CN104065994A - Data access control method, and a data access control means - Google Patents

Data access control method, and a data access control means Download PDF

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CN104065994A
CN104065994A CN201310090733.4A CN201310090733A CN104065994A CN 104065994 A CN104065994 A CN 104065994A CN 201310090733 A CN201310090733 A CN 201310090733A CN 104065994 A CN104065994 A CN 104065994A
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data
unit
output
access control
timing
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CN201310090733.4A
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CN104065994B (en
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王得权
柯仲修
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晨星半导体股份有限公司
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Abstract

The invention proposes a data access control method which includes the following steps: (a) receiving a plurality of data units: (b) filtering at least one of the data units: (c) storing unfiltered data units: (d) according to times when the plurality of data units are received in step (a), restoring time sequences of the stored data units in step (c); (e) using at least one substitutive data unit to substitute the filtered data units, wherein each substitutive data unit has a time sequence of a corresponding substituted data unit which is filtered; and (f) according to time sequences of the plurality of unfiltered units and the time sequences of the substitutive data units, outputting the unfiltered data units and the substitutive data units.

Description

资料存取控制方法以及资料存取控制装置 Data access control method, and a data access control means

技术领域 FIELD

[0001] 本发明有关于资料存取控制方法以及资料存取控制装置,特别有关于插入空白封包以增加播放流畅度的资料存取控制方法以及资料存取控制装置。 [0001] The present invention has information on access control method, and a data access control apparatus, particularly relates to a blank packet is inserted to increase the access of the data smoother playback control method, and data access control means.

背景技术 Background technique

[0002] PCMCIA (personal memory card international association 个人电脑存储器卡国际协会装置)卡可做为影像的解码之用。 [0002] PCMCIA (personal memory card international association personal computer memory card international association device) card can be used as video decoding purposes. 举例来说,使用者向数字电视付费频道的业者支付费用后,业者会提供具有解码芯片的PCMCIA卡给使用者,或者使用者本就具有PCMCIA 卡,业者会提供解码的程序或序号给使用者。 For example, after a user pay, the industry will be provided to the industry of digital television with premium channels PCMCIA card with a decoder chip to the user, or the user of this would have PCMCIA cards, the industry will provide decoded program or sequence to the user . 然后使用者可使用此PCMCIA卡来解码被业者编码过的电视资料。 The user can then use the PCMCIA card to decode the encoded information industry over the TV.

[0003] 使用PCMCIA卡来解码的流程通常可分为两种:一种是将解码后的电视资料储存起来,并以另一加密方式加密,待要播放储存并加密过的电视资料时,再将储存并加密过的电视资料加以解密并播放,但此种方式通常是将加密过的电视资料储存于PCMICI卡之外的一储存装置,因此加密过的电视资料有可能被窃取再加以测试并破解,资料保护性较差。 [0003] using a PCMCIA card can be decoded normally it can be divided into two processes: one is when the decoded data stored television, and another encrypted encryption to be stored and to play encrypted television data, then TV information will be stored and encrypted data to be decrypted and television play, but this way is usually encrypted stored in a storage device outside the PCMICI card, so encrypted data is likely to be stolen television together to test and crack, data protection is poor. 另一种则是将未解码的电视资料储存起来,欲播放时再送至PCMCIA卡解码后播出,此种方式因为仍需业者提供的PCMCIA卡或相关资料才能解码,因此资料保护性较佳。 Another sucked decoding of television data not stored, and then sent to the PCMCIA card decoding broadcast time to be played, because in this way remains the industry to provide relevant information to a PCMCIA card or decoding, data protection and therefore better.

[0004] 图1绘示了已知技术中的使用PCMCIA的数字电视装置100的方块图。 [0004] FIG 1 illustrates a block diagram of the known techniques using a PCMCIA device 100 is a digital television. 数字电视装置100使用了前述将未解码的电视资料储存起来,欲播放时再送至PCMCIA卡解码后播出的机制。 The digital television using the apparatus 100 will not decode the data stored in the TV, and then sent to the decoding mechanism of the PCMCIA card to be played when broadcast. 如图1所示,数字电视装置100包含了天线101、调谐器(tuner) 103、解调器(demodulator) 105、资料存取装置107以及PCMCIA卡109。 1, the digital television apparatus 100 includes an antenna 101, a tuner (tuner) 103, a demodulator (demodulator) 105, 107, and data access means 109 PCMCIA card. 天线101用以接收电视资料信号,其中包含了被业者编码过的电视资料信号。 An antenna 101 for receiving television signal information, which contains encoded information industry over television signals. 调谐器103用以将频率调整至正确频道。 The tuner 103 to adjust the frequency to the correct channel. 解调器105是从调谐器103接收电视资料信号,将输入信号进行解调,进行频道校正,频道同步化,向前除错,频道编码等动作。 The demodulator 105 is the received television signal data from the tuner 103, the input signal is demodulated, correcting for the channel, sync channel, forward debugging, channel coding operation. 由于数字电视装置中调谐器103和解调器105的作用为本领域技术人员所知悉,故于此不再赘述。 Since the digital television tuner 103 and the role of the demodulator 105 the skilled person knows therefore omitted herein. 而被调谐器103和解调器105处理过的原始电视资料SD (例如MPEG传输流)会传送至资料存取控制装置107,然后如前所述,资料存取控制装置107会先将原始电视资料SD储存起来,然后于接收到输出指令时输出先前储存的原始电视资料SD'给PCMCIA卡109解码以产生解码后电视资料CD。 Tuner 105 is processed through the demodulator 103 and the original television information SD (for example, MPEG transport stream) is passed to the data access control apparatus 107, and as described above, data access control means will first original television 107 SD stored data, and then outputs the original data SD television receiving previously stored in the output instruction 'to the PCMCIA card 109 decoded to produce a decoded television data CD. 解码后电视资料CD 可直接被送至显示器播放,或者再经过其他影像处理后(如影像时序校正或影像对比强化等)再播放。 Television decoded information may be directly sent to a display CD player, or other again after the image processing (e.g., video or image contrast enhancement timing correction, etc.) and then play.

