CN1110152C - Variable-speed communication and reproduction system - Google Patents
Variable-speed communication and reproduction system Download PDFInfo
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- CN1110152C CN1110152C CN96122087A CN96122087A CN1110152C CN 1110152 C CN1110152 C CN 1110152C CN 96122087 A CN96122087 A CN 96122087A CN 96122087 A CN96122087 A CN 96122087A CN 1110152 C CN1110152 C CN 1110152C
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Abstract
The present invention relates to a variable-speed communication and reproduction system which comprises a service device, a customer device and a speed change data source, wherein the speed change data source is used for recording stated play speed and providing a data set requested. The speed change data source comprises the service device, and a control data communication system and a time-series data communication system which are connected with the service device and the customer device. The communication and reproduction system also comprises a speed change reproducer and a play speed setter, wherein the speed change reproducer is used for reproducing the data set provided by the speed change data source by adjusting tone and video in specified play speed; the play speed setter is used for setting the specified play speed for the speed change data source and the speed change reproducer.
Description
The present invention relates to change reappear time serial message (as, moving image, audio frequency, etc.) the communication and the playback system of speed.
Have a kind of customer service system in the prior art, the service unit that wherein stores moving image and audio-frequency information sends requested block of information in response to the request from customer equipment to customer equipment, and customer equipment reappears the information that sends.
An example of this system is exactly a communication Karaoke (rejecting the chant music of a sound) system, and moving image wherein and audio-frequency information comprise a series of coded datas.If the user can catch up with the music that the speed with expectation of his or she request plays and sing a song, that is optimal naturally.Yet conventional system can not change the promptly predetermined decoding speed of predetermined broadcasting speed.
If following problems will take place in service speed according to broadcasting speed change whole system so when reappearing moving image and sound.That is, the tone during with coding is compared, and the tone of the sound of output will take place and the proportional variation of broadcasting speed, become and make us very uncomfortable.In addition, the scanning line frequency and the field frequency of pixel sampling frequency, output moving image also all will take place and the proportional variation of broadcasting speed.On the other hand, generally also to set these frequencies that are used to receive and show the monitor of exporting moving picture signal at the fixed value that has certain tolerance.Therefore, if the broadcasting speed of setting has surpassed any one tolerance, so, the reproduction of moving image and sound can be not successful.
According to one aspect of the present invention, by providing a kind of variable-speed communication and playback system to improve these problems of the prior art and other problem and making progress, this system comprises variable rate data source, speed change reproducer and broadcasting speed setting apparatus; The variable rate data source is used for providing requested data set with user-defined broadcasting speed; The speed change reproducer reappears the data set that is provided by the variable rate data source by regulating tone and video with the broadcasting speed of stipulating; The broadcasting speed setting apparatus is set to variable rate data source and speed change reproducer to the broadcasting speed of regulation in response to the broadcasting speed of regulation.
The speed change reproducer comprises reproducer, tone correction device and video match circuit; Data set display reproduction and sound that reproducer is provided by decoding; The tone correction device is used to proofread and correct the tone of the sound that is reproduced; The video match circuit becomes predetermined frequency to the frequency match of the picture that is reproduced.
In certain embodiments, the variable rate data source is to belong to this type that comprises time series data memory and read-out controller, read-out controller wherein make the time series memory can with the regulation broadcasting speed to speed change reproducer output data groups.
In addition, the variable rate data source further also can comprise a buffer circuit.In this case, read-out controller makes time series memory batch (-type) ground output data groups according to the remaining data amount, and the speed of its output or the full speed of interlock circuit perhaps are higher than the speed of regulation, thus the data-storing of output in buffer circuit; Read-out controller also provides the data of storage to the speed change reproducer with the speed of regulation.
In one embodiment, variable-speed communication and playback system comprise a service unit and a plurality of customer equipment.Service unit comprises time series memory and time series data distributor.Each customer equipment all comprises a control data source and a speed change reproducer.
The speed change reproducer can be included in each customer equipment, perhaps comprises in the service unit.
