TWI223563B - Methods and systems for transmitting delayed access client generic data-on-demand services - Google Patents

Abstract

A DOD broadcast method for transmitting client generic sequences of data blocks comprising: preparing a client generic data transmission sequence of data blocks, wherein said client generic data transmission sequence has a sub-optimal time delivery characteristic; transmitting a data file consisting of said sequence of data blocks in accordance with said sub-optimal transmission sequence to a plurality of clients such that a receiving clients may begin to access said data file within a predetermined time. Preparing said sequence includes: receiving a data file; specifying a time interval; parsing said data file into multiple data blocks based on said time interval such that each data block is displayable during said time interval; determining a required number of time slots to send said data file, wherein each of said time slot has a duration substantially equal to said time interval; allocating to each time slot one of the data blocks.

Description

Milk 3563 108408_ ^ Ά_Revision V. Description of the Invention (1) ~-1 · Field of Invention: The present month relates to a general Data-on-demand (◦D) system, and the present invention is particularly related to Data transfer sequencing. 2. Background of the invention: The slave video (Vi deo-on-demand, V0D) system is an on-demand data system = a type. In the vOD system, the video data file is composed of one servo, one servo network, and three servo networks. Provided to one or more users on an on-demand basis. ^ In a traditional V0D architecture, a server or a server network communicates with the user at a standard level of user-server type, for example, tfi ^ Issue, request to a server, request a data file (such as a t-file), in response to the user's request, the server sends the request-"to the user" in the standard user server type In the state, a user's request can be completed by one or more servers. The user has no power to store any received data file in non-volatile memory. For the later use, the standard user server type is a two-way communication facility. Currently, two-way communication requires new facilities because the existing cable can only provide one-way communication. 1. hybrid fiber coaxial cable er 〇ptics coaxial cables (HFC) or all-fiber facilities, replacing existing cable installations

Page 6 ~ Description of the invention (2) ~ ^ ~ i μ is expensive, but it contributes to adversary + burden. The service of war may not be provided by most users. ~ Cable ^ 'It should be provided ~ The capacity of each item is 11% larger than that of the data.>' Because of the power of the mouth, the control of the support device provides services from time to time. The number from each number and quickly regarded as a round only 1 0 0 0 to the device to maintain (for example, many suppliers must be a user of this mechanism of the disk array servo can send video 2 0 0 0 The amount must be increased in addition to the local servo. The standard user server type is off the second volume. The map provides V0D services to: i The user server type is not allowed to _ mechanism to continuously 1f the ^ * 1bu in the network. ® ^ Listen and satisfy the two requirements, therefore, can be charged to the service-the mechanism has a large use; two = parallel uasSiVely_parallel) computer method, even if the fastest local server has About this, in order to serve more users, local servos plus local servers need more upper-level server mechanisms. " The frequency of the C server is different from the three states of the C server: the limitation is that each user needs to suppress the dagger. This total required bandwidth is proportional to the number of users. Yu:; Γ Buffer memory memory) has been used to improve the frequency. Buffer memory is not used to solve the problem because buffer memory is currently 'in order to make video on-demand services more affordable for users, existing service providers are using local server capabilities. Add each part

Page 7 1223563 Λ Amendment Case No. 9110841 V. Description of the Invention (3) Proportion of users of the server, generally% ^ ^ H condition 'the ability to provide services to 1 0 0 users 1] Benefits' In fact, it can be used to serve 1 0 0 0 0 users, 5 ί: If you do n’t click on the video at the same time, 'this technology is also allowed to stare': while 'this technology is the same user may be at the same time Face * 1, the number of mouths and holes, two persons, ^ E. y want to watch as δίΐ (such as evening and weekends), and & into the local server in this way, therefore, the present invention hopes to provide an ability to The load-on-demand service is provided to a large number of users, and the transferable transmission medium is applied. Further, the present invention hopes to provide a universal broadcast system for users with a well-established transmission bandwidth; ^: The number of users has no ability to provide user systems that require a reduction in transmission bandwidth and choose services. I-Personal Information with 3. Objects and Overview of the Invention The present invention provides a DOD broadcasting system that can simultaneously reduce the bandwidth of a user ’s general data block arrangement = two or even under a narrow bandwidth, and There is no two-way communication, and it provides a large number of uses-a video receiver, which can be provided in a short time when the data file is & On the side of the square car Kart Beco Chu broadcast, even more Chi Wanling widen the way to download the data file, brake field μ

Allow customers to receive a smart phone one time later ▲ ’, use I 1223563 case number 91108408 V. Description of the invention (4) Briefly, the data of the audit case is treated as a reduced

Those who come to broadcast, broadcast, and broadcast continuously broadcast the time that the media is selected to pick up. After receiving a large amount of data from the server, the server and the server will send a large amount of data to the server. The selected broadcast is the client ’s general data file, the number of transmission media, the number of data files, and the number of data files in the receiver. The receiver ’s files are consistent with the right information. Receiver; to shrink; in this authorized resource to show a part of the specified time can store a part of the data file can be used to transfer a large amount of data, where each data file is transmitted serially, including : One-use (DOD) broadcast server; one with the transmission media and data on-demand in the data-on-demand broadcast server. The general format of the client will be used to request and send a message through this receiver; this receiver The receiver will take the receiver one step further and specify a selected data file for use by the receiver to display the item at the beginning. Sequence Data Area Data Area Dungeon Sequence > ’in%. Better response data ~ Time-invented another data with the block. The block is completed. This one at a time further transmits at least the transmission sequence interval. The lateral example is the best-selected (D0D) broadcast method of Tochigi, including The following action data transmission sequences are not exactly the same in the sequence; transmission in a non-user-specified manner according to the next-best transmission sequence to the user will begin in the specified time period and then have a duration of- The information of the data block sequence. The actions in this row include: prepare a data, and then prepare this data file according to this time interval; analyze and prepare two neighboring data files that are used by the data area in large quantities. Large amount of money

1223563 —One __Case No. 91108408 _ ^ Fifth, the description of the invention (5) The data block makes each data block displayable in the time interval;, determine the number of time slots required The data file is transmitted, and each time slot has a duration equal to one of the time intervals; at least one data block of one of the plurality of data blocks is allocated to each time slot. A data-on-demand server is used to control this-a set of channel server phase links. In a real group, it is used for monitoring, and a unified error occurrence server will serve one of the frequency increasers in a group of servers, and in the embodiment, the second group of the system is used to monitor the server. The first frequency switching system includes a first group of channel servers, a central control and a group of channel servers. The first group of frequency increasers is connected to the first, a combiner / amplifier and the first group of frequency increasers / amplifiers. The data can be transmitted through the transmission medium. This data on-demand system also includes a channel monitoring module: a switch matrix, and a second group of channel servo boosters. This channel monitoring module is installed for reporting to the central controller. This central control servo mode, and returns to take a response 'instructs the switch matrix to switch the channel server of the first defect to the second group of frequency 2 servers, and the defective group of frequency increasers in the first group of frequency increasers. One of the upconverters. One is used to receive the data file of Ethiopia, which contains the following actions: ^ ^ Data block sequence data file transmission; Receive a user input instruction to select a large number of data blocks within a specified period of time ~ keep at least one Data block sequence =: memory location; to the user in the first part of the designated field plan; at least