[0005] 原本的电视资料其封包间会有时间点对准的机制,然而这样的机制在封包被储存到储存装置后便会被破坏。 [0005] After the original TV data point alignment mechanism will have time between their packets, however, such a mechanism is stored in the storage device to the packet will be destroyed. 然而,在这样的架构下,由于原始电视资料SD是经过储存后再送至PCMCIA卡109解码并播出,其封包的时序关系已被破坏。 However, in such a structure, because the original TV SD data is stored and then sent through the PCMCIA card 109 and decoding broadcast its packet timing relationships have been destroyed. 因此使用者在观赏先前储存的原始电视资料SD'时,其所感受到的流畅度或影像品质可能会比即时的电视资料差。 Therefore, users while watching TV original data previously stored in the SD ', which they feel fluency or image quality may be worse than the real-time information on TV.

发明内容 SUMMARY

[0006] 本发明一目的为提供一种资料存取控制方法和资料存取控制装置,其可恢复被储存的电视资料的时序并根据此时序补入空白的封包,使储存的电视资料被播放时,仍具有即时电视节目的流畅度和品质。 [0006] The object of the present invention is to provide a method for controlling data access and data access control means, which restore the stored television data in accordance with this timing and the timing of the empty packet up the data stored is played TV when, still has the fluency and quality of real-time television programs.

[0007] 本发明一实施例提出了一种资料存取控制方法,包含:(a)接收多个资料单元; (b)过滤所述资料单元的至少其一;(c)储存未被过滤的所述资料单元;(d)根据该(a)步骤中所述多个资料单元被接收的时间恢复于该(c)步骤被储存的所述资料单元的时序; (e)以至少一替代资料单元补入被过滤的所述资料单元,其中每一该替代资料单元具有其所补入的被过滤的该资料单元的该时序;以及(f)根据未被过滤的所述多个单元的所述时序以及所述替代资料单元的所述时序输出未被过滤的所述资料单元以及所述替代资料单J Li 〇 [0007] one embodiment of the present invention proposes a data access control method, comprising: (a) receiving a plurality of data units; at least one of (b) filtering the information unit; (c) storing unfiltered the unit data; (d) recovery timing in the step (c) the stored data of the unit according to step (a) of said plurality of data unit was received; (e) at least one alternate Profile the unit cell data to be filtered into the patch, wherein each of the alternative information unit sequence having the complement of the data unit into which it is filtered; and (f) of the plurality of the filter units is not in accordance with the timing of said data unit and the alternative information unit of the output timing of the unfiltered and the substitute information single square J Li

[0008] 本发明另一实施例提出了一种资料存取控制装置,包含:一滤波器,用以接收并过滤多个资料单元的至少其一;一时序记录装置,用以根据该资料单元被接收的时间产生该滤波器输出的所述资料单元的时序;一储存装置,用以储存未被该滤波器过滤的所述资料单元;一时序恢复装置,根据该时序记录装置所记录的该时序恢复被该储存装置储存的所述资料单元的时序;一替代单元资料插入装置,以至少一替代资料单元补入被过滤的所述资料单元,其中每一该替代资料单元具有其所补入的被过滤的该资料单元的该时序;以及一输出控制器,根据未被过滤的所述多个单元的所述时序以及所述替代资料单元的所述时序输出未被过滤的所述资料单元以及所述替代资料单元。 Another embodiment [0008] The present invention proposes a data access control apparatus, comprising: at least one of a filter, and a filter for receiving a plurality of data units; means a recording timing for the information unit based on the It was received timing of the filter output to generate the data unit; a storage means for storing the data of the filter unit is not filtered; a timing recovery means based on the timing of the recording apparatus recorded the timing is the timing recovery unit of the storage device data storage; data insertion unit of an alternative means to the at least one alternative information unit into information unit complement filtered, wherein each of the alternative information unit having its complement the the timing of the cell data to be filtered; and an output controller, in accordance with the timing of the plurality of units and the substitute unfiltered data output unit of the timing of the data units is not filtered and the substitute data unit.

