TW200532658A - Method for reproducing text subtitle and text subtitle decoding system - Google Patents

Abstract

A method for reproducing text subtitle streams and a text subtitle decoding system are disclosed. An entire subtitle text subtitle file designated in a playlist file and font files related to the subtitle text subtitle file are initially preloaded into a subtitle preloading buffer and a font preloading buffer, respectively, before starting playback of the playlist file. Thereafter, the playlist file is played back in order to reproduce at least one audio/video (AV) stream file further designated in the playlist file and the preloaded text subtitle file simultaneously.

Description

200532658 V. Description of the invention (1) [Technical field to which the invention belongs] One invention relates to optical discs, and more specifically, to a method for reproducing text subtitles recorded on the optical disc morning and a system for decoding text subtitles. [Prior Art] Optical discs are widely used as optical recording media for recording a large amount of data. Objective: Among a variety of optical discs, such as Blu-ray discs (hereafter referred to as ",") and Π 3 咼 density optical recording media (hd) are being developed for recording dental long-term storage of high-definition video and audio materials. f. It is well known that it is the next generation of Blu-ray discs with HD_DVD technology (the standard technical specifications for swollen recording t-balls are being established. As a next-generation optical recording method, the recordable data is significantly better than traditional DVDs and many DVD players. The use of Blu-ray Disc (bd) standards for optical reproduction is in the works. However, because the Blu-ray Disc (BD) standard has not yet been completed, there are many difficulties in developing a complete optical reproduction device. Most particularly, in order to Effectively reproduce the project from the Blu-ray Disc (BD) ;: To :: the structure of the data file recorded on the Blu-ray Disc ⑽), it should also be classified and provided to effectively form and manage the data files: Two days. Firstly, because of the standard of auxiliary data, especially the subtitle information, the current Blu-ray Disc (BD) standard is not completely unified. Multi-limitation: hair: Blu-ray Disc (bd) -based optical reproduction device has some restrictions caused by the u When reproducing and providing the data flow to the user, these limits

