CN1697508A - Recording, reproducing apparatus and method - Google Patents
Recording, reproducing apparatus and method Download PDFInfo
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- CN1697508A CN1697508A CN 200510065574 CN200510065574A CN1697508A CN 1697508 A CN1697508 A CN 1697508A CN 200510065574 CN200510065574 CN 200510065574 CN 200510065574 A CN200510065574 A CN 200510065574A CN 1697508 A CN1697508 A CN 1697508A
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Abstract
PROBLEM TO BE SOLVED: To provide a data transmitter that transmits a data broadcast program by utilizing idle and narrow broadcast bands in digital broadcasting and to provide a data receiver that records the received data broadcast program and reproduces the program when recording all of data streams. SOLUTION: The data transmitter generates a 1st data stream that is recorded in a recording medium by the data receiver and a 2nd data stream including audio and video data transmitted as a broadcast program, and transmits the 1st data stream and the 2nd data stream that are multiplexed. The data transmitter controls the transmission rate of the streams such that the transmission rate of the multiplexed data stream is within a maximum transmission rate and the transmission rate of the 1st data stream is smaller than the transmission rate of the 2nd data stream. The data receiver records the 1st data stream to a recording medium, reproduces and uses the data stream after the end of transmission.
Description
The application is the dividing an application that be April 11 calendar year 2001, application number position 01119300.X, denomination of invention the applying date for the application for a patent for invention of " data transmission, receiving equipment and method, record, reproducing apparatus and method ".
Technical field
The present invention relates to a kind of can be used for digital satellite broadcasting or the like can multiplexing for example data transmitting equipment, data receiver, data transmission method for uplink and the data receive method of television program broadcasting and data broadcasting.
Background technology
Satellite broadcasting is a kind of use just keeps the artificial satellite on 36000 kilometers the track on earth around the earth broadcasting, and broadcasting satellite (BS) or communication satellite (CS) are used in this satellite broadcasting.Two kinds of satellite broadcastings can use simple receiving equipment to receive, about such satellite broadcasting, and from an identical transmission ripple that sends point (that is, the trapped orbit position), can be covering the whole world.Because satellite broadcasting can realize economy and effectively nationwide broadcasting, satellite broadcasting provides the national universal easier than terrestrial broadcast of business, and the method that solves the blind spot problem is provided simultaneously.As shown in Figure 19, in Japan, one sends point and comprises seven transponders that a pair of channel is arranged.As the channel of present use, channel 5 and 7 is respectively applied for WOWOW and NHK1, and channel 9 and 11 is respectively applied for Hi-vision and NHK2.
In all so as shown in Figure 20 BS broadcasting, produce MPEG-TS (mpeg transport stream).MPEG-TS is a multiplex data flow, and it is to change with the encoding bit rate corresponding to transmission rate given given broadcast band from the data flow that comprises video and audio frequency.According to this MPEG-TS, multiplexed data flow sends in the following sequence: video data V1, voice data A1, data D1, video data V2, voice data A2, data D2 ...
But, as above-mentioned satellite broadcasting in, if multiplexed and transmission has a plurality of broadcast programs of different transmission rates, the problem that a peak transfer rate can not effectively utilize can appear.
On the other hand, if broadcast program sends with peak transfer rate, another problem that occurs: when multiplexed with speed at random and when sending various above-mentioned data, some data can not manifest in real time, because the data cell that is used for manifesting that needs at receiver side can not send a module.
Summary of the invention
An object of the present invention is to provide a kind of data transmission set, data receiver, data transmission method and data receive method, it is characterized in that: when the various data of multiplexing with when sending them, or when various data decomposition be a plurality of frequency bands and when sending them, when effectively utilizing peak transfer rate or maximum bandwidth, described data transmission device, described data sink, described data transmission method and described data receive method can send various data, also can manifest various data or non real-time response data attribute or the like in real time at receiver side.
In order to realize top purpose, according to a first aspect of the invention, provide a kind of data transmission set, this equipment comprises first generator, is used for being created in the receiver side recording medium and stores first data flow of being utilized after first data flow; Second generator is used to produce second data flow that comprises voice data and video data; Multiplexer is used for multiplexing first data flow and second data flow; Transmitter is used to send by the multiplexed data flow of multiplexer part; And controller, be used to control multiplexer, be lower than the transmission rate that is used for second data flow for use in the transmission rate of first data flow.
With this structure, corresponding to predetermined peak transfer rate, be kept for the speed of second data flow, so that receiver side shows second data flow in real time; Send with the transmission rate that can not cause the second data flow transmission problem with available first data after storage first data flow in the receiver side recording medium, this has realized abundant use peak transfer rate transmission data.
According to a second aspect of the invention, a kind of data receiver is provided, this equipment comprises: receiver, be used to receive multiplexed data flow, available first data flow after wherein in the receiver side recording medium, storing and comprise second data flow of voice data and video data, with the transmission rate that is used for first data flow become be lower than the transmission rate that is used for second data flow the mode multiplexing by multiplexed data flow; Separator, being used to separate the multiplexed data flow that has been received by receiver is first data flow and second data flow; And register, be used for first data flow that record has been separated by separator on recording medium.
With this structure, can utilize second data flow of the enough transmission rates that provided to be used for showing or the like in real time.On the other hand, in recording medium, after storage first data flow, that is, when the data cell of needs stores, can utilize the first multiplexed data flow of the transmission rate that has been lower than second data flow.Therefore, can realize making full use of peak transfer rate transmission data.
According to a third aspect of the present invention, a kind of data transmission set is provided, this equipment comprises: dispensing device, be used to use the television program broadcasting frequency band to send the data flow that comprises voice data and video data, with by being sent in this distribution of flows for the data broadcasting frequency band to store in the receiver side recording medium available data flow after first data flow; And control device, be used to control television program broadcasting frequency band and data broadcasting frequency band, so that synthetic frequency band can not surpass a given bandwidth.
With this structure, the data flow that comprises voice data and video data of using the television program broadcasting frequency band to send can be utilized in real time at receiver side; Store this data flow in the receiver side recording medium after, the data flow of using the data broadcasting frequency band to send can be utilized.Therefore, use given bandwidth can effectively send two types data flow.
