TWI301968B - Apparatus for use with information storage medium containing enhanced av (enav) buffer configuration information, reproducing method thereof and method for managing the buffer - Google Patents

Description

1301968 Mu 0 month r曰 repair (more) is replacing the guest 13426pif.doc ... -_ is the 93108806 Chinese manual without a slash correction. Modified date: 97 May 30 、, invention description: [Technical field of invention The present invention relates to a device for reproducing content (reproducing contents) on an information storage medium in an interactive mode (interactive m()de), and particularly for reproducing audio and video in an interactive mode (Audio Video) , AV) data recording and reproducing device, a management method for enhancing the enhanced AV head buffer (Enhanced AV丨ENA\〇buffer) mounted on the recording and/or reproducing device, and managing the ENAV temporary storage in the interactive mode Information storage media for the information of the device. [Prior Art] Digital audio and video discs can support interactive mode to reproduce audio and video data in a personal computer environment, while interactive mode DVDs are commonly referred to as interactive DVDs. According to the conventional DVD imaging standard, the interactive DVD contains a logo file to support interactive interactive data and audio and video materials. Recording AV data on interactive DVDs can display two modes. One is the same way as a normal DVD display AV image, and the other is an interactive mode in which an AV image and a logo file are simultaneously displayed, wherein the AV image is embedded in the logo file in an embedded manner. For example, the AV material is a movie name, and the corresponding movie is displayed on the AV image area, and different additional information (such as a movie's scenario, pictures of casts, etc.) is displayed. On the display area other than the AV image area. Additional information can be displayed along with the movie name. For example, when an actor appears, a section of the document containing the actor's personal qualifications can be displayed. In addition, if the user presses the button on the label file, the relevant performance 4 1301968 13426pif. doc is the Chinese manual No. 93108806. There is no slash correction. The date of modification: the information of the individual qualification of the member on May 30, 1997 will appear immediately in the AV. On the image. However, in a consumer product having a regenerative interactive DVD function (for example, a home DVD player), a buffer capable of supporting an interactive mode DVD has a problem in management. 1A and 1B are simplified diagrams showing the problems encountered by the prior art. Referring to Figure 1A, a conventional personal computer (PC) 5 primarily includes a buffer 55 having a capacity greater than one million bits (e.g., 256M) B). The personal computer 5 further includes a hard disk 56 whose auxiliary buffering capacity exceeds one billion bits (e.g., 32 GB). Therefore, when the personal computer 5 tries to receive the data of a server 9 in the Internet, it is almost impossible to solve the problem that the data cannot be received due to the limited space of the buffer 55 or 56. However, in Fig. 1B, when the home DVD player 2 is dialed or connected using the telephone 1, its buffer capacity is relatively lower than that of the personal computer 5. The general buffer 25 has a capacity of only one million bits (e.g., 32 MB). Therefore, when the home DVD player 2 tries to enter the server 9 in the Internet and receives the desired content, if the server 9 provides storage in the same manner as the storage of the φ register of the personal computer 5, Home DVD Player 2 cannot accommodate this content. SUMMARY OF THE INVENTION The object of the present invention is to provide a method for managing a buffer and a recording and reproducing device and a data storage medium thereof, which can smoothly receive and reproduce a desired content with a buffer of a small capacity without The problem of buffer shortage occurs when receiving the contents of a server in the Internet. The recording and reproducing device can be a consumer product supporting the interactive mode. 0 1301968 13426pif.doc is the Chinese manual of No. 93108806 without a slash correction. The date of modification: May 30, 1997, according to the purpose of the present invention, an interactive A method of managing a buffer of a device, the method comprising: allocating at least a portion of the enhanced AV buffer as an updateable markup area for an ENAV file based on ENAV buffer configuration information_ And downloading a predetermined ENAV file to the allocated updateable marked area. According to the purpose of the present invention, allocating the ENAV buffer includes: allocating * the updateable marked area according to size information of the memory contained in the ENAV buffer architecture information. According to the purpose of the present invention, allocating the ENAV buffer includes reading ENAV buffer architecture information recorded in a downloaded information file, and downloading the predetermined ENAV file includes downloading an ENAV file corresponding to the information name, and Recorded in the downloaded news archive. According to the purpose of the present invention, allocating the ENAV buffer includes reading ENAV buffer architecture information recorded in a downloaded information file by a memory component, and reading the information file φ recorded in the downloaded memory component. The name of the ENAV buffer structure information and the memory size, or read the start file of one of the ENAV file directories as a predetermined download information file; and read the ENAV, buffer recorded in the downloaded information file Architecture information. • For the purposes of the present invention, downloading the predetermined ENAV file includes downloading an ENAV file stored in an updateable identification area of one of the hard disks, and the updateable marked area and the ENAV recorded in the downloaded information file The name of the file is related to the location, or the name and location of the ENAV file recorded by the server in the downloaded information file. 1301968 13426pif.doc is the Chinese manual of No. 93108806. May 30, 1997, and download one of the ENAV files in the server to the updateable marked area. According to another aspect of the present invention, a buffer management method for a chat service of an interactive device includes allocating at least a portion of an ENAV buffer as an updateable marked area for information based on ENAV buffer architecture information. An ENAV file is used; and the ENAV file that provides the chat service is downloaded to the assigned updatable area. In addition, according to another object of the present invention, an information storage medium includes at least one of an ENAV file containing ENAV data, and ENAV buffer structure information, to provide an ENAV file to be downloaded into at least a portion of the ENAV buffer as a Update the allocation of the marked area. According to the purpose of the present invention, the ENAV buffer architecture information is recorded in a downloaded information file, including a pre-read ENAV file name and location information, and the memory component is recorded in the downloaded information file. The associated memory component records the memory name and size in the downloaded information file.