Just can understand fully deep layer purpose of the present invention and advantage from retouching art below the preferred embodiments of the present invention shown in the drawings.Wherein:
Fig. 1 is the schematic diagram of the illustrative speed change playback system of expression, is used to illustrate a basic conception of the present invention;
Fig. 2 is the schematic diagram of the illustrative speed change playback system of expression, is used to illustrate another basic conception of the present invention;
Fig. 3 is the calcspar of expression by the structure of first illustrative embodiment of the variable-speed communication of first aspect present invention and playback system;
Fig. 4 is the calcspar of expression by the structure of second illustrative embodiment of the variable-speed communication of second aspect present invention and playback system;
Fig. 5 is the calcspar of improvement structure of second embodiment of presentation graphs 4;
Fig. 6 is the calcspar of expression by the structure of the 3rd illustrative embodiment of the variable-speed communication of first aspect present invention and playback system; And
Fig. 7 is the calcspar of expression by the structure of the 4th illustrative embodiment of variable-speed communication of the present invention and playback system.
In following illustrative embodiment, suppose: time serial message group comprises moving image information and follows the audio-frequency information of moving image information, and they have constituted one of numbering that variable-speed communication and playback system can provide.
Below, with reference to Fig. 1 basic conception of the present invention is described.Among Fig. 1, a kind of illustrative speed change playback system comprises a time series data source 60, a speed change reproducer 40 and a broadcasting speed setting apparatus 30; Data source 60 provides by numbering request official hour sequence data group with user-defined broadcasting speed in response to the user-defined broadcasting speed data of the numbering on the line 21 on please summation line 31; The time series data group that is provided by time series data source 60 is provided for reproducer 40, provides the audio frequency output of tone correction and the video output of frequency match (below, be simply referred to as " the time series data group of speed change reproduction ") with user-defined broadcasting speed; Setting apparatus 30 is used for receiving user-defined broadcasting speed data from line 31, and sets the broadcasting speed data to speed change reproducer 40 and time series data source 60.
Time series data source 60 comprises a time series data memory 10 and read-out controller 20; Memory 10 is used to store the time series data group of the available numbering of speed change playback system; Controller 20 request of response numbering and user-defined broadcasting speeds can be exported by numbering request official hour sequence data group time series data memory 10 with user-defined broadcasting speed.Speed change reproducer 40 comprises reproducer 42, tone correction device 44 and video (FRE) match circuit (CKT); Reproducer 42 is used for the time series data group is reproduced to the voice data of reproduction and the video data of reproduction; Adjuster 44 is used to proofread and correct the tone of voice data of reproduction so that the voice data through tone correction to be provided; Match circuit 46 is used for the video frequencies of the video data that reappears is matched to predetermined frequency so that the video output through frequency match to be provided.Because user-defined broadcasting speed is at reproducer 42, all settings of audio calibration device 44 and video match circuit (CKT) 46 so each in the middle of them is all being operated with user-defined broadcasting speed.
In the operation, if the user is by means of the numbering of an expectation of scheduled operation request that is fixed to the controller (not shown) on the speed change playback system and set the broadcasting speed of an expectation, so, this numbering request will be input to read-out controller 20, and broadcasting speed setting apparatus 30 will be set to read-out controller 20 to user-defined broadcasting speed, reproducer 42, tone correction device 44 and video (FRE) match circuit (CKT) 46.As previously discussed, time series data source 60 is asked official hour sequence data group in response to request of numbering and broadcasting speed input to provide by numbering corresponding to a broadcasting speed of broadcasting speed input or user-defined broadcasting speed, to reproducer 42.Reproducer 42 with user-defined broadcasting speed respectively to tone correction device 44 and video match circuit 46 output audio signals and vision signal.
On the other hand, the video frequencies matched line of the vision signal that reproducer 42 provided according to user-defined broadcasting speed data of video match circuit 46 with datum speed to the video frequencies of video output terminals 47 outputs under the situation of the vision signal of frequency match.Specifically, if user-defined broadcasting speed faster than datum speed, then will reduce the video frequencies of vision signal by means of the minimizing of for example frame.Otherwise, improve the video frequencies of vision signal by means of the interpolation method of for example frame.
So this speed change playback system reappears the time series data that is stored in the time series data memory 10 with user-defined speed speed change.
