CN1117477C - Digital video signal requesting method - Google Patents
Digital video signal requesting method Download PDFInfo
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- CN1117477C CN1117477C CN 98124819 CN98124819A CN1117477C CN 1117477 C CN1117477 C CN 1117477C CN 98124819 CN98124819 CN 98124819 CN 98124819 A CN98124819 A CN 98124819A CN 1117477 C CN1117477 C CN 1117477C
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Abstract
The present invention relates to a method for requesting digital video signals, which mainly comprises the following steps that a broadcast digital video signal in a requesting server is stored in a computer storage device at a user end; the computer storage device buffers the received digital video signal; a computer simultaneously receives digital video signals in two channels; firstly, the computer broadcasts the digital video signal in the second use channel and then broadcasts the digital video signal stored in the storage device in the first use channel. When programs are requested by using the method of the present invention, the present invention has the advantages of few occupied channels, low requesting cost, high efficiency, no limitation by the number of requesting people especially for hot line programs, etc.
Description
The present invention relates to a kind of method of digital video signal requesting, belong to digital communication
Technical field.
To the program request of vision signal, generally adopt the method for real-time video program request at present, this method occupied channel is many, and several people's program request just need take several channels, the cost height, and the ordinary people can't accept its price.
It is few and can realize the method for the digital video signal requesting that many people program request is watched simultaneously to the purpose of this invention is to provide a kind of occupied channel.
For achieving the above object, the present invention adopts following method: consult idle carrier wave, determine plural at least use channel in this free time carrier wave; User's request program; Digital video signal enters in the user end computer memory device by above-mentioned use channel and cushions; The user end computer memory device is accepted two digital video signals that use in the channel simultaneously, wherein use channel to broadcast request program earlier and begin the interior at interval digital video signal of setting-up time by one, whole digital video signals after the back is broadcasted at one time and to be used above-mentioned setting-up time that channel deposits computer memory device at interval by another, promptly use channel to utilize the computer memory device limit to deposit in by another, broadcast on the limit, until finishing whole digital video signals, between the digital video signal that another use channel deposits in and the digital video signal of broadcast there is a time difference.Adopt the inventive method request program, the user can watch the part that has started broadcasting earlier, does not have the compartment of terrain then and watches the digital video signal program of storing in the memory device, reaches the effect of watching whole complete programs.
Now in conjunction with the accompanying drawings the present invention is described further:
Figure one is a digital video signal requesting FB(flow block) when delimiting two use channels in idle carrier wave;
Digital video signal requesting effect schematic diagram when figure two is two use channels;
Digital video signal requesting effect schematic diagram when figure three is three use channels;
Digital video signal requesting effect schematic diagram when figure four is four use channels;
Figure five connects block diagram for system of the present invention.
Shown in figure one, request program can be adopted following steps when using channels as two of delimitations in idle carrier wave:
---consult idle carrier wave, delimit two and use channel in idle carrier wave, setting a period of time is used for user's request program at interval;
---accept first user, notify the subscribers carrier frequency and use first channel, notify the user broadcast time, first channel broadcasts on time;
---accept second crowd of user, notice subscribers carrier frequency and use first and second channel is notified the user second channel broadcast time, and second uses channel to broadcast on time; This computer-chronograph is accepted two digital video signals in the channel simultaneously, begin the digital video signal of first setting-up time at interval but use channel to broadcast request program, then broadcast by computer memory device then and begin first setting-up time at program and utilize after at interval first to use channel to be stored in whole digital video signals in the memory device by second;
---accept the 3rd crowd of user, notice subscribers carrier frequency and use first and second channel notifies user second to use channel broadcast time, and second uses channel to broadcast on time; This computer-chronograph is accepted two digital video signals in the channel simultaneously, second channel treats to finish promptly by first setting-up time at interval, and at first second setting-up time broadcast the digital video signal that first and second batch user has broadcasted at interval, then broadcasts second setting-up time then and utilize after at interval first to use channel to be stored in whole digital video signals in the memory device;
---accept the 4th crowd of user, notice subscribers carrier frequency and use first and second channel, and notify user second to use channel broadcast time, second uses channel to broadcast on time; This computer-chronograph is accepted two digital video signals in the channel simultaneously, second channel treats to finish promptly by second setting-up time at interval, and at first the 3rd setting-up time broadcast the digital video signal that first, second and third batch user has broadcasted at interval, then broadcasts the 3rd setting-up time then and utilize after at interval first to use channel to be stored in whole digital video signals in the memory device; Analogize in proper order, until having accepted the last batch of user;
---whether inquiry first uses channel to finish, if do not finish, can continue to watch, if finish, can consult the program request configuration, dispose according to VOD system, if any several channel, program-requesting time length etc. used, programmed is set broadcast time at interval in advance, continues to accept user's program request of next circulation.