• According to another object of the present invention, a recording and reproducing apparatus capable of reproducing video and audio data in an interactive mode includes: an ENAV buffer can record an ENAV file; and an ENAV engine can interpret and reproduce the ENAV file, wherein The ENAV engine can allocate at least a portion of the ENAV buffer. • As an updateable identification area based on ENAV buffer architecture information, read the ENAV file and download the ENAV collision in the ENAV buffer. In accordance with the purpose of the present invention, the ENAV engine reads the ENAV buffer architecture information recorded in a downloaded information archive, which includes pre-read 1301968 13426pif. doc for the 93108806 Chinese specification without a slash correction. : the name and location of the ENAV file on May 3, 1997, the ENAV buffer structure information recorded in the downloaded information file by a memory component, and the reading is recorded by the associated memory component. The ENAV buffer benefit structure in the downloaded information file is greeted with the memory name and size, or the ENAV buffer structure information recorded in a downloaded information file is recorded in the initial file of one of the _ ENAV file directories. According to another object of the present invention, a recording and reproducing apparatus capable of reproducing video and audio data in an interactive mode includes: an ENAV buffer can record ® a predetermined internet service; and an ENAV engine can interpret and regenerate the ENAV file The ENAV engine may allocate at least a portion of the ENAV buffer as an updatable identification area based on the ENAV buffer architecture information, read the ENAV file, and download the ENAV file in the ENAV buffer to provide the reservation Internet service. The above and other objects, features, and advantages of the present invention will become more apparent and understood. The so-called "enhanced audio and video (ENAV) data" refers to all materials that support an interactive mode. For example, when DVD-Video is reproduced in an interactive mode, the interactive material can be classified into a label file and a resource embedded in one of the label files. The so-called "marking file" refers to all the files (such as A.xml) established by the markup language including xml, HTML, etc. The so-called "marking resource" refers to the embedded in A.xml. All files in the file such as Α·ρη§, A.jpg, A.mpeg, etc. 1301968 13426pif. doc is the Chinese manual of No. 93108806. There is no slash correction. This modification date: May 30, 1997 曰 In particular, the label file functions as the program and embedded code required to reproduce the AV data in an interactive mode. , or work with the code provided by the external file, and present both ENAV data and AV data. Figure 2 is a diagram showing the intention of a recording and reproducing system according to an embodiment of the present invention. Referring to Figure 2, the recording and reproducing system can record and reproduce information about a DVD of an embodiment of the information storage medium. The system includes a recording and reproducing device 200 suitable for use with a display device such as a DVD 300 or a television 100 in accordance with an embodiment of the present invention, and the remote controller 400 is a user of the present invention. The remote controller 400 can receive a control command from a user and transmit the command to the recording and reproducing device 200, and the recording and reproducing device 200 can enter the Internet and transmit or receive the desired ENAV data. According to the recording and reproducing apparatus 200 of the present invention, buffer management in which the ENAV data supports the interactive mode can be performed. A detailed description of buffer management is provided below. Although the display and device are separate in the illustration, the display can be directly assembled on the device to become a portable DVD player, personal digital assistant (PDA), mobile phone or other device with integrated display. .

Further, the recording and reproducing apparatus 200 may also include a DVD drive (not shown) for reading the material recorded on the DVD 300, which is incorporated in the apparatus 200 or connected to the apparatus 200. When the DVD 300 is placed in the DVD-driver, the user can select the interactive mode, and the recording and reproducing device 2 can reproduce an AV material and convert it into a reproduced result on the television 100 using the corresponding identification file. The television 100 can display a set of logo images obtained from the logo file and an AV material embedded in a logo image on a display window, and the display window is defined by the logo file, in particular, 1301968 13426pif. doc Date of revision: May 30, 1997, for the No. 3, No. 2, the second party of the No. 2, the second party: the -AV data embedded in the - interactive image

The Lr/ image refers to the -removal image displayed on the 1 view (10), and the simple image of the stomach can be displayed in the mutual force mode (she is AV_Chi axis ==) Known as a kind of marriage: a method of birth (for example, a method of reproducing AV data on a TV 1 to obtain corresponding AV data).

In the present embodiment, the recording and reproducing apparatus 200 can simultaneously support the interactive mode and the image mode. However, the device does not need to support both modes at the same time. In addition, _ can be a read-only, single-write storage medium, nor is it limited to magnetic media, magnetic optical media, optical media, such as high-capacity discs and next-generation DVDs including Blu-ray discs, enhanced optics. Discs (AODs) or E-DVDs, flash media or other media. In addition, the user input device is not limited to a remote controller, and may be a touch screen, a keyboard, a mouse, or any device that can input commands. In addition to the television 100, other types of displays can be used, such as flat panel displays, plasma displays, liquid crystal displays, and OLEDs displays. Finally, the sound produced by device 200 can be output through its internal speaker or through an audio speaker, earphone or other device. Figure 3 is a block diagram of a recording and reproducing apparatus in accordance with the present invention. Referring to FIG. 3, the reproducing apparatus 2 includes an AV buffer 201, an ENAV buffer 202, an AV recording and reproducing engine 2〇3, and an ENAV engine 204. The AV buffer 201 can serve as a buffer for AV data, and the ENAV buffer 202 can serve as a buffer for ENAV data. In the present embodiment, the AV data is recorded on the DVD 300 according to the DVD-Video format. 1301968 13426pif. doc Date of modification: May 30, 1997 The Chinese manual No. 93108806 has no underline to correct this DVD-video material. However, AV data can also be in other formats, such as those accepted by the Internet. In this embodiment, the ENAV material includes a logo file and/or a tag resource. The AV buffer 2() 1 and the enav buffer 2 can be separate memory chips or one of the memory chips in the hard disk. In addition, when discussing images, AV data can be audio data, such as DVD-audio image data or video data, or other materials that are appreciated by dvd 3 (8) or other storage media, and are reproduced in interactive mode with ENAV data. in. The AV reproduction engine 203 can decode and output AV material. In the present embodiment, the AV reproduction engine 203 includes an MPEG decoder capable of decoding dVD_video data. The ENAV engine 204 is an Interpret engine that interprets and executes ENAV data and combines or displays the decoded AV data into an interactive mode. The ENAV engine 2〇4 supports interactive mode and image mode. In the software shown in an embodiment of the present invention, the ENAV engine 204 includes a logo file viewer for interpreting and displaying the logo file 'a browser for obtaining information on the Internet, and an indicator resource decoder. The marking file can be decoded. The data output by the ENAV engine 204 is mixed with the data output by the AV reproduction engine 203 to form an interactive image, and the interactive image is displayed on the television. The present invention has a number of related patents embedded in an AV image and displayed on an interactive image. For example, Korean Patent Publication No. 1_33526 (U.S. Patent Publication No. 10/170,419) of June 14, 2001, Korean Patent Publication No. 01-64943, September 20, 2001, September 2, 2001 23rd Korean Patent Publication No. 01-65391 (U.S. Patent Publication No. 10/277,049) and August 26, 2002 Korean Patent Publication No. 11 1301968 13426pif.doc is No. 93108806 Chinese specification without slash correction Date of revision: U.S. Patent Publication No. 02-50524 (U.S. Patent Publication No. 10/647,445), the entire disclosure of which is incorporated herein by reference. Therefore, the details mentioned in these methods are not described here.