Below with reference to Fig. 2 another basic conception of the present invention is described.Fig. 2 is identical with Fig. 1, just the time series data source 60 that replaces among 3 Fig. 1 with the time series data source among Fig. 2 70.Therefore, only introduce element 70.Time series data source 70 comprises time series data memory 10, read-out controller 22 and first in first out (FIFO) buffer circuit 25; An input of controller 22 is connected to numbering request line 21, is used for the read operation of control time sequence data memory 10; Buffer circuit 25 is used to receive the time series data of reading from time series data memory 10, and be used for the time series data of temporary transient storage more than predetermined quantity, so that provide the time series data of storage to speed change reproducer 40, and to the remaining data volume of read-out controller 22 outputs with the broadcasting speed that is used to stipulate.
If the remaining data amount of buffer circuits 25 is less than predetermined data volume, then read-out controller 22 sends an instruction to time series data memory 10: realize the output by numbering request official hour sequence data group; Otherwise, then send instruction: the output of dwell time sequence data group.If send the instruction that realizes output, then 10 of time series data memories are realized output with the reading speed corresponding to the broadcasting speed also faster than the highest broadcasting speed.Also have, if send the instruction that realizes output once more after the output of dwell time sequence data group, so, the data of the back of the last data of having exported from the time series data group begin to recover output.
The required buffering memory capacity of buffer circuit 25 is by starting the time of delay of output control from buffer circuit 25 output remaining data amounts to read-out controllers 22 and difference during at minimum or maximum broadcasting speed, between the output speed of the output speed of time series data memory 10 and buffering circuit 25 is determined.Be noted that in starting reconstruction processes buffer circuit 25 just starts the output of the time series data group of storage really surpassed predetermined data volume with the data volume in the buffer circuit 25 after.
Fig. 3 is a calcspar, and expression is by the circuit structure of first illustrative embodiment of the variable-speed communication of a first aspect of the present invention and playback system.In Fig. 3, think that from geometrical point this variable-speed communication and playback system 100 comprise a service unit 120 and a customer equipment 140.From function view, can also think that system 100 comprises a time series data source 60a, speed change (VS) reproducer 40 (identical with the reproducer among Fig. 1) and broadcasting speed setting apparatus 30 (identical with the setting apparatus among Fig. 1); Data source 60a is used for providing by numbering request official hour sequence data group with user-defined broadcasting speed in response to the user-defined broadcasting speed data on numbering request on the line 21 and the line 31; Reproducer 40 is used for speed change and reappears the time series data group; Setting apparatus 30 be used for from line 31 receive user-defined broadcasting speed data and the broadcasting speed data setting to speed change reproducer 40 and time series data source 60.
In the 60a of time series data source, the read-out controller 20 of Fig. 1 is replaced by a read-out controller 20a and a control data communication system (transmitter and receiver) 50 and 52 (transmission line 51 is arranged therebetween).Also have, the line 12 of Fig. 1 is replaced by a time series data (TSD) communication system (transmitter and receiver) 54 and 56 (being provided with a transmission line 55 therebetween).
Therefore, the unique difference between the read-out controller 20 of read-out controller 20a and Fig. 1 is that controller 20a receives numbering request and broadcasting speed data through single incoming line 53 (rather than through two corresponding incoming lines 21 and 32).
In operation, if the user is by means of the numbering of an expectation of scheduled operation request of the controller (not shown) that is fixed to the speed change playback system and set the broadcasting speed of an expectation, so, this numbering request just is input to an input of control data (CD) transmitter 50, and broadcasting speed setting apparatus 30 just is set to CD transmitter 50 and VS (speed change) reproducer 40 to user-defined broadcasting speed.
Described as above system in conjunction with Fig. 1, time series data source 60a provides by numbering request official hour sequence data group to speed change (VS) reproducer 40 with a broadcasting speed corresponding to broadcasting speed input or user-defined broadcasting speed in response to numbering request and broadcasting speed input (perhaps, control data).VS reproducer 40 speed changes are reappeared the time series data group, so that export through the audio signal of tone correction and the vision signal of frequency match to line 45 and 47 respectively.
