wherein only the even-numbered scanning signal lines.
10.如权利要求8所述的影像播放系统,其中该奇偶交错的暂存方式是指该隔行信号产生模块会对于所接收的相邻的一第一与一第二帧信号进行下列信号处理:对于该第一帧信号只储存其中偶数条扫描线信号,而对于该第二帧信号只储存其中奇数条扫描线信号。 10. The video playback system according to claim 8, wherein temporarily storing the parity interleave mode is the interlace signal generating means a first module with a second signal following signal processing to the frame adjacent the received: for the first frame signal wherein only the even-numbered scanning lines stored signal, and for storing the second frame signal wherein only odd-numbered scan line signal.
11.如权利要求1所述的影像播放系统,其中该影像播放系统可连接至两个不同的影像显示装置,而该影像播放系统所产生的该逐行视讯信号与该隔行视讯信号可分别传送给上述两个影像显示装置以进行影像显示。 11. The video playback system according to claim 1, wherein the image playback system can be connected to two different image display apparatus, and the progressive video signal of the video player may be generated by the system are interlaced with the transmitted video signal to said two video display device for image display.
12.如权利要求1所述的影像播放系统,其中该隔行信号产生模块中的所述列缓存器为一亮度列缓存器与至少一色度列缓存器;该色度列缓存器的数量视色度取样频率与亮度取样频率比的不同而决定。 12. The video playback system according to claim 1, wherein said signal generation module in the interlaced column buffer to a luminance buffer and at least one column of the chroma column buffer; the number of chroma column buffer depends on color the sampling frequency of the sampling frequency ratio of the luminance difference is determined.
13.一种利用一隔行信号产生模块而使一影像播放系统可一起产生一逐行视讯信号与一隔行视讯信号予至少一影像显示装置的方法,该影像播放系统包含有该隔行信号产生模块,其中包含至少一列缓存器;以及一视讯编码模块,可依据该影像显示装置的视讯规格,来将一逐行信号流与一隔行格信号流分别编码成符合该影像显示装置的视讯规格的该逐行视讯信号与该隔行视讯信号;该方法包含下列步骤:在该逐行信号流尚未经由该视讯编码模块进行编码之前,将该逐行信号流利用一奇偶交错的暂存方式选择性地储存于该隔行信号产生模块中,以产生该隔行信号流;以及将该逐行信号流与该隔行信号流分别编码成该逐行视讯信号与该隔行视讯信号;藉此该影像播放系统可一起产生该逐行视讯信号与该隔行视讯信号予该影像显示装置以进行影像显示。 13. An interlaced signal by using a generation module so that an image playback system can generate a progressive video signal together with a video signal to an interlaced image at least a display device, the image playback system includes the interlaced signal generation module, comprising at least one buffer; and a video coding module, can be based on the video device specifications of the image display to be a progressive signal stream with an interlaced format signal streams are encoded to conform to the by the image display video specification device line video signal and the interlace video signal; the method comprising the steps of: prior to the progressive signal stream has not been encoded by the video coding module, the progressive signal stream in temporary manner a parity interleave selectively stored in the interlaced signal generating module to generate the interlaced signal stream; stream and the progressive signal to the interlace signal stream are encoded into the progressive video signal and the interlace video signal; whereby the image playback system can be produced with the progressive video signal and the interlace video signal to the video display device for image display.
14.如权利要求13所述的方法,其中该影像播放系统依据一外部的影像存储器所传来的影像信号,经由一预定的影像处理程序,而产生该逐行信号流 14. The method as claimed in claim 13, wherein the image playback system according to a video signal coming from the external video memory via a predetermined image processing program, and generate the progressive signal stream
15.如权利要求13所述的方法,其中该视讯编码模块包含一逐行视讯编码模块以及一隔行视讯编码模块。 15. The method according to claim 13, wherein the module comprises a video encoder module, and a progressive video coding interlaced video encoding module.
16.如权利要求15所述的方法,其中该隔行视讯编码模块并会于后续将所储存的信号以该逐行信号流一半的频率读出而产生该隔行信号流。 16. The method according to claim 15, wherein the interlaced video coding module and the subsequent signal will be stored in this half of the frequency of the progressive signal stream read stream generating the interlaced signal.
17.如权利要求13所述的方法,其中该逐行信号流系由多个帧信号所组成,而所述帧信号系由多条扫描线信号所组成。 17. The method according to claim 13, wherein the signal stream based progressive signal composed of a plurality of frames, and the frame-based signals by a plurality of scan lines composed of the signal.
18.如权利要求17所述的方法,其中该奇偶交错的暂存方式是指该隔行信号产生模块会对于所接收的相邻的一第一与一第二帧信号进行下列信号处理:对于该第一帧信号只储存其中奇数条扫描线信号,而对于该第二帧信号只储存其中偶数条扫描线信号。 18. The method of claim 17, wherein temporarily storing the parity interleave mode is the interlace signal generating means of the following module for processing a first signal with a second frame of the received signal adjacent: to the wherein the first frame signal stored only odd-numbered scanning signal lines, and for the storage of the second frame signal wherein only the even-numbered scanning signal lines.
19.如权利要求17所述的方法,其中该奇偶交错的暂存方式是指该隔行信号产生模块会对于所接收的相邻的一第一与一第二帧信号进行下列信号处理:对于该第一帧信号只储存其中偶数条扫描线信号,而对于该第二帧信号只储存其中奇数条扫描线信号。 19. The method of claim 17, wherein temporarily storing the parity interleave mode is the interlace signal generating means of the following module for processing a first signal with a second frame of the received signal adjacent: to the wherein the first frame signal stored only even-numbered scanning signal lines, and for the storage of the second frame signal wherein only odd-numbered scan line signal.
20.如权利要求17所述的方法,其中该隔行信号产生模块中的所述列缓存器为一亮度列缓存器与至少一色度列缓存器;该色度列缓存器的数量视色度取样频率与亮度取样频率比的不同而决定。 20. The method according to claim 17, wherein said signal generation module of the interlaced columns in column buffer to a luminance chrominance register with at least a column buffer; the number of chroma column buffer depends chrominance samples luminance sampling frequency than the frequency difference is determined.
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