Furthermore, the ENAV engine 204 is managed by the ENAV engine 204 in accordance with the present invention, that is, the ENAV engine 204 allocates a predetermined area in the ENAV buffer 202 as an updatable flag area to download the ENAV buffer. Architectural information-based ENAV files containing ENAV data. The ENAV engine 204 can download the ENAV file in the allocated area, and the * file containing the ENAV data is called the ENAV file. Thus, ENAV engine 204 manages the updatable indicator area within ENAV buffer 202 based on the architectural information of the updatable indicator area. FIG. 4 is a reference diagram of an ENAV buffer architecture information according to an embodiment of the invention. Referring to FIG. 4, the ENAV buffer 202 is logically and physically divided into A and B areas, and the A area is an updateable label area, and is an area for storing ENAV data, a label file, and an indicator resource. The B area is a normal area and is used to store φ marking files that are not required to be updated, such as a Cascade Style Sheet (CSS) file to specify a marking file, a script file, an image file, and a font. The type of file, etc. That is, the information included in the ENAV buffer architecture information is the size of the updateable marked area in the ENAV buffer 202, and the remaining area is the size of the standard area. Thus, since the ENAV buffer 202 contains an updatable indicator area, the internet service (e.g., chat service) can still provide service while the storage capacity of the smaller ENAV buffer 202 is available. In an embodiment, the chat service uses an updateable marked area as will be described in detail below. However, in addition to the chat service, other Internet 12 1301968 13426pif.doc is the Chinese manual of No. 93108806 without a slash correction. Date of modification: May 30, 1997 Internet service is also applicable. FIG. 5 is a schematic diagram showing a volume space of a DVD 300 according to an embodiment of the present invention. Referring to FIG. 5, the volume β space of the DVD 300 includes a volume and file control information area, an AV data area, an Λ ENAV data area, and other data areas. This volume and file control information

The area is used to store the volume and file control information of the entire DVD 300. The AV data area stores image titles such as VIDEOJTS.IFO, VTS_01_0.IFO, VTS_01_1.VOB, and each title is based on the AV data recorded in the DVD video format. Among them, the VIDEO-TS.IFO file contains reproduction control information including all image titles, and VTSJ) files such as 1_O.VOB and VTS_01_1.VOB can construct a video title group (for example, a video object (VOB)). Each video object includes a video object unit (VOBU) containing a navigation pack, a video pack, and an audio pack. The detailed architecture is disclosed in the DVD-Video standard, and the publicly available materials for the DVD-Video for CD-ROM 1 can be combined with the φ test, and will not be described here. The ENAV data area stores ENAV data that supports interactive mode. That is to say, the interactive data area stores, for example, a logo file such as STARTUP. MLS, which is displayed after the interactive mode is selected, and the corrupted file for downloading * is, for example, Loadinglnformation.LDI, which includes an updateable flag. The architectural information of the region, and the ENAV buffer architecture information according to the present invention. The interactive data area can also store logo files, such as CHATTITLE.HTM and CHATROOM.HTM to provide a chat service. In addition, the interactive data area includes labeling resources, for example, 13 1301968 13426pif.doc is the 93108806 Chinese manual without a slash correction. Modification period: May, May 3, 1997

Cl.PNG, C2.PNG, file. Other data areas store other data. FIG. 6 is a schematic diagram showing a directory of a DVD 300 according to an embodiment of the present invention. Please refer to FIG. 6. The root directory has a video directory VIDEO-TS containing AV data. The video directory VIDE0-TS includes a ~VIDEO-TS.IFO file, which can store the navigation information of the video title.

