WO2015152635A9 - 신호 송수신 장치 및 신호 송수신 방법 - Google Patents
신호 송수신 장치 및 신호 송수신 방법 Download PDFInfo
- Publication number
- WO2015152635A9 WO2015152635A9 PCT/KR2015/003257 KR2015003257W WO2015152635A9 WO 2015152635 A9 WO2015152635 A9 WO 2015152635A9 KR 2015003257 W KR2015003257 W KR 2015003257W WO 2015152635 A9 WO2015152635 A9 WO 2015152635A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- service
- information
- video
- uhd
- type
- Prior art date
Links
Images
Classifications
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2362—Generation or processing of Service Information [SI]
-
- 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
- H04N13/172—Processing image signals image signals comprising non-image signal components, e.g. headers or format information
- H04N13/178—Metadata, e.g. disparity information
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
-
- 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
-
- 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
- H04N21/4347—Demultiplexing of several video streams
-
- 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
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
-
- 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
Definitions
- the present invention relates to a signal transmission and reception apparatus and a signal transmission and reception method.
- UHD ultra high definition
- An object of the present invention is to provide a signal transmission / reception method and a signal transmission / reception apparatus capable of being compatible with existing HD broadcasting while providing an ultra high resolution video broadcasting service.
- Another object of the present invention is to provide a signal transmission / reception method and a signal transmission / reception apparatus capable of providing an additional service required for an ultra high resolution video broadcasting service.
- the subtitle can be expressed in accordance with the ultra-high definition video broadcasting service, It provides a signal transmission and reception method and a signal transmission and reception apparatus.
- Another object of the present invention is not only to signal that the targeted service is a UHD service or / and 3DTV service, but also to switch between the UHD service and 3DTV service identified in the receiver by transmitting and receiving link information of the UHD service and 3DTV service It is to provide a signal transmission and reception method and a signal transmission and reception apparatus.
- the present invention relates to a signal transmission and reception apparatus and a signal transmission and reception method.
- An embodiment of the present invention provides a method of encoding video service data (S110), wherein the video service data includes UHD video service data and generates signaling information, wherein the signaling information is a service describing a service.
- the service description information includes service information, and the service description information that defines a service type indicates that the service is an HEVC digital television service, and the service information includes information on an event related to the service, and the event information or the service.
- the technical information includes video characteristic information of the UHD video service data, the video characteristic information includes video codec information and frame rate information of the UHD video service data, and transports the signaling information and the UHD video data.
- the event information may include information indicating a type of a target service, and may include information indicating whether a service linked to an event is a simulcast servce or a time-off service apart in time.
- the type of the target service may represent a UHD service based on the UHD video service data.
- the type of the target service may represent a UHD service based on the UHD video service data.
- the step of receiving a broadcast signal for transmitting a transport stream (S210); Demodulating the broadcast signal; Demultiplexing a transport stream from the demodulated broadcast signal into signaling information and video service data;
- the signaling information includes service description information describing a service, the service description information includes service type information for determining a service type, the service type information indicates that the service is an HEVC digital television service, and the service information And information on an event related to a service, wherein the event information or the service description information includes video characteristic information of the UHD video service data, and the video characteristic information includes video codec information and frame rate of the UHD video service data.
- information decoding, and decoding the signaling information decoding the video service data based on the decoded signaling information.
- Another embodiment of the present invention provides an encoder 610 for encoding video service data, wherein the video service data includes UHD video service data, and signaling information encoder 620 for generating signaling information, wherein the signaling
- the information includes service description information describing a service, the service description information indicating a service type indicates that the service is an HEVC digital television service, and the service information includes information on an event related to the service.
- the event information or the service description information includes video characteristic information of the UHD video service data, and the video characteristic information includes video codec information and frame rate information of the UHD video service data, and the signaling information and the UHD video
- a multiplexer 630 for multiplexing the transport stream with data;
- a channel coder 640 for channel coding the transport stream;
- a transmitter 650 for modulating the transport stream and transmitting the modulated stream.
