WO2012070715A1 - 디지털 방송의 전송 모드 제공 및 인지 방법 - Google Patents
디지털 방송의 전송 모드 제공 및 인지 방법 Download PDFInfo
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- WO2012070715A1 WO2012070715A1 PCT/KR2011/000357 KR2011000357W WO2012070715A1 WO 2012070715 A1 WO2012070715 A1 WO 2012070715A1 KR 2011000357 W KR2011000357 W KR 2011000357W WO 2012070715 A1 WO2012070715 A1 WO 2012070715A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/156—Mixing image signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/816—Monomedia components thereof involving special video data, e.g 3D video
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
Definitions
- the present invention is suitable for performing new broadcasting while maintaining compatibility with existing broadcasting channels such as 3D stereoscopic broadcasting, UHD TV broadcasting, and multi-view broadcasting in the MPEG-2 TS (Transport Stream) format for broadcasting and receiving digital TV. It relates to a method of selecting a mode and recognizing a descriptor.
- ATSC North American Advanced Television Systems Committee
- ATSC is the committee or standards for developing digital television broadcasting standards in the United States.
- the ATSC standard is currently determined by the national standards of the United States, Canada, Mexico, and Korea, and other countries, including several countries in South America, intend to make it the standard.
- digital broadcasting standards include DVB developed in Europe and ISDB in Japan.
- the ATSC digital broadcast standard which can transmit high-quality video, audio and auxiliary data, is capable of transmitting data at a terrestrial broadcast rate of 19.39Mbps for 6MHz terrestrial broadcast channels and about 38Mbps for cable TV channels.
- the video compression technology used in the ATSC method uses the ISO / IEC 13818-2 MPEG-2 video standard, and the compression format uses MPEG-2 MP @ HL, that is, the Main Profile and High Level standards. The format and restrictions are defined.
- the following describes the transmission modes available for performing a new broadcast while maintaining compatibility with existing broadcast channels such as 3D stereoscopic broadcast, UHD TV broadcast, and multiview broadcast in the MPEG-2 TS format for broadcasting and receiving digital TV. Let's look at it.
- 3D stereoscopic broadcasting, UHD TV broadcasting, and multiview broadcasting will be collectively referred to as composite video broadcasting.
- composite video broadcasting As a transmission mode usable in the MPEG-2 TS format, a frame compatible mode and a service compatible mode are distinguished. As such, when two transmission modes are used in digital broadcasting, there is a need for a receiver to recognize a transmission mode used by a transmitter.
- An object of the present invention is to recognize the reception of a composite video in a receiving system capable of processing a composite video broadcasting including 3D stereoscopic broadcasting, UHD TV broadcasting, multi-view broadcasting, thereby receiving a composite image in the receiving system. To receive and process it.
- Another problem to be solved by the present invention is to prevent the reception of the composite image in the receiving system that can not process the composite image, thereby preventing the malfunction of the receiving system.
- the present invention proposes a method of providing a synthesis related descriptor for left and right images using a stream type.
- the present invention proposes a method of providing a synthesis related descriptor for left and right images by using a presence of a descriptor.
- the present invention proposes a method of providing a composition related descriptor for left and right images using a frame compatibility mode flag.
- the reception system capable of processing the composite image to recognize the reception of the composite image, thereby allowing the receiving system to receive and process the composite image. In a reception system that cannot process a composite image, reception of the composite image can be ignored, thereby preventing malfunction of the reception system.
- 1 is a block diagram for HD broadcasting, 3D broadcasting, UD broadcasting, and MV broadcasting.
- FIG. 2 illustrates a frame compatibility mode according to an embodiment of the present invention.
- FIG. 3 illustrates a service compatibility mode according to an embodiment of the present invention.
- FIG. 4 illustrates a structure of a program map table (PMT) syntax according to an embodiment of the present invention.
- PMT program map table
- FIG. 6 is a flowchart illustrating a process of providing a composition related descriptor for left and right images using a stream type according to an embodiment of the present invention.
- FIG. 7 is a flowchart illustrating a process of providing a synthesis related descriptor for left and right images using a presence of a descriptor according to an embodiment of the present invention.