The VTSJH-O.IFO file can store the information of a first video title group and the files that make up the video title group νΤδ_〇1〇.ν〇Β5 VTS—01 —1·ν〇Β,.... .... The root directory can also include an interactive directory DVD-ENAV to store information that supports interactive mode. The interactive directory DVDJENAV includes a logo file that is displayed with the video title, and the downloaded information file Loadinglnformation.LDI contains an updateable architectural information of the decay area and information about the ENAV buffer architecture according to the present invention. The conversation service logo files CHATTITLE.HTM and CHATR00M.HTM, as well as the labeling resources Cl.PNG, C2.PNG. FIG. 7 is a schematic diagram of a start file STARTUP.MLS according to an embodiment of the invention. Referring to Figure 7, the start file is a markup file created in the markup language, which includes a component "loadinginfo". The label C refers to a part of the STARTUP.MLS that connects a downloaded information file to the start file using the component "loadinginfo". That is to say, the component "loadinginfo" is connected to the downloaded information file shown in Fig. 8 Loadinginfomation.LDI, including the location information of the ENAV file to the start file, in order to be able to download the ENAV file to reproduce the data in the interactive mode. As described above, the downloaded information archive includes ENAV buffer architecture information in accordance with the present invention. 14 1301968 13426pif.doc is the Chinese manual of No. 93108806 without a slash correction. The modification period: May 30, 1997 Fig. 8 is a schematic diagram of a downloaded information file according to an embodiment of the present invention. Referring to FIG. 8, in the download information file LOADINGINFORMATION.LDI in the figure, the mark D refers to the use of the component storage part ENAV buffer structure information. This component is an empty element that does not require other components and has two attributes for specifying the memory name and memory size. The "size" attribute refers to the size of the memory area, and the size of the memory area is determined by the size of the ENAV buffer 202. For example, when the ENAV buffer 202 is 36 MB, and the size of the memory area is 0 bits to 36 MB. It will be appreciated that the attributes may be provided in different ways, and the names described herein do not necessarily have to be "um". In this embodiment, the "name" attribute is "um" and the "size" attribute is "6KB". That is, the component "memory" means that the index area allocated to the updateable is 6 KB, and the "um" whose name is the ENAV buffer 202 is designated. Further, in accordance with the downloaded information file of the present invention, the name and location information of the downloaded ENAV file are first stored in the buffer 202. As shown in Figure φ, first download the file for the chat service. The file of the first displayed chat service is presented in the form of a document CHATROOM.HTM using the component "initial". The rest of the files are represented by the component "entity" in the form of a file CHATTITLE-HTM, Cl.PNG, C2.PNG, INPUT.HTM, . P1.GIF, DIALOG.HTM, and DIALOG.CSS. Here, the label file is stored in the DVD, and the label files INPUT.HTM, P1.GIF, DIALOG.HTM and DIALOG.CSS are stored in the Internet server in Figure 13 at "http://www". .company.com.”. In particular, the labeling file 15 1301968 13426pif.doc is the Chinese manual of No. 93108806 without a slash correction. The date of this modification: May 30, 1997 DIALOG.HTM and DIALOG.CSS are downloaded to the updateable marking area, ie ENAV buffer 202. These files are specified by the "urn" section. Figure 9 is a diagram showing a conversation screen of a recording and reproducing apparatus 200 capable of supporting a conversation function according to an embodiment of the present invention. Referring to Figure 9, the chat | screen has a dialog window for displaying the conversation content between the users participating in the conversation, and an input window for inputting his/her conversation content to a group of people. If a user inputs his/her content in the input window and presses the transfer key <send4f on the conversation screen, the recording and reproducing apparatus 200 transmits the content to the server of FIG. 13, which provides the Internet between the networks. Conversation service. The recording and reproducing apparatus 200 can display an updated logo file and display it on the dialog window based on what the user has just entered. 10 to 12 are schematic diagrams showing the files in the conversation screen of FIG. 9. Referring to FIG. 10, the logo file CHATROOM.HTM is stored in the DVD 300, and when the user selects the chat service, the first displayed logo file is CHATROOM.HTM. The label file CHATROOM.HTM links the label file CHATTITLE.HTM stored in the disc 300, and links the label file DIALOG.HTM stored in the server of Fig. 13 at http://www.company.com to provide Chat the service and immediately update the display of the dialog window. Referring to FIG. 11, once the user inputs his/her internal content and indicates that a logo file is provided by the server of FIG. 13, the address is http://www.company.com, and the label file DIALOG.HTM is updated immediately. . Referring to Fig. 12, the designating file INPUT.HTM is provided by the servo 90 of Fig. 13 at http://www.company.com to display an input window on one of the conversation screens. FIG. 13 is a diagram showing the communication process between the recording and reproducing apparatus 200 and the servo 16 1301968 13426 pif. doc according to an embodiment of the present invention. The modification date is: May 30, 1997 is the Chinese manual of No. 93108806. schematic diagram. Referring to Figure 13, the recording and reproducing apparatus includes a job buffer of a predetermined capacity. This server 90na passes through the network L network fc for the chat service of the recording and reproducing apparatus. The recording/reproducing device 200 communicates with the server 9A according to the master-slave mode (Client-Server model). In the present embodiment, _ is performed by, for example, TCP/IP HTTP (Hyper File Transfer Protocol) based on master-slave mode. However, it is possible that other master-slave modes and other agreements are also applicable to the present invention. When the recording and reproducing apparatus 200 enters the server 90 and requests a label file DIALOG.HTM, a dialog window is displayed by the GET command (communication step (1)), and the server 9 transmits the required label file DIALOG.HTM. The recording and reproducing device 2 is