- a receiver 701 for receiving a broadcast signal for transmitting a transport stream;
- a demodulator 705 for demodulating the broadcast signal;
- a demultiplexer 710 demultiplexes a transport stream from the demodulated broadcast signal into signaling information and video service data;
- the signaling information includes service description information describing a service, the service description information includes service type information for determining a service type, the service type information indicates that the service is an HEVC digital television service, and the service information And information on an event related to a service, wherein the event information or the service description information includes video characteristic information of the UHD video service data, and the video characteristic information includes video codec information and frame rate of the UHD video service data.
- a signaling information decoding unit 720 including information and decoding the signaling information;
- a video decoder 730 that decodes the video service data based on the decoded signaling information.
- the present invention while providing an ultra high resolution video broadcasting service, it may be compatible with existing HD broadcasting.
- the subtitle can be controlled to be displayed according to the ultra high resolution video broadcasting service.
- the target service is a UHD service or / and 3DTV service
- the target service is a UHD service or / and 3DTV service
- FIG. 1 is a diagram illustrating an example of a signal transmission method according to an embodiment of the present invention.
- FIG. 2 is a diagram illustrating an embodiment of a signal transmission and reception apparatus according to the present invention.
- FIG. 3 is a diagram illustrating signaling information according to an embodiment of the present invention.
- FIG. 4 is a diagram illustrating another signaling information according to an embodiment of the present invention.
- FIG. 5 is a diagram illustrating a video feature according to the Stream_content and component_type field values described above.
- FIG. 6 is a diagram illustrating another signaling information according to an embodiment of the present invention.
- FIG. 7 illustrates information included in linkage_descriptor illustrated above (indicated by advanced_event_linkage_info ()) as an example of a method of signaling a UHD broadcast service or an event using link information.
- FIG. 8 illustrates, as another embodiment according to the present invention, an example of signaling a subtitle stream for a UHD service.
- FIG. 10 is a diagram illustrating a method of signaling a linked target service included in signaling information.
- FIG. 11 is a diagram illustrating another embodiment of providing link information of a target service according to an embodiment of the present invention.
- FIG. 12 is a diagram illustrating a link type of a target service according to an embodiment of the present invention.
- FIG. 13 is a diagram illustrating detailed information of a target service among target information according to an embodiment of the present invention.
- FIG. 14 is a diagram illustrating detailed information of a target service among link information according to an embodiment of the present invention.
- FIG. 15 is a diagram illustrating bit depth information included in detailed information of a target service among link information according to an embodiment of the present invention.
- 16 is a diagram illustrating color space information included in detailed information of a target service among link information according to an embodiment of the present invention.
- 17 is a diagram illustrating dynamic range information included in detailed information of a target service among link information according to an embodiment of the present invention.
- FIG. 18 is a diagram illustrating frame rate information included in detailed information of a target service among link information according to an embodiment of the present invention.
- 19 is a diagram illustrating codec information included in detailed information of a target service among link information according to an embodiment of the present invention.
- 20 is a diagram illustrating 3D format information included in detailed information of a target service among link information according to an embodiment of the present invention.
- 21 is a diagram illustrating another example of link information of a target service according to an embodiment of the present invention.
- 22 is a diagram illustrating another example of link information of a target service according to an embodiment of the present invention.
- 23 illustrates type information of a target service among link information of the target service according to an embodiment of the present invention.
- 24 illustrates codec type information of link information of a target service according to an embodiment of the present invention.
- 25 illustrates tier information of a target service codec of a target service among link information of the target service according to an embodiment of the present invention.
- 26 exemplifies dynamic range information of link information of a target service according to an embodiment of the present invention.
- FIG. 27 illustrates color gamut information of a target service among link information of the target service according to an embodiment of the present invention.
- FIG. 28 illustrates an embodiment of a signal receiving apparatus according to an embodiment of the present invention.
- 29 is a diagram illustrating an embodiment of a signal receiving method according to the present invention.
- FIG. 30 is a diagram illustrating an embodiment of a signal transmission apparatus according to the present invention.
- FIG. 31 is a diagram illustrating an embodiment of a signal receiving apparatus according to the present invention.
- FIG. 1 is a diagram illustrating an example of a signal transmission method according to an embodiment of the present invention.
- Video service data is encoded (S110).
- the video service data may include UHD video service data, and the UHD video data may have a resolution of 4K, 8K, 16K, or the like.