- FIG. 8 is a flowchart illustrating a process of providing a composition related descriptor for left and right images using a frame compatibility mode flag according to an embodiment of the present invention.
- digital broadcasting is classified into 3D stereoscopic broadcasting, ultra high definition (UHD) TV broadcasting, and multi-view broadcasting.
- FIG. 1 is a block diagram for HD broadcasting, 3D broadcasting, UD broadcasting, and MV broadcasting.
- 3D stereoscopic broadcasting, UHD TV broadcasting, multiview broadcasting, etc. will be collectively referred to as composite video broadcasting.
- HD broadcasting transmits two screens
- 3D stereoscopic broadcasting transmits two screens
- UHD broadcasting includes four screens (4k)
- multiview broadcasting includes two or more screens.
- a packet identifier (PID: Packet Identifier) in MPEG-2 TS is assigned to left and right images to transmit stereoscopic 3D stereoscopic images and multiplexed.
- PID Packet Identifier
- UHD video generally has a number of horizontal and vertical pixels of 4000 (4k ⁇ 3840x2160) to 8000 (8k ⁇ 7680x4320).
- UHD video is four times clearer than HD (2k, 1920x1080) on a 4k scale, given that the screen resolution depends on the number of pixels called pixels. Compared to 8k, the difference is up to 16 times in sharpness. Even at the refresh rate, or frames per second, HD is 30 HD, while 60Hz is 60 screens per second, so you can enjoy a much more natural and dynamic picture.
- Multi-view broadcasting can be viewed as a 3D stereoscopic image by combining two images from different angles up, down, left, and right according to the viewing angle of the viewer. If the television is equipped with a multi-view display, when the actor appears on the screen, the person on the left sees the actor's left face, and the person on the right sees the actor's right face in 3D stereoscopic image. In other words, it is an advanced form of 3D stereoscopic broadcasting.
- the present invention proposes a method of selecting an appropriate transmission mode when performing a new broadcast while maintaining compatibility with an existing broadcast channel when using any one of 3D stereoscopic broadcasting, UHD TV broadcasting, and multiview broadcasting.
- FIG. 2A illustrates a frame compatibility mode
- FIG. 2B illustrates an example of a method of synthesizing an image to configure a frame compatibility mode.
- 2A and 2B are examples of 3D stereoscopic broadcasting, and UHD broadcasting and multiview broadcasting may be extended in a similar manner.
- the frame compatibility mode will be described in detail with reference to FIGS. 2A and 2B.
- the frame compatibility mode transmits one frame in which left and right images are combined in one transmission band. Therefore, it is possible to maintain the same transmission / reception form as that used by conventional HD broadcasting.
- the previous HD broadcast transmits video over the entire area
- the broadcast in frame compatibility mode transmits the synthesized video as many as the number of video. That is, as illustrated in FIG. 2B, the left image and the right image may be synthesized in one frame in various ways. As shown in FIG. 2B (a), half of the frame may be divided and synthesized, or as shown in FIG. 2B (b), the pixels may be divided and synthesized. Alternatively, as shown in FIG.
- the frame may be transmitted by alternating left and right images in chronological order.
- the number of images is synthesized in one frame, a process of reducing each image is needed.
- the bitrate of the video compression There are various ways to synthesize images.
- the left image and the right image may be changed or may be mixed in units of diagonal pixels.
- 3 shows a service compatibility mode.
- the service compatibility mode will be described in detail with reference to FIG. 3.
- 3 illustrates a 3D stereoscopic broadcast, and UHD broadcasting and multiview broadcasting may be extended in a similar manner.
- a left image frame and a right image frame are separately compressed and transmitted in one transmission band instead of image synthesis. That is, as shown in FIG. 3, the left image frame and the right image frame are compressed by respective compression methods, and the compressed left image frame and the right image frame are transmitted through one transmission band.
- one video is compressed so as to be compatible with existing HD broadcasting, while the other video is encoded and transmitted using a compression method having a higher compression rate.
- one image of the left image and the right image is transmitted at high resolution, and the other image is transmitted using the low resolution.