At least

Page 10 1223563 Case No. 91108408 Λ: _η Revision V. Description of the invention (6) Receive one additional data block from a large number of data blocks of the best data block sequence; and the second part of the data file Displayed to the user by combining at least one of the stored data blocks with this additional data block. This video receiver is not intended to be limited to a device belonging to a television, but may include any device capable of receiving broadcast transmissions in a manner consistent with the present invention, including more advanced television systems and computers. DETAILED DESCRIPTION OF THE INVENTION The present invention provides a data-on-demand (DOD) broadcasting system capable of simultaneously transmitting one or more data files in the form of a sub-best sequence of data blocks to a large number of users in a narrow bandwidth, without the need for two-way Communication, the present invention further provides a set-top box (STB) that can start to release a data file within a short period of time when the user selects the data file. Furthermore, it provides a more bandwidth-efficient method to download the data file. Delay the client's reception time to allow a smart set-top box to carry part of the data file before it starts playing the data file.

Page 11 I223563

Amendment ~ _ ^ _ Case No. 91108408_ ^ V. Description of the invention (7) = Second, when these methods provide users with universal data on demand (DOD) services, 'the required transmission bandwidth is further reduced to exchange reception time. Delaying FIG. 1A illustrates a typical on-demand video system 100 consistent with one embodiment of the present invention. In this embodiment, the video-on-demand system i 00 is not limited to providing video files on-demand, but Can also provide other data: case. For example, on-demand game files. The video-on-demand system 100 includes a central control server 102, a central storage 103, a large number of servers 104a-10 4n, a large number of boosters 106a-106n, and a combiner / amplifier 108. The central control servo The central storage 103 stores the data files in a digital format. In a typical embodiment, the data files are stored in the central storage 103, which can be accessed through a standard network interface (such as , Ethernet connection) to be obtained by any authorized computer, so that the central control server 102 is connected to the network. Each channel server 104 is assigned to a channel and is connected to an up-converter 106. This channel server 104 provides it to be retrieved by the central storage unit 103 according to the instructions of the central control server 102. Data files. The output of each channel server is a modulated intermediate frequency (IF) signal of quadrature amplitude modulation (QAM). It has an appropriate frequency to correspond to the booster. 1 0. This QAM has modulated the IF signal depending on the adopted standard. The latest adopted standard in the United States is the data-over-cable-systems-interface-specification DOCS IS standard. This standard requires an IF frequency of about 43. 5 7MHz.

Page 12 1223563 Factory--0 ^ _JU〇84〇8 ___ Years and months of revision V. Description of the invention (8) The frequency-increasing source 1 0 6 converts the F signal received by the channel server 丨 〇4 into a radio frequency signal ( RF signal), which includes an RF signal of frequency and bandwidth, depending on a required channel and the standard used. For example, under the latest standard of the US i cable channel 80, the frequency of this RF signal is about 55 9. j5MHz, and the bandwidth is about 6MHz. The output of the booster 106 is sent to the combiner / amplifier 108. The combiner / amplifier 8 amplifies, organizes, and combines the received RF signal and outputs it to the transmission medium 1. In a typical embodiment, the central control server 102 includes a graphical user interface (not shown) for a service provider to perform data transmission using drag and drop operations. Sequencing, further, the central control server 1 0 2 authorizes and controls the channel server 丨 0 4 to start or stop according to the transmission matrix. In a typical implementation, the central control server 102 automatically selects a channel and The transmission matrix is calculated in the selected channel to transmit the data file. This central control server 10 provides offline data file information addition, deletion and update (for example: duration, category, subscription power, and / or short description) ) Furthermore, the central control server 10 uses the updated data file and stores the database to control the central controller 103. • In a typical embodiment, 'an existing cable television system 120 may continue to supply signals to the combiner / amplifier 102 to provide non-on-demand video services to customers, so on-demand video in accordance with the present invention System 1 0 0 does not-interrupt the cable TV service. 1

Page 13 1223563-Year Month Day Amendment V. Description of the Invention (9) Figure 1 B illustrates the month—a typical videoconferencing system 100 consistent with another embodiment of the present invention, except for A, ΛΕ; Ιαα% recognition One master ',, and Yu are described in the picture of brother 1a, and the video-on-demand system 100 also calls M & visit! !! 〇 ^ _ 疋 Bar contains a switch matrix 1 12, a channel monitoring module 114 'a set of backup channel servers 116a-116b, a set of backup boosters 11 8a-11 8b' in-embodiment, the switch Matrix 11 2 is placed between up-converter 106 and combiner / amplifier 108, the switch matrix 1 2 is controlled by a central control server, and the channel monitoring module 11 4 is assembled by a large number of Video receiver (set — t 〇 p _ b 〇 χ es) to simulate potential users, used to monitor the normal state of the on-demand video system 1 ο 0, the monitoring results are transmitted to the central control using the channel monitoring module 114 Server i 〇2, if an error occurs (for example: a channel server failure, a booster failure, or a communication link failure) 'the central control server 1 〇 2 through the switch matrix 1 丨 2 to remove the faulty component , And join the normal backup element n 6 and / or n 8 to restore the service. In a typical embodiment, data is broadcasted by the Data On Demand System (DOD) 100. Motion picture expert group (MPEG), each motion picture compression standard file is dynamically divided into The data blocks and sub-blocks are drawn to a specific data file along with a time axis. These data blocks and sub-blocks follow a three-dimensional transfer matrix provided by the central control server 102 at a predetermined time. Is sent out, a feedback channel does not need the data on-demand service provided by the data on-demand system 1000, however, if a feedback channel is available, this feedback channel will be

Page 14 1223563 ______PM 911〇84〇g_ ± __Ά_Θ ______— Amendment_ V. Description of Invention (10) The law is used for other purposes, such as advertising or providing Internet services. FIG. 2 illustrates a typical channel server 104 consistent with an embodiment of the present invention. The channel server 104 includes a servo controller 202, a central processing unit (CPU) 204, and a right angle. Phase Difference Amplifier Modulator (QAM) 20 6,

A local memory 2 0 8 and a network interface 2 1 0. This servo controller 2 uses the command central processing to divide the data slots into 20 4 blocks to control the entire operation of the channel server 104 (a further part is divided into data blocks and data packets). According to the central control The transmission matrix provided by the server 102 selects data blocks, encodes the selected data, compresses the encoded data, and transmits the compressed data to the QAM modulator 20 6 which receives the data And then transmitted through a bus (for example, PC I, CPU local bus) or an Ethernet connection. In a typical embodiment, the QAM modulator 206 may include a downstream QAM modulator , An upstream QAM / QPSK (quadrature phase shift keying) blast demodulator with a forward error correction decoder, and / or an upstream regulator, the output of the qAM modulator 206 can be directly IF signal sent to a frequency of 1.06. The web interface