- the service description information may include service type information that defines the type of service.
- the service description information is described in detail with reference to FIG. 3. If the service type information has a specific value, the service type information may indicate that it is a HEVC digital television service provided by the UHD video service data.
- the signaling data may include information representing characteristics of the UHD video data.
- the signaling information may include event information that provides information about an event related to services.
- the signaling data may include link information for a target service that may be linked with the current service. Detailed examples thereof will be described with reference to FIGS. 7, 11, 21, 22, and the like.
- the signaling information includes service description information describing a service
- the service description information includes a first descriptor having service type information defining a service type, and when the service type has a first coding value, The first coding value indicates that the service is an HEVC digital television service.
- the service information may include information about an event related to a service.
- the event information or the service description information may include a second descriptor, and the second descriptor information may include video characteristic information of the UHD video service data.
- the video characteristic information may include video codec information and frame rate information of UHD video service data.
- the event information includes a third descriptor, the third descriptor includes information indicating the type of the target service, and the third descriptor indicates whether the service linked to the event is a simulcast service or a time-off service timed apart. May be referred to.
- the type of target service may represent a UHD service based on the UHD video service data.
- the type of target service may represent a UHD service based on the UHD video service data.
- the event information may include a third descriptor, and the third descriptor may include information indicating a type of a link.
- Information indicating the type of link may indicate that the link service is a UHD service and / or a 3DTV service.
- the signaling data and the UHD video data are multiplexed into a transport stream (S130).
- the multiplexed transport stream performs channel coding (S140).
- the transport stream is modulated and a broadcast signal for transmitting the modulated stream is transmitted (S150).
- the signaling information may include event information that provides information about an event related to services.
- the event information includes a descriptor, which may include information indicating the type of target service.
- FIG. 2 is a diagram illustrating an embodiment of a signal transmission and reception apparatus according to the present invention.
- the content provider 100 may generate UHD video as content.
- UHD video For example, a 4K UHD video camera is used to generate a UHD video providing a UHD broadcasting service.
- the transmitter 200 includes a video encoder 210, a multiplexer 220, and a channel coding and modulator 230.
- the video encoder 210 compresses and encodes a UHD video.
- a coding scheme such as HEVC may be used to encode 4K UHD video.
- the multiplexer 220 outputs a transport stream by multiplexing another stream such as an encoded UHD video stream and an audio stream and signaling information described below.
- the channel coding and modulator 230 channel-codes and multiplexs the transport stream and transmits the broadcast stream as a broadcast signal.
- the receiver 300 includes a demodulator 310, a demultiplexer 320, and a video decoder 330.
- the demodulator 310 receives the transmitted broadcast signal, demodulates it, and outputs a transport stream.
- the demultiplexer 320 may demultiplex a transport stream and output a video stream, an audio stream, and signaling information described below.
- the video decoder 330 may decode ultra high definition (UHD) video.
- UHD ultra high definition
- 4K UHD video processing may be performed by decoding 4K UHD video (B).
- the receiver may perform video processing for display such as image quality processing and frame rate conversion on the decoded video.
- UHD video broadcasting for example, 4K resolution broadcasting service may be transmitted.
- the channel for transmitting the UHD video service may include, for example, information indicating a 4K UHD video service.
- information that a current or future broadcast event includes a UHD video service such as 4K is also transmitted.
- detailed information about elements of UHD video such as 4K may also be transmitted, such as a video coding profile.
- information about a UHD video service or event such as 4K, which is linked with an existing service or event such as HD, can be delivered.
- a UHD video service or event such as 4K
- information about a UHD video service or event such as 4K, which is linked with an existing service or event such as HD
- the number of the channel number for the interworking channel not only the number of the channel number for the interworking channel but also information such as physical characteristics of the corresponding channel (physical medium type, modulation type, etc.) may be transmitted.
- FIG. 3 is a diagram illustrating signaling information according to an embodiment of the present invention. This figure illustrates a service description table (SDT) of service information (SI) as signaling information.
- SDT service description table
- the information included in the SDT is described as follows.
- the table_id field represents an identifier of a table.