called communication step (7)). It can be understood that the gfi recording and reproducing device can use the puSH instruction instead of the GET instruction. Similarly, when the recording and reproducing apparatus requires a label file INPUT 'HTM Day' to display the input window with a GET command (communication step (3)), and ask for a resource pi.GIF (communication step (4)), The server 90 transmits the required label file INPUT.HTM and the label resource P1.GIF to the recording and reproducing apparatus 2 (communication steps 〇 and (6)). Meanwhile, when updating a file (labeling file and/or labeling resource), the server 90 allocates a file of the same size or smaller size as the buffer capacity to the corresponding file, and then further mentions, so that the recording and reproducing apparatus 200 can Accept the updated bridge case correctly. Figures = and 15 respectively show the diagrams of steps (1), (2) in the communication process of Figure 13. Figure M shows the information of obtaining a marked file, which contains the ENAV facial mask, and the display window 17 1301968 13426pif.doc is the Chinese manual of No. 93108806. There is no slash correction. This modification date: May 30, 1997 Hey on a conversation screen. In step (1) of Fig. 14, according to the HTTP protocol (e.g., a REQUEST header), its header requirements architecture allows the recording and reproducing apparatus 200 to transmit a GET command to the server. In particular, • “User-Agent” refers to the type of recording and reproducing device 200, and • “Referen” refers to the tag file DIALOG.HTM as a buffer structure stored in the interactive directory of DVD 300. In the information file LOADINFO.LD step (2), according to the HTTP protocol (for example, the RESPONSE header), the server 90 responds to the response header structure of the GET command issued by the playback device 200, in particular, "Last- Modified:" means that the markup file is a file that is updated in the server 90 (a file that can be changed). Therefore, if the server 90 does not display "Last-modified:" in the RESPONSE header, the recording and reproducing apparatus 200 can be regarded as a non-changeable file by using the corresponding label file or the corresponding labeling resource. Figure 15 illustrates the use of a logo file CHATR00M.HTM to display a dialog file on the conversation window of a conversation screen. In step φ (1), according to the HTTP protocol, the architecture of the header is required (for example, the REQUEST header) to allow the lunch recording and playback device 200 to transmit a GET command to the server 90. In particular, in "User-Agent" refers to the type of recording and reproducing device 200, and "Referer:" refers to the marking file. DIALOG.HTM as a buffer stored in the interactive directory of the DVD 300. Architecture information file L0ADINF0.LDI. In step (2), according to the HTTP protocol (for example, the RESPONSE header), the response of the response header of the GET command sent by the server 90 to the regenerative device 200, in particular, "Last-modified:" refers to the indication. Text 18 1301968 13426pif.doc is the Chinese manual of No. 93108806. There is no slash correction. The date of modification: May 30, 1997 is the file updated in the server 90 (the file that can be changed). Therefore, if the server 90 does not display "Last-modified:" in the RESPONSE header, the recording and reproducing apparatus 200 can be regarded as a non-changeable file by using the corresponding label file or the corresponding labeling resource. For example, in step (2) of Figure 15, "Last-Modified:" refers to the modified target τκ file, and in step (2) of Figure I4, it refers to the changeable in the update of the allocation area. file. FIG. 16 is a schematic diagram showing architectural information of an updateable marked area based on an ENAV buffer architecture and information according to an embodiment of the present invention. Referring to FIG. 16, the architecture information of the updateable marked area is recorded on the DVD 300 (including the download information file of the chat service in this embodiment). The architecture information includes location information of the ENAV file and size information of the buffer area allocated to the corresponding ENAV file. In addition, the architectural information of the updateable marked area further includes information indicating the corresponding ENAV file format and information indicating whether the corresponding ENAV file is updated in the server 90. It can be understood that the architectural information can also contain other information. The location information refers to the location of the ENAV file in the server, and the server 90 can communicate with the ENAV buffer 202 of the recording and reproducing device 200, or can be downloaded from the DVD 300 to the ENAV buffer 202_ of the reproducing device 200. . As shown, the location information includes 61ι1: ΐρ:ΛνπΛ¥χοιηρ&ηγχοπι/ΟΙΑΙ/00·ΗΤΜ' representing the server 90, and 'file://DVD-ENAV/CHATROOM.HTM' representing the DVD 300. . The memory size information in the table is 5K bits. It can be understood that not all files contain memory size information. In addition, text/xml+chat (yes) refers to the corresponding file as a text file, that is, the file type (update) can be used as the server 90 19 1301968 13426pif. doc is the 93108806 Chinese manual without a slash correction. : The sample file for conversation and update in May 30, 1997 (yes) is an xml file. In the same server 90, it can be appreciated that the location can be provided by multiple servers. In addition, the non-internet files need not be provided entirely by the DVD 300, but rather by reading other memory or a drive connected to the device 200. FIG. 17 is a diagram showing the architecture of an updateable marked area obtained according to the architecture information of the updateable marked area of FIG. 16. Referring to Fig. 17, in the ENAV buffer 202, the buffer area is allocated according to the architectural information of the marked area of Fig. 16. In particular, the DIALOG.HTM file stored at http://www.company.com/DIALOG.HTM has a reserved buffer size of 5 KB, that is, the allocated buffer area is 5 KB. In addition, due to the DIALOG.CSS file stored in http://www.company.com/DIALOG· CSS, the reserved buffer area is allocated to 1 KB. INPUT.HTM and PI .GIF are stored separately at http://www.com pany.com/INPUT.HTM and http://www.company.com/Pl .GIF, but because there is no buffer size information, INPUT The buffer size of .HTM and PI.GIF φ is determined by the servo. In Figures 14 and 15, the server can allocate the size of a transfer file by ‘Content-length:’ in the RESPONSE header.

