CN102223578B - Cascade personal video recorder (PVR) set top box and method for recording video in process of watching video by using cascade PVR set top box - Google Patents
Cascade personal video recorder (PVR) set top box and method for recording video in process of watching video by using cascade PVR set top box Download PDFInfo
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- CN102223578B CN102223578B CN201110151308.2A CN201110151308A CN102223578B CN 102223578 B CN102223578 B CN 102223578B CN 201110151308 A CN201110151308 A CN 201110151308A CN 102223578 B CN102223578 B CN 102223578B
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- top box
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Abstract
The invention relates to a cascade personal video recorder (PVR) set top box and a method for recording a video in the process of watching the video by using the cascade PVR set top box. The cascade PVR set top box comprises a first PVR set top box and a second PVR set top box, wherein a control signal input interface and a control signal output interface are formed on each set top box; a transmission stream signal input interface of the first PVR set top box is connected with a signal source; a video signal output interface is connected with a television; a transmission stream signal input interface of the second PVR set top box is connected with the transmission stream signal input interface of the first PVR set top box; the video signal output interface is connected with a video signal input interface of the first PVR set top box; and the control signal input interface is connected with the control signal output interface of the first PVR set top box. By the cascade PVR set top box and the method, a user can select a program from other channels flexibly when a program of a channel is recorded without any limitation.
Description
Technical field
The invention belongs to set-top box technique field, relate in particular to a kind of cascade PVR Set Top Box and by cascade PVR Set Top Box, realize the method for recording while seeing.
Background technology
Development along with seagate, PVR based on hard disk (personal video recoder, personal video record) has become novel consumer product, starts to replace magnetic tape type video tape recorder, PVR technology and top box of digital machine are combined, just become PVR Set Top Box.
Prior art as shown in Figure 1, PVR Set Top Box comprises: video signal input interface, video signal output interface, transmission stream signal input interface, transmission stream signal output interface, master chip and record module, video signal output interface is connected with TV, and transmission stream signal input interface is connected with signal source.When user need to see program, master chip carries out encoding and decoding to the signal receiving from transmission stream signal input interface, then the program after encoding and decoding is sent to TV by video signal output interface, for user, watches; When user need to record program, master chip carries out encoding and decoding to the signal receiving from transmission stream signal input interface, then by the program sending after encoding and decoding to recording module, record module to recording program and be kept on hardware device.
If user, in a program of record, also wants to see other programs simultaneously, the PVR Set Top Box of prior art just can only offer the limited program of user and select.Because the master chip of PVR Set Top Box once can only carry out encoding and decoding to all programs of a frequency, after encoding and decoding, master chip need to be sent into one of them program to record module according to user, other programs under this frequency is offered to user and select to watch.For example, the program frequencies that Set Top Box receives is probably at 200MHz-858MHz, frequency 1 is 300MHz left and right, and frequency 2 is 500MHz left and right, and frequency 3 is 600MHz left and right, frequency 1,2,3 each frequency probably comprise 10 programs, when user selects to record the program of frequency 1, master chip can only carry out encoding and decoding to all programs of frequency 1, after encoding and decoding, master chip is sent into one of them program to record module, other 9 programs under this frequency is offered to user and select to watch.Master chip is occupied, can not carry out encoding and decoding to the program of other frequencies, so user can only see a few program.
Summary of the invention
Technical problem to be solved by this invention is that user, when using PVR Set Top Box record program, can see program simultaneously, for user, selects the program number of seeing can not be affected because of record program.
For solving the problems of the technologies described above, the present invention proposes a kind of cascade PVR Set Top Box, comprise a PVR Set Top Box and the 2nd PVR Set Top Box, every Set Top Box is all provided with control signal input interface and control signal output interface;
The transmission stream signal input interface of the one PVR Set Top Box is connected with signal source, and video signal output interface is connected with TV;
The transmission stream signal input interface of the 2nd PVR Set Top Box is connected with the transmission stream signal output interface of described the first Set Top Box; Video signal output interface is connected with the video signal input interface of a described PVR Set Top Box; Control signal input interface is connected with the control signal output interface of a described PVR Set Top Box.
Separately, the invention allows for a kind of method that realizes the record while seeing by cascade PVR Set Top Box, comprising:
A, a PVR Set Top Box receive all programs, to outputing to TV after the program encoding and decoding of the first frequency in all programs, allow user watch;
B, a PVR Set Top Box are to transmitting control signal with the 2nd PVR Set Top Box of its cascade, the 2nd PVR Set Top Box is according to described control signal, by a PVR Set Top Box, receive all programs, to preserving after the program encoding and decoding of the second frequency in all programs, complete and record.
And, the invention allows for the another kind of method that realizes the record while seeing by cascade PVR Set Top Box, comprising:
A, a PVR Set Top Box receive all programs, to preserving after the program encoding and decoding of the second frequency in all programs, complete and record;
B, a PVR Set Top Box are to transmitting control signal with the 2nd PVR Set Top Box of its cascade, the 2nd PVR Set Top Box receives all programs by a PVR Set Top Box, after the program encoding and decoding of the first frequency in all programs, by a PVR Set Top Box, output to TV and allow user watch.
To sum up, adopt the present invention, user can select neatly the program of other frequencies to watch when recording the program of a frequency, can not be subject to any restriction.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of prior art PVR Set Top Box;
Fig. 2 is the structured flowchart of two-level concatenation PVR Set Top Box of the present invention;
Fig. 3 is the structured flowchart of three-stage cascade PVR Set Top Box of the present invention;
Fig. 4 is that the present invention realizes the flow chart of the embodiment of the method one of record while seeing by two-level concatenation PVR Set Top Box;
Fig. 5 is that the present invention realizes the flow chart of the embodiment of the method one of record while seeing by three-stage cascade PVR Set Top Box;
Fig. 6 is that the present invention realizes the flow chart of the embodiment of the method two of record while seeing by two-level concatenation PVR Set Top Box;
Fig. 7 is that the present invention realizes the flow chart of the embodiment of the method two of record while seeing by three-stage cascade PVR Set Top Box.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In order to make user can see program when recording program simultaneously, and can select the program number of seeing can not be affected because of record program for user, the present invention cascades up two PVR Set Top Box, Fig. 2 is the structured flowchart of two-level concatenation PVR Set Top Box of the present invention, comprise a PVR Set Top Box and the 2nd PVR Set Top Box, every Set Top Box is compared with the PVR Set Top Box in Fig. 1 and has all been increased a control signal input interface and a control signal output interface, described control signal input, output interface is: serial line interface, I2C interface, SPI interface, USB interface, network interface, blue tooth interface or infrared interface.The transmission stream signal input interface of the one PVR Set Top Box is connected with signal source, and video signal output interface is connected with TV; The transmission stream signal input interface of the 2nd PVR Set Top Box is connected with the transmission stream signal output interface of described the first Set Top Box; Video signal output interface is connected with the video signal input interface of a described PVR Set Top Box; Control signal input interface is connected with the control signal output interface of a described PVR Set Top Box.
If user is thinking to record a program in section at the same time, also PVR Set Top Box of cascade again, as shown in Figure 3, three-stage cascade PVR Set Top Box is on the basis of two-level concatenation PVR Set Top Box, to connect a 3rd PVR Set Top Box again, and the transmission stream signal input interface of the 3rd PVR Set Top Box is connected with the transmission stream signal output interface of described the second Set Top Box; Video signal output interface is connected with the video signal input interface of described the 2nd PVR Set Top Box; Control signal input interface is connected with the control signal output interface of described the 2nd PVR Set Top Box.
The method that the present invention is realized to the record while seeing by cascade PVR Set Top Box below in conjunction with specific embodiment is described in detail:
The one PVR Set Top Box is as main frame, and method for optimizing is to control the program that a PVR Set Top Box encoding and decoding user will see, controls the program that the 2nd PVR Set Top Box encoding and decoding user will record, as embodiment mono-.
Embodiment mono-
Fig. 4 is that the present invention realizes the flow chart of the embodiment of the method one of record while seeing by two-level concatenation PVR Set Top Box, and the method comprises:
A, a PVR Set Top Box receive all programs, to outputing to TV after the program encoding and decoding of the first frequency in all programs, allow user watch;
B, a PVR Set Top Box are to transmitting control signal with the 2nd PVR Set Top Box of its cascade, the 2nd PVR Set Top Box is according to described control signal, by a PVR Set Top Box, receive all programs, to preserving after the program encoding and decoding of the second frequency in all programs, complete and record.
The program of described the first frequency, for centered by first frequency, near any one program it in a plurality of programs corresponding to frequency; The program of described the second frequency, for centered by second frequency, near any one program it in a plurality of programs corresponding to frequency.For example, the program of described the first frequency, for centered by 300MHz, near any one program it in general 10 programs corresponding to frequency; The program of described the second frequency, for centered by 500MHz, near any one program it in general 10 programs corresponding to frequency.
Further, B specifically comprises:
The one PVR Set Top Box sends record TV program control signal by control signal output interface to the 2nd PVR Set Top Box with its cascade, and the ring of opening a PVR Set Top Box transmission stream signal input, output interface is worn function;
The 2nd PVR Set Top Box is according to described record TV program control signal, and the transmission stream signal output interface by a PVR Set Top Box receives all programs, to preserving after the program encoding and decoding of the second frequency in all programs, completes and records.
If user is thinking to record a program in section at the same time, also PVR Set Top Box of cascade again, Fig. 5 is that the present invention realizes the flow chart of the embodiment of the method one of recording while seeing by three-stage cascade PVR Set Top Box, the method comprises:
A, a PVR Set Top Box receive all programs, to outputing to TV after the program encoding and decoding of the first frequency in all programs, allow user watch;
B, a PVR Set Top Box send record TV program control signal by control signal output interface to the 2nd PVR Set Top Box with its cascade, and the ring of opening a PVR Set Top Box transmission stream signal input, output interface is worn function;
The 2nd PVR Set Top Box is according to described record TV program control signal, and the transmission stream signal output interface by a PVR Set Top Box receives all programs, to preserving after the program encoding and decoding of the second frequency in all programs, completes and records.
C, a PVR Set Top Box are opened the ring of the 2nd PVR Set Top Box control signal input, output interface and are worn function, and the ring of opening the 2nd PVR Set Top Box transmission stream signal input, output interface is worn function;
The one PVR Set Top Box sends record TV program control signal to the 3rd PVR Set Top Box with the 2nd PVR Set Top Box cascade;
The 3rd PVR Set Top Box, according to described record TV program control signal, receives all programs by the 2nd PVR Set Top Box, to preserving after the program encoding and decoding of the 3rd frequency in all programs, completes and records.
The program of described the 3rd frequency, for centered by the 3rd frequency, near any one program it in a plurality of programs corresponding to frequency.The program of described the 3rd frequency, for centered by 600MHz, near any one program it in general 10 programs corresponding to frequency.
The method that adopts embodiment mono-, when user sees program, does not need the ring of opening video signal interface to wear function, outputs to TV after directly completing encoding and decoding in the machine, and Set Top Box does not need too much cooperation, processing speed fast.
The one PVR Set Top Box is as main frame, and other method is to control the program that a PVR Set Top Box encoding and decoding user will record, and controls the program that the 2nd PVR Set Top Box encoding and decoding user will see, as embodiment bis-.
Embodiment bis-
Fig. 6 is that the present invention realizes the flow chart of the embodiment of the method two of record while seeing by two-level concatenation PVR Set Top Box, and the method comprises:
A, a PVR Set Top Box receive all programs, to preserving after the program encoding and decoding of the second frequency in all programs, complete and record;
B, a PVR Set Top Box are to transmitting control signal with the 2nd PVR Set Top Box of its cascade, the 2nd PVR Set Top Box receives all programs by a PVR Set Top Box, after the program encoding and decoding of the first frequency in all programs, by a PVR Set Top Box, output to TV and allow user watch.
Further, B specifically comprises:
The one PVR Set Top Box sends and sees TV program control signal to the 2nd PVR Set Top Box with its cascade, and the ring of opening a PVR set-top box video signal input, output interface wears function, open the ring of a PVR Set Top Box transmission stream signal input, output interface and wear function;
Described in the 2nd PVR Set Top Box basis, see TV program control signal, transmission stream signal output interface by a PVR Set Top Box receives all programs, after the program encoding and decoding of the first frequency in all programs, by a PVR set-top box video signal input interface, output to TV and allow user watch.
Fig. 7 is that the present invention realizes the flow chart of the embodiment of the method two of record while seeing by three-stage cascade PVR Set Top Box, and the method comprises:
A, a PVR Set Top Box receive all programs, to preserving after the program encoding and decoding of the second frequency in all programs, complete and record;
B, a PVR Set Top Box send and see TV program control signal to the 2nd PVR Set Top Box with its cascade, and the ring of opening a PVR set-top box video signal input, output interface wears function, open the ring of a PVR Set Top Box transmission stream signal input, output interface and wear function;
Described in the 2nd PVR Set Top Box basis, see TV program control signal, transmission stream signal output interface by a PVR Set Top Box receives all programs, after the program encoding and decoding of the first frequency in all programs, by a PVR set-top box video signal input interface, output to TV and allow user watch.
C, a PVR Set Top Box are opened the ring of the 2nd PVR Set Top Box control signal input, output interface and are worn function, and the ring of opening the 2nd PVR Set Top Box transmission stream signal input, output interface is worn function;
The one PVR Set Top Box sends record TV program control signal to the 3rd PVR Set Top Box with the 2nd PVR Set Top Box cascade;
The 3rd PVR Set Top Box, according to described record TV program control signal, receives all programs by the 2nd PVR Set Top Box, to preserving after the program encoding and decoding of the 3rd frequency in all programs, completes and records.
Adopt Cascading Methods, user can select neatly the program of other frequencies to watch when recording the program of a frequency, can not be subject to any restriction.
Certainly, adopt cascade PVR Set Top Box of the present invention, can wear function by opening the ring of corresponding video signal interface, realize recorded program in second, third PVR Set Top Box is sent on TV and watched.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. by cascade PVR Set Top Box, realize a method for the record while seeing, it is characterized in that, comprising:
The transmission stream signal input interface of A, a PVR Set Top Box receives all programs in signal source, after the program encoding and decoding of the first frequency in all programs, outputs to TV allow user watch by video signal output interface;
B, the PVR Set Top Box control signal output interface by a described PVR Set Top Box transmits control signal to the control signal input interface of the 2nd PVR Set Top Box with its cascade, and the ring of opening between a PVR Set Top Box transmission stream signal input interface and transmission stream signal output interface is worn function;
The 2nd PVR Set Top Box is according to described control signal, and the transmission stream signal output interface by a PVR Set Top Box receives all programs in signal source, to preserving after the program encoding and decoding of the second frequency in all programs, completes and records.
2. by cascade PVR Set Top Box, realize as claimed in claim 1 the method for the record while seeing, it is characterized in that, after B, also comprise C:
The one PVR Set Top Box is by the control signal output interface of a described PVR Set Top Box, control signal input interface to the 2nd PVR Set Top Box with its cascade transmits control signal, open the control signal input interface of the 2nd PVR Set Top Box and the ring between control signal output interface and wear function, and open the transmission stream signal input interface of the 2nd PVR Set Top Box and the ring between transmission stream signal output interface is worn function;
The one PVR Set Top Box sends record TV program control signal by the control signal output interface of a described PVR Set Top Box to the 3rd PVR Set Top Box with the 2nd PVR Set Top Box cascade;
The 3rd PVR Set Top Box is according to described record TV program control signal, and the transmission stream signal output interface by the 2nd PVR Set Top Box receives all programs in signal source, to preserving after the program encoding and decoding of the 3rd frequency in all programs, completes and records.
3. any one realizes the method for the record while seeing by cascade PVR Set Top Box as claimed in claim 2, it is characterized in that,
The program of described the first frequency, for centered by first frequency, near any one program it in a plurality of programs corresponding to frequency;
The program of described the second frequency, for centered by second frequency, near any one program it in a plurality of programs corresponding to frequency;
The program of described the 3rd frequency, for centered by the 3rd frequency, near any one program it in a plurality of programs corresponding to frequency.
4. by cascade PVR Set Top Box, realize a method for the record while seeing, it is characterized in that, comprising:
The transmission stream signal input interface of A, a PVR Set Top Box receives all programs in signal source, to preserving after the program encoding and decoding of the second frequency in all programs, completes and records;
B, a PVR Set Top Box are seen TV program control signal by the control signal output interface of a described PVR Set Top Box to the control signal input interface transmission of the 2nd PVR Set Top Box with its cascade, and open a video signal input interface for PVR Set Top Box and the ring of video signal output interface is worn function, open the transmission stream signal input interface of a PVR Set Top Box and the ring of transport stream output interface is worn function;
Described in the 2nd PVR Set Top Box basis, see TV program control signal, the 2nd PVR Set Top Box receives all programs in signal source by the transmission stream signal output interface of a PVR Set Top Box, after the program encoding and decoding of the first frequency in all programs, the video signal output interface by a PVR Set Top Box outputs to TV allows user watch.
5. by cascade PVR Set Top Box, realize as claimed in claim 4 the method for the record while seeing, it is characterized in that, after B, also comprise C:
The one PVR Set Top Box is opened the control signal input interface of the 2nd PVR Set Top Box and the ring between control signal output interface is worn function, and opens the transmission stream signal input interface of the 2nd PVR Set Top Box and the ring between transmission stream signal output interface is worn function;
The one PVR Set Top Box is recorded TV program control signal by the control signal output interface of a described PVR Set Top Box to the control signal input interface transmission of the 3rd PVR Set Top Box with the 2nd PVR Set Top Box cascade;
The 3rd PVR Set Top Box is according to described record TV program control signal, and the transmission stream signal output interface by the 2nd PVR Set Top Box receives all programs, to preserving after the program encoding and decoding of the 3rd frequency in all programs, completes and records.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110151308.2A CN102223578B (en) | 2011-06-08 | 2011-06-08 | Cascade personal video recorder (PVR) set top box and method for recording video in process of watching video by using cascade PVR set top box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110151308.2A CN102223578B (en) | 2011-06-08 | 2011-06-08 | Cascade personal video recorder (PVR) set top box and method for recording video in process of watching video by using cascade PVR set top box |
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| Publication Number | Publication Date |
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| CN102223578A CN102223578A (en) | 2011-10-19 |
| CN102223578B true CN102223578B (en) | 2014-10-29 |
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| CN201110151308.2A Expired - Fee Related CN102223578B (en) | 2011-06-08 | 2011-06-08 | Cascade personal video recorder (PVR) set top box and method for recording video in process of watching video by using cascade PVR set top box |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2939436A1 (en) | 2012-12-27 | 2015-11-04 | Arçelik Anonim Sirketi | A video recording device |
| CN105594200A (en) | 2012-12-31 | 2016-05-18 | 阿塞里克股份有限公司 | Video recording apparatus |
| CN103974117B (en) * | 2013-02-06 | 2017-12-05 | 中兴通讯股份有限公司 | A kind of shared method for recording, device, server and set top box |
| CN112911360B (en) * | 2021-01-21 | 2023-07-28 | 广州视源电子科技股份有限公司 | Cascade control device, cascading equipment and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1679326A (en) * | 2002-09-05 | 2005-10-05 | 汤姆森特许公司 | A method and system for memory PVR functions in a broadcast environment |
| CN101444089A (en) * | 2006-05-19 | 2009-05-27 | 诺基亚西门子通信有限责任两合公司 | Method and apparatus for maximizing 'last mile' bandwidth through non-real-time personal video recorder (PVR) transmission in internet protocol television (IPTV) systems |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1679326A (en) * | 2002-09-05 | 2005-10-05 | 汤姆森特许公司 | A method and system for memory PVR functions in a broadcast environment |
| CN101444089A (en) * | 2006-05-19 | 2009-05-27 | 诺基亚西门子通信有限责任两合公司 | Method and apparatus for maximizing 'last mile' bandwidth through non-real-time personal video recorder (PVR) transmission in internet protocol television (IPTV) systems |
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