[0009] 借由前述的实施例,可借由补入空白封包的方式,使电视资料可以原先的时序被输出,如此可使使用者在观赏储存过的电视资料时,仍具有观赏即时的电视资料的流畅度和品质。 [0009] By the time of the foregoing embodiments, may make the blank by means of packet mode, so that the original information can be television timing is output, so the user can watch TV data storage before, still have to watch real-time TV fluency and quality of information. 而借由调整电视资料的输出速率,可让使用者感受到更好的流畅度和品质。 And by means of adjusting the data output rate of the TV, allows users to feel better fluency and quality.

附图说明 BRIEF DESCRIPTION

[0010] 为让本发明的上述目的、特征和优点能更明显易懂,以下结合附图对本发明的具体实施方式作详细说明,其中: [0010] In order to make the above-described objects, features and advantages of the present invention can be more fully understood in conjunction with the following drawings of specific embodiments of the present invention will be described in detail, in which:

[0011] 图1绘示了已知技术中的使用PCMCIA的数字电视装置的方块图。 [0011] FIG 1 illustrates a block diagram of a digital television apparatus known in the art to use PCMCIA.

[0012] 图2绘示了根据本发明实施例的资料存取控制装置的方块图。 [0012] FIG. 2 shows a block diagram of the access control device according to an embodiment of the present invention the information.

[0013] 图3绘示了图2所示的资料存取控制装置的动作示意图。 [0013] FIG 3 illustrates a schematic diagram of the operation of the data access control apparatus shown in FIG.

[0014] 图4亦绘示了图2所示的资料存取控制装置的动作示意图。 [0014] Figure 4 also illustrates a schematic view of the operation of the data access control apparatus shown in FIG.

[0015] 图5和图6绘示了根据本发明的不同实施例的资料存取控制装置的动作示意图。 [0015] FIG. 5 and FIG. 6 illustrates a schematic diagram of the operation of the access control apparatus according to various embodiments of the data of the present invention.

[0016] 图7绘示了根据本发明的实施例的资料存取控制方法的流程图。 [0016] FIG 7 illustrates a flowchart of an access control method according to an embodiment of the information of the present invention.

[0017] 元件符号说明: [0017] Description of Symbols elements:

[0018] 100数字电视装置 [0018] The digital television apparatus 100

[0019] 101 天线 [0019] Antenna 101

[0020] 103调谐器 [0020] The tuner 103

[0021] 105解调器 [0021] The demodulator 105

[0022] 107资料存取装置 [0022] The data access means 107

[0023] 109PCMCIA 卡 [0023] 109PCMCIA card

[0024] 200数字电视装置 [0024] The digital television apparatus 200

[0025] 201资料存取控制装置 [0025] The data access control means 201

[0026] 202处理单元 [0026] The processing unit 202

[0027] 207滤波器 [0027] Filter 207

[0028] 209时序记录装置 [0028] The recording apparatus 209 timing

[0029] 211储存装置 [0029] The storage device 211

[0030] 213时序恢复装置 [0030] The timing recovery means 213

[0031] 215封包缓冲器 [0031] The packet buffer 215

[0032] 217空白封包插入装置 [0032] 217 empty packet insertion means

[0033] 219输出控制器 [0033] The output controller 219

具体实施方式 Detailed ways

[0034] 图2绘示了根据本发明实施例的资料存取控制装置201的方块图。 [0034] FIG. 2 shows a block diagram of the access control apparatus 201 according to an embodiment of the present invention the information. 在此实施例中, 仍以数字电视装置200做说明,亦即资料存取控制装置201自解调器203接收原始电视资料SDin,并输出被储存电视资料SD。 In this embodiment, the digital television apparatus 200 still do described, i.e., data access control apparatus 201 television 203 receives raw data from the demodulator SDin, and outputs the stored television data SD. 给PCMCIA卡205,但并非用以限定本发明,本发明的概念当可使用在任何其他资料上。 A PCMCIA card 205, but not to limit the present invention, when the inventive concept can be used on any other information. 而决定是否开始原始电视资料30^储存下来,可由一使用者触发(例如给予资料存取控制装置201 -录影指令),或者资料存取控制装置201可自动的储存原始电视资料SDin,以做为缓冲或备份之用。 And deciding whether to initiate an original television data storage 30 ^ down, a user may trigger (e.g., data access control means to give 201 - Video instructions), or a data access control apparatus 201 can automatically store the original television data SDIN, as to buffering or for backup purposes. 图3绘示了图2所示的资料存取控制装置的动作示意图,请交互参着图2与图3以更为了解本发明的内容。 Figure 3 illustrates the information shown in FIG. 2 a schematic view of the operation of the access control device, please reference the interaction Figures 2 and 3 in a more understanding of the present invention.