Shown in the figure two, in idle carrier wave, delimiting two effect of program request can use channel time schematic diagrames.Setting-up time interval 9 is used for user's request program; Utilize the memory device in the computer, during buffering has started broadcasting first used channel 1 digital video signal, utilize second to use channel 2 to broadcast first part 10 of using channel to start broadcasting simultaneously, computer is accepted 1 and 2 two digital video signal that uses in the channel simultaneously, but broadcast second signal that uses in the channel 2 earlier, broadcast first then and use the signal in memory device in the channel 1, if with program-requesting time be 90 minutes be example, preestablish the program request program with per 5 minutes be a broadcast time at interval, then second use channel 2 in the time of the 5th to ten minute, to broadcast first five minutes programs of beginning that use channel to broadcast earlier, that is to say, the second crowd of user can watch five minutes digital video signal content of request program beginning by second channel in the time of five to ten minutes, then watch then by the computer memory device program beginning to utilize after five minutes first to use channel to be stored in whole digital video signal contents in the memory device; Second used channel 2 to broadcast first ten minutes programs of beginning that use channel to broadcast earlier in the time of ten to 20 minutes, that is to say, the 3rd crowd of user can watch ten minutes digital video signal content of request program beginning by second channel in the time of ten to 20 minutes, then watch then by the computer memory device program beginning to utilize after ten minutes first to use channel to be stored in whole digital video signal contents in the memory device; Second used channel 2 to broadcast first 20 minutes programs of beginning that use channel to broadcast earlier in the time of 20 to 40 minutes, i.e. the 4th batch of digital video signal content that the user can watch request program to start 20 minutes by second channel in the time of the 20 to the 40 minute then watches by the computer memory device program beginning to utilize after 20 minutes first to use channel to be stored in whole digital video signal contents in the memory device then; Second used channel 2 to broadcast first 40 minutes programs of beginning that use channel to broadcast earlier in the time of 40 to 80 minutes ....Shown in figure three, at three program request design sketchs that use under the channels, the first half that request program begins can be realized can watching in five to ten minutes after the program request.Shown in figure four, be the program request effect schematic diagram that uses under the channel at four, as still with program-requesting time be 90 minutes be example, preestablish the program request program with per five minutes be a broadcast time at interval, then the 4th use channel can begin cephalocaudal broadcast after 40 minutes, promptly can realize the circulation of request program.The user at any time only need accept two signals in the channel simultaneously, just can realize watching within five to ten minutes after the program request program of program request.If channel is more, also can realize watching after the program request any time at interval, and no matter how many people of program request is.Shown in figure five, method used herein is utilized user end computer 7 and memory device 8 thereof to connect vod server 5 by 10M or 100M Ethernet or cable of cable TV or wireless or satellite etc. and is realized.
Another embodiment of the present invention is, when program recording, its input computer memory device can be utilized the pooling feature of computer memory device, in program recording whenever, but watch while recording.
Use the inventive method request program, it is few to have an occupied channel, the program request expense is low, The efficient height especially for the hot line program, is not subjected to the advantages such as program request number restriction.
Claims (3)
1. the method for a digital video signal requesting, it is characterized in that adopting the following step: (1) consults idle carrier wave, determines plural at least use channel in this free time carrier wave; (2) after user's request program, digital video signal enters in the user end computer memory device by above-mentioned use channel and cushions; (3) the user end computer memory device is accepted two digital video signals that use in the channel simultaneously, wherein by a digital video signal that uses in channel broadcast request program earlier first setting-up time interval, the back is broadcasted at one time by another and is used whole digital video signals after channel deposits the above-mentioned special time of computer memory device in, and a back use channel limit deposits in, broadcast on the limit, until finishing whole digital video signals, between the digital video signal that a back use channel deposits in and the digital video signal of broadcast there is a time difference.