Fig. 4 is a calcspar, and expression is by the circuit structure of second illustrative embodiment of the variable-speed communication of a second aspect of the present invention and playback system 102.In Fig. 4, see from geometrical point and to think that this variable-speed communication and playback system 102 comprise a service unit 130 and a customer equipment 150.See and to comprise time series data source 70a, speed change (VS) reproducer 40 (identical) and broadcasting speed setting apparatus 30 (identical) for this system 102 from function view with the setting apparatus of Fig. 1 and 2 with the reproducer of Fig. 1 and 2; Data source 70a provides by numbering request official hour sequence data group with user-defined broadcasting speed in response to the user-defined broadcasting speed data on numbering request on the line 21 and the line 31; Reproducer 40 is used for speed change and reappears the time series data group; Setting apparatus 30 is used to receive the user-defined broadcasting speed data on the line 31, and the broadcasting speed data setting is arrived speed change reproducer 40 and time series data source 70a.
In the 70a of time series data source, the read-out controller 22 of Fig. 2 is by a read-out controller 22 and a control data (CD) communication system (transmitter and receiver) 50a and 52a (being provided with a transmission line 51 therebetween) replacement.Also have, the transmission line 14 of Fig. 2 is replaced by a time series data (TSD) communication system (transmitter and receiver) 54 and 56 (being provided with a transmission line 55 therebetween).
Therefore, unique difference of the read-out controller 22 of this read-out controller 22a and Fig. 2 is, controller 22a is not through two incoming lines 21 and 27 but receive numbering request and broadcasting speed data through single incoming line 53.
In operation, if the user is by means of the numbering of an expectation of scheduled operation request that is fixed to a controller (not shown) on variable-speed communication and the playback system and set the broadcasting speed of an expectation, so, this numbering request will be input to the input of control data (CD) transmitter 50a, and broadcasting speed setting apparatus 30 just is set to CD transmitter 50a and VS (speed change) reproducer 40 to this user-defined broadcasting speed.
As the description of above system in conjunction with Fig. 2, time series data source 70a is in response to numbering request and broadcasting speed input (perhaps control data), ask official hour sequence data group to provide by this numbering corresponding to a broadcasting speed of this broadcasting speed input or the whole speed of user-defined broadcast, to speed change (VS) reproducer 40.VS reproducer 40 speed changes are reappeared this time series data group, so as respectively to line 45 and 47 outputs through the audio signal of tone correction with through the vision signal of frequency match.
In the 70a of time series data source, read-out controller 22a receives control data through CD transmitter 50a, transmission line 51 and CD receiver 52a, and the output of TSD memory 10 is input to buffer circuit 25 through TSD transmitter 54, transmission line 55 and TSD receiver 56.Except that these, the operation in the operation of time series data source 70a and the time series data source 70 of Fig. 2 is identical.
Therefore, buffer circuit 25 required buffering memory capacitys are determined by two factors among Fig. 4, the one, begin total control lag time up to the control of read-out controller 22a begin through CD communication system 50a and 52a to read-out controller 22a output remaining data amount data from buffering circuit 25, the 2nd, the difference when minimum or maximum broadcasting speed, between the output speed of the output speed of time series data memory 10 and buffering circuit 25.Between should annotating once more, in the process of start reappearing, confirmed after data volume in the buffer circuit 25 has surpassed predetermined data volume the output of the time series data group that just startup has been stored at buffer circuit 25.
Fig. 5 is a calcspar, and expression is to a kind of improvement structure of second embodiment of Fig. 4.Except there being one to read control data (RCD) generator 23 is inserted between buffer circuit 25 and control data (CD) the transmitter 50b, the remainder of Fig. 5 is identical with Fig. 4.Only introduce the operation of time series data source 70b below.
In Fig. 5, if reading control data (RCD) generator 23 determines according to the remaining data amount data from buffer circuit 25: the remaining data amount of buffer circuit 25 is less than predetermined data volume, generator 23 will send instruction to CD transmitter 50b so, realize the output by numbering request official hour sequence data group.Otherwise RCD generator 23 sends instruction, the output of dwell time sequence data group.If send the instruction that realizes output, then read-out controller 22b control time sequence data memory 10 is realized output, and its reading speed is corresponding to a broadcasting speed also faster than the broadcasting speed of maximum.In addition, if send the instruction that realizes output once more after stopping the output time series data set, then the data of the data back of exporting at the latest from the time series data group begin to recover output.
Other description that provides in conjunction with Fig. 2 also is effective in the present embodiment.