[0035] 如图2所示,资料存取控制装置201包含了一处理单元202、一滤波器207, 一时序记录装置209、一储存装置211、一时序恢复装置213、一封包缓冲器215、一空白封包插入装置217以及一输出控制器219。 [0035] As shown, the data access control apparatus 201 2 comprises a processing unit 202, a filter 207, a recording timing device 209, a storage device 211, a timing recovery means 213, a packet buffer 215, a blank packet inserting means 217 and an output controller 219. 于此实施例中,处理单元202用以控制所有元件的动作(部分接线未绘示),但于其他实施例中各元件亦可由不同的控制电路来控制。 In this embodiment, the processing unit 202 for controlling the operation of all elements (not shown wiring section), but in other embodiments the elements may be controlled by different control circuits. 滤波器207接收来自解调器203的原始电视资料SDin,此原始电视资料SDin包含多个封包,如图3所示的封包Pi-Pg。 Filter 207 receives the original television information SDin from the demodulator 203, this comprises a plurality of original television information SDin packets, the packet shown in FIG. 3 Pi-Pg. 滤波器207会过滤原始电视资料SDin的封包至少其一而输出过滤后电视资料FSD。 Filter 207 will filter the raw TV data packets SDin at least one TV output filtered data FSD. 于一实施例中,滤波器207为一PID滤波器,其可依照所设定的参数过滤不须要的电视资料。 In one embodiment, the PID filter 207 is a filter, which can filter information does not require the TV set in accordance with the parameters. 举例来说,原始电视资料SDin中的封包Ρρ P4、P6和P7属于A频道的电视资料,而封包P2、P3、P5、P8和P9属于B频道的电视资料,其中B频道为付费才能看的电视频道,也就是欲使用PCMCIA卡205解码的频道。 For example, packet data SDin Ρρ the original television P4, P6 and P7 A data belonging to television channels, and the packet P2, P3, P5, P8, and P9 belonging to television channels information B, wherein B is a pay to view the channel TV channel, which is to be decoded using a PCMCIA card channel 205. 于此例中使用者欲收看付费频道的节目,因此会滤波器207会被设定成只允许B频道的电视资料通过,如此过滤后电视资料FSD会只剩下封包P2、P3、P5、Ps 和Pg。 In this embodiment the user wants to watch pay-per-channel, and therefore filter 207 is set to allow only the B channel data by the TV, the TV will only packet data FSD P2, P3, P5, Ps so after filtration and Pg.

[0036] 如前所述,原本的电视资料其封包间会有时间点对准的机制,然而这样的机制在封包被储存到储存装置后便会被破坏。 [0036] As described above, the original television information packets which have mechanism between the time point alignment, but such a mechanism in the packet is stored into the storage device will be destroyed. 参照图3,原始电视资料SD中的封包Pi-Pg分别对应时序1-9。 Referring to Figure 3, the original TV SD data packets Pi-Pg timing 1-9 respectively. 但过滤后电视资料FSD被存入储存装置211后,这些时序关系会被破坏。 But after filtration TV FSD information is stored in the storage device 211, the timing of these relationships will be destroyed. 因此会需要一种机制来重新恢复储存后的封包的时序。 Therefore we need a mechanism to restore packet sequence after storage. 在一实施例中,是利用一时序记录装置209 以及一时序恢复装置213来提供此机制。 In one embodiment, the recording apparatus using a timing recovery means 209 and a timing mechanism 213 to provide this. 时序记录装置209用以记录滤波器207输出的过滤后电视资料FSD的时序,然后时序恢复装置213会根据记录下来的时序恢复过滤后电视资料FSD,使其形成具有时序资料的时序恢复过滤后电视资料TFSD。 After the timing means 209 for recording the recording data timing television FSD after filtration filter 207 output, then the timing recovery unit 213 restores the filtered television information recorded FSD timing, the timing with timing information to form a restoration filter TV information TFSD. 在一实施例中,时序记录装置209会依据封包被解调器接收的时间提供一暂时性的时序给过滤后电视资料FSD而形成暂时性过滤后电视资料FSD'。 In one embodiment, the timing means 209 provides a recording timing based on a temporary packet is received by a demodulator After filtration time for the television information FSD is formed after the temporary filter TV data FSD '. 如图3所示,暂时性过滤后电视资料FSD'具有暂时性时序2'、3'、5'、8'以及9'。 As shown in FIG. 3, the temporary filter the FSD TV Profile 'has a temporary timing 2', 3 ', 5', 8 'and 9'. 然后时序恢复装置213会根据暂时性过滤后电视资料FSD'来还原真正的时序以产生时序恢复过滤后电视资料TFSD。 Then the timing recovery device 213 based on the FSD data temporary filtration television 'to restore the real timing after the timing recovery filter to produce television data TFSD. 时序记录装置209以及时序恢复装置213可由多种电路结构来组成。 And a timing device 209 by a plurality of recording a circuit configuration of the timing recovery means 213 to compose. 举例来说,公开号为TW201105137的台湾专利申请案即揭露了此类电路结构及其详细的动作方式。 For example, Taiwan Patent Application Publication No. TW201105137 i.e. discloses such a circuit configuration and detailed operation of the embodiment. 详细言之,此台湾专利申请案中图2的录影装置2A 即具有本发明时序记录装置209的功能,而其重播装置2B即具有本发明时序恢复装置213 的功能,但并非用以限定本发明。 In detail, the apparatus of this video Taiwan Patent Application i.e., 2A in FIG. 2 of the present invention having a timing function of the recording apparatus 209, and its reproducing device 2B of the present invention i.e. having a timing recovery apparatus 213 features, but not to limit the present invention . 任何可以达成本发明时序记录装置209以及时序恢复装置213的功能的电路或装置,均应在本发明的范围之内。 Any sequence of the present invention can be achieved, and a circuit 209 or the timing recovery device 213 means a function of the recording apparatus should be within the scope of the present invention.