1 0 2 Connect this channel server 1 〇 04 to other channel servers 1 〇 4 and the central control feeding service β 1 0 2 to perform sorting and control the status from the central control server 〇 02. The central control server 丨 〇2, and receive data from the central storage 2 l0f 'any data received from the central storage 103 data, so the data is processed according to the instructions of the servo control 202 Yuyue: ϋI is in the local memory 20 8 of the channel feeding 11 10 4. In a typical%? This channel feeder 1 04 may be sent according to the bandwidth of a limited channel

• Page 15 1223563 Case No. 91108408 Rev. V. Invention Description (11) One or more data on-demand data strings (for example: 6, 6, 5, or 8 QAM modulation (for example, QAM64 or QAM2 5 6, and the compression standard / on-demand number I) 'The bit rate of the stream, which is MPEG-1 or MPEG-2). Fig. 3 illustrates a typical machine in accordance with an embodiment of the present invention. The STB 300 includes a QAM demodulator 302, a CPU 304, and two conditional access modules 3 0 6 (for example, a Smart card system), a local memory ^ 3 0 8 ', a buffer memory 30 9, a ST controller 310, a decoder ~-3 1 2 and a graphics overlay module 3 丨 4, this ST her The controller 3 1 0 controls all the operations of 3 3 3 0 0, and uses the control 0 1 3 2 0 2 and the Lu River demodulator 3 2 2 to select data in response to the user's request, decode the selected data, and decompress the data. The decoded data is recombined with the decompressed data, the decompressed data is stored in the local memory 308 or the temporary storage memory 309, and the stored data is transmitted to the decompressor 3 1 2 in a typical embodiment. The ST Peng controller 3 controls the operation of all STBs 300 according to the data packet end of the data packet received from the transmission medium 110. In a typical embodiment, the local memory 308 includes non-volatile memory (such as a hard drive), and temporary memory 309 including non-volatile memory. In this embodiment, the QAM decoder 302 includes a transmitter and receiver module, and one or more of the following components: an encryption / decryption module, a previous error correction decoder / encoder, a regulator control, and a downstream With the upstream processor, CPU and memory interface circuit, this qAM demodulator 302 receives the modulated IF signal, samples and demodulates this signal into the original data.

Page 16 1223563 -1 ^ 91108408 Date of Amendment V. Description of Invention (12)

After authorization and / or an appropriate fee has been charged, and when access is granted, the conditional access module 306 allows a decoding process, and the access conditions are specified by the service provider.

The authorization method includes directly inserting the subscription level and advance notice level into the on-demand data tag. The set-top box (STB) 3 0 0 reads the subscription level and compares the subscription level stored in STB 300. If the stored subscription The level is the same as the subscription level that came with the data on-demand service, then the customer is authorized to receive this service. As for the notice level, one STB300 reads the notice level that comes with the data on-demand service and displays the same as A message that matches the notice level 'This authorization method was proposed by Huang Kui's patent application, and the title of the patent is "Controlling Data-On-Demand Client Access" ^ July 2011 It was filed today that the applied US application number 09 / 902,503 has been incorporated in the reference. In one embodiment, once access is granted, the decoder 3 1 2 decodes at least one data block into Output the image displayed on the screen. This decoding Is 3 1 2 supports the instructions from the viewing client, such as play, stop, pause, step, reverse, forward, etc. This graphics overlay module 3 1 4 uses, for example, to provide alp ah blending or pictur-in-picture to increase

Page 17! 223563 —-m ^ rnm_Day Correction 5 ^ Describes '——- = No graphics quality' In one embodiment, this graphics overlay module 3 " can = be used in game execution mode Graphics acceleration, such as when service providers use the invention to provide on-demand game services. In an embodiment, even if the data is broadcast to all cable TV users, only the on-demand data subscribers have compatible STB3 0 0 and can == code and enjoy data on-demand services. 'In the embodiment, Can be obtained through :; = Smart card system in the mold to obtain the data of the optional item of the bull = thinking, a smart card may be available in general stores, or may be provided and installed by the supplier, in another embodiment In the case of unified subscribers, unrestricted storage of available data slots is available: 糸 ,, first ", in one embodiment, the preferred time for on-demand data interaction is to select available data audits, and press from customers; in Any time until the selected data structure starts to be released, the time of 5 is called the response time. When more resources (such as .B, B, the total number of rooms * upper: skin configuration to provide on-demand data services Then, the response time is :: In one embodiment, a response time can be determined by the resource allocation request, and the estimated service quality. Therefore, in an embodiment, a selected response time, this Time zone (TS) duration The time is the time interval between the continuous blocks of the client j: time zone. In one embodiment, the number of data files is divided into a large number of data blocks, so that each of them becomes more and more; Available at this time

1223563 --- Case number 91108408_ 年月 日 绦 正 5. The description of the invention (14) allows the data file to be played during the duration of the zone. In one embodiment, the number of data blocks (NUM-OF-BLKS) of each data file can be calculated in the following ways:

Estimate-BLK-Size = (DataFile-Size * TS) / DataFile-Length (1) BLK-SIZE = (Estimate BLK-Size + CLUSTER-SIZE-1 Byte) / CLUSTER-SIZE (2)

BLK-SIZE-BYTES: BLK-SIZE * CLUSTER-SIZE (3) NUM-OF-BLKS = (DataFile-Size + BLK-SIZE-BYTES-lByte) / BLK —SIZE_BYTES (αλ in equation (1) to ( 4), where £ 31 ^ 11 ^ seven 6-31 ^ -8126 is the predicted size of a block (in bytes); its D at aF i 1 e — S ize is the size of the data item (in bits) Tuples); TS is the duration of the time zone (in seconds); DataF i — Length is the data file performance time (in seconds); BLK — SIZE is the cluster required for each data block The number, CLUSTER-SI ZE is the size of the cluster (such as 64K bytes) for each channel server in local memory 2.08, and bLK_SIZE_BYTES is the block size in bytes. In this embodiment, , The number of blocks 〇long one 『『 61 ^ 3) is equal to the size of the data file (in bytes) plus _ the size of the data block displayed in bytes minus one byte in the divided by the bytes The size of the displayed data block, equations (丨) to (4) illustrate a unique implementation

Page 19, 1223563 __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ The main functions of a certain amount of data block unique block prediction size and the cluster size of the local memory 208 on the channel server 104 are not limited to the above-mentioned embodiments. FIG. 4 illustrates a typical procedure for generating a sequence matrix for sending data files according to an embodiment of the present invention. In the embodiment, the present invention uses time division multiplexing (TDM) and frequency division Frequency division mutiplexing (FDM) technology performs compression and sequence data transmission on the server side. In one embodiment, each data file is divided into a certain number of data blocks and a sequence matrix is generated according to the number of data blocks. , Typically, the sequence matrix provides a sent sequence of blocks of data files from the server to the client, and these data blocks can be sequentially accessed by any client who wants to access these data files at any time . "

The number of data blocks (χ) in the data slot case is received in step 4 2 ', a first variable, j, is set to zero (step 404), and a reference array is cleared (step 406). This reference array Data blocks are continuously tracked for internal management purposes. Next, j is compared with X (step 408). If j is less than χ, a second variable i is set = zero = = 412). Next, 丨 is compared with meaning 414) If i is less than X ', the data block of row (X)] stored in the sorting matrix is blamed and written to the reference array (step 41, the test array already has this data block', then A is not repeatedly written. At the beginning, for