- section_syntax_indicator field is a 1-bit field set to 1 for an SDT table section (section_syntax_indicator: The section_syntax_indicator is a 1-bit field which shall be set to "1")
- section_length This is a 12-bit field, the first two bits of which shall be "00" .It specifies the number of bytes of the section, starting immediately following the section_length field and including the CRC. The section_length shall not exceed 1 021 so that the entire section has a maximum length of 1 024 bytes.
- transport_stream_id This is a 16-bit field which serves as a label for identification of the TS, about which the SDT informs, from any other multiplex within the delivery system.
- the version_number field indicates the version number of this subtable.
- version_number This 5-bit field is the version number of the sub_table.
- the version_number shall be incremented by 1 when a change in the information carried within the sub_table occurs.When it reaches value "31", it wraps around to "0" .
- the version_number shall be that of the currently applicable sub_table.
- the version_number shall be that of the next applicable sub_table.
- section_number This 8-bit field gives the number of the section.
- the section_number of the first section in the sub_table shall be "0x00" .
- the section_number shall be incremented by 1 with each additional section with the same table_id, transport_stream_id, and original_network_id.
- last_section_number This 8-bit field specifies the number of the last section (that is, the section with the highest section_number) of the sub_table of which this section is part.
- service_id This is a 16-bit field which serves as a label to identify this service from any other service within the TS.
- the service_id is the same as the program_number in the corresponding program_map_section.
- EIT_schedule_flag This is a 1-bit field which when set to "1" indicates that EIT schedule information for the service is present in the current TS , see TR 101 211 [i.2] for information on maximum time interval between occurrences of an EIT schedule sub_table). If the flag is set to 0 then the EIT schedule information for the service should not be present in the TS.
- EIT_present_following_flag This is a 1-bit field which when set to "1" indicates that EIT_present_following information for the service is present in the current TS, see TR 101 211 [i.2] for information on maximum time interval between occurrences of an EIT present / following sub_table.If the flag is set to 0 then the EIT present / following information for the service should not be present in the TS.
- the running_status field may refer to the state of the service defined in Table 6 of the DVB-SI document.
- running_status This is a 3-bit field indicating the status of the service as defined in table 6.For an NVOD reference service the value of the running_status shall be set to "0".
- free_CA_mode This 1-bit field, when set to “0" indicates that all the component streams of the service are not scrambled.When set to "1" it indicates that access to one or more streams may be controlled by a CA system.
- descriptors_loop_length field indicates the length of the following descriptor (descriptors_loop_length: This 12-bit field gives the total length in bytes of the following descriptors).
- CRC_32 This is a 32-bit field that contains the CRC value that gives a zero output of the registers in the decoder
- the descriptors_loop_length field may have various descriptors located in the descriptor at the following descriptor location, and it may signal whether or not UHD service is transmitted on the corresponding channel.
- service_descriptor may be located in the descriptor of the corresponding location.
- the service_descriptor is exemplified as follows.
- Descriptor_tag may include an identifier for identifying this descriptor, and descriptor_length indicates the length of the descriptor.
- the service_type may signal whether the UHD video service is transmitted to the corresponding service or channel.
- Service_provider_name_length indicates the length of the service provider name represented by the next char.
- Service_name_length indicates the length of the service name indicated by the next char field.
- the service_type of the UHD broadcasting service may be allocated to the following values.
- service_type When service_type is 0x20, it represents UHD digital television service (4K) using AVC / H.264.
- service_type is 0x21, this indicates a UHD digital television service (4K) using HEVC.
- service_type When service_type is 0x22, it represents UHD digital television service (8K) using AVC / H.264.
- service_type is 0x23
- the signaling information according to an embodiment of the present invention, information on which UHD service is transmitted on a channel can be obtained.
- the UHD service may be signaled at the service level.
- FIG. 4 is a diagram illustrating another signaling information according to an embodiment of the present invention. This figure illustrates an event information table (EIT) of service information (SI) as signaling information.
- EIT event information table
- SI service information
- table_id represents a table identifier
- section_syntax_indicator field is a 1-bit field set to 1 for an EIT table section (section_syntax_indicator: The section_syntax_indicator is a 1-bit field which shall be set to "1").