According to a fourth aspect of the present invention, a kind of receiving equipment is provided, this equipment comprises: receiving system, be used for receiving broadcasting, wherein use the television program broadcasting frequency band to send the data flow that comprises voice data and video data, the data broadcasting frequency band of distributing to this data flow with use sends other data flow, it is to store available data flow after this data flow in the receiver side recording medium, control television program broadcasting frequency band and data broadcasting frequency band be not so that synthetic frequency band can surpass a given bandwidth; Separator, the data flow that is used for separating the broadcasting that receives by receiving system, this data flow has been distributed to the data broadcasting frequency band; And tape deck, be used to write down the data flow of separation.
With this structure, can utilize the data flow in the television program broadcasting frequency band to be used for demonstration in real time etc.; After in recording medium, storing this data flow, that is, when the data cell of needs stores, can utilize the data flow in the data broadcasting frequency band.This can realize making full use of peak transfer rate transmission data.
According to a fifth aspect of the present invention, provide a kind of data transmission method for uplink, this method may further comprise the steps: be created in the receiver side recording medium and store available first data flow after first data flow; Generation comprises second data flow of voice data and video data; With send from first data flow and the multiplex multiplexed data stream of second data flow; Wherein become the mode that is lower than the transmission rate that is used for second data flow, the described multiplexed data flow of multiplexing with the transmission rate that is used for first data flow.
With this structure, corresponding to predetermined peak transfer rate, be kept for the speed of second data flow, so that receiver side can show second data flow in real time; Send with the transmission rate that can not cause the second data flow transmission problem with available first data after storage first data flow in the receiver side recording medium.Therefore, realized that abundant use peak transfer rate transmits data.
According to a sixth aspect of the invention, a kind of data receive method is provided, this method may further comprise the steps: receive from the multiplex multiplexed data flow of first data flow, wherein this data flow is available store first data flow in the receiver side recording medium after, become the mode that is lower than the transmission rate that is used for second data flow with second data flow that comprises voice data and video data with the transmission rate that is used for first data flow, separating the multiplexed data flow that has received is first data flow and second data flow; With record first data flow of having separated on recording medium.
With this structure, utilize second data flow of the enough transmission rates that provided can be used for showing or the like in real time.On the other hand, in recording medium, store first data flow after, that is, and when the data cell of needs stores, can utilize the transmission rate that has been lower than second data flow by the first multiplexed data flow.Therefore, can realize making full use of peak transfer rate transmission data.
According to a seventh aspect of the present invention, a kind of data transmission method for uplink is provided, this method may further comprise the steps: the data flow of using the television program broadcasting frequency band to send to comprise voice data and video data and by storing available other the data flow of transmission after this data flow in the receiver side recording medium this distribution of flows for the data broadcasting frequency band; With control television program broadcasting frequency band and data broadcasting frequency band, so that synthetic frequency band can not surpass a given bandwidth.
With this structure, use the television program broadcasting frequency band, be sent in the data flow that comprises voice data and video data that receiver side can utilize in real time; Send available data flow with use television program broadcasting frequency band after this data flow of storage in the receiver side recording medium.Therefore, use given bandwidth can effectively send two types data flow.
According to an eighth aspect of the present invention, a kind of method of reseptance is provided, this method may further comprise the steps: receive broadcasting, use the television program broadcasting frequency band to send the data flow that comprises voice data and video data therein, the data broadcasting frequency band of distributing to this data flow with use is sent in available other the data flow that stores in the receiver side recording medium after this data flow, control television program broadcasting frequency band and data broadcasting frequency band be not so that synthetic frequency band can surpass a given bandwidth; With the data flow of distributing to data broadcasting frequency band of record from the broadcasting of described receiving step reception.
With this structure, can utilize the data flow in the programming frequency band to show or the like in real time; After in recording medium, storing this data flow, that is, when the data cell of needs stores, can utilize the data flow in the data broadcasting frequency band.Therefore, can realize making full use of peak transfer rate transmission data.
According to a ninth aspect of the present invention, a kind of tape deck is provided, this device comprises: input unit, be used for importing at least one from the multiplexed data flow of first data flow that comprises the Voice ﹠ Video data with from second data flow that comprises the Voice ﹠ Video data that send as broadcast program; Separator, being used for multiplexed data stream separation is first data flow and second data flow; Recording medium, first and second data flow of record separation thereon; Reproducer is used to reappear first data flow that is recorded on the recording medium; And recording control apparatus, be used for a given area of controlling recording medium, so that only allow first traffic logging in the given area.
With this structure, keeping one can become possibility by the zone that the user freely uses in advance, and in addition, the supplier also allows the user freely to download content.
According to a tenth aspect of the present invention, a kind of tape deck is provided, this device comprises: input unit, be used for importing at least one from the multiplexed data flow of first data flow that comprises the Voice ﹠ Video data with comprise second data flow of the Voice ﹠ Video data that send as broadcast program; Separator is used for multiplexed data stream is separated into first data flow and second data flow; Recording medium, first and second data flow of record separation thereon; Reproducer is used to reappear first data flow that is recorded on the recording medium; And recording control apparatus, be used for a given area of controlling recording medium, so that only allow first traffic logging in the given area, the area dividing of wherein said recording medium is supplier specific region and user specific region.
With this structure, recording medium is divided into supplier zone and user area these zones not interference and disposable advantage mutually are provided.
According to an eleventh aspect of the present invention, a kind of reproducer is provided, and this device comprises: recording medium is used to write down first data that comprise the Voice ﹠ Video data at least, with second data that comprise the Voice ﹠ Video data, these Voice ﹠ Video data send as broadcast program; With the reproduction control device, be used to reappear first data flow that is recorded in presumptive area on the recording medium.
With this structure, keeping one can become possibility by the zone that the user freely uses in advance, and in addition, the supplier also allows the user freely to download content.
According to a twelfth aspect of the present invention, a kind of recording method is provided, this method may further comprise the steps: import at least one from data flow multiplexed in first data flow that comprises the Voice ﹠ Video data with comprise second data flow of the Voice ﹠ Video data that send as broadcast program; With multiplexed data stream separation is first data flow and second data flow; First and second data flow that record separates on given recording medium; Reproduction is recorded in first data flow on the recording medium; With a given area of controlling recording medium, so that only allow first traffic logging in the given area.
With this structure, keeping one can become possibility by the zone that the user freely uses in advance, and in addition, the supplier also allows the user freely to download content.
According to the 13 aspect of the present invention, a kind of replay method is provided, this method may further comprise the steps: write down second data that comprise first data of Voice ﹠ Video data at least and comprise the Voice ﹠ Video data on recording medium, these Voice ﹠ Video data send as broadcast program; Be recorded in first data flow of presumptive area on the recording medium with reproduction.