1223563 _Case No. 91108408_ Year Month Amendment_ Five. Description of the invention (16) There is no entry for the sorting matrix. This step can be omitted. Next, the reference array is checked to see if it contains data block i (step 4 2 0) At first, because all the entries in the reference array are cleared in step 406, there is no data in the reference array. If the reference array does not contain data block i, data block i is added to the sorting array [(i + j) the position of (X), j] and the reference array (step 4 2 2), after the data block i is added to the sorting array and the reference array, i is incremented by 1, so i = i + 1 (step 4 2 4), then the program repeats step 4 1 4 until i = X. If the reference array contains data block i, i is incremented by 1, so i = i + 1 (step 4 2 4), and then the program repeats step 4 1 4 until i = X, when i = X, j is incremented by 1, so j = j + 1 (step 4 1 6), then the program repeats step 4 0 6 until j = X, the entire program is at j = X End (step 4 1 0). In an embodiment, if a data file is divided into six data blocks (x = 6), the sort matrix and reference array are as follows: Sort matrix (SM) TSO TS1 TS2 TS3 TS4 [0,0] blk0 [l, 0] blkl [2,0] blk2 [3,0] blk3 [4,0] blk4 TS5 [5, 0] blk5 [0,1] [1,1] blk0 [2, 1] [3 , 1] [4,1]

1223563 Case No. 91108408 Rev. V. Description of the Invention (17) [5, 1] [0,2] [5, 2] 1, 2] [2, 2] blk0 [3, 2] blkl [4, 2 ] [2, 3] [〇, 3] [1,3] [5, 3] blk2 [3, 3] blk0 [4, 3] [0,4] [1,4] blk3 [2, 4] [ 5, 4] blkl [3, 4]

[4, 4] b1kO

[2, 5] [0,5] [1,5] [5, 5] blk0 [3, 5] blk4 [4, 5] Reference Array (RA)

spaceO space 1 space2 space 3 space4 space5 TSO blkO blkO blkO blkO blkO blkO TS1 blkl blkl blkl blkl blkl blkl TS2 blk2 blk2 blk2 blk2 blk2 blk2 TS3 blk3 TS4 blk 4 blk4 blk3 blk3 blk3 blk3 TS4 blk4 blk3 Page 22 1223563 _ Room No. 91108408_ Year Month _ Day Amendment __ V. Description of the Invention (18) In this typical embodiment, based on the above-mentioned sorted array, the six data blocks of this data file are sorted by the following Sort out: TS0 = > b1k0 TS1 = > blkO, blkl, blk3 TS2 = > blkO, blk2 TS3 = > blkO, blkl, blk3, blk4 TS4 = > blkO, blk4 TS5 = > b 1 k0, b1k1, b 1 k2, b1k5 In another typical embodiment, a preview program can be used to calculate a preview matrix before the access time is predicted to send a data block of a specified data slot. For example, a pre-specified preview time is a time zone. For any time zone greater than or equal to the 4th time zone, the data block (b lk) 4 of the data file should be subscribed at or before the time zone (TS) 3 customer Received at the user's station> STB3 0 0, but Mk4 should not be released until TS4. Therefore, the program steps to generate a preview matrix will be transmitted early. The sequence and sequence are similar. Figures & described above

The procedural steps of the two preview matrix are, in this embodiment, according to _ 预 ^] =, the hypothesis history is a data structure, which is divided into six * data blocks, a typical === sorting array to transfer and transfer in two The time delay between the time zones can be expressed as follows: 卞 间 i

I223563 _ Case No. 91108408 Amendment Month and Day V. Invention Description (19) TS0 II> blkO TS1 = > blkO, blkl, blk3, blk4 TS2 = > blkO, blk2 TS3 = > b 1 k0, b1k1, b 1 k3, b 1 k4, b1k5 TS4 = > blkO, blk5 TS5 = > blkO, blkl, blk2 are used to transmit the ordering matrix produced. In this three-dimensional file, three channels are used-typically used for Row ordering all numbers may be agreed and the data-typical cases are sequenced to generate one in the following example, for example, the number of numbers, 'The optimal block is sent by the system into a three-dimensional transfer matrix of six data files _ _______ _ It is generated that each data file in the data file group transfer matrix generates a data file ID for each data file group. This three-dimensional transmission matrix is calculated to make use of the available bandwidth to transmit multiple data files. Data streaming. Among them, a convolution method, which is quite famous in this technology. A two-dimensional transmission matrix is used to explain the effective transmission of data file groups. A convolution method may include the following strategies: (1) According to the block in any Time zone support Both periods should be kept at the top and (2) if there are multiple partial solutions that are strategized (), the first solution is the one with the smallest data block and is sent during the previous time zone. For example, suppose Two short data files M and N, each with a data area%, according to the transfer formed by the sort matrix:

TS0 = > b 1 k0

Page 24 1223563 Case No. 91108408 Revised V. Description of Invention (20)

TS1 = > blkO, blkl, blk3, blk4 TS2 = > blkO, blk2 TS3 = > blkO, b 1 k 1, blk3, blk4, TS4 two > blkO, blk4 TS5 = > blkO, b 1 k 1 , Blk2, blk5 Apply the above-mentioned typical roundabout method, the transfer matrix 丨 may be combined as follows: Option 1: Send the video file total data block TSO MO, NO 2 TS1 = > MO when the time zone 2 (TS) is transferred , Ml, M3, NO, Nl, N3 6 TS2 = > MO, M2, NO, N2 4 TS3 = > MO, Ml, M3, M4, NO, Nl, N3, N4 8 TS4 MO, M5, NO, N4 4 TS5 = > MO, Ml, M2, M5, NO, Nl, N2, N5 8 Option 2: Send the total data block of the video slot when transferring I TS TSO = > MO, NO, Nl, N3 4 TS1 = > MO, Ml, M3, NO, N2 5 TS2 = > MO, M2, NO, Nl, N3, N4 6 TS3 = > MO, Ml, M3, M4, NO, N4 6 .page 25 1223563 _ Case No. 91108408_ Revised Year, Month, and Day V. Description of the invention (21) TS4 = > M0, M4, NO, Nl, N2, N5 6 TS5 II > M0, Ml, M2, M5, NO 5 Select [丨: Send video slot total data block TS0 when transferring 2TS => M0, NO, N2 3 TS1 2 > M0, Ml, M3, NO, Nl, N3, N4 7 TS2 = > M0, M2 , NO, N4 4 TS3 = > M0, Ml, M3, M4, NO, Nl, N2, N5 8 TS4 = > M0, M4, NO 3 TS5 two > M0, Ml, M2, M5, NO, Nl , N3 7 select 4 ·· Send video file general data block TSO MO, NO, Nl, N3, N4 5 TS1 = > MO, Ml, M3, NO, N4 5 TS2 = > MO, when transferring 3TS M2, NO, Nl, N2, N5 6 TS3 = > MO, Ml, M3, M4, NO 5 TS4 = > MO, M4, NO, Nl, N3 5 TS5 = > MO, Ml, M2, M5, NO, Nl, N2 6 Option 5: Send the total data block of the video slot when transferring 4TS TSO => MO, NO, N4 3