- section_length This is a 12-bit field.It specifies the number of bytes of the section, starting immediately following the section_length field and including the CRC.The section_length shall not exceed 4 093 so that the entire section has a maximum length of 4 096 bytes.
- service_id This is a 16-bit field which serves as a label to identify this service from any other service within a TS.
- the service_id is the same as the program_number in the corresponding program_map_section.
- the version_number field indicates the version number of this subtable.
- version_number This 5-bit field is the version number of the sub_table.
- the version_number shall be incremented by 1 when a change in the information carried within the sub_table occurs.When it reaches value 31, it wraps around to 0.When the current_next_indicator is set to "1”, then the version_number shall be that of the currently applicable sub_table.When the current_next_indicator is set to "0”, then the version_number shall be that of the next applicable sub_table.
- section_number This 8-bit field gives the number of the section.
- the section_number of the first section in the sub_table shall be "0x00" .
- the section_number shall be incremented by 1 with each additional section with the same table_id, service_id, transport_stream_id, and original_network_id.
- the sub_table may be structured as a number of segments.With each segment the section_number shall increment by 1 with each additional section, but a gap in numbering is permitted between the last section of a segment and the first section of the adjacent segment.
- last_section_number This 8-bit field specifies the number of the last section (that is, the section with the highest section_number) of the sub_table of which this section is part.
- transport_stream_id This is a 16-bit field which serves as a label for identification of the TS, about which the EIT informs, from any other multiplex within the delivery system.
- segment_last_section_number This 8-bit field specifies the number of the last section of this segment of the sub_table.For sub_tables which are not segmented, this field shall be set to the same value as the last_section_number field.
- the last_table_id field is (last_table_id: This 8-bit field identifies the last table_id used (see table 2).)
- event_id This 16-bit field contains the identification number of the described event (uniquely allocated within a service definition).
- the start_time field contains the start time of the event (start_time: This 40-bit field contains the start time of the event in Universal Time, Co-ordinated (UTC) and Modified Julian Date (MJD) (see annex C). is coded as 16 bits giving the 16 LSBs of MJD followed by 24 bits coded as 6 digits in 4-bit Binary Coded Decimal (BCD) . If the start time is undefined (eg for an event in a NVOD reference service) all bits of the field are set to "1".)
- running_status This is a 3-bit field indicating the status of the event as defined in table 6. For an NVOD reference event the value of the running_status shall be set to "0".
- free_CA_mode This 1-bit field, when set to “0" indicates that all the component streams of the event are not scrambled.When set to “1” it indicates that access to one or more streams is controlled by a CA system.
- descriptors_loop_length field indicates the length of the following descriptor. (descriptors_loop_length: This 12-bit field gives the total length in bytes of the following descriptors.)
- CRC_32 This is a 32-bit field that contains the CRC value that gives a zero output of the registers in the decoder
- the component_descriptor may be included in the descriptor position after the descriptors_loop_length field.
- the component descriptor is located in the EIT (or descriptor loop of SDT) and informs the characteristics of the video (and audio) stream included in the corresponding event.
- the receiver can use this information to determine if the event can be decoded.
- the receiver may signal information about the feature of the UHD video stream using the stream_content field and the component_type field in the component_descriptor. That is, a video feature including a codec type of a video stream included in a corresponding event (or service) may be identified using the stream_content and component_type fields.
- the component_descriptor includes a descriptor_tag including an identifier for identifying this descriptor and a descriptor_length indicating the length of the descriptor.
- the Stream_content field indicates the type of the stream
- the Component_type field indicates the video or audio data type. Combinations of the types of streams or components along these two fields are described in detail later.
- Component_tag has the same value as the component_tag field of the stream identifier descriptor.
- the ISO_639_language_code field identifies the language of the component.
- the Text_char field represents a text description of the component stream.
- Information on the characteristics of the UHD video stream may be signaled using the Stream_content and component_type fields. Accordingly, the receiver may know a video feature including the codec type of the UHD video stream included in the corresponding event (or service) using the stream_content and component_type fields of the received SDT, and may express the service using the video feature. According to an embodiment of the present invention, UHD service may be signaled at an event level.
- FIG. 5 is a diagram illustrating a video feature according to the Stream_content and component_type field values described above.