Hi Page 6 200532658 V. Description of the invention (2) [Summary of the invention] Correspondingly, the present invention is directed to a text and subtitle decoding system. One of the purposes of the present invention is a French and text subtitle decoder. In the following description, it will be divided into features. For those who have the following content in this technology, it will become obvious. The invention can be realized and obtained through the text description here, patent structure. The method of the subtitle stream includes playing a playlist file before starting to replay the playlist file and then playing the playlist ', and further includes playing a font file related to the playlist file in advance to load another file of the present invention. In one aspect, the method of the sub-cursor stream includes the step of loading a fixed number of text subtitle files in the first register. Some of the methods used to reproduce the text subtitle stream substantially exclude the relevant or Multiple questions. To provide a seamless display of reproduced text subtitle streams. Several sections introduce the advantages of the invention, and for those who have general knowledge in the field, they can learn the scope of the invention and set the goals and advantages specifically pointed out in the illustration. And to achieve these goals and other benefits, a reproduction of the entire text subtitle specified in the playlist is recorded immediately on the first register. At least one pre-loaded text subtitle specified in the playlist file is preloaded immediately. The method can be typed into the second register with the text before the file starts.疋 Play a playlist file that has been recorded on the disc in a multi-language application immediately before starting to replay the playlist file, in order to reproduce the more technical and exploratory methods in the playlist file. In the end, a positive text file, and a more detailed text in the middle of the text means in advance 200532658 V. Description of the invention (3) One of the subtitles of V audiovisual (AV) stream files that are deducted. This method can be used to change the pre-loaded file at the same time before loading the playlist with multiple text subtitles into the second register. The font files related to this sub-screen capture are decoded in advance by the other party of the present invention, which is a text subtitle stream decoding. After playing at least one audiovisual 'pre, load register is configured as specified. Decode text subtitles; decode text subtitle files in files. The decoding system can be stored in the temporary register. F The pre-loaded temporary register can be set to play the AV stream file. It includes: a single character. A font file related to the text subtitle file. In addition, iSl, the other party of the present invention, is pre-loaded with a decoding system for decoding the subtitle stream:: H: j coded text subtitle decoder. Just :: put: = preload multiple text subtitle files: in; = :: The sub-device is configured to be able to multi-language text subtitle files. Text subtitles are also specified for ^ loading a certain text in the subtitle preloading register ^ :: decoding system can be further advanced-including a font preloading temporary storage: stem configuration achievements before playing AV stream files , Preload font files related to multiple text sub-curtain files. A further aspect of the present invention is used to reproduce ΙΕΕ 200532658 recorded on the optical disc. 5. Description of the Invention (4) ____ A disc player for a text subtitle stream includes-a stream decoded audio dema, and-a pair of audio Video decoding section for frequent information stream decoding &, "Curtain: Morning view, preload the whole image "" subtitle file of stream file for interpretation: File = preloaded text file The part can include a subtitle pre-game rhyme Λ :, it is preloaded before the AV stream file is played: = = = pieces, and the text subtitle decoder decodes the text subtitle file with the subtitles preloaded into the temporary storage number. The subtitle decoding part can be further advanced_ Two words = Load the register first, configure the achievement, play the av stream, and include the font files related to multiple text subtitle files in advance. It should be understood that the present invention The above general descriptions are typical and illustrative in nature, and are intended to provide further explanation in a fine range setting. Claimed Patent [Embodiment] Now referring to the best solution of the present invention, Detailed description in the illustration. Whenever possible 'all phases in the illustration = use the same reference number. I knife will make in this detailed description' the master data represents the title recorded by the author belonging to a certain title (for example: a movie Title) Acoustic-Secondary Materials. Usually AV materials are recorded in MPEG2 format and are often referred to as) master AV streams. In addition, auxiliary materials represent all that is needed to reproduce the main material-there are 200532658 five invention notes (5) ^ ^^ ----— __ Other materials, for example: text subtitle stream, human-machine ^ stream and auxiliary audio stream (for example: used to browse two = stream, display graphics data flow can be in MPEG2 format or any complex from '\ These help them can be transmitted with the AV stream in multiple channels, or recorded as a separate format. A certain subtitle representing the title information of the image is re-archived. The language is expressed. For example, the user watching = Commonly = Select an option While viewing multiple characters and multiple characters in multiple languages, k information is displayed on a predetermined portion of the display. ^: When the corresponding title is text data, the subtitle is called a text word: 纟 信息 Ｍ: Multiple text subtitle streams in the format can be recorded on a certain disc ', including text data of subtitles and Li Taizai. Each text subtitle stream t ^^ ϊΐ: f ^ is recorded on the disc. 彳 ° text Yu Muliu can be recorded with 1 file. Figure AZ description is included in the Blu-ray disc 按 according to two, + should be: f test less one _ directory (_V) in the package parent (root). Each BD directory Includes an index file (for example, .mdex.bdmv) and an object file (for example: M〇vle ^ bject.bdmv), which is used with one or more: one piece: to contain an index table, this index table Includes information on the XI & Choice Calendar b and video titles. Each BD directory goes further + Includes four file directories, which include the AV material to be reproduced and various materials required to reproduce the AV material. The file directory enclosed in each BD directory is a stream directory (stre ^

200532658 V. Description of the invention (6) " " -----), a CUpiNF, a playlist (PLAYLIST), and an auxiliary data directory (AUX DATA). & head Includes video / audio (AV) stream files in a special format. As shown in Figure 1 'the recorded AV level can be in the form of a UM EPG 2 transmission packet and is called " * · m 1 s „The stream directory can further include one or more text subtitle stream files. Each text in the text Subtitle stream files include text materials for specific language text subtitles and text control information. Subtitle stream files can be multiplexed with AV streams in stream directory 1 or they can be used as separate stream files within the stream directory Existing. In the latter case, such a separate stream file can be named "< m2ts," or, * .txtst. ,,. Or text subtitle stream files can be included in the auxiliary material directory. Secondly, the clip information directory (CLIPINF) includes clip information files (for example, 0 1 0 0 0 · cipi and 0200 0 · clpi shown in FIG. 1), and it corresponds to those stream files included in the stream directory. . Each clip information file contains the attribute information and timing information of the corresponding stream file. The timing information contains mapping information. It maps and displays the "display time stamp" (pTS) with the source packet number (SPN) using the entry point address. In the industry standard, each stream file and its corresponding clip information file are designated as one clip. For example: 0 1 0 0 0 0 included in CLIPINF clpi includes attributes, timing information of Oiooo.u ^ ts included in STREAM, and 0i00.cipi and 01000.m2ts compose a clip. Referring back to Figure 1, the playlist directory (PLAYLIST) includes one or more playlist files (^ mpls), where each playlist file includes at least one Play Item, which specifies at least one master Av clip and