[0037] 空白封包插入装置217以至少一空白封包补入被过滤的封包以产生空白封包补入后电视资料NFSD,其中每一空白封包具有其所补入的被过滤的封包的时序。 [0037] Empty packet is inserted into a device 217 at least up into the empty packets are filtered to produce the packets into empty packets up TV data NFSD, wherein each blank into a packet having a complementary sequence they are filtered packet. 举例来说,在图3的空白封包补入后电视资料NFSD中,空白封包PN1、PN2、PN4、P N6、PN7以及PN1Q便补入了被过滤的封包ΡρΡρΡρΡ^ΡΡκ),因此会分别具有时序1、4、6、7和10。 For example, the blank data packet up into the TV NFSD FIG. 3, a blank packet PN1, PN2, PN4, P N6, PN7 PN1Q and then filtered up into the packet ΡρΡρΡρΡ ^ ΡΡκ), thus having a sequence respectively 1,4,6,7 and 10. 于一实施例中,封包缓冲器215包含多个缓冲单元,用以暂存封包。 In one embodiment, the packet buffer 215 comprises a plurality of buffer means for temporarily storing the packet. 处理单元202若检测到有缓冲单元未收到应接收的封包,则控制空白封包插入装置217补入空白封包。 If the processing unit 202 detects that the buffer unit has not received the received packet, the control device 217 is inserted blank packets fill the blank packet. 输出控制器219根据空白封包补入后电视资料NFSD的时序输出未被过滤的封包以及空白封包,如图3的被储存电视资料SD。 The output controller 219 after the output timing of the empty packet the complement of the unfiltered TV NFSD information packets and empty packets, as shown in FIG 3 is stored television data SD. . 于一实施例中,输出被储存电视资料SD。 In one embodiment, the output data SD is stored TV embodiment. 时,每一封包的传送时间点之间都会有一时间间距T。 When, there will be between the transmission time point for each packet of a time interval T. 会形成此时间间距T的原因相当多,有可能是各元件所造成的延迟时间,或者是符合资料传送规格而所需要的时间T。 This reason will form a considerable time span T, there may be a delay time caused by the elements, or the data transmission time is in line with the specifications required for T.

[0038] 图4亦绘示了图2所示的资料存取控制装置的动作示意图。 [0038] Figure 4 also illustrates a schematic view of the operation of the data access control apparatus shown in FIG. 与图3不同的是,图4更详细的绘示了各信号与电视资料的封包、以及空白封包间的关系,其中同步信号SYNC 表示即将要有封包传送,亦即两个同步信号高电位间会存在着一个完整的封包。 Unlike FIG. 3, FIG. 4 shows in more detail the relationship between each packet data with the television signal, and a blank packet, wherein the synchronization signal SYNC indicates packet transmission is about to have, i.e., two synchronizing signals between a high potential there will be a complete packet. 有效信号Valid则表7]^是否有封包资料传送,在一实施例中,其高电位时代表有封包资料传送,而低电位时代表不传送资料的时间间距T。 The valid signal Valid Table 7] ^ whether there is packet data transmission, in one embodiment, when transmitting packet data representatives high potential, but not to transmit data representative of the time when the low-potential interval T. 在图4中,当同步信号SYNC第一次变成高电位(HsynCl)且有效信号Valid为高电位时,开始输出封包Pi的资料。 In FIG. 4, when the first data synchronization signal SYNC goes high (HsynCl) and the Valid signal is active high, the output of the start of the packet Pi. 而有效信号Valid变成低电位时便不输出封包Pi的资料(可能是已传送完毕或是强迫中止)。 And it is not a valid signal Valid output goes low Pi packet data (may be completed or have been forced to suspend transmission). 同样的,当同步信号SYNC第二次变成高电位(Hsync2)且有效信号Valid为高电位时,开始传送空白封包NP 的资料。 Similarly, when a second synchronizing signal SYNC goes high (Hsync2) and the Valid signal is active at High level, it starts transmitting data packets NP is blank. 而有效信号Valid变成低电位时便不传送空白封包NP的资料(可能是已传送完毕或是强迫中止)。 Valid and effective signal will not transmit data packets NP blank when low potential (probably already been transmitted or forced to abort).