• File://DVD_ENAV/CHATROOM.HTM, file"/DVD_EN • AV/CHATTITLE.HTM, file ••//DVD_ENAV/C1 .PNG, and file://DVD_ENAV/C2.PNG refer to storage on DVD 300 The files in CHAT0000.HTM, CHATTITLE.HTM, Cl.PNG, and C2.PNG. Therefore, the buffer area of the file is allocated according to the file size of the file system created by the recording and reproducing apparatus 200. 20 1301968 13426pif.doc is the Chinese manual of No. 93108806 without a slash correction. This modification date: May 30, 1997, according to an embodiment of the present invention, a buffer management method based on the above architecture, as shown in FIG. 18 and 19 is shown. FIG. 18 is a flow chart showing a buffer management method according to an embodiment of the present invention. Referring to FIG. 18, in step 1801, when the DVD 300 is downloaded to the recording and reproducing apparatus 200, and the user selects an interactive mode,

The bio-device 200 opens a start file STARTUP.MLS, which is contained in the DVD_ENAV directory, and reads a downloaded information file ^Loadlnformation.LDI, which contains the ENAV buffer architecture information according to the present invention and is connected to the start File STARTUP.MLS. In step "02", the recording and reproducing apparatus 200 checks the ENAV buffer structure information through the downloaded information file, and in step 1803, the updateable marked area in the ENAV buffer 202 is allocated based on the checked result. As described above, the remaining area of the ENAV buffer is a standard area. Figure 19 is a flow chart showing a buffer management method according to another embodiment of the present invention. Referring to Figure 19, when the user selects a chat service, The recording and/or reproducing apparatus 200 interprets the initial file recorded on the DVD 300 and reads a downloaded information file containing an updateable architectural information of the marked area as an ENAV buffer capable of providing a chat service. The device architecture information (step 1901). • The recording and reproducing device 200 can determine whether or not the file is downloaded into the ENAV buffer 202 (step 1902). If no file is downloaded to the ENAV buffer, the reproducing device 200 Interpreting the file initially displayed on a screen and displaying the interpreted file on the screen (step 1903). If there is a file downloaded to the ENAV buffer 202 The recording and reproducing apparatus 200 determines whether the size of the file is established (step 19〇4). If the size of the file 21 1301968 13426pif.doc is the Chinese manual of No. 93108806, there is no underline correction. The modification period: May 30, 2007 The setup, recording and playback device 2 maintains a buffer area whose size corresponds to the created file size (steps 19〇6). If the size of the file is not established, the recording and reproducing device 200 detects the location of the file ( Step 1907). According to the result of the detection, if the file is stored in the DVD, the recording and reproducing apparatus 200 reserves a buffer area whose size corresponds to the size defined by a file system (step 1908). The so-called file system defines The size refers to the size of the file stored in the DVD 300. According to the result of the detection, if the file is stored in the server 90, the recording and reproducing apparatus 200 maintains a buffer area whose size corresponds to the definition of the server 90. Size (step 1909) When the buffer area has been reserved in step 1910, the recording and reproducing apparatus 200 downloads the corresponding file to the reserved buffer area. (Step 1911). If the buffer area is not reserved, the recording and reproducing apparatus 2 transmits a message notifying that a buffer area is not retained and ends (step 1912). Finally, if other buffer structure information is required, it is used. When searching for a label file, it returns to step 1902 and re-executes the other buffer structure information in the same step. If the user looks for the label file and determines that DIALOG.HTM has been updated in the server, The recording and reproducing apparatus 200 accepts the updated DIALOG.HTM in the server 90. If the server 90 controls the size of the updated logo file, the updated logo file (and/or the label resource) is made smaller than the predetermined buffer size (5 KB as in the above example), the recording and reproducing apparatus 200 can be correct. Process and display the updated content without error code generation due to lack of buffers. In addition, if other memory architecture information is required and a label file is sought, the recording and reproducing apparatus 200 returns to step 1902 and 22 1301968 13426pif.doc. Date of modification: May 30, 1997 is No. 93108806 Chinese manual No. The line correction is repeated for the same steps. The buffer management method shown in Figs. 18 and 19 can be specifically applied to a digital computer of a general function or a special function, and the program can decode the computer readable medium. Computer readable media including magnetic storage media (eg ROM's, disk drives, hard drives, etc.), optically readable media (eg CD-ROMs, DVDs or lower-generation Blu-ray DVDs and AODs, rewritable and single-write) Media, etc.), magnetic-optical media and carrier (for example, transmitted over the Internet), but not limited to the above. It can be appreciated that the server 90 can communicate through different networks, such as a wireless network, a LAN, a WAN or a private network, rather than the Internet. In addition, the EnaV file is stored in the server 90 in the manner described above, and it can be understood that the ENAV file can also be stored in other external media. Finally, in addition to being divided into two regions, the ENAV buffer 2〇2 can be assigned to exceed two regions. As described above, according to the present invention, the server provides a predetermined content to the recording and reproducing apparatus as one of the consumer devices providing the interactive mode. The reproducing device appropriately controls the size of the content according to the buffer capacity thereof to allocate the memory and the method used by the reproducing device, and stores a buffer region in the reproducing device in a limited capacity as Receive the ENAV file in the server. Therefore, according to the memory architecture information of the present invention, only when the content provided is smaller than a predetermined size, the logo file and/or the labeling resource output to a screen can be freely updated in the Internet. The logo file and/or the logo resource can be freely updated on the Internet, including a chat service, a stock market information service, news reporting service, online purchase purchase order, and other interactive mode display information. Finally, use the mutual 23 1301968 13426pif. doc for the Chinese manual No. 93108806 without a slash correction. The date of modification: May 30, 1997 The mobile mode device can be a stand-alone player/recorder, a portable player/recorder, and others. A device that can be presented in an interactive mode and a device that must control the buffer. In addition, the storage medium and method of the present invention can be used on a personal computer to enable computer resources to have more performance in buffer management and control. Although the present invention has been described above in terms of a preferred embodiment, it is not intended to limit the invention, and it is obvious to those skilled in the art that the present invention may be modified and retouched without departing from the spirit and scope of the invention. The scope of protection of the invention is subject to the definition of the scope of the patent application. BRIEF DESCRIPTION OF THE DRAWINGS Figures 1A and 1B are simplified schematic views of problems encountered in the prior art. 2 is a schematic diagram of a recording and reproducing system in accordance with an embodiment of the present invention. 3 is a block diagram of a recording and reproducing apparatus in accordance with the present invention. φ Figure 4 is a reference diagram of an ENAV buffer architecture information according to an embodiment of the present invention. FIG. 5 is a schematic diagram of a volume space of a DVD according to an embodiment of the invention. - Figure 6 is a diagram showing a directory structure of a DVD which is not an embodiment of the present invention. FIG. 7 is a schematic diagram of a start file STARTUP.MLS according to an embodiment of the invention. 8 is a diagram showing a downloaded information file according to an embodiment of the present invention. 24 1301968 13426pif.doc is the Chinese manual of No. 93108806. There is no slash correction. Modified date: May 30, 2007 LOADINGINFORMATION.LDI. Figure 9 is a diagram showing a conversation screen of a recording and reproducing apparatus 200 capable of supporting a conversation function according to an embodiment of the present invention. 10 to 12 are schematic views of a conversation window indicating a document. Figure 13 is a diagram showing the communication process between the recording and reproducing apparatus and the server according to an embodiment of the present invention. 14 and 15 are schematic diagrams showing steps (1) and (2) performed in the communication process of FIG. 13, respectively. FIG. 16 is a schematic diagram showing architectural information of an updateable marked area based on ENAV buffer architecture information according to an embodiment of the invention. FIG. 17 is a diagram showing the architecture of an updateable marked area obtained according to the architecture information of the updateable marked area of FIG. 16. FIG. 18 is a flow chart showing a buffer management method according to an embodiment of the present invention. FIG. 19 is a flow chart showing a buffer management method according to another embodiment of the present invention. Lu [Main component symbol description] 1 : Phone 2 : DVD player 5 : Personal computer 9 : Server 55 : Buffer 56 : Hard disk 90 : Server 25 1301968 13426pif.doc No change for the Chinese manual No. 93108806 This modification date: May 30, 1997