With this structure, keeping one can become possibility by the zone that the user freely uses in advance, in addition, and content that the supplier also allows the user to reappear freely to write etc.
Description of drawings
Fig. 1 is a simple structural representation, illustrates to be used for the operation that embodiments of the invention constitute the BS station of broadcasting-satellite system;
Fig. 2 is a simple conceptual schematic view, illustrates an EC platform that comprises BS station shown in Figure 1, its organic assembling content, radio wave/transmission path and terminal equipment;
Fig. 3 is an illustrative figure, illustrates the function and the commercial structure at BS station shown in Figure 1;
Fig. 4 is a simple conceptual schematic view, illustrates the business model at a BS station shown in Figure 1;
Fig. 5 is a block diagram, illustrates the commodity that are relevant to BS shown in Figure 1 station and the flow process of service;
Fig. 6 is a block diagram, illustrates the flow process of the paying that is relevant to BS station shown in Figure 1;
Fig. 7 is a simple structural representation, illustrates a digital broadcast transmission device and a digital broacast receiver in an embodiment of the present invention;
Fig. 8 is a conceptual schematic view, illustrates the example of distributing to the broadcast band of a broadcaster among the embodiment shown in Figure 7;
Fig. 9 is a conceptual schematic view, illustrates the transmission rate of the distribution of using in the BS digital broadcasting shown in Figure 7;
Figure 10 is a block diagram, illustrates the configuration example of a mpeg decoder part in the digital transmission unit shown in Figure 7;
Figure 11 is a block diagram, illustrates the configuration example of a record reconstructing portion in the digital receiver shown in Figure 7;
Figure 12 is a block diagram, illustrates the configuration example of another record reconstructing portion in the digital receiver shown in Figure 7;
Figure 13 is a block diagram, illustrates the specific example of display screen that shows animation in the digital receiver shown in Figure 7;
Figure 14 is a block diagram, illustrates the specific example of display screen that is used for order goods in the digital receiver shown in Figure 7;
Figure 15 is a block diagram, illustrates the specific example of display screen that is used to confirm commodity purchasing in the digital receiver shown in Figure 7;
Figure 16 is a block diagram, illustrates the configuration example of another record reconstructing portion in the digital receiver shown in Figure 7;
Figure 17 is an explanatory view, illustrates the specific example of HDD shown in Figure 16;
Figure 18 is an explanatory view, illustrates how to divide disk shown in Figure 17;
Figure 19 is a diagrammatic explanatory view, illustrates the structure of MPEG-TS; With
Figure 20 is an explanatory view, illustrates the operation of the transponder of the artificial satellite that is used for satellite broadcasting.
Embodiment
Hereinafter, will describe embodiments of the invention in detail with reference to the accompanying drawings.
To the embodiment of the satellite broadcasting commercial affairs management system of the business management method that adopts according to the present invention and business management device be described.
Fig. 1 is a block diagram, illustrates the sketch map according to the satellite broadcasting commercial affairs management system of embodiment.
Business management system comprises the BS station 10A to 10D as satellite broadcasting company, this satellite broadcasting company uses such as satellite broadcasting and transmits video content as existing BS system, and television receiver 11 can receive and show the video content that is transmitted by BS station 10A to 10D.In addition, in Fig. 1, the dash area of standing at each BS from 10A to 10D is the part that realizes transmission the data broadcasting frequency band.In addition, the recording medium (in this embodiment, hard disk 13 has the 36GB recording capacity) that is used to write down the BS data broadcasting is connected in television receiver 11.In this connected, when the transmission rate of broadcasting for example was 4Mbps (SD), the hard disk 13 with 36GB recording capacity can write down 20 hours broadcasting.
In addition, this system also comprises an EC platform 14, and it provides a BS station with video content and electronic business transaction company information.
As shown in figure 2, this EC platform 14 has the function of organic combining medium supplier 20, terminal equipment 21, content 22 and a radio wave/transmission path 23.Medium supplier 20 comprises an internet providers, a base station or the like.Terminal equipment 21 comprises a television receiver 11, information equipment (for example personal computer), cell phone, radio telephone or the like.Content 22 relates to a lot of types, comprises music, life insurance information, film, banking information, broadcast program.Radio wave/transmission path 23 has a structure, all covers BS data, CS, cable or the like.
In addition, this system of words that needs in the future also can replenish the CS station 19 of one 110 degree.The CS data broadcasting is for example carried out with 52Mbps in this 110 degree CS station 19.
There is following function at BS station 15, arranges and send the broadcasting of storage type; The user confirms; The bill clearing; Pay and the management hard disk; The user supports; Gateway or the like.As shown in Figure 3, its commercial structure is based on the investment from broadcaster 25 and household electronic production person 26.Between BS station 15 and broadcaster 25, a given broadcast band (approximately being 2Mbps in this embodiment) is provided, use the frequency band of this about 2Mbps that service such as video content and electronic commerce information is provided.
In addition, offer recording medium in BS station (being harddisk recording device in this embodiment) by household electronic production person 26 and be used to store the BS data, it is free or be lower than the price of cost that these BS data offer the consumer.The exchange recording medium, the 15 pairs of subsidies in BS station are given household electronic production person 26.
In addition, in viewer side, a television receiver 11 that comprises the recording medium (hard disk) of a special use is arranged, it can receive BS station data broadcasting and store it onboard temporarily or discretely.After the BS data broadcasting that is provided by the BS station was provided, the BS data broadcasting can be recorded on this recording medium.About this recording medium, data are with FIFO method record; More particularly, in order to write down new data, at first delete the data of record the earliest.In addition, in order to check, recording medium allows to choose at random and has received and the interim BS data broadcasting that stores.
More particularly, as shown in Figure 3, if select " bs stand .com " menu screen 11A, select one from the type that comprises " emphasis today ", " shopping ", " commercial affairs/paying ", " motion ", " travelling ", " amusement ", " news and weather forecast ", " recreation " and " life " visit BS station, these BS data are to be stored at present to want the information of checking in the recording medium.If select " shopping ", then can check and buy commodity, this will describe in detail in the back.
As shown in Figure 4, the business model that the BS station of above-mentioned functions and commercial form is arranged, the technology platform 31 that comprises the technical solution problem, can support the producer 32 of the production television receiver of hard disk, be a charge member user 33, manage each member's a basic company 34, support an EC e-shop 35 of ecommerce, a content provider 36 of various contents is provided, sends a broadcasting station 30 of content at about 2Mbps frequency band.