- the left image is encoded and transmitted in the MPEG-2 Main profile
- the right image is encoded and transmitted in the MPEG-4 AVC / H.264 High profile.
- the left video transmits the video stream at a resolution of 1080i @ 60Hz and the right video transmits the video stream at a resolution of 720p @ 60Hz by the above-described encoding method.
- the left image is left as it is, the right image is subsampled in the vertical or horizontal direction, and the receiver generates one stereo image after restoring the sampled right image by the resolution of the left image.
- the transmission mode of the composite broadcast is divided into a frame compatibility mode and a service compatibility mode, and a transmitter uses one of two transmission modes.
- the compressed image is transmitted to the receiving end.
- the receiving end needs to know the transmission mode used by the transmitting end in order to decode the received compressed image.
- only the primary video can be played without ignoring the secondary video of the received composite video.
- identification information for recognizing reception of a 3D image in a reception system capable of processing a 3D image is included in system information and received.
- PSI / PSIP Program Specific Information / Program and System Information Protocol
- PSIP Program Specific Information / Program and System Information Protocol
- a protocol for transmitting system information in a table format may be applicable to the present invention regardless of its name.
- PSI is a system standard of MPEG-2 defined for classifying channels and programs
- PSIP is an Advanced Television Systems Committee (ATSC) standard for classifying channels and programs.
- ATSC Advanced Television Systems Committee
- the PSI may include, as an example, a Program Association Table (PAT), a Conditional Access Table (CAT), a Program Map Table (PMT), and a Network Information Table (NIT).
- PAT Program Association Table
- CAT Conditional Access Table
- PMT Program Map Table
- NIT Network Information Table
- PAT is special information transmitted by a packet having a PID of '0', and transmits PID information of a corresponding PMT and PID information of a NIT for each program.
- the CAT transmits information about the pay broadcasting system used on the transmitting side.
- the PMT transmits the program identification number, PID information of a transport stream packet to which individual bit streams such as video and audio constituting the program are transmitted, and PID information to which PCR is delivered.
- NIT transmits the information of the actual transmission network. For example, a PAT table with a PID of 0 is parsed to find a program number and a PID of a PMT. When the PMT obtained from the PAT is parsed, the correlation between the components constituting the program can be known.
- FIG. 4 illustrates a structure of a program map table (PMT) syntax according to an embodiment of the present invention.
- PMT program map table
- the table_id field is a table identifier, and an identifier for identifying the PMT may be set.
- the section_syntax_indicator field is an indicator that defines the section format of the PMT.
- the section_length field represents a section length of the PMT.
- the program_number field indicates information of a program as information corresponding to the PAT.
- the version_number field represents a version number of the PMT.
- the current_next_indicator field is an identifier indicating whether the current table section is applicable.
- the section_number field indicates the section number of the current PMT section when the PMT is transmitted divided into one or more sections.
- the last_section_number field represents the last section number of the PMT.
- the PCR_PID field indicates a PID of a packet carrying a program clock reference (PCR) of a current program.
- the program_info_length field represents descriptor length information immediately following the program_info_length field in number of bytes. That is, the length of the descriptors included in the first loop.
- the stream_type field indicates the type and encoding information of the element stream included in the packet having the PID value indicated by the following elementary_PID field.
- the elementary_PID field represents an identifier of the element stream, that is, a PID value of a packet including the corresponding element stream.
- the ES_Info_length field represents descriptor length information immediately after the ES_Info_length field in number of bytes. That is, the length of the descriptors included in the second loop.
- the descriptor related to the composite information about the left and right images for the specific program number is present in the descriptor following the program_info_length syntax.
- descriptors related to the left and right image individual ESs are present in descriptors following the ES_info_length syntax.
- the composition information related descriptor for the left and right images is defined as service_compatible_stereoscopic_video_descriptor ().
- Information related to the frame packing arrangement has described MPEG2_video_3d-frame_packing_arrangement_descriptor () defined in the frame compatibility scheme.
- descriptor related to the left and right images individual ES is defined by stereoscopic_stream_descriptor (). However, in FIG. 4, the positions of these descriptors are directly expressed in the syntax, but it is noted that they are actually included in a form selectively like the conventional descriptors.