Fig. 6 is a calcspar, and expression is by the circuit structure of the 3rd illustrative embodiment of the variable-speed communication of a first aspect of the present invention and playback system.This variable-speed communication and playback system 200 belong in service unit 220 realizes that speed change reappears this type.In Fig. 6, the control data source 80 among Fig. 1 is by CD source 80 equivalent parts, and promptly line 21 and 23, broadcasting speed setting apparatus 30, CD transmitter 50, CD receiver 52c replace.This system 200 comprises time series data memory 10, read-out controller 20, speed change reproducer 40 and CD source 80 equivalent parts, and they have formed system shown in Figure 1.Service unit 220 further comprises a TSD encoder 90 and a TSD transmitter 54; Encoder 90 has two inputs, is connected to the audio output and the video output terminals of speed change reproducer 40; Transmitter 54 has an input, links the output of TSD encoder 90.The customer equipment 240 of system 200 comprises a TSD receiver 56 and a reproducer 42; The input of receiver 56 is connected to the output of TSD transmitter 54, and the input of reproducer 42 is linked the output of TSD receiver 54, so that final audio signal and final vision signal to be provided.
In operation, if the user is by means of the numbering of an expectation of scheduled operation request that is fixed to a controller (not shown) on the speed change playback system and the broadcasting speed of setting expectation, so, numbering request and broadcasting speed (that is control data) will directly or respectively be input to CD transmitter 50 through broadcasting speed setting apparatus 30.CD transmitter 50 sends control data to CD receiver 52C; CD receiver 52C only provides numbering request to read-out controller 20, but also will the two all provides the broadcasting speed data to read-out controller 20 and speed change reproducer 40.Read-out controller 20 is in response to control data control time sequence data memory 10, export the time series data group of being asked with user-defined broadcasting speed to speed change reproducer 40, reproducer 40 speed changes are reappeared the time series data group of being asked, reproducer 40 speed changes are reappeared the time series data group asked, to encoder 90 outputs through the audio signal of tone correction with through the vision signal of frequency match.90 pairs of signals of encoder are encoded to offer TSD transmitter 54, and transmitter 54 sends encoded signals to the TSD receiver.TSD receiver 56 offers reproducer 42 to encoded signals, reproducer 42 final these encoded signals of decoding.
In conjunction with other description that Fig. 1 provides present embodiment is also set up.For the details of operation of speed change reproducer 40, see the description of relevant Fig. 1.
Fig. 7 is a calcspar, and the circuit structure of the 4th illustrative embodiment of the variable-speed communication of another aspect of the present invention and playback system is pressed in expression.This embodiment is many customer types of second illustrative embodiment of Fig. 4.In Fig. 7, variable-speed communication and playback system 300 comprise a service unit 700 and a plurality of customer equipment 150, and this customer equipment 150 is equal to the customer equipment 150 of Fig. 4.Service unit 700 comprises above-mentioned TSD memory 10, a plurality of CD receiver 52a, read-out controller 720 and demultplexer (DEMUX) 740; Each receiver 52a is connected on the different customer equipments 150, is used to provide control data; Read-out controller 720 can organize the TSD memory with the TSD that the time-division multiplex mode is exported by numbering request regulation in response to control data; Demultplexer 740 is given corresponding TSD transmitter 54 the TSD set of dispense of output according to the control of read-out controller 720.
In foregoing description, suppose that the time series data group comprises mobile picture and a kind of sound in conjunction with Fig. 3-7.Yet the time series data group can be a plurality of moving image groups and the combination of following the multiple sound of moving image group, the caption data that perhaps includes only moving image, sound and/or follow.
Customer equipment 140,150,150a or 240 can reappear the time series data whole or part that come from service unit 120,130,130a or 220 respectively according to user's selection speed change.For example, service unit can transmit one group of time serial message of the multiple captions that are used for moving image, sound accompaniment and different foreign languages, the expectation language when making the user can select a kind of captions as broadcast.
Under the condition that does not depart from design of the present invention and scope, can also constitute many different embodiment of the present invention.Should be appreciated that, the invention is not restricted to retouch in this manual the specific embodiments of art, scope of the present invention is determined by appended claims.