- this embodiment illustrates video features based on a stream transmitting video in a chroma format of 4: 2: 0 sampling.
- the stream_content field is 0x05 for a particular stream
- the component_type field value is 0x90
- the component transmitted in the stream is an H.264 / AVC codec, resolution 4K UHD video, aspect ratio 16: 9, and frame rate Represents video data at 25 Hz.
- the component transmitted in the stream has an H.264 / AVC codec, 4K UHD video with a resolution of 16: 9, a wide screen aspect ratio of 16: 9 or higher, and a frame rate of 25 Hz. Represents video data.
- the component transmitted in the stream represents video data having an H.264 / AVC codec, resolution 4K UHD video, aspect ratio 16: 9, and frame rate 30Hz. .
- the component transmitted in the stream has an H.264 / AVC codec, resolution 4K UHD video, a wide screen aspect ratio having an aspect ratio of 16: 9 or higher, and a frame rate of 30 Hz. Represents video data.
- the stream_content field is 0x09 for a particular stream
- the component_type field value is 0x01
- the component transmitted in the stream is HEVC codec, resolution 4K UHD video, aspect ratio 16: 9, frame rate 25Hz, bit-depth. Represents video data whose format is 8 bits.
- the component transmitted in the stream is HEVC codec, resolution 4K UHD video, wide screen aspect ratio with aspect ratio 16: 9 or higher, frame rate This 25Hz, bit-depth format represents 8-bit video data.
- Video features transmitted by other video components may signal as illustrated in this figure.
- This example is illustrated based on a video stream in 4: 2: 0 chroma format.
- the example list may be extended to add 12-bit mode.
- the component_type value may have a value of 0x11 to 0x18 depending on a combination of codec, resolution, aspect ratio, and frame rate.
- the component_type value may be assigned a value of 0x19 to 0x30 according to a combination of codec, resolution, aspect ratio, and frame rate.
- a component_type value may be assigned a value of 0x31 to 0x60 according to a combination of codec, resolution, aspect ratio, and frame rate.
- the codec information of the UHD video may be transmitted based on a combination of the Stream_content and component_type field values.
- Codec information of the UHD video may include HEVC 4K information.
- aspect ratio information may be described based on a combination of the Stream_content and component_type field values of the EIT or the SDT.
- Aspect ratio information may include 16: 9, wide screen, and the like.
- frame rate information or bit depth information may be described based on a combination of Stream_content and component_type field values.
- the frame rate information may describe 25 Hz, 30 Hz, 50 Hz, 60 Hz information
- the bit depth information may describe information such as 8 bits and 10 bits.
- the following example discloses an example of signaling information about a UHD broadcast corresponding to the current broadcast at an event level.
- FIG. 6 is a diagram illustrating another signaling information according to an embodiment of the present invention. This figure is a diagram illustrating linkage_descriptor () as an example of link information included in an event information table (EIT) of service information (SI).
- EIT event information table
- SI service information
- the transport_stream_id field is an identifier for identifying a TS including an information service
- the original_network_id field represents a network identifier of an original transmission system of the information service.
- the service_id field identifies an information service in the TS.
- the linkage_type field represents a linkage type for linking an information service or the like.
- Another embodiment for notifying information about a UHD broadcast corresponding to a broadcast service currently viewed by a user is as follows.
- a new allocation value 0x0F may be used for the linkage_type value.
- 0x0E can be used to inform a corresponding HD service or 3D service in a UHD event or service.
- linkage_type field is 0x0F
- information (advanced_event_linkage_info ()) capable of signaling a UHD event / service may be included.
- a descriptor capable of signaling a UHD event / service will be described in detail with reference to the following drawings.
- link_type field is 0x0F
- another type of information extended_event_linkage_info ()
- extended_event_linkage_info is used instead of the above-described information (advanced_event_linkage_info ()) to signal a UHD event / service.
- a new linkage_type value for example, 0x0F
- link_type and linkage_type values is used to indicate that the target or linked event / service is a UHD service.
- the existing information can be utilized to ensure more compatibility.
- the UHD service may be indicated by using a link_type field added to the information.