- FIG. 4 first constructs a composition related descriptor for left and right images for a specific program number, and then configures descriptors related to individual ESs. But it is not limited thereto. That is, the position of MPEG2_video_3d_frame_frame_packing_arrangement_descriptor () may be specified at a descriptor position under ES_info_length rather than the current position. In the frame compatibility mode, since one video PID is used, the PID and the descriptor need to exist together. As described above, as the position of the descriptor may vary, the position of the descriptor may vary according to circumstances.
- the method of providing a synthesis related descriptor for a composite image may be classified into a method of using a stream type, a method of using a presence of a descriptor, and a method of checking a frame compatibility mode flag.
- a synthesis related descriptor for left and right images may be provided.
- Table 1 illustrates a stream type for 3D stereoscopic broadcasting in PSI.
- a synthesis related descriptor for left and right images is provided. That is, if the stream type is Ox02 type, it is a 2D video. If the stream type is Ox22, Ox23 type, it is a 3D stereoscopic video. For example, if the stream type is Ox22, it is frame compatibility mode. If the stream type is 0x23, it is service compatibility mode.
- the receiving end can determine the frame compatibility mode or service compatibility mode by checking the stream type of the received PSI, and can also be provided with a composition related descriptor for the left and right images.
- the second approach is to use the presence of a descriptor. That is, if a descriptor related to the frame compatibility mode exists, the corresponding image is transmitted in the frame compatibility mode. If the descriptor related to the service compatibility mode exists, the corresponding image is transmitted in the service compatibility mode.
- the second scheme provides a synthesis related descriptor for left and right images by using the presence of a descriptor related to a specific mode. Referring to FIG. 4, in the case of a 3D stereoscopic broadcast, if a descriptor for service compatibility mode such as service_compatible_stereoscopic_video_descriptor () exists, it is determined as a service compatibility mode. This is how to determine.
- the third solution is to check the frame compatibility mode flag. That is, the frame compatibility mode flag is checked to provide a composition related descriptor for the composite image.
- Table 2 shows an example of the frame compatibility mode flag of the 3D stereoscopic broadcast according to an embodiment of the present invention.
- the detailed syntax in the descriptor may be branched according to the supported method with the frame_compatible_mode_flag syntax. Therefore, the syntax in the descriptor may be divided into ⁇ mode common syntaxes ⁇ , ⁇ frame-compatible mode syntaxes ⁇ , and ⁇ service-compatible mode syntaxes ⁇ .
- the third method provides a composition related descriptor for left and right images using a descriptor flag.
- a service compatible flag may be defined instead of the frame compatible flag or a mode bit may be allocated separately (for example, 1 for frame compatibility mode and 2 for service compatibility mode). It is included in the technique of branching the frame compatibility mode and the service compatibility mode.
- FIG. 5 shows the procedure of PMT.
- the procedure of PMT will be described with reference to FIG. 5.
- Step S500 checks the length of the PMT with section_length.
- step S502 the syntax including the program_number is read.
- step S504 the descriptor length is checked by program_info_length.
- Step S506 checks whether all descriptors related to program info have been read. If all have been read, go to step S510. If all have not been read, go to step S508 to read one descriptor related to program info.
- step S510 confirm that all the PMT has been read. If all have been read, go to step S510. If all have not been read, go to step S512. Step S512 reads the stream_type and elementary_PID.
- step S51 the descriptor length is checked by ES_info_length.
- Step S516 checks whether all ES info related descriptors have been read. If all have been read, the process moves to step S518. If all have not been read, the process moves to step S520.
- Step S520 reads one descriptor related to ES info and moves to step S516.
- FIG. 6 is a flowchart illustrating a process of providing a composition related descriptor for left and right images using a stream type according to an embodiment of the present invention.
- a process of providing a synthesis related descriptor for left and right images using a stream type according to an embodiment of the present invention will be described with reference to FIG. 6.
- step S600 the PMT length is checked by section_length.
- Step S602 reads a syntax including program_number.
- step S604 the descriptor length is checked by program_info_length.