Page 11 200532658 V. Description of the invention (7) Playing time of the main AV clip. More specifically, a playback project includes specifying the start and end time of the main AV clip (In-Time and Out-Time), which is specified by Clip_Information_File_Name within the play item. Therefore, the playlist file represents basic playback control information for one or more main AV clips. In addition, the playlist file can further include a subplay item (subplay item), which is a kind of basic playback control information for auxiliary materials, such as a certain text subtitle stream file. When the playlist includes a subplay item to play one or more text subtitle streams, the sub-item "SUbPlayltem) is often associated with the play item (piayItem): 显 日 方: When a sub-play item is used to play a certain playable item The browsed sub-play ZZ is missing from the play item. According to the invention, a detailed description is given. For the playback of this Qin machine, Ting will make more changes later. Auxiliary data directory (examples of which have fonts) can include auxiliary data flow, pop-up menu files (no aaaaa font shown in the figure), and material files. ) And early sound (Sound · bdmv) data Figure 2 is the data file of the disc. As shown in the figure, the Guangdan District, which records the file system information area shown in Figure 1, accounts for apricot, including the file system information area and the outermost stream area that occupy the innermost part of the disc. Occupy the information area of the system, and note the database area between the regions. In the text; 'AV stream and or more; system information of the data slot case. Its files, playlist files and clips: The curtain stream is pre-recorded in the stream area. — ^ Λ files are recorded in advance on the disc capacity 200532658 V. Description of the invention (8) = database area. As discussed above, the general file includes a request file and an object file, and playlist file and clip information file, including the record in the stream area, the user required to play the AV stream and the text subtitle stream can select a certain file. A specific replay mode and use the information stored in the library area and / or stream area to play the main and auxiliary streams in the selected replay mode. Fig. 3 is an example of playing the main AV clip and text subtitles according to the present invention. Second, playing control information. :? Playback with main AV clips and text subtitles can be controlled by at least one playlist file. More specifically, the playback of one or more main AV clips of :: title is controlled by at least one play item (piayItem) included in each playlist file. As shown in Figure 3, no, the playback of the main AV clip is controlled by a single play item (piayltem), or by more than one play item (piayItem). In addition, the playback of one or more text subtitle clips is controlled by a certain SubPlayItem included in each playlist file. Although not shown in Figure 3, the playback of an audio clip used to view the slide show and / or the human-computer interactive graphics stream can be controlled by an additional "..." "Seven ㈣ control, this sub play item (SubPUyltem) It can be further included in the playlist file. One can have more than one independent text subtitle clip to support various languages. , And this text subtitle clip is controlled by a single subplay item jSubPlayItem). The font file required when playing a text subtitle clip is specified in the clip information file of the text subtitle clip. According to the present invention, a single subtitle language or multiple subtitles are supported before the playlist file is executed.

Page 13 200532658 V. Description of the invention (9) One or more text subtitles in the language