Technology platform 31 offers manufacturer 32 with HDD control technology (HDD (hard drive) that stores the BS data therein is connected to television receiver), encryption technology, identification with checkout technology and metadata control technology, in addition, technology platform 31 permits and makes both sides satisfied to the permission of BS station 15 these technology of use from manufacturer's 32 free receptions.
If the HDD of receiving system uses frequency band empty in the broadcast band that is had by the broadcasting station to store the data broadcasting of broadcasting, the metadata control technology is a kind of control technology that makes mass data assemble and reappear use, in addition, from the viewpoint of software various functions are arranged: notes data broadcasting, it is suitable for each user's preferential selection and stores them; Select the information of speed and other by the user who preferentially stores.
In addition, relevant data broadcasting in recording medium storing is when continuing to store the data broadcasting that receives, may control storage by this way, if promptly the capacity of storage area becomes and is less than or equal to specified value,, at first delete the data broadcasting that stores the earliest in order to store new data broadcasting.
Manufacturer 32 can support the television receiver of hard disk and hard disc module to offer the user, and the income by obtaining the HDD subsidy and replace paying the license fee of technology platform 31 with the stand income of 15 parts of BS makes both sides satisfied.
User 33 pays Membership Fee for checking received content (in this case, the BS data are from the broadcasting station).Basis company 34 implements to be used for BS 15 commercial affairs of standing, and in detail, implements to substitute member management commercial affairs, trading processing and the key management commercial affairs at BS station 15.
Company of EC e-shop 35 can set up such environment, and promptly it can be a virtual shop to 15 payment EC trusts of BS station and advertising expenditure transaction.
Content provider 36 is taken such as the various contents watchings of video contents and music (if they in identical zone then irrelevant with the kind of content) by obtaining from BS station 15.
The broadcast band broadcast data broadcasting of appointment is used in broadcasting station 30; Under the situation of digital broadcasting, it is empty broadcast band (for example 2Mbps) in the broadcast band of 24Mbps, and this data broadcasting frequency band changes according to broadcast program.
Except paying broadcasting station license fee and frequency band expense, BS station 15 is taken in to the broadcasting station by returning part and is made both sides satisfied.
Secondly, be described in reference to figure 5 and Fig. 6 and have as the commodity in the business model at the BS station of above-mentioned structure and the actual flow process of service and paying.
As shown in fig. 5, below commodity and service procedure comprised: the permission of (1) technology platform was reached an agreement with equipment manufacturers; (2) technology platform permits that also constituting the BS station with a storage broadcaster reaches an agreement.
(3) equipment is paid to the user of request for data broadcasting by equipment manufacturers, and this equipment is a television receiver of setting up HDD therein, or a television receiver that is equipped with HDD.This equipment have can storage data the recording medium of broadcasting, the software that can control and reappear this storage data broadcasting is arranged.
In addition, this equipment freely or with low price provides.Because main purpose is the virtual shop that storage data broadcasting was used and caused using to content fee, so the profit of equipment self is minimum.
(4) EC e-shop, it provides virtual shopping, and content provider's commodity and advertisement are provided.
(5) content provider provides broadcaster's content of storage.
(6) when store broadcaster accept video content and from content provider be used for the content of ecommerce the time, store broadcaster send comprise these contents data broadcast program to broadcasting permission company (BS station or broadcasting station).
(7) receive after the data that store broadcaster's broadcasting in broadcasting permission company, broadcasting permission company use a sky broadcast program (WOWOW, NHK1, broadcast band broadcast data broadcasting NHK2), it be the broadcasting of 24Mbps with on broadcasting.
(8) when the equipment of user side receives this data broadcasting, this equipment is redeveloped into data broadcasting a content-data and stores it, allows to watch the content of wanting by menu operation.These viewed contents send to communication common carrier as watching historical data.
(9) receive the user when watching historical data when communication common carrier, communication common carrier allows to extract that watch now and data broadcasting that watch in the past, sends each user's viewing history data to basic company then.
(10) receive when watching historical data from communication common carrier when basic company, basic company uses watches historical data to extract by each user-selected view content, their type or the like.After this, basic company produces user data, sends them to storing broadcaster.Based on user data, store the program that the big audience part is selected to have by broadcaster, also select the ecommerce content.After this, store broadcaster and organize broadcast program, send this data broadcasting then to broadcasting permission company.This can only send the data broadcasting that is fit to user's needs.Therefore, can provide abundant content.
Below, the paying flow process that is produced by above-mentioned commodity and service procedure is described with reference to figure 6.
At first, (1) user watches the data broadcasting that stores broadcaster, then, and in order to carry out virtual shopping and to carry out member subscription by being included in ecommerce in the data broadcasting.Therefore, with the moon membership dues pay and store broadcaster, this month membership dues by every month fixing expenditure, extra service charge (for example when surpass allow use hour the time charge) or the like form.
(2) store broadcaster's payment HDD subsidy and EC income part (it returns as given profit) and give equipment manufacturers, equipment manufacturers provide the equipment that can watch data broadcasting to the user that the membership is arranged, especially, provide one have can storage data broadcasting recording medium television receiver or by the recording medium component devices that is connected to television receiver.
(3) store the content fee that broadcaster matches to content provider Zhi Fuyu content, the content provider provides video content and implements the content of ecommerce.
(4) storing broadcaster takes to government of broadcasting permission company frequency band for the purpose of broadcast data broadcasting.
(5) storage broadcaster pays commercial affairs trust and the EC income part of having returned as given profit to the basic companies that implement various agency's commercial affairs.
(6) basic company is to communication common carrier pay lines travelling expenses.
(7) store broadcaster and pay license fee to broadcaster.
(8) equipment manufacturers pay license fee to technology platform.
(9) EC e-shop pays electronic business transaction expense and advertising expense to the content provider.
(10) EC e-shop is to storing the EC of broadcaster payment EC trust, electronic business transaction trust and advertising expense.
The business management method is used to manage the flow process of paying as mentioned above with calculate profitability, returns company and the user who gives relevant storage company as suitable profit with being used to, and describes below with reference to Fig. 5 and 6.