[0039] 图5和图6绘示了根据本发明的不同实施例的资料存取控制装置的动作示意图。 [0039] FIG. 5 and FIG. 6 illustrates a schematic diagram of the operation of the access control apparatus according to various embodiments of the data of the present invention. 于图5的实施例中,处理单元202控制输出控制器219,使输出控制器219于一预定周期(即同步信号Sync的两高位准之间)中输出的封包以及空白封包其中的一的资料量的总和为一预定值。 In the embodiment of FIG. 5, the processing unit 202 controls the output controller 219, the output controller 219 in a predetermined period (i.e., between two high level of the synchronization signal Sync) packet in a data packet output and wherein the blank the sum of the amount of a predetermined value. 举例来说,图5中于一预定周期内输出的封包? For example, in FIG. 5, the output packet within a predetermined period? 1的资料总和为188比特组,此封包Pi可为前述的电视资料封包或是空白封包。 1 is the sum of the data bit groups 188, this packet Pi may be the television or the blank packet data packet. 于图6的实施例中,处理单元202将封包Pi 分成多个封包部分Pn、P12以及P13,此封包Pi可为前述的电视资料封包或是空白封包。 In the embodiment of FIG. 6, the packet processing unit 202 into a plurality of packets Pi portions Pn, P12 and P13, this packet Pi may be the television or the blank packet data packet. 且输出封包部分Pn、P12以及P13时,封包部分Pn、P 12以及P13之间会有未输出时间间距且处理单元202使输出控制器219于一预定周期中(即同步信号Sync的两高位准之间) 输出的封包部分以及未输出时间间距对应的资料量的总和,为一预定值。 And the output section when the packet Pn, P12 and P13, packet portions Pn, between P 12 and P13 and the time interval will not output the output processing unit 202 in the controller 219 in a predetermined period (i.e., the synchronization signal Sync two high level between) the packet is not output time of the output portion, and a pitch corresponding to the sum of the amount of data, to a predetermined value. 举例来说,在图6 的实施例中,预定周期内封包部分Pn、P12以及P13的资料量,以及未输出时间间距h、t 2对应的资料量的总和为188比特组。 For example, in the embodiment of FIG. 6, the inner portion of the predetermined period packet Pn, P12 and P13, the amount of data, and the sum is not output time interval h, t 2 corresponding to the amount of data is 188 bits.

[0040] 于一实施例中,图5和图6的内容中的预定值即为滤波器207于一预定周期内接收的资料量。 [0040] In one embodiment, the predetermined value of the content in Figures 5 and 6 is the filter 207 in the amount of data received within a predetermined period. 因此,在此情况下,处理单元202控制输出控制器219于一预定周期中输出的资料量,与滤波器207于预定周期内接收的资料量相等。 Thus, in this case, the processing unit 202 controls the controller 219 to output a predetermined amount of data output period, an equal amount of data received by the filter 207 within a predetermined period. 若要达成图5和图6的输出步骤, 有许多种方式,其中一种为提供一输出信号CLKT给输出控制器219做为输出之用,此输出信号CLKT具有所须的频率。 To achieve an output step of FIGS. 5 and 6, there are a number of ways, one of which is providing an output signal to the output controller 219 CLKT purposes as an output, this output signal having a frequency CLKT whiskers. 于一实施例中,是接收一外部时脉信号CLK。 In one embodiment, when receiving an external clock signal CLK. ,处理单元202会以此外部时脉信号CLK。 , The processing unit 202 may order the external clock signal CLK. 分别除以不同除频比产生粗调除频后时脉信号,并判断那一粗调除频后时脉信号较接近所须频率并以此最佳粗调除频后时脉信号做为输出信号CLKT,此步骤称为粗调。 Is divided by a different frequency than the frequency of the generated coarse clock signal, and determines that a coarse frequency-divided clock signal frequency and thereby be closer to the optimal coarse frequency-divided clock signal as an output in addition to other inter inter signal CLKT, this step is called coarse. 然后再调整封包和封包间的时间间隔(如图4中的T),此步骤称为微调。 Then adjust the interval between the packet and the packet (in FIG. 4 T), this step is called trimming. 然请留意,并不限于使用此方式达成图5和图6的输出步骤。 Please note however, not limited to use in this way to achieve an output step 6 of FIG. 5 and FIG.

[0041] 前述的内容虽均以封包来说明,但资料不一定以封包的形态来传送。 [0041] The foregoing summary, although packets are to illustrate, but not necessarily in the form of data packets transmitted. 因此,封包可被其他类型的资料单元取代。 Thus, the packet may be replaced by other types of data units. 于此情况下,封包可视为资料单元、空白封包可视为为替代资料单元,图2中的封包缓冲器215可是为一资料单元缓冲器,空白封包插入装置可视为一替代单元资料插入装置。 In which case, the packet data units may be considered, can be considered as an alternative blank packet data units, the packet buffer 2215, but FIG insertion of a data unit buffer, the blank may be considered as an alternative means packet data insertion unit device.

[0042] 根据前述的实施例,可以得到图7所示的资料存取控制方法,其包含下列步骤: [0042] According to the foregoing embodiment can be obtained data access control method shown in FIG. 7, comprising the steps of:

[0043] 步骤701 [0043] Step 701

[0044] 接收多个资料单元。 [0044] receives a plurality of data units. 例如图3中的原始电视资料SDin。 Raw materials such as television SDin in Figure 3.

[0045] 步骤703 [0045] Step 703

[0046] 过滤这些资料单元中的至少其一,以产生如图3中的过滤后电视资料FSD。 [0046] at least one of the filter units of these materials, to produce filtered data in Figure 3 the television FSD.

[0047] 步骤705 [0047] Step 705

[0048] 储存未被过滤的这些资料单元。 [0048] The data storage unit is not filtered.

[0049] 步骤707 [0049] Step 707

[0050] 根据步骤701中多个资料单元被接收的时间或恢复于步骤705被储存的这些资料单元的时序。 [0050] The timing of these data units is stored at step 705 in accordance with step 701, a plurality of data units are received or recovery time. 以产生如图3中的时序恢复过滤后电视资料TFSD。 3 is generated at the timing in FIG television data recovery filter TFSD.