In order to pre-load in the temporary cry. J Ming. σσ This will be explained in more detail later. Figures 4A and 4B are examples of text subtitles by Gu Ganliyou Yiyi L Shang Gong, # X Α η — 疋, and the absent mind ... The subtitle text of Γ is Korean. The subtitle text r shown in Fig. 4β supports two languages, and two separate records are recorded on the disc. Fig. 5 illustrates the method of playing one or more text subtitle j files according to the present invention. An example. As mentioned above, a playlist file controls one or more AV clips and a text subtitle clip, where each main av clip includes a main AV stream file and a clip information file. The main Av clip is played by the At least one play item (Playltem) included in the playlist file is controlled, and the playback of the text subtitle clip is controlled by a certain sub play item (SubPlayItem) included in the playlist file. Each play item (Play Item) and sub play item ( SubpiayItem) includes indicating the start time and end time of playing the corresponding clip. In one aspect of the present invention, before starting to play a playlist file, The entire text subtitle file and related font files specified in the playlist are immediately pre-loaded into the first register and the second register, thus ensuring the seamless display of the text subtitles. In other words, the file is played during playback ^ The entire text subtitle file and related font files before at least one of the AV stream files specified in the Chinese text. After the text subtitle file is fully loaded into the scratchpad, the playlist file is reproduced so that playback can begin at the same time. The specified AV stream and pre-loaded text subtitle file in the table file. 200532658 Two square-screen stream texts should be used for the time being. When the size is large enough, the font text should be temporarily stored from > 1 > 10) In another aspect of the present invention, multiple text characters are loaded into the first and multi-language applications. The size of the seamless display of this subtitle should be sufficient and all related pieces are not immediately reloaded in advance. The subtitles of this file are displayed seamlessly: 'Begin to reproduce a certain: and the relevant font file register, in which the designated user in the case of various subtitles, in order to immediately store all ^. If the text word device, every The user reads the disc, and the playlist file is immediately switched between text and subtitles. The first and second texts are in the stream file. The text and subtitles may not be used separately. When the file is used in advance, make sure that the text has two temporary subtitle streams and Fonts and streams can ensure that the text is normal. There is a total of 2,000 text subtitles in a large movie of each text subtitle file. For example: There are 2 copies of ten lilacs, and each text has 30 characters. Size, then the size of the text data required for the single + is about 240K bits :: 3; a: the type information of this subtitle and subtitle is 240K bytes, then the total size of the text subtitle stream is about 480K bytes. Therefore, the size of each text subtitle file may be limited, less than or equal to 0.5 million bytes. In order to pre-load a single text subtitle file immediately, the first temporary piano should be larger or dedicated to the size of the sub-screen file. For example: assuming that the size of the subtitle file is approximately 480K bytes, the size of the first register can be greater than or equal to 0.5 million bytes. On the other hand, in order to preload multiple text subtitle files at once, the first register should be larger than or equal to the size of these subtitle files combined. For example: Suppose that the size of each subtitle file is about 480K bytes, and there are 3 subtitle files in total (for Korean, English

200532658 V. Description of the invention (11) f and Japanese) ’The size of the first register should be larger than that! · 5 million bytes. Referring back to Figure 5, a corresponding playlist file is executed. Two more subtitle stream files and related font files are separately: first? Brother-one and second register: used to play main A "Γ pre-play list No. 2 is executed 'all text subtitle stream files are pre-loaded into the first register. Section 6A Figures 6 to 6C are various playback control information for one or several playbacks according to the present invention. A movie object represents a set of navigation commands for a certain title selected by 2 users. Referring to the figure, a certain 榣砀 The movie object controls the playback of the playlist file. The title can be selected by the index table (index taMe) included in the index = piece (mdex.bdmv): it may interact with the user. As shown in Figure 6A, when the playlist When the file is one line), the main AV stream is played by the play item (P1 ay 11em), and the text subtitle stream and related font information are played by the sub play item (SnbPiayItem). According to the present invention, the playlist file is played j :, one or more The text subtitle stream file and related fonts are pre-loaded with a disc to ensure seamless display of text subtitles. P Then refer to Figure 6B. A certain movie object of a certain title controls multiple and plays the table file. For example, by the play table 牝· Controlled one or Multiple subtitle stream files and related font files are pre-loaded and stored in advance, and then playlist No. 1 is executed. During or after execution of playlist No. 1, by the child of playlist No. 2 Play item (SubPlay Item) control, or subtext stream files and related font files can be preset

Page 16 200532658

V. Description of the invention (12) Load the register first and then execute it. Refer to Figure 6C, multiple titles and playlist file groups. At, playback of the file group corresponding to the selected title. One or more text subtitle streams specified for each playlist file are loaded into the register. When the user selects the movie object control for the newly selected title. Similarly, one or more text subtitle streams specified by each playlist file are loaded into the register. Playlist No. 2. Multiple movie objects are used to control multiple users. Each user selects one of the multiple movie objects to control the corresponding playlist. Before the corresponding playlist text is executed, each playlist file refers to the file and the related font file is pre-quoted. Before the corresponding group of the corresponding playlist file is played, the reference file and the related font file in each playlist file are previously described in detail above. The features of the present invention are as follows. Playback of a sub-play item (SubPUyitem) included in a playlist file, one or more text subtitle streams. Third, the entire text subtitle file or one or more text subtitle stream files specified in the playlist file are pre-loaded into the register 'to ensure seamless display of text subtitles on the display. ★ Fig. 7 illustrates an apparatus for decoding an AV stream and a text subtitle stream according to the present invention. The device includes a packet identifier (piD) filter 5 for separating an input stream into a video stream, an audio stream, a graphics stream, and a text subtitle stream according to the packet identifier; a stream for playing a video stream Video decoding section 2 〇; an audio decoding section 1 for audio streaming playback; a graphics decoding section 3 for graphics streaming playback; and a text subtitle decoding section for text subtitle streaming playback

200532658 V. Description of the invention (13) 40 〇 As shown in Figure 7, the text subtitle stream can be extracted from the disc, or it can be input with an additional external source. To do this, install switch 6 of the material registration source. Therefore, if we choose Xuan Taixuan and Xuan Tai, and if you extract an MPEG format, the second switch 6 selects the data line A connected to the filter 5). The double M ^ 2 λ daggers input through an additional external source, and switch 6 selects the data line β connected to the external source. Switch b video decoding section 2 〇, audio Gu Mei $ each includes a transfer temporary storage: 2; solution / dagger 0, graphics decoding section 3 10 of the predetermined size of the data method /. And 31, for storing 3 to be decoded 3 The video decoding part 20 and the graphics decoding part signal are converted into displayable contents respectively; see the second graphics level, which is used to convert the decoding look-up table (CLUT) 34, and the field graphics decoding part 30 includes a color flat. 4. It is used to control the color and transparency of the displayed image. Subtitles; i this; ϊ J :: minute 40 received one or more text registers (SPB) 41 from switch 6. The initial size of the pre-loaded subtitles is approximately 0.5 trillion, and the word = solid 5 is the fixed text of the typical text subtitle stream file. The size of the pre-loaded temporary register 41 should be determined. The total number of subtitle streams j supporting two languages is determined. For example, when the user is displaying seamlessly on the screen, switch the day in the subtitle ^ 'to ensure that a certain text word is 1 million bytes. The size of the word register 41 should be larger than or equal to the size that can be preloaded into the register 41 immediately. The size of the word register 41 must be large enough. In addition, the text is not enough. The sub-screen decoding part 40 further includes a font pre-page 2005200532658 ------- V. Description of the invention (14) J load (FPB) 410 'for storing all related fonts: load 2 memory 41. The size can be within 2 to 4 million bits. , Books, and storage of all Chinese, Japanese, and Korean (CJK) fonts require a size of about 4 million bytes, and support for other non-CJK fonts. Text = usually about 2 million bytes is large enough. Similarly, the size of the pre-loading register 41〇 should be large enough to be able to immediately advance =: Π Ϊ: ί the body file to ensure seamless display support-one or more-= this subtitle stream file = * load ... : Two Π; pre-loading of the temporary register 410 with the font and the control of the screen also when the second loading of the temporary register 42 pre-steps include one text subtitle decoding text subtitles in one or more Each screen stream is transformed into a displayable image: 4 to 3; the word 44 after 22 yards is decoded from the video °-an image superimposed part 50, which is composed of 4 ◦ output image: = 3; and The output of the video plane 23 of the "Subtitle Decoding Unit" section 20: View: Gallery, Show, and from the graphic calculus horse section 30, at the beginning, the graphics of the moonrise are added to the already displayed view 'Wenzi sub-screen Decoding section 40. Shape decoding section 3. The rotation image is human-machine: moving image word = page 19 200532658 V. Description of the invention (15) The text subtitler 52 from part 40 is added to the video image. At the beginning, a first adder and a second adder 53 are added to the image added with the :: interactive image step by step shown in FIG. 7. It is used to decipher / frame a system decoder 4 on the input transport stream. Second play; This subtitle is filled with the necessary information and saved in a record when a specific title related to the playlist is selected-丄:. When the user specifies at least one complete (whole) grammar table file, subtitles are preloaded into the register 41, and the subtitles are :::: the preloaded files are preloaded with the fonts preloaded into the register 410 〃 * ·. For example, when the user selects a title shown in D in Figure 3 and plays a certain title, the text subtitle clips are related to the text subtitle file for N:.: (/ Language) related to the Korean subtitle. Loaded in advance: ΐ [Edit first load in register 41. At the same time, the clips of the text subtitle clip and the font files related to the text subtitle file are preloaded into the temporary register 410 in advance. After that, the playlist starts. During the playback of the body surface, the AV streams of the main AV clips No. 0.1 and 2 are decoded by the audio decoder and the video decoding section 20 respectively, and a selected one is divided into 10 subtitles. This subtitle stream is composed of text subtitles. The decoder 42 decodes. Then decoded the text into the article 200532658 £, invention description (16)

The screen image is added to the decoded φ I 4S and displayed on the display to be a video image, and the entire image is shown in more detailed graphics and synthesis steps in the text subtitle decoder 4 2 In the decomposition step, the text subtitle stream stored in the subtitle preloading archive (SPB) 41 is decomposed into synthetic information and dialogue text materials. To ★ 矣 冲 矣 研 古 Ｍ 4 丄 贝 0 ± (n. M nm ^ ±, some text subtitles, they are "revealed during the scheduled period, and the time period can be displayed with a time stamp (m. In the processing step, using the type information representing the need to process the text data of the dialogue") The text data is processed as bitmap data .... At the end of the synthesis step, the processed text data is based on the synthesis information, and Λ stands for the time information in which the text subtitles are not displayed on the display. Refer to Section 8W, & enclosed in text subtitles The text filer 421 in the decoder 42 preloads the subtitle stream stored in the temporary register 41 into a subtitle stream and synthesizes and processes the message and dialogue text. The synthesis and processing information is then saved in a dialogue synthesizer. It is saved in the temporary register (DCB) 4 and the text data is stored in the dialog register (DB) 422. Next, the text processor 423 will be saved in the dialog temporary cry. Figure 4: Copy control Under the control of the processor 426, it is processed into a dot matrix Fanbei. In order to perform the processing function, the text processor 423 receives the glyph data related to the dialogue text data from the font pre-register 41, and the slave-controller 4 2 6 Receives processing information and connection type information, and information and connection classes applicable to each text string of the dialogue text data. 1 Bei Xun processes the dialogue text data into bitmap data. Thereafter, the processed

Page 21 200532658

4 Array objects are stored in the bitmap object register. V. Description of the invention (17) The text data is (BOB) 424 and finally 'stored in the bitmap object. The photo is displayed by dialogue _ system 5542fi ^ °° 424' Array objects are transferred (added) according to the composition information of the same opening plane 0. Swatches Λ adjust the color and transparency levels output by the graphics plane 43. It will be apparent to those skilled in the art that various modifications and changes can be made to the current invention without departing from the spirit and scope of the invention. Therefore, if they come within the scope and equivalent of the appended patents, the invention also covers modifications and variations of the invention.

Page 22 200532658 Brief description of the drawings Brief description of the drawings] Includes some illustrations for further understanding of the present invention, and they are combined and form a part of this application, the invention: Figure 1 illustrates the The information recorded on the disc is used to explain the principle of the invention. In the figure below, the structure of the stocking material file is shown; Figure 2B is the data storage area of the disc; the first example; Figures 4A and 4B are examples of text subtitles displayed on the display. Fig. 5 illustrates an example of a method for reproducing a text subtitle stream according to the present invention; Figs. 6A to 6C: Various reproduction control information for one or several playlist files;