Store the flow process that broadcaster pays by the business management device management.The business management device comprises the control device that is used to provide the input unit of balance of payment information and is used to control balance of payment, so that part of my profit service of returning to or advertising expense.The part of my profit that returns is based on by payment company and offers cost that user's user record device corresponding contents needs, obtains by the content usage charges of this user's payment with by being included in the expense that obtains in given service in this content and/or the advertisement.
Use the business management device, store television receiver that broadcaster calculates the television receiver of a wherein built-in HDD who offers the user or have a HDD remaining sum as the payment of the cost that needs corresponding to television receiver such as the tape deck of virtual shop's (these television receivers offer the user by the equipment manufacturers of paying company as equipment) content; Pay month Membership Fee and extra-service by the virtual shop and the content usage charges such as take, and these expenses are by user's payment that equipment is provided; And EC sells trust, exhibition fees, advertising expense etc. and equals the expense that obtains in given service from be included in this content or the advertisement.Store broadcaster according to service of returning to of this profit control section profit or advertising expense.
For example, discuss according to the device fabrication (production) that this profit control section profit returns to tape deck, will return to equipment manufacturers to the money of determined number and take in part as EC if store broadcaster.In this case, described quantity determines that by the management devices that is used to manage the tape deck quantity that has offered the user company offers the user with content corresponding by payment.According to the quantity of tape deck, determine that device is used for determining to pay the expense that is included in given service of this content or advertisement.
Uses such business management device, manage the distribution of commercial profit, and the commercial profit of part returns to moon membership dues and extra-service expense, it equal tape deck device fabrication (production) person EC income part and by the content usage charges of user's payment.
Such business management system is not only applicable to satellite broadcasting, is applicable to the multiplexed digital broadcasting of data broadcasting simultaneously yet.
Below, use the business management system digital broadcast transmission device of the above-mentioned BS of being used for digital broadcasting and digital broacast receiver to be described in being used to shown in the embodiments of the invention and handle dispensing device and receiving system and a kind of method that is used to send and receive multiplexed data of multiplexed data.
Fig. 7 is a block diagram, and the digital broadcast transmission device of this embodiment and the structure that digital broadcasting receives (record) device have been described.
Digital broadcast transmission device 110 comprises that at least one first data flow produces part 111, be used to produce first data flow that comprises the Voice ﹠ Video data, one second data flow importation 112, be used to receive second data flow that comprises the Voice ﹠ Video data, these Voice ﹠ Video data send as broadcast program, a multiplexer 113, be used for multiplexing first data flow and second data flow, an output 114, be used to export multiplexed data flow, a multiplexing control section 115 is used to control multiplexing, so that the transmission rate of first data flow becomes the coding bit rate that is lower than first data flow.
First data flow produces part 111 and constitutes from video and audio content at least and/or the content that is used for ecommerce and produce first data flow.Go out as shown in Figure 8, the transmission rate of distributing to this first data flow approximately is 2Mbps, and it is considerably narrow, but the broadcast band that is used for first and second data flow has 24Mbps, as peak transfer rate.
More specifically, the broadcast band of distributing to a broadcaster is total up to 24Mbps, and it is by for example corresponding to the data broadcasting of first data flow, form corresponding to the television broadcasting of second data flow, extra broadcasting, radio frequency and other.
In this case, as shown in Figure 9, the transmission rate that is used for corresponding to the data broadcasting of first data flow approximately is 2Mbps, when a broadcaster by multiplexed their when sending TV programme 1,2,3,2Mbps is the remainder of required transfer rate.Make full use of the transmission rate of this about 2Mbps, data broadcasting (first data flow) and the television broadcasting (second data flow) that is sent out are by multiplexed.
Below, with reference to Figure 10 the special formation of an encoder of transmitting device 110 is described, this transmitting device 110 provides compression and sends multiplexed data broadcasting and television broadcasting corresponding to this transmission rate of data broadcasting.
This encoder comprises one second data flow importation 112, be used to import video and voice data as the broadcast program transmission of BS digital broadcasting, one first data flow produces part 111, be used to import the video (image) and the audio frequency (voice) of data broadcasting, a multiplexer 113, be used for multiplexed first and second data flow, a multiplexed control section 115, be used to control multiplexed, an output 114, be used to export multiplexed data flow and a interface 116 corresponding to teletext broadcasting.
The second data flow importation 112 comprise the video interface 117a of respectively input video and voice data and audio interface 117b and compression respectively from these interfaces 117a and interface 117b by video compressor 118a and audio compressor 118b such as the data of MPEG method input.
First data flow produces part 111 and comprises that the video interface 117c of input picture and speech data respectively and audio interface 117d and compression are respectively from the video compressor 118c and the audio compressor 118d of the data of these interfaces 117c and interface 117d input.
On the other hand, secondary multiplexer 113b is about 2Mbps by the transmission rate that changes first data flow, and first data flow (data broadcasting) of the code rate of the multiplexed 4Mbps of having is second data flow (television broadcasting).
115 controls of multiplexed control section are above-mentioned multiplexed, so that it is multiplexed with the code rate of 2Mbps to have first data flow of code rate of 4Mbps.Specifically, though first data flow has the code rate of 4Mbps at first, first data flow is controlled to multiplexed back code rate and becomes 2Mbps, and it is lower than initial code rate.In other words, if calculate with time base, it than initial code rate slow twice.In this mode, so that it sends with the speed that is lower than initial code rate, then sending first data flow with the narrow band transmission speed that has obtained becomes possibility by controlling first data flow (data broadcasting).
A special formation of the receiving system 130 be used to receive the mpeg encoded and multiplexed first and second data flow is described below with reference to Figure 11.
This receiving system constitutes hdd recorder, it comprises one second data flow receiving unit 131a, receive second data flow (television broadcasting) by separate second data flow from antenna, also comprise one first data flow receiving unit 131b, be used to receive first data flow (data broadcasting).The second data flow receiving unit 131a and the first data flow receiving unit 131b are connected to first data flow through system bus B and reappear control section 125, the first traffic logging part 133 and the first data flow reconstructing portion 134.
The second data flow receiving unit 131a comprises a tuner 135a that can receive second data flow (television broadcasting), a digital demodulating circuit 136a and an error correction circuit 137a who is used for correction error who is used for demodulation by the signal of tuner 135a reception.Multiplexed by image and speech data that demodulated data is broadcasted by going multiplexer 138 to go, and offer system bus B, therefore export to television receiver (TV) as suitable data.