100 : TV 200 : Recording and reproducing device 201 : AV buffer 202 : ENAV buffer 203 : AV recording and reproducing engine 204 : ENAV engine 300 : DVD 400 : Remote control A, B : Area

26

Claims (1)

1301968 13426pif. doc is the 93108806 W year of the month>Day repair (more) is replacing the nickname Chinese manual without a line correction This modification date: May 30, 1997 10, the scope of application for patents: 1. A management of enhanced audio and video ( The ENAV buffer method is used in an interactive device in an interactive mode, the method comprising: allocating at least a portion of the ENAV buffer as an updateable marked area 'ENAV file based on ENAV buffer architecture information And downloading the predetermined ENAV file to the allocated updateable marked area in the ENAV buffer. 2. The method of claim 1, wherein the updateable indicator area is assigned based on memory size information in the ENAV buffer architecture information. 3. The method of claim 1, comprising allocating the updatable indicator area based on memory name and size information in the ENAV buffer architecture information. 4. The method of claim 1, comprising reading the ENAV buffer architecture information recorded in a downloaded information file, and downloading the predetermined ENAV file comprises downloading a corresponding information name and location. ENAV file, and it is recorded in the downloaded information file. 5. The method of claim 1, comprising reading the ENAV buffer architecture information recorded in a downloaded information file in a memory component to determine whether one of the ENAV files is buffered in the An updateable marking area. 6. The method of claim 1, comprising reading the memory name and size of the ENAV buffer architecture information recorded in one of the attributes of a memory component. 27 1301968 13426pif.doc For the Chinese manual No. 93108806, there is no slash correction. The date of this modification: May 30, 2007. The method described in claim 1 of the patent scope includes: reading about the storage of the ENAV file A start file of the directory serves as a predetermined download information file; and reads the ENAV buffer frame" information recorded in the downloaded information file. 8. The method of claim 7, comprising downloading the ENAV file stored in the updateable identification area in a storage medium, and the updateable marked area and the information recorded in the download The name of the ENAV file in the file* is related to the location. 9. The method of claim 7, comprising requesting, by a server, the name and location-based information of one of the ENAV files recorded in the downloaded information file, and downloading by the server Transfer the ENAV file to one of the interactive devices to the updateable marked area. 10. The method of claim 1, comprising displaying an error signal once the area of the ENAV buffer is not allocated, and when the error signal is not displayed, not downloading the predetermined ENAV file to 0 The assigned updateable marking area. 11. A method of managing a buffer for use in a conversational service of an interactive device, the interactive device having an ENAV buffer, the method comprising: - allocating at least a portion of the ENAV buffer as an updateable Marking area for ENAV file based on ENAV buffer architecture information; and downloading the ENAV files to the allocated updateable marked area in the ENAV buffer for conversation service. 28 1301968 13426pif.doc is the Chinese manual of No. 93108806 without a slash correction. The date of this modification: May 30, 1997. The method described in claim 11 includes the memory in the information according to the ENAV buffer architecture. Body size information to assign the updatable marker area. 13. The method of claim 11, comprising allocating the updatable labeled area based on memory name and size information within the ENAV buffer architecture information. 14. The method of claim 11, comprising reading the ENAV buffer architecture information recorded in a downloaded information file, and downloading the predetermined ENAV file comprises downloading a corresponding information name and location ENAV file, and it is recorded in the downloaded information file. 15. The method of claim 11, comprising reading the ENAV buffer architecture information recorded in a downloaded information file in a memory component to determine whether one of the ENAV files is buffered in the An updateable marking area. 16. The method of claim 11, comprising reading a memory name and size in the ENAV buffer architecture information of one of the attributes of the memory component downloaded to the information file. 17. The method of claim 11, comprising: reading a start file having a directory stored in the ENAV file as a predetermined download information file; and reading the record in the downloaded information file The ENAV buffer architecture information. 18. The method of claim 17, comprising downloading the ENAV file stored in the updateable identification area in a storage medium 29 1301968 13426 pif.doc Date of modification: May 30, 1997 No. 93108806 has no underline correction, 'and the updateable label area is related to the name and location of the ENAV file recorded in the downloaded information file. 19. The method of claim 17, comprising: requiring a server to record the name and location-based information of one of the ENAV files in the downloaded information file, and downloading the server One of the ENAV files is to the updateable marking area. 20. A computer readable medium that implements the method of claim 1 of the patent, which is encoded by a computer processing instruction. 21. The method of claim 1, comprising reading the ENAV buffer architecture information file in a storage medium, wherein the interactive device stores audio and/or audio of the ENAV file in an interactive mode. Video (AV) data. 22. The method of claim 21, further comprising detecting a location of the ENAV file referred to by the storage medium as a memory component as reading the AV on another storage medium other than the storage medium The data is used, and the location of another ENAV file is located on the storage medium, and further includes downloading one of the ENAV files as an updateable identification file and buffering the allocated in the ENAV buffer. The marked area can be updated, and other ENAV files that are not as updateable identification files are downloaded to the other part of the ENAV file, and the updatable identification file is not assigned to the area outside the updateable marked area. 23. The method of claim 22, wherein the another storage medium is in a server, includes a connection and is retracted by the server to download 30 1301968 13426pif. doc is the Chinese manual of No. 93108806 without a slash correction This modification date: May 30, 1997, to the ENAV file of the updateable marked area of the buffer. 24. A method of managing a buffer of a recording and reproducing device for reproducing interactive data read by a first data and a storage medium in an interactive mode, the method comprising: allocating a buffer to retaining an updateable pattern An updateable marked area of the interactive material, and another area of the storage medium in which the interactive data is read by the interactive material; Before using the first data to reproduce an interactive file in the interactive mode, if the interactive file is in an updateable form, download an interactive file in the updateable marked area, if the interactive file is In another type, the interactive file is downloaded to other areas. 