Claims (12)
1. variable-speed communication and playback system (100,102 or 102a), be divided into a service unit (120,130 or 130a) and customer equipment (140 away from service unit, 150 or 150a), this customer equipment reappears with user-defined broadcasting speed and is stored in time series data group in the service unit and that asked by the numbering request, and this system comprises:
1) time series data generator (60a, 70a or 70b), broadcasting speed that response is used to stipulate and numbering request are so that provide said requested time series data group with said broadcasting speed, and said time series data generator comprises:
Said service unit;
Be located at the control data dispensing device (50,50a or 50b) in the described customer equipment, be used for said numbering request and said broadcasting speed are sent to said service unit; And
Time series data receiving system (56) is located in the described customer equipment, is used for receiving said time series data group from said service unit;
2) speed change reproducer (40) reappears through the audio signal of tone correction with through the vision signal of frequency match with said broadcasting speed at least according to said time series data group; With
3) be used for that said numbering request is sent to said control data dispensing device and said broadcasting speed be sent at least the device (21,30 and 31) of said reception and reproducer.
2. system as claimed in claim 1 (100), wherein said conveyer also is sent to said control data dispensing device to said broadcasting speed, and wherein said service unit comprises:
The storing apparatus (10) that stores a plurality of time series data groups; And
Thereby can export the device (20a) of said requested time series data group with said broadcasting speed to control said storing apparatus in response to said numbering request and said broadcasting speed.
3. system as claimed in claim 1 (102), wherein said time series data generator (70a) further comprises:
Buffer unit (25), be used for receiving information, temporarily storing data that said time series data receiving system provides and the surplus that said data are provided to said control data dispensing device with said broadcasting speed, and be used for providing said data with said broadcasting speed to said speed change reproducer (40), described conveyer also is sent to described buffer unit with described broadcasting speed; And wherein said service unit comprises:
Be used to store the device (10) of a plurality of time series data groups; With
Control device (22a), said surplus in response to said numbering request and said data, and, be used to control said storing apparatus so that export said requested time series data group at full speed to said time series data receiving system according to the said buffer result of determination whether the needs data are supplied with.
4. system as claimed in claim 1 (102a), wherein said time series data generator further comprises:
Buffer unit (25), be used for receiving information, temporarily storing data that said time series data receiving system provides and to the information of the surplus of the relevant said data of said control data dispensing device output with said broadcasting speed, and be used for providing said data with said broadcasting speed to said speed change reproducer (40), described conveyer also is sent to described buffer unit with described broadcasting speed;
Receive the said information of relevant said surplus and provide relevant said buffer unit whether to need the device (23) of the judgement of data supply to said control data dispensing device; And wherein said service unit comprises:
Be used to store the device (10) of a plurality of time series data groups; With
Control device (22b) in response to said numbering request and said judgement, is used to control said storing apparatus (10) so that export said requested time series data group at full speed to said time series data receiving system.
5. variable-speed communication and playback system (200), reappear with user-defined broadcasting speed a plurality of storages of being asked by user's request one of time series data group calibrated audio signal and through the vision signal of frequency match, this system comprises:
Service unit (220);
Customer equipment (240) away from service unit; With
Communicator (50,50c, 54 and 56) is used to make described service unit and described customer equipment mutual communication, and described service unit comprises:
The storing apparatus (10) that stores a plurality of time series data groups;
Control device (20) in response to by described request and the described broadcasting speed of communicator from described customer equipment transmission, is used to control described storing apparatus so that the time series data group of described request is provided with described broadcasting speed;
Be used for said broadcasting speed from the time series data group of the described request that provides reappear described through tone correction audio signal and the device (40) of described vision signal through frequency match;
To said through tone correction audio signal and through the device (90) of the encoding video signal of frequency match;
Described customer equipment comprises:
Be used for transmitting to said service unit the device (21,31 and 30) of said request and said broadcasting speed by described communicator; With
Decode said coding through the audio signal of tone correction and described coding through the vision signal of frequency match in case provide described through frequency match vision signal and the device (42) of described audio signal through tone correction.