FIG. 7 illustrates a device for decoding AV stream and text subtitle k according to the present invention; and a more detailed diagram of the curtain decoder 42. FIG. 8 is a text word shown in FIG. Instructions. [Description of main component symbols] Video; Γ device] 2, video decoding part-20, transmission temporary storage ", video decoder _22, video plane _23, 200532658 Schematic description of the diagram is divided into 30, transmission temporary storage device- 31. Graphic solution matrix — μ ~, — 33, color look-up table (CLUT) — 34: two-shaped plane sub--40, subtitle preloaded Honda i 軚 4 decoding unit, graphics plane ^ ^ body (SPB) — 41. TXT — ST decoder 俨 晶 4 Λ GP) —43, color look-up table (GLUT) -44, 宜 image should be added-r fl, Feng,. 4 Figures are blindly congratulated—σ 50. Brother 1 adder-52, Brother 2 adder—53, font, register (ΕΒ) -410, TXT-ST processor-421, dialogue temporary cry (DB) -499 ^ ^ branch. Gu Zhicunjie Z, Text Processor-423, Bitmap Object Register (β〇Β: 424, Dialogue Synthesis Register (DCB) -425, Dialogue Display Controller-4 2 6 口 口

Page 24

Claims (1)

200532658 6. Scope of patent application ^ Method for reproducing text subtitle stream recorded on a certain disc, the method includes: before this sweat σ reproduces the playlist file, immediately load the specified subtitle ^ text subtitle file in the playlist file in advance Into the first register, and simultaneously replay a single file to reproduce at least one audiovisual (AV file and pre-loaded text subtitle file) specified in the playlist file. The method described further includes pre-loading a font file related to the text subtitle file into a second register before starting the playlist file. V-:: 'Please refer to item 2 of the patent scope Method, in which a font file is specified: Beacon is included in a certain clip information file corresponding to the text subtitle file. The method described in item 2 of the scope of the patent application, the size is in the range of 2 to 4 million bytes. The number of registers, such as Chinese, Japanese, and Korean (CJK) as described in item 2 of the scope of patent application, is included. The file size of the second register is 4 million. When its less 6. The beans as described in item 丨 of the scope of patent application are recorded on the disc and stored as a separate stream file. ^ Text subtitle file Page 25 200532658 6. The scope of patent application, as described in item 1 of the scope of patent application, wherein the size of the first temporary file is greater than or equal to the size of the text subtitle file. °. The method described in item 1 of the scope of patent application, wherein the size of the first temporary cry is in the range of 0.5 million bytes or more. 9. The method as described in item 1 of the Shenjing patent scope, wherein the text subtitle file is a sub play item (subpUyitem) included in the current playlist file A 疋 'and at least one play item (piayitem) in the playlist file specifies at least one AV stream file. 10. A method for displaying a text subtitle stream recorded on a certain disc, the method includes: before a plurality of playlist files begin to reproduce, loading the first register with the text subtitle files in advance , Specify multiple text subtitle files for multiple languages in the playlist. The playlist file is reproduced so that at least one of the audiovisual (AV) stream file and the pre-loaded text subtitle file specified in the playlist file are reproduced at the same time. Page 26 1 1. The method as described in item 10 of the scope of patent application, further comprising: 'starting to load a font file related to multiple text subtitle stream files into a second temporary file before starting to play a playlist file; Memory. 200532658 VI. Scope of patent application 1 2. The method described in item 11 of the scope of patent application, wherein the size of the second temporary benefit is greater than or equal to the combined size of those font files. 13. The method as described in item 10 of the scope of patent application, wherein the size of the temporary register is greater than or equal to the combined size of multiple text subtitle files. 14. A method for playing a text subtitle stream recorded on a certain disc, the method includes: before starting playback of multiple playlist files, subtitle the entire subplayitem specified in the subplayitem The file is pre-loaded into the first register, the subplayitem is included in the playlist file, and the playlist file is replayed to simultaneously reproduce at least one audiovisual (AV) stream specified in the playlist file File and at least one play item (pi ay item) 'and a pre-loaded text subtitle file, at least one play item (pi ay item) is included in the playlist file. 15. The method as described in item 4 of the scope of patent application, further comprising: before the replay of the playlist file, loading the font file related to the text subtitle file into a second register in advance. 16. A system for decoding a text subtitle stream recorded on a certain optical disc. The decoding system includes: 200532658 Sixth, the scope of the patent application is less that one audiovisual (AV) stream is preloaded with multiple text word files and at least one AV stream is preloaded into the temporary register and configured as an energy curtain before the reproduction to the file specified in the playlist file. File, the text subtitle file specified in the playlist file. And first loaded in the preload staging text caption decoder is configured to decode the text caption file in the preloader. 17] The decoding system described in item 16 of the scope of the patent application, further including a previous font preload register, configured to play an AV stream file, and preload a font file related to a text subtitle file. 1 8. The decoding system described in item 7 of the scope of patent application, wherein the information specifying the word: is included in a certain clip information corresponding to the text subtitle file 1 9. The decoding described in item 7 of scope of the patent application A system in which fonts are pre-loaded in buffers in the range of 2 to 4 megabytes. 20. The decoding system according to item 6 of the patent application scope, wherein the text subtitle file is recorded on a disc and exists as a separate stream file. 21. The decoding system according to item 16 of the scope of patent application, wherein the size of the subtitle preloading register is greater than or equal to a combination of multiple text subtitle files 200532658 6. The size of the patent application scope is 0 2 2. The decoding system as described in item 6 of the patent application scope, wherein the text subtitle file is designated by a subplayitef included in the playlist file, and at least the content in the playlist file is at least One playitem (Playitem) specifies at least one AV stream file. 23) The decoding system as described in item 16 of the scope of patent application, which further converts the output of the screen decoder into a color and a transparent displayable image. A graphic plane is configured to display a word displayable image; and A color look-up table is configured to control the level of degree. The decoding system described in Item 16, wherein ... the subtitles are configured to synthesize pre-loaded 4 words into temporary crying; tribute, and the number of dialogue texts-㈣-a dialogue temporary crying ... "成And processing of poor information;-Tong Ling * Γ Erji is configured to store the text of the conversation. The text of the conversation text is t: compose to process the information stored in the conversation register into two pictures :: The composition and configuration in the register is a bitmap object register that stores the bitmap object. 200532658 2 5. A decoding system for text subtitles recorded on a certain disc includes: a stream decoding system, just before the reproduction of the playlist file refers to the file 'subtitles are preloaded temporarily ^ this subtitle file, multiple text subtitles Multi-language application; at least one audiovisual (AV) streamer is configured to be able to load multiple files in advance and specified in the playlist file for loading subtitles in advance; a text subtitle decoder is configured to preload in advance Decode a text subtitle file into the register 26. The decoding system described in item 25 of the scope of patent application, further includes:: 2 fonts are pre-loaded into the temporary register, and g has been set to pre-load with multiple texts before reproducing a certain av stream file Font files related to subtitle files 0 27. The decoding system described in item 26 of the scope of the patent application, wherein the size of the font register is greater than or equal to the size of those font file combinations. 28. The decoding system as described in item 26 of the scope of patent application, wherein the text subtitle decoder is configured to decode a certain pre-loaded text subtitle file using a certain text font file in the font preloading register. . 29. The decoding system as described in item 25 of the scope of patent application, wherein the subtitles are 200532658 Patent application scope First load the size of the register. U; a combination of multiple text subtitle files 30, one for reproducing a subtitle stream recorded on a disc player j an audio decoding section, 箸 decoding; _ for recording The audio 2 on the disc is configured to decode the video recorded on the disc with a video decoding part Λ stream decoding, and a sub-screen decoding part. Θ6 In the first war, at least one audiovisual (AV) production broadcasted on the 疋 is reproduced. 穑 Put the table file in the text file, please broadcast to your host, preload the entire text in the Av / Μ playlist file specified The text subtitle file and at least one AV stream file are decoded.卞 Master ν The disc player described in item 30 of the patent application, rn, M]] 4J1 · 31 The subtitle decoding section includes: A subtitle is preloaded into the register, and the configuration achievements are reproduced before being reproduced into the AV stream file. Load the entire text subtitle file. with A text subtitle decoder is configured to decode text subtitle files pre-loaded in a pre-register. * = As described in item 31 of the scope of the patent application, the Chinese subtitle decoding part includes: 〃-a font preloaded into the temporary register 'configuration achievement to play the stream file Page 31 200532658 6. Scope of Patent Application Before, font files related to text subtitle files were pre-loaded. Η · page 32