25. The method of claim 24, further comprising reading information in the storage medium to determine the size of the updateable marked area. 26. The method of claim 25, wherein determining the size comprises reading a predetermined size of the updateable marked area in the interactive material. 27. The method of claim 25, wherein reading the predetermined size comprises detecting information of a downloaded information file on the interactive file, stored in the storage medium, and read from the download The predetermined size of the information file. 28. The method of claim 25, wherein determining the size comprises detecting a file system for the interactive material, the interactive material being read by the storage medium and determining from the file system The size of the updateable marked area. 29. The method described in claim 25, wherein the decision is made to 31 1301968 13426pif. doc is No. 93108806 in Chinese without a slash correction. The revised period: May 30, 1997 曰 size includes receiving another The size of the storage medium can be used for buffering the interactive file. The method of claim 29, further comprising detecting the interactive material, wherein the storage medium reads a location of another storage medium, wherein receiving the size comprises transmitting the interactive file by the device One requests to the other storage medium and receives a response containing the content size in the other storage medium. 31. The method of claim 30, wherein downloading the interactive file comprises receiving a response to an indicator to distinguish between an updateable type downloaded to the updateable marked area and another type . The method of claim 24, wherein the allocating the buffer further comprises detecting information of a downloaded information file, which is downloaded to the interactive file and stored in the storage medium. 33. The method of claim 32, wherein the downloaded information file includes downloaded location information of the interactive file, and downloading the interactive file includes downloading the interactive file read by the downloaded information file. s position. 34. The method of claim 33, wherein the location comprises a location on the storage medium, and downloading the interactive profile comprises reading the interactive profile of the location on the storage medium. 35. The method of claim 33, wherein the location comprises a location on another storage medium, and downloading the interactive profile comprises reading the interactive profile of the location on the other storage medium. 36. The method of claim 35, wherein the another storage medium is configured in a server, and the file for downloading the interaction includes 32 1301968 13426pif. doc is the Chinese manual of No. 93108806 without a slash correction The revised period: May 30, 1997, the device is connected to the server to receive the interactive file. 37. The method of claim 36, further comprising receiving a response from the server to indicate that the interactive file is buffered in the interactive area and is set to the size of the assigned updateable marked area. . 38. The method of claim 37, further comprising providing a conversation service in an interactive mode that utilizes the interactive profile and the regenerated first profile in the updateable marked area. 39. The method of claim 37, further comprising providing an internet service in the interactive mode that utilizes the interactive profile and the regenerated first profile in the updateable zone. 40. The method of claim 32, further comprising detecting one of a plurality of interactive files for use in an interactive mode, and downloading the interactive file includes downloading the buffer using the detection command The interactive file. 41. The method of claim 24, further comprising providing a chat service in the interactive mode, utilizing the interactive profile and the regenerated first profile in the updateable marked area. 42. The method of claim 24, further comprising providing an internet service in the interactive mode that utilizes the interactive profile and the regenerated first profile in the updateable zone. 43. The method of claim 24, further comprising: detecting whether the interactive file has been updated, compared to the previously downloaded file of the interaction, and when the interactive file has been updated, downloading the The updated interactive file is added to the updateable marked area to replace the original downloadable to the updateable label. 33 1301968 13426pif.doc is the Chinese manual of No. 93108806. There is no slash correction. Modified date: May 30, 2007 The interactive file in . 44. The method of claim 43, wherein the interactive file and the updated interactive file are downloaded by another storage medium to a buffer other than the storage medium having the first data. 45. The method of claim 24, wherein the first data comprises an image, and further comprising displaying the image on a first region of the screen and the regeneration on a second region of the screen The interactive file is displayed together. 46. The method of claim 45, wherein the first data is a video comprising the image. 47. The method of claim 24, wherein the first data comprises audio data, and further comprising displaying the reproduced interactive file in an interactive screen when the audio data is reproduced. 48. A computer readable medium implementing the method of claim 24, which is encoded by a computer processing instruction. 34 1301968. Like the repair (more) is replacing the page! 13426pif.doc —...· For the Chinese manual No. 93108806, there is no slash correction. Revision date: May 30, 2007, Chinese abstract: A recording and reproducing device, Used in conjunction with a storage medium containing ENAV buffer architecture information, including an ENAV buffer 'for downloading an ENAV file; an ENAV engine for interpreting and reproducing the ENAV file, wherein the ENAV file is assigned at least a portion of the ENAV buffer The device is an updateable identification area based on the ENAV buffer architecture information to read the ENAV file and download the ENAV file in the ENAV buffer. Abstract: A recording and reproducing apparatus for use with an information storage medium including ENAV buffer configuration information includes: an ENAV buffer in which an ENAV file is loaded; and an ENAV engine which interprets and reproduces the ENAV file, ENAV engine allocates at least a portion of the ENAV buffer as an updateable markup area in the basis of ENAV buffer configuration information, reads the ENAV file, and loads the ENAV file in the ENAV buffer. VII. Designated representative map: (1) The designated representative figure: Figure 4 (b) The simple description of the symbol of the representative figure: 202: ENAV buffer A, B: area VIII. If there is a chemical formula in this case, please disclose the chemical formula that best shows the characteristics of the invention: