CN101420574A - Ratio setting device and method for recording motion picture - Google Patents
Ratio setting device and method for recording motion picture Download PDFInfo
- Publication number
- CN101420574A CN101420574A CNA2008101746593A CN200810174659A CN101420574A CN 101420574 A CN101420574 A CN 101420574A CN A2008101746593 A CNA2008101746593 A CN A2008101746593A CN 200810174659 A CN200810174659 A CN 200810174659A CN 101420574 A CN101420574 A CN 101420574A
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- signal
- wss
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- ratio
- picture ratio
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
- H04N7/0122—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal the input and the output signals having different aspect ratios
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2508—Magnetic discs
- G11B2220/2516—Hard disks
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Graphics (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
The invention is a setting device for recording the image ratio and a method, which comprises: a phase receiving the recording request signal, a phase compassing as MPEG flow according to the video signal of the received broadcast flow; a phase of analyzing the WSS image ratio information according to the video signal of the broadcast flow; a phase memorized with the MPEG flow after collecting the above analysis of the WSS information screen ratio, with the compressed video stream broadcasting signal synchronization; a phase automatically setting the image ratio of the MPEG flow according to the WSS image ratio information memorized in the broadcast request signal; while playing the recording material in the time machine, the invention takes the use of WSS information, automatically set to provide viewers with the ratio of the display screen image, which never have to provide the initial deformation of the effectiveness of the broadcasting environment.
Description
Technical field
The present invention is for recording thing picture ratio setting device and method related invention, more specifically saying so, it is current just in the WSS of recorded program (Wide Screen Signaling) information to exist in real time, utilize the WSS information of being stored during broadcast, the device and method of automatic setting picture ratio { Apparatus and method forsetting screen ratio of recording}.
Background technology
Usually, compare with the general T V image frame with 4:3 picture ratio, the widescreen TV of the 16:9 picture ratio that width is wideer can embody the image of various picture ratios.The image of the TV signal that the broadcasting station is sent not only can have the picture ratio of 4:3, also can have the picture ratio of 16:9, and the broadcast singal in Europe also comprises the picture ratio of 14:9.
Can be according among the time machine TV that records and play between each time transition range, store after the analog signal boil down to MPEG-2.At this moment, a store video and audio stream information are not stored other information.The information that is called WSS (Wide Screen Signaling) is arranged in the realistic simulation signal, can set the picture ratio of program.Traditional mode of recording is not stored WSS (Wide Screen Signaling) information, therefore exists to play when recording thing, all the time the problem that shows with 4:3 picture ratio.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide, collect WSS (Wide Screen Signaling) information in the time machine of broadcast singal and when recording, after the MPEG-2 stream of the information of collecting and compression carried out storing after the synchronization, during broadcast singal that broadcast is recorded, according to WSS (the Wide Screen Signaling) information of storage, provide audio visual environment with the picture ratio demonstration of automatic setting.
The present invention is achieved through the following technical solutions:
Record thing picture ratio setting device, comprising:
By the channel through channel selection of appointment, the receiving part of receiving broadcast signal;
According to the broadcast singal of above-mentioned reception, to signal of video signal, the channel decoding portion of output after voice signal and additional information signal are decoded;
According to the recording request signal, detect the WSS analysis portion of WSS (Wide ScreenSignaling) signal in the signal of video signal that is included in above-mentioned decoding;
According to above-mentioned recording request signal, the signal of video signal of above-mentioned output is converted to after the digital signal MPEG compression unit of boil down to mpeg stream;
To carry out the synchronization hard disk of storage afterwards with the mpeg stream that compresses by the WSS information of above-mentioned WSS analysis portion detection;
Control the recording process of the broadcast singal of above-mentioned reception, detect after the playing request signal, with the mpeg stream of above-mentioned storage synchronously after, periodically confirm the control part of WSS information screen ratio;
Reach WSS information screen ratio, the picture ratio configuration part of the picture ratio of the mpeg stream of the above-mentioned storage of automatic setting according to above-mentioned affirmation.
The aforementioned thing picture ratio setting device of recording, it is characterized in that described WSS analysis portion, vertical blanking interval (VBI) slicing machine (slicer) of the signal of video signal by above-mentioned decoding, analyze information screen ratio, with the pictures rate information not simultaneously, effectively begin on the code to increase section at above-mentioned mpeg stream.
The aforementioned thing picture ratio setting device of recording is characterized in that the WSS picture ratio of described picture ratio configuration part according to above-mentioned affirmation, the horizontal line and the vertical line of compensation signal of video signal.
The aforementioned thing picture ratio setting device of recording is characterized in that described picture ratio configuration part, according to above-mentioned WSS picture ratio, is set at 4:3, at least one the picture ratio in the middle of 14:9 and the 16:9.
The aforementioned thing picture ratio setting device of recording is characterized in that described above-mentioned control part, confirms the WSS information screen ratio of above-mentioned storage according to the corresponding cycle of vertical synchronizing signal one-period.
Record thing picture ratio establishing method, comprising:
Receive the stage of recording request signal;
The stage of the signal of video signal boil down to mpeg stream of the broadcasting stream that will receive according to above-mentioned recording request;
According to the signal of video signal of above-mentioned broadcasting stream, analyze the stage of WSS (Wide Screen Signaling) information screen ratio;
Collect after the WSS information screen ratio of above-mentioned analysis, carry out synchronization with the signal of video signal of the broadcasting of above-mentioned compression stream after, the stage of storing simultaneously with mpeg stream;
And according to the above-mentioned WSS information screen ratio according to the playing request signal storage, the stage of the picture ratio of the mpeg stream of the above-mentioned storage of automatic setting.
The aforementioned thing picture ratio establishing method of recording, when the WSS picture ratio that the WSS information that it is characterized in that described analysis detected from the past changes, above-mentioned mpeg stream effectively begin increase section in the code.
The aforementioned thing picture ratio establishing method of recording is characterized in that detecting the WSS information screen ratio of above-mentioned storage according to the corresponding cycle of the one-period of vertical synchronizing signal.
The aforementioned thing picture ratio establishing method of recording is characterized in that recording of each interval that the recording request signal shifted with, time, part record and whole recording in the middle of at least one request signal.
The aforementioned thing picture ratio establishing method of recording is characterized in that above-mentioned WSS information screen ratio comprises 4:3,14:9 and 16:9 picture ratio.
The invention has the beneficial effects as follows: the present invention reaches in the time machine and plays when recording thing, utilize WSS (WideScreen Signaling) information to provide the show image of automatic setting picture ratio, thereby have the effect that the initial broadcast environment that does not have distortion is provided to spectators.
Description of drawings
Fig. 1 is for showing the inside composition block diagram according to the image display of recording thing picture ratio setting device of example of the present invention;
Fig. 2 detects the exemplary plot of WSS signal for showing according to example of the present invention according to broadcasting stream;
Fig. 3 utilizes WSS information for showing according to example of the present invention, shows the precedence diagram of the automatic setting picture ratio approach of recording thing.
The symbol description of major part in the accompanying drawing:
101. receiving part;
102. channel decoding portion;
103. control part;
104. picture ratio configuration part;
105. image processing portion;
106. display part;
107.WSS analysis portion;
108.MPEG compression unit;
109. hard disk (HDD);
110.WSS storage part
Embodiment
Can further understand purpose of the present invention and characteristics and advantage by additional pictures and following concrete introduction.Introduce when of the present invention,, omit its introduction if think when introduction about relevant known function or composition upsets main idea of the present invention.
Fig. 1 is for showing the inside composition block diagram according to the image display of recording thing picture ratio setting device of example of the present invention.
Receiving part 101 receives the broadcast singal of sending by the broadcasting station, by the channel output broadcast singal through channel selection of appointment.Channel decoding portion 102, exports after voice signal and additional information signal are decoded signal of video signal according to the broadcast singal of the channel of channel selection.
WSS (Wide ScreenSignaling) signal that WSS analysis portion 107 detects in the signal of video signal that is included in decoding.By vertical blanking interval (the Vertical Blanking Interbal of the clock signal of transmitting serial number digital data and synchrodata is provided; VBI) slicing machine (slicer) is analyzed WSS (WideScreen Signaling) information, the WSS information of analysis and WSS information screen ratio in the past not simultaneously, record thing effectively begin increase section in the code.
The picture ratio data of the WSS information of the detection of picture ratio configuration part 104 acceptance inputs, the horizontal line and the vertical line of compensation signal of video signal.
The image letter of the mpeg stream after the storage that image processing portion 105 accepts to import is converted to displayable R, output after the G, B signal of video signal.Display part 106 shows the R that handles by image processing portion 105, G, B signal of video signal.
Fig. 2 detects the exemplary plot of WSS signal for showing according to example of the present invention according to broadcasting stream.
Embodiment according to the present invention is divided the current broadcast program that is receiving 10 according to time machine function and recording request signal according to interval or whole component.At this moment, the signal of video signal of broadcasting stream is stored after compressing according to the MPEG specification, by vertical blanking interval (the Vertical Blanking Interbal that is included in broadcast singal; VBI) slicing machine (slicer) is analyzed WSS (Wide Screen Signaling) information, the WSS information of analysis and WSS information screen ratio in the past not simultaneously, effectively the beginning of the mpeg stream of storage increases section 11 in the code.
The WSS signal comprises picture ratio data group, the expansion service data set, and caption data group and uncertain (undefine) data set are according to the digit order number decision image display mode of picture ratio data group.Picture ratio data detection method is measured the signal of video signal width that comprises in the vertical synchronizing signal.The signal of video signal width is identical with the horizontal-drive signal number.
When the horizontal-drive signal number is 116～134, be judged as the wide cut image that minimum image mode promptly has the above picture ratio of 16:9, when the horizontal-drive signal number is 135～180, be judged as the image that cine image promptly has the picture ratio of 16:9.And, when the horizontal-drive signal number is 181～224, be judged as the image that the distant view image promptly has the picture ratio of 1.68～1.85:1, if 225～234, then be judged as the 4:3 image.
Fig. 3 utilizes WSS (Wide Screen Signaling) information for showing according to example of the present invention, shows the precedence diagram of the automatic setting picture ratio approach of recording thing.
Embodiment according to the present invention, stage S301, the time machine function of operation digit broadcasting receiver, the part of carrying out broadcast program records or integral body is recorded.
Stage S302 stores after the broadcasting stream that compression receives according to the MPEG specification.
Stage S303 analyzes WSS (Wide Screen Signaling) signal according to the signal of video signal of broadcasting stream.
At this moment, by vertical blanking interval (VBI) slicing machine (slicer) that is included in broadcast singal, analyze after the WSS information, whether the WSS information of stage S304 discriminatory analysis is different with past WSS information screen ratio.
Stage S305 is according to judged result, during the change of picture ratio, according to the mpeg stream of the WSS information stores of analyzing effectively begin increase section in the code.
Stage S306 reads the mpeg stream that is stored in the hard disk according to the playing request of time machine function.
Stage S307 periodically confirms the WSS information screen ratio according to the section of the mpeg stream that increases.
If with the picture ratio that detects, be converted to ARC (the Aspect Ratio Control) automatic mode of the picture ratio that meets the screen aspect ratio, stage S308 then, 309 according to the WSS information screen ratio of confirming by section, carries out the picture ratio of mpeg stream and sets.
Stage S310 is according to the picture ratio of setting, show image signal.
Simultaneously, the term (terminology) that the present invention uses is a undefined term after the consideration function of the present invention, these terms can change according to technical staff's intention or the convention that office be engaged in corresponding field, so its definition content that should run through based on whole the present invention.
Above the present invention is not limited to the example of above-mentioned record, can carry out various deformation and change by the insider, and these are included in a main idea of the present invention and a scope of definition that require.
Claims (10)
1, record thing picture ratio establishing method, it is characterized in that, comprising:
Receive the stage of recording request signal;
The stage of the signal of video signal boil down to mpeg stream of the broadcasting stream that will receive according to above-mentioned recording request;
According to the signal of video signal of above-mentioned broadcasting stream, analyze the stage of WSS (Wide Screen Signaling) information screen ratio;
Collect the WSS information screen ratio of above-mentioned analysis, after the signal of video signal synchronization of the broadcasting of above-mentioned compression stream, the stage of storing simultaneously with mpeg stream;
And according to the above-mentioned WSS information screen ratio by the playing request signal storage, the stage of the picture ratio of the mpeg stream of the above-mentioned storage of automatic setting.
During WSS picture ratio change that 2, the thing picture ratio establishing method of recording according to claim 1, the WSS information that it is characterized in that described analysis detected from the past, above-mentioned mpeg stream effectively begin increase section in the code.
3, the thing picture ratio establishing method of recording according to claim 1 is characterized in that according to the corresponding cycle detection of one-period the WSS information screen ratio of above-mentioned storage.
4, the thing picture ratio establishing method of recording according to claim 1 is characterized in that above-mentioned recording request signal, records according to the interval that the time shifts, and part is recorded and integral body is recorded at least one central request signal.
5, the thing picture ratio establishing method of recording according to claim 1 is characterized in that above-mentioned WSS information screen ratio comprises 4:3,14:9 and 16:9 picture ratio.
6, record thing picture ratio setting device, it is characterized in that, comprising:
By the channel through channel selection of appointment, the receiving part of receiving broadcast signal;
According to the broadcast singal of above-mentioned reception, to signal of video signal, the channel decoding portion of output after voice signal and additional information signal are decoded;
According to the recording request signal, detect the WSS analysis portion of WSS (Wide ScreenSignaling) signal in the signal of video signal that is included in above-mentioned decoding;
According to above-mentioned recording request signal, the signal of video signal of above-mentioned output is converted to after the digital signal MPEG compression unit of boil down to mpeg stream;
To carry out the synchronization hard disk of storage afterwards with the mpeg stream that compresses by the WSS information of above-mentioned WSS analysis portion detection;
Control the recording process of the broadcast singal of above-mentioned reception, detect after the playing request signal, with the mpeg stream of above-mentioned storage synchronously after, periodically confirm the control part of WSS information screen ratio;
Reach WSS information screen ratio, the picture ratio configuration part of the picture ratio of the mpeg stream of the above-mentioned storage of automatic setting according to above-mentioned affirmation.
7, the thing picture ratio setting device of recording according to claim 6, it is characterized in that described WSS analysis portion, vertical blanking interval (VBI) slicing machine (slicer) of the signal of video signal by above-mentioned decoding, analyze after the information screen ratio, with the pictures rate information not simultaneously, effectively begin in the code to increase section at above-mentioned mpeg stream.
8, the thing picture ratio setting device of recording according to claim 6 is characterized in that described picture ratio configuration part, according to the WSS picture ratio of above-mentioned affirmation, and the horizontal line and the vertical line of compensation signal of video signal.
9, the thing picture ratio setting device of recording according to claim 8 is characterized in that described picture ratio configuration part, according to above-mentioned WSS picture ratio, is set at 4:3, the picture ratio of at least one in the middle of 14:9 and the 16:9.
10, the thing picture ratio setting device of recording according to claim 6 is characterized in that described control part, confirms the WSS information screen ratio of above-mentioned storage according to the corresponding cycle of the one-period of vertical synchronizing signal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080011505A KR20090085745A (en) | 2008-02-05 | 2008-02-05 | Apparatus and method for setting sreen ratio of recording |
| KR1020080011505 | 2008-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101420574A true CN101420574A (en) | 2009-04-29 |
Family
ID=40631141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101746593A Pending CN101420574A (en) | 2008-02-05 | 2008-10-30 | Ratio setting device and method for recording motion picture |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20090085745A (en) |
| CN (1) | CN101420574A (en) |
-
2008
- 2008-02-05 KR KR1020080011505A patent/KR20090085745A/en not_active Application Discontinuation
- 2008-10-30 CN CNA2008101746593A patent/CN101420574A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR20090085745A (en) | 2009-08-10 |
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Open date: 20090429 |