Page 26 1223563 _Case No. 91108408_ Year Month Date_ V. Description of the invention (22) TS1 M0, Ml, M3, NO, Nl, N2, N5 7 TS2 II > M0, M2, NO 3 TS3 = > M0 , Ml, M3, M4, NO, Nl, N3 7 TS4 = > M0, M4, NO, N2 4 TS5 M0, Ml, M2, M5, NO, Nl, N3, N4 8 Option 6: Send when transferring 5TS Video slot total data block TS0-> M0, NO, Nl, N2, N5 5 TS1 M0, Ml, M3, NO 4 TS2 = > M0, M2, NO, Nl, N3 5 TS3 = > M0, Ml, M3, M4, NO, N2 6 TS4 = > M0, M4, NO, Nl, N3, N4 6 TS5 = > M0, Ml, M2, M5, NO, N4 6 Apply strategy (1), select 2 , 4, and 6 have the maximum value of the smallest data block transmitted in any time interval (for example, 6 data blocks), and apply the strategy (2). In a typical embodiment, the optimal transmission matrix is selected 4. Because 4 has the smallest sum of data blocks in any reference time zone and data blocks in adjacent time zones (for example, 16 data blocks), the data file N is optimized for the purpose of the optimization of this embodiment. Only teleports the Eagle to pan 3 time zones, Embodiment, a three-dimensional matrix of transmission channels generated by each embodiment of a server 104.

Page 27 1223563 _ Case No. 9Π08408_ Year Month ___ V. Description of the Invention (23) When the data block of each data file is sent out according to the transfer matrix, a large number of subscribed customers can access these at random times Data file, and the data block of this data file can be obtained by each subscriber at the same time, as described in the example above, assuming the duration of the time zone is 5 seconds, the data on demand (DOD) system 1 0 0 Then, the data blocks of the data files M and N are sent according to the optimal transmission matrix, as described below: Time 0 0: 0 0: 0 0 = > MO NO N1 Ν3 Ν4 Time 0 0: 0 0: 05 2> MO Ml M3 NO N4 time 00: 00: 10 2> MO M2 NO N1 N2 N5

Time 0 0: 0 0: 15 = > MO Ml M3 M4 NO time 0 0: 0 0: 2 0 = > M0 M4 NO N1 N3 time 00:00:25 = > M0 Ml M2 M5 NO N2 time 00 : 0 0: 3 0 = > M0 NO N1 N3 N4 time 0 0: 0 0: 3 5 = > M0 Ml M3 NO N4

Time 00:00:40 = > M0 M2 NO N1 N2 N5 Time 0 0: 0 0: 45 = > M0 Ml M3 M4 NO Time 0 0: 0 0: 5 0 = > M0 M4 NO N1 N3 Time 00 : 00: 55 = > M0 Ml M2 M5 NO N2 If time 0 0: 0 0 ·. 0 0 there is a client A who selects movie M, then the client A's example (STB) 30 0 receives, stores, plays, The action of returning these data blocks is as follows:

Page 28 1223563 _Case No. 911Q8408_ Year Month Revision_ V. Description of the Invention (24) Time 0 0: 0 0: 0 0 = > Receive Μ 0 = > Play Μ 0, store Μ 0. Time 0 0: 0 0: 0 5 = > Receive M1, M3 = > Play M1, store MO, Ml, M3. Time 00: 00: 10 = > Receive M2 = > Play M2, store MO, Ml , M2, M3 · Time 00: 00: 1 5 = > Receive M4 = > Play M3, store M0, Ml, M2, M3, M4. Time 0 0: 0 0: 2 0 = > No receive = > Play M4, store M0, M1, M2, M3, M4. Time 00: 00: 25 = > Receive M5 2> Play M5, store M0, Ml, M2, M3, M4, M5. If time 0 0: 0 0: 1 0 A client B selects the video M, then the video receiver (STB) 3 0 0 of this client B receives, stores, plays, and returns these data blocks as follows: Time 0 0: 0 0: 1 0 = > Receive M0, M2 = > Play M0, store M0, M2. Time 0 0: 0 0 ·· 15 = > Receive M1, M3, M4 = > Play M1, store M0 , Ml, M2, M3, M4 · Time 0 0: 0 0: 20 = > No receive play M2, store M0, Ml, M2, M3, M4 · Time 00: 00: 25 = > Receiving M5 = > Playing M3, storing M0, M1, M2, M3, M4, M5 · Time 00: 0 0: 3 0 = > No receiving = > Playing M4, storing M0, M1, M2 , M3, M4, M5. Time 0 0: 0 0: 3 5 = > No reception = > Play M5, store M0, M1, M2, M3, M4, M5. If time 0 0: 0 0: 1 5There is a client C who selects the movie N, then this client C

Page 29 1223563 _Case No. 91108408_Year Month and Day__ V. The video receiver (STB) of the invention description (25) 3 0 0 The actions of receiving, storing, playing, and returning these data blocks are as follows: time 0 0 : 0 0: 1 5 = > Receive N 0 = > Play N 0, store N 0 time 00: 00: 20 = > Receive Nl, N3 = > Play N1, store NO, Nl, N3 time 00: 00: 2 5 = > Receive N2 = > Play N2, store NO, Nl, N2, N3, N4 time 0 0: 0 0: 3 0 = > Receive N4 = > play N3, store NO, Nl, N2, N3, N4 time 0 0: 0 0: 35 = > No receive play N4, store NO, Nl, N2, N3, N4, N5 time 00: 00: 40 = > receive N5 = > Play N5, store NO, Nl, N2, N3, N4, N5 If time 0 0: 0 0: 3 0 there is a client D to select movie N, then the client D side example (STB) 3 0 0 receives, The operations of storing, playing, and returning these data blocks are as follows: Time 0 0: 0 0: 30 = > Receive NO, Nl, N3, N4 = > Play N0, store NO, N1, Ν3, Ν4 · time 0 0: 0 0: 35 = > No reception = > Play N1, store NO, Nl, Ν3, Ν4. Time 00: 00: 40 = > Receiving N2, N5 = > Playing N2, storing NO, Nl, N2, N3, Ν4, Ν5 · Time 0 0: 0 0:45 = > No receiving = > Playing N3, storing NO, Ν1, Ν2 , Ν3, Ν4, N5. Time 00: 00: 50 = > No reception = > Play N4, store NO, Nl, N2, N3, N4,