6. variable-speed communication and playback system (300), comprise a service unit (700) and a plurality of customer equipment (150) away from service unit, each customer equipment all reappears with the user-defined broadcasting speed of customer equipment and is stored in the service unit and time series data group that asked by user's numbering request, and each said customer equipment (150) all comprises:
Be used to receive said broadcasting speed, store the data of said requested time series data group and the data of said requested time series data group are provided and are used to export the buffer unit (25) of surplus of the said data of said requested time series data group temporarily with said broadcasting speed;
Control data dispensing device (50a) is used for described numbering request and described surplus are sent to service unit;
Time series data receiving system (56) is used for from described service unit time of reception sequence data; With
Be used for receiving the said data of said requested time series data group and reappearing at least through the audio signal of tone correction with through the speed change reproducer (40) of the vision signal of frequency match with said broadcasting speed from said buffer unit, described service unit (700) comprising:
Control data receiving system (52a) offers the said surplus that each customer equipment is used for receiving from said customer equipment said numbering request and said data;
Time series data dispensing device (54) links to each other with the corresponding time series data receiving system (56) of described customer equipment, be used for described data are sent to corresponding time series data receiving system (56), and said service unit comprises:
The device (10) that stores a plurality of described time series data groups;
Control device (720), in response to by said surplus and the said numbering request of said control data dispensing device (50a and 52a) from the said data of said each transmission of said a plurality of customer equipments (150), according to the judgement whether the needs data are supplied with of said buffer unit, be used to control said storing apparatus, so that export the said requested time series data group that is used for said each customer equipment at full speed with the multichannel practical way; And
Device (740), in response to control data from the said control device (720) of controlling said storing apparatus (10), be used to the said requested time series data group of said a plurality of customer equipment demultiplexing, and be used for each said requested time series data group of said a plurality of customer equipments to a said time series data dispensing device (54) output relevant with the customer equipment (150) of the said numbering request that transmits this time series data group.
7. as any one described system in the claim 1,5 and 6, each data set in wherein said a plurality of time series data groups all comprises a series of moving images and sound accompaniment data.
8. system as claimed in claim 7, wherein said a plurality of time series data groups are Karaoke (rejecting sound) chant musics.
9. system as claimed in claim 7, each of wherein said a plurality of time series data groups further comprises a plurality of caption datas.
10. system as claimed in claim 9, wherein said a plurality of time series data groups are chant musics of Karaoke (rejecting sound).
11. system as claimed in claim 9, wherein said vision signal is with one of said a plurality of caption datas.
12. as arbitrary described system in the claim 1,5 and 6, wherein said speed change reproducer (40) comprising:
Reproducer (42) is used for reappearing an audio signal and a vision signal according to described time series data group with described broadcasting speed;
Be used for proofreading and correct the tone of described audio signal with described broadcasting speed so that export the device (44) of described audio signal through tone correction according to described time series data group; With
Be used for according to described time series data group the video of described vision signal and normal playback speed are complementary in case export described through tone correction audio signal and the device (46) of described vision signal through frequency match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96122087A CN1110152C (en) | 1996-10-30 | 1996-10-30 | Variable-speed communication and reproduction system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96122087A CN1110152C (en) | 1996-10-30 | 1996-10-30 | Variable-speed communication and reproduction system |
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| CN1181665A CN1181665A (en) | 1998-05-13 |
| CN1110152C true CN1110152C (en) | 2003-05-28 |
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| CN96122087A Expired - Fee Related CN1110152C (en) | 1996-10-30 | 1996-10-30 | Variable-speed communication and reproduction system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100379224C (en) * | 2003-11-06 | 2008-04-02 | 明基电通股份有限公司 | Data controlling method for medium player system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101860565A (en) | 2010-05-20 | 2010-10-13 | 中兴通讯股份有限公司 | Method, device and terminal for editing and playing music according to data downloading speed |
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1996
- 1996-10-30 CN CN96122087A patent/CN1110152C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5262964A (en) * | 1991-04-10 | 1993-11-16 | International Business Machines Corporation | Method and apparatus for variable playback speed of multimedia data interchange within a data processing system |
| CN1133531A (en) * | 1994-11-14 | 1996-10-16 | 索尼公司 | Device and method for digital data recording/rendition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100379224C (en) * | 2003-11-06 | 2008-04-02 | 明基电通股份有限公司 | Data controlling method for medium player system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1181665A (en) | 1998-05-13 |
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