[0051] 步骤709 [0051] Step 709

[0052] 以至少一替代资料单元补入被过滤的这些资料单元,其中每一该替代资料单元具有其所补入的被过滤的该资料单元的该时序,以产生如图3中的空白封包补入后电视资料NFSD。 [0052] In at least one such alternative information unit into information unit complement filtered, wherein each of the alternative information unit sequence having the complement of the data unit into which it is to be filtered, in FIG. 3 to generate packets blank NFSD data into TV after the meeting.

[0053] 步骤711 [0053] Step 711

[0054] 根据未被过滤的多个单元的这些时序以及替代资料单元的这些时序输出未被过滤的所述资料单元以及这些替代资料单元。 [0054] The timing of the information unit which outputs the timing information and alternative means of a plurality of units of unfiltered unfiltered and these alternative information unit. 例如输出图3中的被储存电视资料SD。 For example in FIG 3 is stored in the television output data SD. .

[0055] 其他详细步骤已披露于前述实施例中,故于此不再赘述。 [0055] Other steps have been disclosed in detail in the foregoing embodiment, and therefore omitted herein.

[0056] 借由前述的实施例,可借由补入空白封包的方式,使电视资料可以原先的时序被输出,如此可使使用者在观赏储存过的电视资料时,仍具有观赏即时的电视资料的流畅度和品质。 [0056] By the time of the foregoing embodiments, may make the blank by means of packet mode, so that the original information can be television timing is output, so the user can watch TV data storage before, still have to watch real-time TV fluency and quality of information. 而借由调整电视资料的输出速率,可让使用者感受到更好的流畅度和品质。 And by means of adjusting the data output rate of the TV, allows users to feel better fluency and quality.

Claims (14)