2, according to the method for a kind of digital video signal requesting described in the claim 1, it is characterized in that: (1) consults idle carrier wave, delimit two and use channels in idle carrier wave, sets broadcast time to be used for user's request program at interval; (2) accept first user, notify the subscribers carrier frequency and use first channel, notify the user broadcast time, first channel broadcasts on time; (3) accept second crowd of user, notice subscribers carrier frequency and use first and second channel is notified the user second channel broadcast time, and second uses channel to broadcast on time; This computer-chronograph is accepted two digital video signals in the channel simultaneously, begin the digital video signal of first setting-up time at interval but use channel to broadcast request program, then broadcast by computer memory device then and begin first setting-up time at program and utilize after at interval first to use channel to be stored in whole digital video signals in the memory device by second; (3) accept the 3rd crowd of user, notice subscribers carrier frequency and use first and second channel notifies user second to use channel broadcast time, and second uses channel to broadcast on time; This computer-chronograph is accepted two digital video signals in the channel simultaneously, second channel treats to finish promptly by first setting-up time at interval, and at first second setting-up time broadcast the digital video signal that first and second batch user has broadcasted at interval, then broadcasts second setting-up time then and utilize after at interval first to use channel to be stored in whole digital video signals in the memory device; (4) accept the 4th crowd of user, notice subscribers carrier frequency and use first and second channel, and notify user second to use channel broadcast time, second uses channel to broadcast on time; This computer-chronograph is accepted two digital video signals in the channel simultaneously, second channel treats to finish promptly by second setting-up time at interval, and at first the 3rd setting-up time broadcast the digital video signal that first, second and third batch user has broadcasted at interval, then broadcasts the 3rd setting-up time then and utilize after at interval first to use channel to be stored in whole digital video signals in the memory device; Analogize in proper order, until having accepted the last batch of user; (5) whether inquiry first uses channel to finish, if do not finish, can continue to watch, if finish, can consult the program request configuration, dispose according to VOD system, if any several channel, program-requesting time length etc. used, programmed is set the broadcast time section in advance, continues to accept user's program request of next circulation.
3, the method for a kind of digital video signal requesting according to claim 1 and 2 is characterized in that: also can delimit the use channel more than three or three in idle carrier wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98124819 CN1117477C (en) | 1998-11-13 | 1998-11-13 | Digital video signal requesting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98124819 CN1117477C (en) | 1998-11-13 | 1998-11-13 | Digital video signal requesting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1254236A CN1254236A (en) | 2000-05-24 |
| CN1117477C true CN1117477C (en) | 2003-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98124819 Expired - Fee Related CN1117477C (en) | 1998-11-13 | 1998-11-13 | Digital video signal requesting method |
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| Country | Link |
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| CN (1) | CN1117477C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2466881A3 (en) * | 2001-02-21 | 2012-08-15 | United Video Properties, Inc. | Systems and methods for interactive program guides with personal video recording features |
| US20030138237A1 (en) * | 2002-01-23 | 2003-07-24 | Stewart John Sidney | Multimedia on demand for use in a near on demand environment |
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1998
- 1998-11-13 CN CN 98124819 patent/CN1117477C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1254236A (en) | 2000-05-24 |
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Owner name: BEIJING CITY YITAIZHIHE COMPUTER NETWORK TECHNOLO Free format text: FORMER OWNER: SAIDEKANG COMMUNICATION TECHNOLOGY CO., LTD., BEIJING CITY Effective date: 20010816 |
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Owner name: WANG XIAOQIN Free format text: FORMER OWNER: BEIJING CITY YITAIZHIHE COMPUTER NETWORK TECHNOLOGY CO.LTD. Effective date: 20031223 |
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Effective date of registration: 20031223 Address after: 100039, No. 2, Fuxing Road, Beijing, No. 12, No. 83, west gate, Haidian District Patentee after: Wang Xiaoqin Address before: 100039, No. 2, Fuxing Road, Beijing, No. 12, No. 83, west gate, Haidian District Patentee before: Yitai Zhihe Computer Network Technology Co., Ltd. Beijing City |
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