Page 30 1223563 _SR_lll〇8408 V. Explanation of the invention (26) N5. Revision time 0 0: N5. As shown in the example above, the combination of the cup and the service provider can be combined at any time. No, if it ’s used to pass the above-mentioned practice. When you select and start broadcasting, it is still possible to use the file m time delay to transmit the relative e. A: The human input process is in a very small way. Provide customers with universal on-demand time. The best customers can further reduce the need. "Order & out of the general customer P #P 良 ¥ T and the head width is changed from the parent to the access time delay. Method of using data broadcasting service. Each figure 5 illustrates an example of the Y-type program of the column matrix in accordance with the present invention. The i-type program of the column matrix is in Λ; / V processing sequence w eight w sequence In the embodiment, the present invention uses time division multiplexing = time division multipiexing (TDM) and frequency division mutiplexing (FDM) technologies perform compression and sequence data transmission. In a typical embodiment, an array is generated one at a time for each data file. In one embodiment, In the case, the number f is divided into a certain number of data blocks, and a sequence matrix is generated based on the number of data blocks. Typically, a sequence matrix is provided to send out and sequentially send data file blocks from the server to Customers, and these are accessed sequentially by anyone who wants to access these data files at any time. each

Page 31 1223563 ϋΙ〇Β408

V. Description of the invention (27) Number-: ίΠ ί The number of data blocks (X) is received,-divided (step 506), this ΪΪϊί f'5〇4 ^,-reference array cleared data blocks, then / i '", the official purpose of the internal αP continues to track the second variable j = s =, 5: 8), such as ... X,-step 5 1 4), if i small M 7 ^ Next, 1 Compare with X (If the step is less than X, it is stored in the second-best sorting moment: Omodulo (x)]. If the reference array already has this data = (at the beginning of the step 'because the second-best sorting matrix is not yet available) 2 :: Heavy J write ': Omit, next, go to Farewell 4 steps. This step can be 520), initially because; there are references; two; data block i (steps are cleared, so refer to the array If there is no data port such as m 5 06, 2 is the data block i, then check the next best order 1> row p 歹, 2 2 = i_521), if the second best row is 2 ;; moment block) ^ data block 1 is The data block i is added to the second-best sort ^ (X), J] and the reference array (step J) ^ · The second-best sort matrix and the reference array are added to the data block 1 1 == ι + 1 ( (Step 5 24), then the program repeats step 1? Plus -1, so that the array contains the data block i or the next-best sorting moment 1.11, if f 524 / ^ lt 1223563 (28) X 516), then the program repeats step 5 6 until j = x, and the entire program is ended (step 5 1 0). In one embodiment, if a data file is divided into six data blocks (x = 6), the best-order matrix and reference array are as follows: Sub-best predetermined matrix (SSM) TSO TS1 TS2 TS3 TS4 [ 0,0] blk0 [l, 0] blkl [2,0] blk2 [3,0] blk3 [4,0] blk4 TS5 [5,0] blk5 [〇, 1] [5, 1] [〇, 2 ] [5, 2] 1,1] [2, 1] [3, 1] [4, 1] [1,2] [2, 2] blk0 [3, 2] blkl [4, 2] [0, 3] [1,3] [5, 3] blk2 [2, 3] [3, 3] [4, 3] [0,4] [1,4] blk3 [2, 4 [3,4] [4 , 4] blk0

mm Page 33 1223563 _Case No. 91108408_ Year and Month Revision_ V. Description of the Invention (29) [5, 4] blkl [0,5] [1,5] [2,5] [3, 5] blk4 [ 4, 5] [5, 5] Reference array (RA) spaceO space 1 space2 space3 space4 space5 TS0 blkO blkl blk2 blk3 blk4 blk5 TS1 blkl blkO blk2 blk3 b 1 k4 blk5 TS2 blk2 blkO blk3 blkl blk4 blk5 TS3 blk3 blkl blk blk2 TS4 blk4 blkO blk5 blk2 blkl blk3 TS5 blk5 blk2 blkl blkO blk3 b 1 k4 In this typical embodiment, based on the next-best sorting array, the six data blocks of this data file are sent out in the following order : TSO = > blkO TS1 = > b lk 0, blk3 TS2 second > blkO, blk2 TS3 second > blkl, blk3, blk4 TS4 blkO, blk4

Page 23, 1223563, Amendment No. 91108408 V. Description of the invention (30) TS5 = > blkl, blk2, blk5 When compared with the typical "best " better order of arrangement" in Figure 4, the arrangement order is transmitted less than it. 3 data blocks, this company is typical "when using this typical second-best sorting transmission, i 8 · 75% less frequency-guided best sorting requires a reception case (STB) to delay a time zone and this time The selected data file is given to a user. ~ $ ~ The second-best sorting of the above embodiments is just one of the countless sorting combinations that may be implemented by this technique, which can be implemented concretely. The more the bandwidth is reduced, the more time it takes to get the data in STB # to achieve it. The received STB can show the rigidity of a selected building case. The example should include two or more time zone delayed transmissions. Figure 6 illustrates a typical video receiver (STB) procedure for displaying data files using a sub-optimal sequence matrix transmission consistent with one embodiment of the present invention. This procedure starts at step 602, where STB30 0 (Figure 3) Wide selection from data (DOD) The system 100 (Figure 1A) receives an electronic guide program (EPG). This EPG lists all the slots that can be obtained by the DOD system 100. In step 603, a user clicks on the EPG by pressing Next order button to select a data file. The STB waits for a certain time zone to allow enough data blocks for the selected file to be stored, so that the STB can play the data file without any interruption. According to an embodiment, the CPU3 0 4 (Figure 3) can indicate how much delay is needed to guarantee the selected

Page 1223563

Amendment V. Description of the invention (31) The file can be smoothly and uninterruptedly, with the slave system 100 J data: it is not reached by 2 algorithms or simply late, so the data = the delay required by China and South Korea In order to make the delay j more optimal, the preferred bandwidth can be used. Once the STB is delayed by & g ^, the time to start playing the election will come: = bundle, according to the two embodiments, _,- The data file selected by a search delay node. STBk different users start to play a general operation:-The service provider can arrange to transmit before broadcast: video slot case) to the channel word server Π4, the central two case ( Exemplify the difference and arrive at the three-dimensional transmission matrix (identification, time zone, and order based on labor and benefits) to the channel server. 〇4, H data block transmission test This three-dimensional transmission matrix is to be suitable for the j, channel server 104. The parameter-data file is divided into data blocks such that ς = according to the block, each

According to the number of data blocks of the file and the selected: Area: File '-The data stream bit rate of the data file is la. For example, in the MPEG data stream that holds two times and the data rate, one number is fixed at a time. Bit u afternoon [One hundred and four bytes / second]

Page 36 1223563 Case No. 91108408 V. Description of the invention (32) X time (seconds) / 8 (1).

In a typical example of bismuth, a local block of Channel Server 1 04 that is more than one times as much as a data block is "rounded up" (1) The calculated length is 720,000 bits The size of the cluster of equations mentioned above is 64,000 bytes, so the number of local memory is 208 $ kilobytes. In this embodiment, the number of blocks: the length of the block should be 76,000 8 sub-blocks, each sub-block has and should be further divided into multiple

In the embodiment, the data block has 12 6-by-4 buckets of the same size, and the sub-blocks of the 4-byte byte are rained here. A sub-block can be further divided into a data packet ^ packet header and packet data. This packet data sounds, a data packet contains a set of maximum lengths of 4 natural layers that the cpu sends data to: ', each channel server period ΓΠ, MTU). In the embodiment proposed here, the total size of the 'Bai Baiyi, ^, and Diao materials should be smaller than the MTU. However, for maximum efficiency,' the packet data length should be as long as possible.