The first data flow receiving unit 131b comprises a tuner 135b that can receive first data flow (data broadcasting) of about 2Mbps transmission rate, a digital demodulating circuit 136b who is used for demodulation by the signal of tuner 135b reception, with an error correction circuit 137b who is used for correction error, first data flow (data broadcasting) of demodulation is recorded in the recording section 133.
In addition, recording section 133 Be Controlled are so that have the preferential record of type (zone) quilt that height is watched rate; Or recording section 133 is controlled to first data flow of previous particular type by preferential record.
For example, watch history by statistics ground process user, periodically determining to have height, to watch the rate type be possible.Corresponding to definite result, first data flow in the type is record preferentially, and in other words, be provided with by the use pattern and allow the user to select to want the type of watching, in the type of wanting to watch, be possible corresponding to outcome record first data flow of selecting.
As type used herein, following type can be used: comprise the classification of the relevant programme content such as " film ", " music ", " physical culture ", " news " and " document "; Comprise the classification of the attribute of the relevant ecommerce commodity such as " clothes ", " food " and " incident "; And other.
Reappear control section 125 and comprise a CPU (CPU) and a reconstructing portion 134, so that after first data were all write down, reappearing first data flow (data broadcasting) became possibility.
Reconstructing portion 134 has a mpeg decoder 134a and an OSD (screen display) 134b, and the image and the speech data of first data flow (data broadcasting) are exported to television receiver (TV).
In this mode, first data flow (data broadcasting) that sends with very narrow transmission rate from dispensing device is recorded on the hard disk as recording medium.In this respect, after first data were all write down, reappearing first data flow became possibility.Therefore, though transmission rate is lower than initial code rate, also can normally shows first data flow and can not interrupt.
Below, be described in another receiving system among the embodiment with reference to Figure 12.
The formation of this receiving system has a hdd recorder that first and second charging (CAS) functions are arranged, and in the following description, except the formation and operation of explanation hdd recorder, has also described the operating process at user side.
This hdd recorder uses outside satellite antenna receiving digital broadcast signal.Subsequently, hdd recorder is imported an intermediate-freuqncy signal of having been changed by the transducer of satellite antenna respectively and is given the data flow receiving unit 210a of front and rear part and digital tuner 211a and the 211b of 210b.
Go multiplexer 221a and 221b to select a data flow according to user's instruction from an input transmission channel, the data flow that will select outputs to a CAS part 222a and a 222b then.
According to the key that is stored in the IC-card 224 that inserts in the IC-card interface 223, a CAS part 222a and 222b descrambling code are respectively from removing the password of the data flow that multiplexer 221a and 221b provide.If the instruction record, then a CAS part 222a and 222b offer hard drive 226 through system bus 225 with data flow.
In addition, if instruction is watched in real time, then the output of a CAS part 222a and 222b offers the 2nd CAS part 227.
The 2nd CAS part 227 is by key (Public key) or given server of cell phone module 228 visits of storage in advance.When the data flow of input was encrypted, key (Public key) the 2nd CAS part 227 decoding (descrambling code) passwords according to obtaining outputed to it mpeg decoder 229 then.
By the MPEG method, the data flow decoding of 229 pairs of inputs of mpeg decoder, provide picture signal to OSD (screen display) circuit 230,, then data are outputed to the display unit that is used to show them according to multiplexed image of given osd data and lteral data.In addition, the voice signal of exporting is exported to loud speaker etc. from mpeg decoder 229.
By the way reach, if equip a plurality of digital tuners, then above-mentioned processing can be implemented on different channels simultaneously; Or different data flow record simultaneously.
Response user's instruction, the operation of each part that CPU231 control is above-mentioned.The data and the program of the various needs of fast storage 232 storages.
Whether when the user uses EPG (electronic program guides) instruction to carry out to watch and writes down, checking such as the program provisioning information that includes broadcasting station identifier in the EPG data and program identifiers is information with the Data Matching that sends with data flow that includes that Network Recognition descriptor, part in SIT (selection information table) send data flow time descriptor and broadcasting ID descriptor.Then, the PID (identification of data packets symbol) of desired data stream is provided for multiplexer circuit.Therefore, filtering becomes possibility.
If the data flow that receives is a bill, then checks this data flow and whether be one and be used for the ECM (authorization control message) that sends with image and audio data stream and the data flow of the required bill of EMM (entitlement management message).
After this, only need be used for first CAS if bill is handled, then by the IC-card interface circuit, the needed data of ECM and EMM are exported to IC-card.Then, according to the result in IC-card, the acquisition encrypted message removes to finish the descrambling code in first ca circuit.
In addition, when commodity or service Anshun when placing on the video screen, commodity or service that response is selected by the user, CPU reads the telephone number of the server that is connected, this telephone number is stored in fast storage etc. in advance, instructs cell phone module to be connected with this server then.
Cell phone module is called out the telephone number according to link order connected.Cell phone module is waited for the connection response from connected server.In case connect, cell phone module obtains about the information from the service of the distribution of the selection of server or selection, and the words that need show on display unit.When the user carried out the purchase operation, CPU sent a purchasing process and instructs to server.
Response is from the request of server, send be used for User Recognition comprise that device is specified number and the data of customer identification number.When the circular information finished of purchasing process and its information of following when server sends, the words of this informational needs are presented on the display unit.After this, when operation is withdrawed from user's execution, disconnect the connection of cell phone module.CPU in fast storage etc. storage such as the historical information of shopping.After this, response user's request, this information is used for showing the shopping history lists.
Below, utilize schematic diagram at the display screen shown in Figure 13,14 and 15, the reproduction process of above-mentioned first data flow by the hdd recorder storage is described.
At first, reappear the content that is replicated on the hard disk.If allow to buy commodity or service, as shown in figure 13, icon 311 and animation that spectators show on screen 300 of 312 expressions, for example it points out spectators to carry out the shopping operation.
When spectators are used to do shopping the operation keys of action by the next one (for example, press icon), as shown in figure 14, demonstrate a window 320 that is used to describe in detail the information that comprises display of commodity and service (screen shown in Figure 14 illustrates the demonstration of using when buying CD).
According to the screen in window 320, the user imports quantity purchase and payment methods or the like and gives input field 321,322, and then, the user selects " purchase " button 323 to carry out and buys action; Or select 324 cancellations of " cancellation " button to buy action.
In addition, when select buying " during button 323, according to by the payment methods of input (for example bank account is transferred accounts, credit card or the like) appointed method, by bank and the credit agency process that completes charge.
After finishing course of payment, order goods, service etc.; Check stock; Obtain about delivery data information from sales company or through sale department; As shown in figure 15, its result is presented on the screen 300 that uses window 330.Subsequently, select " withdrawing from " button to withdraw from shopping process.
By the way reach, imitate four colorful key (blue, red, yellow and green) color button demonstrations that are used for data broadcasting and can be used as these buttons.
Described as mentioned above according to embodiments of the invention, still, the invention is not restricted to the embodiments described, and the present invention can further change.
For example, in the above-described embodiment, the situation of first and second data stream multiplexings and transmission has been described.Yet, for the system that distributes similar data to flow to go to send them to programming frequency band and data broadcasting frequency band, by the control transmitter side so that the synthetic of programming frequency band and data broadcasting frequency band can not surpass a given frequency band, data flow be used for the data broadcasting frequency band by use record on the receiver side hard disk also can reach similar effects.
In addition, as recording medium, not only can use hard disk but also can use other medium.
Describe as being used to receive below with reference to Figure 16 by another structure of the receiving system 130 of the recording and reproducing device of the mpeg encoded and multiplexed first and second data flow.
This receiving system has the second data flow receiving unit 431a of second data flow (television broadcasting) that reception separates from antenna and receives the first data flow receiving unit 431b of first data flow (data broadcasting).The second data flow receiving unit 431a and the first data flow receiving unit 431b are connected to control section 425, recording section 433 and reconstructing portion 434 through system bus B.
The second data flow receiving unit 431a comprises a tuner 435a that can receive second data flow (television broadcasting); Be used for the digital demodulating circuit 436a of demodulation by the signal of tuner 435a reception; With an error correction circuit 437a who is used for correction error.By the image and the speech data of second data flow receiving unit 431a demodulation relevant data broadcasting, go multiplexer 438 to separate this multiplexed signal, and the data of separating are offered system bus B.As a result, these data are exported to television receiver (TV) as suitable data.
The first data flow receiving unit 431b comprises a tuner 435b that can receive first data flow (data broadcasting) with about 2Mbps transmission rate; Be used for demodulation is comprised reception by tuner 435b signal digital demodulator circuit 436b; With an error correction circuit 437b who is used for correction error.First data flow (data broadcasting) of this demodulation is recorded in the recording section 433.Control this recording section 433, so that during writing down, be less than or equal to sizing or when being zero when the size of the recording areas that is used for first data flow becomes, from first data flow that has write down deletion the earliest record first data flow (having first data flow of record data the earliest) and write down the first new data flow.In addition, controlling recording part 33 is so that have the preferential record of first data flow quilt that height is watched rate type (zone).It can also be controlled to formerly, and first data flow of stated type is preferred record.
Reappear control section 425 and have a CPU (CPU), and control reconstructing portion 434 is so that after first data flow is all write down, can reappear first data flow (data broadcasting).In addition, reappear control section 425 and control second data flow that has been recorded in the recording section 433, so that it can reappear second data flow.
Reconstructing portion 434 comprises a mpeg decoder and an OSD (screen display), and the image of decode second data flow and first data flow (data broadcasting) and speech data are to export to them television receiver (TV).
In addition, system bus B is connected to the modulator-demodulator 439 that is connected in telephone wire, and telephone wire is connected in an external electric phone network, and IC-card I/F 441 and a digital I/F 442 that IC-card can insert wherein can be connected in the network.In receiving system 430, when the ecommerce of first data flow (data broadcasting) of Visitor Logs in HDD433, this IC-card 440 becomes the card that can keep accounts and use especially.
By this way, be recorded on the hard disk with first data flow (data broadcasting) that very narrow frequency band transmission speed sends, in this respect, after first data flow is all write down, can reappear first data flow from dispensing device.Therefore, though transmission rate is lower than initial code rate, also can normally shows first data flow and can not interrupt.
Hard disk drive (HDD) 33 is recording sections, comprises HDD unit 450 as shown in figure 17.HDD unit 450 comprises a disk 451 as recording medium, a magnetic head 452 that is used for read and write on disk 451, an amplifier 453 that is used to amplify from the signal of magnetic head 452, a reproduction channel signal treatment circuit 454 that is used to handle this amplifying signal, 455, one records of amplifier channel signal treatment circuit 456 that uses magnetic head 452 to write to disk 451; SPM controller 459 that is used to control disk 451 rotations and one are used to control through system bus B and send records and reproducing signal and reception from the record of data flow reconstructing portion 434 and the controller 457 of reproducing signal to data flow reconstructing portion 434.Here, the supplier district separates on disk 451 with the user area.In other words, each supplier district and user area are preassigned as the specific region.
As shown in Figure 18, the disk 451 of the recording medium of HDD unit 450 is distinguished into two zones by branch.The zone that is separated forms supplier district and user area.The user area is a district that can freely be used by the user.For example the user area is used to store second data flow that has received; Comprise from the image and the speech data of unshowned in the drawings outside input; Use with AV.For example, the user area can be used for simply standby from EPG (electronic program guides), programs recommended automatic record and reproduction etc.In the supplier district, in this embodiment, the content of essential record first data flow.In detail, the supplier district is used for: carry out the supplier and download; Download content and comprise music, video and recreation; Provide virtual mall by ecommerce; Advertisement such as virtual showroom is provided; Paying information etc.Therefore, control these zones so that a zone is private the use, other zone is used for the data broadcasting except television program broadcasting.
Though use certain conditions to describe the preferred embodiments of the present invention, such description only is an illustrative purposes for example, should understand under the prerequisite of spirit and scope of the claim below not breaking away from and can carry out various changes and variation.
Claims (24)
1. recording equipment comprises:
Input unit is used for importing from first data flow that comprises the Voice ﹠ Video data with from comprising at least one multiplexed data flow of second data flow of the Voice ﹠ Video data that send as broadcast program;
Separator, being used for multiplexed data stream separation is first data flow and second data flow;
Recording medium, first and second data flow of record separation thereon;
Reproducer is used to reappear first data flow that is recorded on the recording medium; With
Recording control apparatus is used for a given area of controlling recording medium, so that only allow first traffic logging in the given area;
Wherein the input unit input is lower than the multiplex data flow of mode of the encoding bit rate of first data flow with the transmission rate of first data flow.
2. according to a kind of recording equipment of claim 1, wherein be less than or equal to sizing or when being zero when the size of recording areas becomes, described recording control apparatus is deleted the data slice that has been recorded in first data flow in proper order with record, and writes down the first new data flow.
3. according to a kind of recording equipment of claim 1, wherein said first data flow comprises image and sound-content at least and/or is used for the content of ecommerce.
4. according to a kind of recording equipment of claim 1, wherein said recording medium is a hard disk, and it places among the television receiver or places the outside of television receiver.
5. according to a kind of recording equipment of claim 1, wherein said hard disk has the recording capacity of 36GB at least.
6. according to a kind of recording equipment of claim 1, the transmission rate of wherein said first data flow approximately is 2Mbps, and the peak transfer rate of first and second data flow is 24Mbps.
7. according to a kind of recording equipment of claim 1, wherein have preferential selection of first data flow that high user watches frequency type and be recorded on the described recording medium.
8. according to a kind of recording equipment of claim 1, the preferential selection of wherein preassigned first data flow is recorded on the described recording medium.
9. reproducing apparatus comprises:
Recording medium is used to write down first data that comprise the Voice ﹠ Video data at least and second data that comprise the Voice ﹠ Video data, and these Voice ﹠ Video data send as broadcast program; With
Reappear control device, be used to reappear first data flow that is recorded in presumptive area on the recording medium.
10. according to a kind of reproducing apparatus of claim 9, wherein said first data flow comprises video and audio content at least and/or is used for the content of ecommerce.
11. according to a kind of reproducing apparatus of claim 9, wherein said recording medium is a hard disk, it places television receiver or places the television receiver outside.
12. according to a kind of reproducer of claim 9, wherein said hard disk has the recording capacity of 36GB at least.
13. a recording method comprises step:
Import at least one multiplexed data flow from first data flow that comprises the Voice ﹠ Video data and second data flow that comprises the Voice ﹠ Video data that send as broadcast program;
With multiplexed data stream separation is first data flow and second data flow;
First and second data flow that record separates on given recording medium;
Reappear first data flow that has been recorded on the recording medium; With
A given area of controlling recording medium is so that only allow first traffic logging in this given area;
Be lower than the other input traffic step of this data flow of mode multiplexing of the encoding bit rate of first data flow comprising transmission rate with first data flow.
14. according to a kind of recording method of claim 13, comprise size when the recording areas in described recording medium become be less than or equal to sizing or when being zero from first data flow that has write down deletion first data flow the earliest write down the other step of the first new data flow.
15. according to a kind of recording method of claim 13, wherein said first data flow comprises video and audio content at least and/or is used for the content of ecommerce.
16. according to a kind of recording method of claim 13, wherein said recording medium is a hard disk, it places television receiver or places the outside of television receiver.
17. according to a kind of recording method of claim 13, wherein said hard disk has the recording capacity of 36GB at least.
18. according to a kind of recording method of claim 13, the transmission rate that wherein is used for described first data flow approximately is 2Mbps, and the peak transfer rate that is used for first and second data flow is 24Mbps.
19. according to a kind of recording method of claim 13, wherein controlling recording on described medium watches first data flow of frequency preferentially to select record so that have high user.
20. according to a kind of recording method of claim 13, controlling recording on described medium wherein is so that preassigned first data flow is preferentially selected record.
21. a replay method comprises step:
Record comprises first data and second data that comprise the Voice ﹠ Video data of Voice ﹠ Video data at least on recording medium, and these Voice ﹠ Video data send as broadcast program; With
Reproduction is recorded in first data flow of presumptive area on the recording medium.
22. according to a kind of replay method of claim 21, wherein said first data flow comprises video and audio content at least and/or is used for the content of ecommerce.
23. according to a kind of replay method of claim 21, wherein said recording medium is a hard disk, places television receiver or places the outside of television receiver.
24. according to a kind of replay method of claim 23, wherein said hard disk has the recording capacity of 36GB at least.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP109962/00 | 2000-04-11 | ||
| JP2000109965 | 2000-04-11 | ||
| JP109963/00 | 2000-04-11 | ||
| JP109965/00 | 2000-04-11 | ||
| JP343104/00 | 2000-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB01119300XA Division CN1269357C (en) | 2000-04-11 | 2001-04-11 | Data transmission, receiving apparatus and method, and recording, reproducing apparatus and method |
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| CN1697508A true CN1697508A (en) | 2005-11-16 |
| CN100446557C CN100446557C (en) | 2008-12-24 |
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| CNB2005100655748A Expired - Fee Related CN100446557C (en) | 2000-04-11 | 2001-04-11 | Recording, reproducing apparatus and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102223548A (en) * | 2006-04-03 | 2011-10-19 | 株式会社日立制作所 | A video recording/reproducing apparatus |
| US8699338B2 (en) | 2008-08-29 | 2014-04-15 | Nxp B.V. | Signal processing arrangement and method with adaptable signal reproduction rate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AU703492B2 (en) * | 1995-09-14 | 1999-03-25 | Matsushita Electric Industrial Co., Ltd. | Data broadcast receiving apparatus |
| DE19600177A1 (en) * | 1996-01-04 | 1997-07-10 | Bosch Gmbh Robert | Process for the transmission of data |
| JPH09298721A (en) * | 1996-05-02 | 1997-11-18 | Matsushita Electric Ind Co Ltd | Broadcasting signal transmitting method and receiver |
| JP3365909B2 (en) * | 1996-07-08 | 2003-01-14 | 株式会社ケンウッド | Digital signal multiplexer |
| US6473903B2 (en) * | 1996-12-30 | 2002-10-29 | Koninklijke Philips Electronics N.V. | Method and system for implementing interactive broadcast programs and commercials |
| EP0963115A1 (en) * | 1998-06-05 | 1999-12-08 | THOMSON multimedia | Apparatus and method for selecting viewers' profile in interactive TV |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223548A (en) * | 2006-04-03 | 2011-10-19 | 株式会社日立制作所 | A video recording/reproducing apparatus |
| CN102223548B (en) * | 2006-04-03 | 2014-01-01 | 日立民用电子株式会社 | A video reproducing apparatus |
| US8699338B2 (en) | 2008-08-29 | 2014-04-15 | Nxp B.V. | Signal processing arrangement and method with adaptable signal reproduction rate |
| CN102132346B (en) * | 2008-08-29 | 2015-07-08 | Nxp股份有限公司 | Signal processing arrangement and method with adaptable signal reproduction rate |
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