- Step S606 checks whether all descriptors related to program info have been read. If all are read, go to step S610. If all are not read, go to step S608 to read one descriptor related to program ingo.
- step S610 it is checked whether all the PMTs have been read. If all have been read, the process moves to step S628. If all have not been read, the process moves to step S612. Step S612 reads the stream_type and elementary_PID.
- Step S614 checks whether the stream type is 0x22. If the stream type is 0x22, the flow proceeds to step S616. If the stream type is not 0x22, the flow goes to step S618.
- Step S616 activates the Frame-Compatible mode.
- Step S618 confirms whether the stream type is 0x23. If the stream type is 0x23, the flow moves to step S620. If the stream type is not 0x23, the flow moves to step S622.
- Step S620 activates the Service-Compatible mode.
- step S622 the descriptor length is checked by ES_info_length.
- step S624 it is checked whether all ES info related descriptors have been read. If all have been read, the process moves to step S610. If all have not been read, the process moves to step S626.
- Step S626 reads one descriptor related to ES info and moves to step S624.
- the CRC_32 is read and a data error is verified.
- FIG. 7 is a flowchart illustrating a process of providing a composition related descriptor for left and right images by using a descriptor according to an embodiment of the present invention.
- a process of providing a synthesis related descriptor for left and right images by using a descriptor which is an embodiment of the present invention, will be described with reference to FIG. 7.
- Step S700 checks the length of the PMT by section_length.
- step S702 the syntax including the program_number is read.
- step S704 the descriptor length is checked by program_info_length.
- step S706 all the descriptors related to program info are read. If all are read, go to step S710. If not, go to step S708 and read one descriptor related to program ingo.
- step S710 check that all PMTs have been read. If all have been read, the process moves to step S720, and if all have not been read, the process moves to step S712.
- Step S712 reads the stream_type and elementary_PID.
- step S714 the descriptor length is checked by ES_info_length.
- Step S716 checks whether all ES info related descriptors have been read. If all have been read, the process moves to step S710. If all have not been read, the process moves to step S718.
- Step S718 reads one descriptor related to ES info and moves to step S716.
- step S720 the CRC_32 is read and a data error is verified.
- step S722 it is checked whether a descriptor for Frame-Compatible exists. If there is a descriptor for Frame-Compatible, go to step S724 to activate the Frame-Compatible mode.
- step S726 If the frame-Compatible descriptor does not exist, go to step S726 and check whether the descriptor for Service-Compatible exists. If there is a descriptor for Service-Compatible, go to step S728 to activate the Service-Compatible mode.
- FIG. 8 is a flowchart illustrating a process of providing a composition related descriptor for left and right images using a frame compatibility mode flag according to an embodiment of the present invention.
- a process of providing a synthesis related descriptor for left and right images using a frame compatibility mode flag according to an embodiment of the present invention will be described with reference to FIG. 8.
- step S800 the PMT length is checked by section_length.
- Step S802 reads a syntax including program_number.
- step S804 the descriptor length is checked by program_info_length.
- Step S806 checks whether all descriptors related to program info have been read. If all are read, go to step S820. If not, go to step S808 and read one descriptor related to program ingo.
- step S810 it is determined whether the descriptor is related to a plurality of images (3D, UD, MV). If the descriptor is related to the plurality of images, the process proceeds to step S812. If the descriptor is related to the plurality of images, the process proceeds to step S806.
- step S812 the frame-compatible_mode_flag is checked. If the frame S814 mode is the Frame-Compatible mode, the process moves to step S816, otherwise, the process moves to step S818.
- Step S816 activates the Frame_Compatible mode
- step S818 activates the Service_Compatible mode.
- step S820 confirm that all PMTs have been read. If all have been read, the process moves to step S830. If all have not been read, the process moves to step S822. Step S822 reads stream_type and elementary_PID.
- step S824 the descriptor length is checked by ES_info_length.
- Step S826 checks whether all ES info related descriptors have been read. If all have been read, the process moves to step S810. If all have not been read, the process moves to step S828.
- Step S828 reads one descriptor related to ES info and moves to step S826.