In a typical embodiment, the data in the packet header includes the message S TB 3 0 0 which allows the subscribing customer to decode all received data messages and indicate whether the data packet belongs to the selected data file (such as agreement signature, version, identification Certificate, or packet type information), this packet header may also contain other information, such as the required "second best" delay time, block / sub-block / packet number, packet length, ring remaining check (Cycl redundancy

Page 37 1223563 _Case No. 91108408_Every February Day Amendment ^ V. Description of the Invention (33) check, CRC) and compensation in sub-blocks, and / or encoded messages. Once received by the channel server 104, the data packet is sent to the QAM modulator 2 06, where another packet header is added to the data packet to generate a Q AM modulated IF output signal, and the QAM is modulated. The maximum output bit rate of the transformer 2 0 6 is related to the available bandwidth. For example, for a QAM modulator 2 6 6 million bytes, the maximum bit rate is 5 0 5 (bits / symbol) X 6 (7 million sets of bits) = 3 0 3 million bits per second.

This Q AM modulated IF signal is sent to an upconverter 106 which is converted into an RF signal suitable for a specific channel (for example, to CATV channel 80,559.25 0 million Hz 'and a frequency of 6 million bytes). Wide). For example, if a cable network has high bandwidth (or bit rate), each channel can be used to provide more than one data stream, and each data stream occupies a virtual channel. It is said that the three MPEG1 data streams can be put into the 6 megabyte bandwidth using QAM modulation. The round-trip of this frequency booster 106 is connected to send the combined signal to the transmission medium 11 0's combiner / amplifier 1.08.

In a typical embodiment, the total system bandwidth (BW) used to transmit round π π data streams is BW = NX bw, where bw is the required bandwidth of each data stream. For example, three MPEGs A data stream of -1 can be transmitted at the same time by a DOCS IS cable channel with a system bandwidth of 30 · 3 million bytes per second, because each MPEG-1 data stream occupies 9 million bits per second The system bandwidth of the tuple.

Page 23, 1223563 _______ case 91108408_ month __g_—correction_ V. Description of the invention (34) Typically, the bandwidth is not used up by the subscription customers who actually access the DOD service, so even if no subscription customers are DOD bandwidth is still being used up to ensure on-demand capabilities of the system. Once the STB300 0 is turned on, it will continuously receive and update the program guide stored in the local memory 308 of a STB 300. In a typical embodiment, the STB30 0 display contains the latest program guide on the TV screen. Data file information 'Data file information, such as video file information, may include video identification cards, video titles, descriptions (in multiple languages), types (such as action movies or children's films), and grades (such as r, p G1 3 ), Cable company policies (such as price, previewable length), subscription period, movie posters, and movie trailers. In a typical embodiment, the data file information is transmitted through a reserved channel, so that the channel is reserved for the firmware to update the advertising and / or emergency information. In another embodiment, the information is shared with other data streams From your channel. A subscription customer can view the list of available data files arranged on the TV screen according to the type. When the customer selects one of the data files, this STB300 controls its hardware to transfer to the corresponding channel and / Or virtual subchannel to start receiving data packets of the data file. This STB300 specifies the header of each packet, decodes the data in the data packet, and indicates whether the received data packet should be retained. If STB300 indicates the received data, The packet should not be retained, then the data packet is discarded, no

Page 39 1223563 _______ Case No. 91108408_ Year and Month Revision $ 5. Description of the Invention (35) The data packet is then placed in local memory 3 0 8 for retrieval soon, or temporarily stored in memory The register 3 0 9 is sent to the decoder 3 1 2. In a typical embodiment, the STB 300 uses a prediction technique of "slide window" to observe the expected data block in the memory register 309 to avoid reading too frequently. Fetch / write local memory 308 to improve performance efficiency. If the prediction window generates a prediction state, the data block is directly transmitted from the memory register 3 009 to the decoder 3 丨 2; if the prediction is not generated, the data block is from the memory register 3 〇 9 is transmitted to the decoder 31 2 before being read from the local memory 308 into the memory register 309. α In a typical embodiment, the STB3 0 0 through infrared (infrared human control early 7 ^ key, an infrared (IR) keyboard, or front panel key package :: stop rattan slow motion playback, reverse, screen zoom, single Step button to respond to the ordering customer's instructions. In one embodiment, if one =: d 1: no action is entered (such as scrolling the program list,

For this schedule, the subscriber will automatically stop playing when the subscriber provides an action "Down = Control the key on the morning button." The STB300 will automatically see the target in another view, # 者 可以 # 金 # # Insert ads during playback, the service respectfully

Frequency ίΚ :; break: grid policy to specify that there should be I

Page 1223563

Year and month fJt_911p8408 V. Description of the invention (36) If an emergency message bit is found in the data packet header, this STB3 0 0 will suspend any data receiving action and transfer its hardware to the intended use to receive the Data file information channel to get and decode any emergency messages and display them on the output screen. In a typical embodiment, when this = the first time, the host will be transferred to receive the data file information message ^ B 夺 备 # Receiving and displaying any urgent examples without delay to illustrate some of the invention Exemplary embodiments, adjustments, and variations are all in the present technology, and the present invention is not specifically discussed by the above; therefore, it is easy to see, exactly by the following straight two U embodiments Restrictions are defined by the scope of the following patent applications:

Page 41 1223563 _Case No. 91108408_Year Month Day__ Brief Description of Drawings Figure 1 A illustrates a typical video-on-demand system consistent with one embodiment of the present invention; Figure 1 B illustrates one and another of the present invention. A typical video-on-demand system consistent with an embodiment; FIG. 2 illustrates a typical channel server consistent with an embodiment of the present invention; FIG. 3 illustrates a typical video receiver consistent with an embodiment of the present invention; FIG. 4 illustrates a typical procedure for processing a sequence matrix consistent with one embodiment of the present invention; FIG. 5 illustrates a typical procedure for processing a second-best sequence matrix consistent with an embodiment of the present invention; and FIG. One embodiment of the present invention is a typical video receiver (STB) program that uses a sub-optimal sequence matrix transmission to display data files. Symbol Description:

1223563 Case No. 91108408 Revised diagrams Brief description 100 On-demand video system 102 Central control servo i 103 Central storage 104 Channel server 106 Inverter 108 Combiner / amplifier 110 Transmission medium 112 Switch matrix 118a, 118b 116a, 116b Spare channel 120 Cable TV system 202 Servo controller 204 Central processor 206 Modulator (QAM) 208 Local memory 210 Network interface 300 Set-top box 302 QAM demodulator 304 CPU 306 Access module 308 Local memory 309 Temporary memory 310 STB controller 312 decoder 314 graphics overlay module 400 program 402-424 step 500 program 5 0 2- 524 step 600 program 6 0 2- 6 0 8 step page 43

Claims (1)