1. 一种资料存取控制方法,包含: (a) 接收多个资料单元; (b) 过滤所述资料单元的至少其一; (c) 储存未被过滤的资料单元; (d) 根据(a)步骤中所述多个资料单元被接收的时间恢复于(c)步骤被储存的资料单元的时序; (e) 以至少一替代资料单元补入被过滤的资料单元,其中每一所述替代资料单元具有其所补入的被过滤的资料单元的时序;以及(f) 根据未被过滤的资料单元的时序以及所述替代资料单元的时序,输出未被过滤的资料单元以及所述替代资料单元。 A data access control method, comprising: (a) receiving a plurality of data units; (b) filtering the at least one data unit; (c) storing the unfiltered data units; (d) The ( a) step of the plurality of data units are received by the timing recovery time in step (c) of the data unit is stored; (e) at least one alternative complement data unit into data units to be filtered, wherein each of said Alternatively they complement data unit having the sequence of filtered data units; and (f) a timing and timing of the alternate data unit, the output of unfiltered unfiltered data unit and the alternative information unit data unit.
2. 如权利要求1所述的资料存取控制方法,其特征在于,所述资料单元为一封包,而所述替代资料单元为一空白封包。 2. A data access control method according to claim 1, wherein said data unit is a packet, and the replacement unit is a blank data packet.
3. 如权利要求1所述的资料存取控制方法,其特征在于,所述(e)步骤包含: 以多个缓冲单元暂存所述资料单元;以及若检测到有缓冲单元未收到应接收的资料单元,则补入所述替代资料单元。 3. The data access control method according to claim 1, wherein said step (e) comprises: a plurality of buffer means for temporarily storing the data unit; and if the detecting means has not received a buffer means for receiving data, the fill material into the replacement unit.
4. 如权利要求1所述的资料存取控制方法,其特征在于,所述步骤(f)还包含: 使一预定周期中输出的所述资料单元以及所述替代资料单元其中之一的资料量的总和,为一预定值。 4. The data access control method according to claim 1, wherein said step (f) further comprises: causing the information in a predetermined period unit and outputting one of said alternate data unit data wherein the sum of the amount for a predetermined value.
5. 如权利要求1所述的资料存取控制方法,其特征在于,所述(f)步骤包含: 将所述资料单元分成多个资料单元部分; 输出所述资料单元部分时,使至少一资料单元部分之间具有一未输出时间间距;以及使一预定周期中输出的所述资料单元部分的资料量以及所述未输出时间间距对应的资料量的总和,为一预定值。 5. A data access control method according to claim 1, wherein said step (f) comprises: a plurality of data units into the data unit portion; output the data unit portion, causing at least one not having a time interval between the output data unit portion; and the sum of the amount of data that the data unit portion of a predetermined period and output the non-output amount of data corresponding to the time span, to a predetermined value.
6. 如权利要求1所述的资料存取控制方法,其特征在于,所述(f)步骤包含: 将空白资料单元分成多个空白资料单元部分; 输出所述空白资料单元部分时,使至少一空白资料单元部分之间具有一未输出时间间距;以及使一预定周期中输出的所述空白资料单元部分的资料量以及所述未输出时间间距对应的资料量的总和,为一预定值。 6. The data access control method as claimed in claim 1, wherein said step (f) comprises: blank blank data units into a plurality of data unit portion; output data unit portion of the blank, at least not having a time interval between an output and a blank cell data portion; and the sum of the amount of data that the data unit portion of the blank period of a predetermined amount of data in the output and non-output time corresponding to the pitch of a predetermined value.
7. 如权利要求1所述的资料存取控制方法,还包含: 控制所述(f)步骤于一预定周期中输出的资料量,与所述(a)步骤于所述预定周期内接收的资料量相等。 7. A data access control method of claim 1, further comprising the claims: the control amount of the information (f) a step of outputting in a predetermined period, the receiving step (a) within the predetermined period equal to the amount of data.
8. -种资料存取控制装置,包含: 一滤波器,用以接收并过滤多个资料单元其中至少其一; 一时序记录装置,用以根据所述多个资料单元被接收的时间产生所述滤波器输出的资料单兀的时序; 一储存装置,用以储存未被所述滤波器过滤的资料单元; 一时序恢复装置,根据所述时序记录装置所记录的时序恢复被所述储存装置储存的资料单兀的时序; 一替代单元资料插入装置,以至少一替代资料单元补入被过滤的资料单元,其中每一替代资料单元具有其所补入的被过滤的资料单元的时序;以及一输出控制器,根据未被过滤的多个资料单元的时序以及所述替代资料单元的时序输出未被过滤的资料单元以及所述替代资料单元。 8. - kind of data access control apparatus, comprising: a filter for receiving and filtering a plurality of data cells wherein at least one of; a recording timing means for generating said plurality of data units according to the received time the timing of the PEIS Wu said filter output; and a storage means for storing the data unit has not been filtered the filters; a timing recovery means recover the timing of the timing storage means according to the recording apparatus recorded the timing of the data stored in the single Wu; a replaceable unit information insertion means, at least an alternative to the timing information unit into information unit complement filtered, wherein each alternate data unit has a data unit into its complement is filtered; and an output controller, and the substitute data according to the timing means a timing of outputting the plurality of information units unfiltered unfiltered information unit and the alternative information unit.
9. 如权利要求8所述的资料存取控制装置,其特征在于,所述资料单元为一封包,而所述替代资料单元为一空白封包。 9. Profile according to claim 8, wherein the access control means, wherein said data unit is a packet, and the replacement unit is a blank data packet.
10. 如权利要求8所述的资料存取控制装置,还包含: 一资料单元缓冲器,包含多个缓冲单元,用以暂存所述资料单元;以及一处理单元,若检测到有缓冲单元未收到应接收的资料单元,则控制所述替代单元资料插入装置补入所述替代资料单元。 10. A data access control apparatus according to claim 8, further comprising: a data buffer means, comprising a plurality of buffer means for temporarily storing the data units; and a processing unit, a buffer unit upon detection not received data unit to be received, the control unit replace data inserted into said apparatus alternative complement data unit.
11. 如权利要求8所述的资料存取控制装置,还包含一处理单元,所述处理单元控制所述输出控制器,使所述输出控制器于一预定周期中输出的所述资料单元以及所述替代资料单元其中之一的资料量的总和为一预定值。 11. The data unit data access control apparatus according to claim 8, further comprising a processing unit, the processing unit controls the output controller, the output controller outputs in a predetermined period and Alternatively the sum of the amount of data of one data unit which is a predetermined value.
12. 如权利要求8所述的资料存取控制装置,还包含一处理单元,所述处理单元将所述资料单元分成多个资料单元部分,且控制所述输出控制器使所述输出控制器输出所述资料单元部分时,使至少一资料单元部分之间具有一未输出时间间距,且使所述输出控制器于一预定周期中输出的资料单元部分的资料量以及所述未输出时间间距对应的资料量的总和,为一预定值。 12. A data access control apparatus according to claim 8, further comprising a processing unit, the data processing unit of the data unit into a plurality of cell portions, and the output controller controls the output controller the data output unit portion, so that between at least one data unit portion having a non-output time interval, and the amount of data that the data output of said controller unit output portion in a predetermined period and the non-output time span the sum of the amount of data corresponding to a predetermined value.
13. 如权利要求8所述的资料存取控制装置,还包含一处理单元,所述处理单元将空白资料单元分成多个空白资料单元部分,且控制所述输出控制器使所述输出控制器输出所述空白资料单元部分时,使至少一空白资料单元部分之间具有一未输出时间间距,且使所述输出控制器于一预定周期中输出的所述空白资料单元部分的资料量以及所述未输出时间间距对应的资料量的总和,为一预定值。 13. A data access control apparatus according to claim 8, further comprising a processing unit, said processing unit into a plurality of unit data blank blank data unit portion, and controls the output controller causes the output controller when the blank data output unit portion, having at least a non-output time interval between a blank data cell portion, and the output controller outputs in a predetermined cycle an amount of data of the data unit portion of the blank, and the said time interval is not output the sum of the amount of data corresponding to a predetermined value.
14. 如权利要求8所述的资料存取控制装置,还包含一处理单元,所述处理单元控制所述输出控制器于一预定周期中输出的资料量,与所述滤波器于所述预定周期内接收的资料量相等。 14. A data access control apparatus according to claim 8, further comprising a processing unit, said processing unit controls the amount of data output from the controller in a predetermined period in the output of said filter to said predetermined equal to the amount of data received during the period.
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