- Step S830 reads the CRC_32 and verifies whether there is a data error.
- the present invention is not limited to 3D stereoscopic broadcast but reveals that it is a technology that can be applied to both complex broadcasting such as UHD TV broadcasting and multi-view broadcasting.
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Abstract
Description
Claims (8)
- 디지털 방송 프로그램의 좌영상과 우영상에 대한 합성 정보를 제공받는 방법에 있어서,송신단으로부터 디지털 방송 프로그램을 수신하는 단계;수신된 상기 디지털 방송 프로그램의 스트림 타입에 따라 2D 영상인지 3D 영상인지 구별하는 단계를 포함함을 특징으로 하는 합성 정보를 제공받는 방법.
- 제 1항에 있어서,상기 3D 스트림 타입은 프레임 호환 모드와 서비스 호환 모드를 구별하기 위한 스트림 타입으로 세분화됨을 특징으로 하는 합성 정보를 제공받는 방법.
- 제 2항에 있어서, 상기 프레임 호환 모드는 하나의 전송 대역에 좌우영상이 합쳐진 하나의 프레임을 전송하는 모드이며,상기 서비스 호환 모드는 하나의 전송 대역에 좌영상 프레임과 우영상 프레임을 각각 압축하여 전송하는 모드임을 특징으로 하는 합성 정보를 제공받는 방법.
- 제 1항에 있어서, 상기 디지털 방송은,3D 방송, UHD TV 방송, 멀티뷰 방송 중 적어도 하나를 포함함을 특징으로 하는 합성 정보를 제공받는 방법.
- 디지털 방송 프로그램의 좌영상과 우영상에 대한 합성 정보를 제공받는 방법에 있어서,송신단으로부터 디지털 방송 프로그램을 수신하는 단계;수신된 상기 디지털 방송 프로그램에 기술자 존재 유무에 따라 2D 영상, 서비스 호환 모드의 3D 영상 및 프레임 호환 모드의 3D 영상인지 구별하는 단계인지 구별하는 단계를 포함함을 특징으로 하는 합성 정보를 제공받는 방법.
- 제 5항에 있어서, 상기 서비스 호환 모드 기술자가 존재하면 서비스 호환 모드 3D 영상이며, 프레임 호환 모드 기술자가 존재하면 프레임 호환 모드 3D 영상임을 특징으로 하는 합성 정보를 제공받는 방법.
- 제 6항에 있어서, 상기 디지털 방송은,3D 방송, UHD TV 방송, 멀티뷰 방송 중 적어도 하나를 포함함을 특징으로 하는 합성 정보를 제공받는 방법.
- 디지털 방송 프로그램의 좌영상과 우영상에 대한 합성 정보를 제공받는 방법에 있어서,송신단으로부터 디지털 방송 프로그램을 수신하는 단계;수신된 상기 디지털 방송 프로그램에 포함된 식별자에 따라 서비스 호환 모드인지 프레임 호환 모드인지 구별하는 단계를 포함함을 특징으로 하는 합성 정보를 제공받는 방법.
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CA2818930A CA2818930C (en) | 2010-11-27 | 2011-01-18 | Method for providing and recognizing transmission mode in digital broadcasting |
US14/104,823 US8982186B2 (en) | 2010-11-27 | 2013-12-12 | Method for providing and recognizing transmission mode in digital broadcasting |
US14/681,443 US9288467B2 (en) | 2010-11-27 | 2015-04-08 | Method for providing and recognizing transmission mode in digital broadcasting |
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US14/681,443 Continuation US9288467B2 (en) | 2010-11-27 | 2015-04-08 | Method for providing and recognizing transmission mode in digital broadcasting |
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CA2818930A1 (en) | 2012-05-31 |
US20150245006A1 (en) | 2015-08-27 |
CA2818930C (en) | 2017-10-31 |
MX2013005884A (es) | 2013-10-25 |
US20130242050A1 (en) | 2013-09-19 |
US8982186B2 (en) | 2015-03-17 |
KR20120058700A (ko) | 2012-06-08 |
US9030527B2 (en) | 2015-05-12 |
US20140139628A1 (en) | 2014-05-22 |
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