1223563-^^ 11108408 ^ JtJE VI. Patent Application Scope 1 · A broadcasting method used to transmit a data-on-demand (DOD): sorted on-demand data by f Data: 'general customer ’s general data transmission sequence has jj, sequence', of which the above and the root * above have a good time special delivery feature; = non-user-specific method to transfer a packet of incoming data ^ data transmission sequence data file to a group The user, such as a 3 'according to the order of the blocks, starts to access the above :: The customer can be in one finger 2 · If the patent application has a continuous time range, the broadcast method, The finger means contained in at least one of the above-mentioned data time reflects 3. As the patent application scope is required by the archives-quantitative. Broad method, the above number is not relevant. The number of round bandwidth and the number of the above-mentioned customer groups 4. If the second-best data transmission method of the patent application scope is the broadcasting method of the inclusion items, which prepares the above to receive a data file; 彳 Action: Specify a time interval; According to the above time interval Ping Ba 'makes each data block 4 data heart __ group data area specifies a required time zone number and it is displayed in the time interval; miles to send the data file of the fans, which specifies a time interval; No. 44 1223563 Case No. 91108408 Amendment VI. Each of the time zones described in the scope of the patent application has a duration that is substantially the same as the above time interval; assign at least one of the above-mentioned group of data blocks to each Time zone. 5. The broadcasting method as claimed in the scope of patent application, wherein a user can access the data file in a specified time zone as described above. 6. The broadcasting method according to item 5 of the patent application scope, wherein the number of time zones referred to is one. 7. The broadcasting method according to item 5 of the scope of patent application, wherein the number of time zones referred to is at least two. 8. The broadcasting method according to item 5 of the scope of patent application, wherein the number of time zones referred to indicates a selected bandwidth. 9. The broadcasting method according to item 1 of the scope of patent application, including transmitting an electronic program guide (EPG), wherein the user who is receiving the EPG can select a desired data file to watch. 10. The broadcasting method according to item 9 of the patent application scope, wherein said EPG indicates a delay time for receiving the selected data file. Page 45 1223563 _Case No. 91108408_ Year and Month Amendment_ VI. Scope of Patent Application 1 1. A method for receiving data files transmitted in the order of the next-best data block sequence, its actions include: receiving a user input Indicate at least one selected data file; during a specified time zone, store at least one of the above-mentioned sub-optimal data block ordering one of a group of data blocks to a memory location; after the specified time zone has elapsed, display at least the above The first part of the data block to the user; Receiving at least one of the above-mentioned second-best data block ordering an additional data block of a group of data blocks; and displaying at least the above by combining at least one of the above-mentioned stored data blocks with at least one additional data block The second part of the data block is given to the user ^ 1 2. The method according to item 11 of the patent application scope, wherein at least one of the additional data blocks is stored in a memory location. 13. The method according to item 11 of the scope of patent application further includes specifying a waiting time before allocating the above data files to ensure that the data blocks related to the above data files can be arranged for them to be released. Was received before. 14. The method according to item 13 of the scope of patent application, wherein the waiting time is comprised of one of the next-best sorted packets contained in at least one of the above-mentioned data blocks Page 1223 23563 --- VI. The information in the header of the scope of the patent application reflects 1 5. The type of file used to receive data files broadcast in a large number of time zone sequences is arranged next to the data block to receive at least one selection containing : The method of the file ·, 所 The user of the data file needs to use it in the first time interval; to retrieve at least one of the above data blocks ^ Ϊ an authorized file retrieval procedure method; The method of the data block—the method used for the first part of the first time period; set the method of the data slot described in the instructions to retrieve the sub-blocks of the above data block; And the remaining data area of the good sorting is used to display the above data file. One method is to use at least one of the above remaining data blocks to connect to the above-mentioned first time interval = two degrees centimeter. And 16. If the device under the scope of the patent application is under item 15, it further includes a method for requesting the authorization required to retrieve the file. 1 7 · If the device under the scope of the patent application is under item 15, one of the electronic programs Guidance (EPG) is received by a user's set-top box (STB) and presented to the user0 Page 47 1223563 Month Amendment No. 91108408 VI. Application for Patent Scope 18 • For the device with scope of Patent Application No. 17, in which user stb automatically transmits a download from the data transmitted by the EPG selected by the user. Time and a play time, and at least a part of the file is automatically displayed after a period of waiting time " ", the waiting duration is affected by the upload time and play time. κ 19 · If the device under the scope of patent application of item 18, the STB has been waiting for 20 seconds since the above release time and download time. · If the device is under the scope of patent application 19, the above time is further Affected by the number of data blocks in the above file. 、, 21 · —A device for receiving data files broadcast in the order of data blocks in a large number of time zones, including: Best row one is used to receive the input of at least one selected broadcast data file Device; required by the subscriber to initiate an authorization in the first time interval = to extract at least-the heart of the above data block ordering = = the case; = to display the description after two time intervals The data file 1 is used for the communication link of the above-mentioned second-best sorted data block; the above display device further operates: the first part of the data block of the J Kang block, using at least one above; not the above 4 < Brother Page 48 1223563 _Case No. 91108408_Year Month Day_ ^ L · _ VI. The data blocks captured in the scope of the patent application are connected to at least one of the remaining data blocks mentioned above. 2 2. The device according to item 21 of the patent application scope further includes a communication port for requesting authorization required to retrieve a file. 23. As for the device in the scope of application for patent No. 21, an EPG is received by the user's STB and presented to the user. 24. As for the device in the scope of patent application No. 23, in which the user STB automatically transmits a download time and a playback time from the data transmitted by the EPG selected by the user, and waits for a period of time. After that, at least a part of the file is automatically displayed, and the waiting duration is affected by the download time and playback time described above. 25. For the device under the scope of patent application item 23, the STB automatically calculates the waiting duration affected by the above release time and download time. 26. If the device of the scope of application for patent No. 24, the above waiting time is further affected by the number of data blocks of the above file. 2 7.—A data on demand (DOD) broadcast system for transmitting a large number of data files, in which each data file is transmitted as the next best order of data blocks, which includes: Page 49 I223563 Case No. 91108408 VI. Scope of patent application-DoD broadcasting temple armrest for broadcasting a large amount of data files:-a communication transmission medium connected to the above-mentioned DOD system; The receiver of the D0D broadcast temple is connected to the receiver;, the ball of the ball, the so-called DOD broadcast server continuously transmits a large number of data files to the above-mentioned large number of receivers through the>; the so-called receivers The authorization message is requested according to the selected data file; wherein the so-called receiver further receives the above authorization message; and the so-called receiver further displays a part of the selected data file to the user after a specified period of time. Among them, the so-called guard time allows the above receiver to store some of the above data files before starting to display the above data files. Then 1223563 _Case No. 91108408_Year Month and Date__ VI. Patent Application Scope-A communication link used to capture the remaining data blocks of the sub-optimal sorted data block; the above display device is further operated to display the above data The second part of the block uses at least one data block captured in the first time interval described above, which is connected to at least one of the remaining data blocks described above. 2 9. The on-demand data (DOD) broadcasting system according to item 27 of the patent application scope, wherein the processor is further configured to automatically start displaying the above-mentioned selection when the smallest portion of the above-mentioned selected data file has been received. Data audit. • page 51