- link_type field of extended_event_linkage_info () which is information that can be included in the EIT is 2-bit
- detailed profile information about the UHD service can be briefly signaled. In this case, for example, if link_type is 0, it signals 4K UHD, 8-bit, 4: 2: 0 sampling video, and if link_type is 1, 4K UHD, 10-bit, 4: 2: 2 sampling video. If the link_type is 2, 4K UHD, 12-bit, 4: 2: 2 sampling video can be signaled. Detailed examples thereof will be described later.
- FIG. 7 illustrates information included in linkage_descriptor illustrated above (indicated by advanced_event_linkage_info ()) as an example of a method of signaling a UHD broadcast service or an event using link information.
- linkage_type field is 0x0F
- information (advanced_event_linkage_info ()) signaling a UHD broadcast service or an event which is a target service may be included in linkage_descriptor which is link information.
- the num_link_event field may indicate the number of links.
- the link_simulcast field indicates whether a corresponding event or service is broadcast simultaneously with the current event / service. For example, if this value is '1', it means that it is broadcasted without time difference. Therefore, it may refer to whether the service linked to the event is a simulcast servce or a time-off service apart in time.
- the link_delivery_type field may indicate the type of a path on which a corresponding event or service is broadcast (terrestrial wave, satellite, cable, IP, etc.). If the corresponding event or service is the same path or the same way, a value of '001' may be specified.
- the transmission parameters for example, parameters related to the modulation method
- information corresponding to the path can be specified (for example, a value between '010' and '100') and detailed through delivery_detail_info ().
- Parameter information can be signaled.
- the link_delivery_type field may signal the same transmission path, cable, IP or terrestrial wave of the same event.
- the following UHD video information may be represented according to each value.
- link_event_id, link_original_network_id, link_transport_stream_id, and link_service_id fields indicate an event identifier (event_id), original_network_id, transport_stream_id, and service_id for a corresponding event or service, respectively.
- delivery_detail_info () indicates a physical transmission parameter for an event or service to be linked.
- delivery_detail_info () may signal information such as modulation scheme, frequency information, FEC scheme, etc. of event data transmitted using this.
- time_shift_detail_info signals information about the time information when there is a time difference with the current event or service for the linked event or service.
- a field indicating how much time is broadcast in minutes may be included.
- the event_id and time information for the event identified by this event_id may be referred to from the associated EIT.
- FIG. 8 illustrates, as another embodiment according to the present invention, an example of signaling a subtitle stream for a UHD service.
- the corresponding subtitle may be a subtitle stream having 4K UHD resolution.
- subtitle_descriptor () may be included in the descriptor position of the PMT.
- FIG. 9 illustrates subtitle_descriptor () as an example of signaling information describing a subtitle stream as another embodiment according to the present invention.
- subtitle_descriptor () is signaling information describing a subtitle stream for UHD service and may be located in a PMT or the like.
- Descriptor tag or descriptor_length indicates an identifier and a length of this descriptor, respectively.
- the ISO_639_language_code field indicates a character language code of a language of a subtitle.
- the subtitling_type field represents information about a display and subtitle content. For example, if the subtitling_type is 0x16, the subtitle may be a subtitle stream having 4K UHD resolution.
- composition_page_id field represents information for identifying a composition page.
- the ancillary_page_id field represents information for identifying an additional (selection) page.
- a parameter for defining a window for the sub title may be defined as follows in the sub title stream.
- a position (display_window_horizontal_position_minimum) of the leftmost pixel of the subtitle positioned relative to the leftmost pixel of the display may be defined as 960.
- a position (display_window_horizontal_position_minimum) of the rightmost pixel of the subtitle positioned relative to the rightmost pixel of the display may be defined as 2879.
- the position (display_window_vertical_position_minimum) of the top pixel of the subtitle positioned relative to the top pixel of the display may be defined as 540.
- the position (display_window_vertical_position_maximum) of the bottom pixel of the subtitle positioned relative to the bottom pixel of the display may be defined as 1619. These values may vary depending on the size of the resolution of the UHD service.
- FIG. 10 is a diagram illustrating a method of signaling a linked target service included in signaling information.
- linkage_type included in the linkage_descriptor which is a descriptor included in the EIT
- link_type included in the detailed link information for example, advanced_event_linkage_info () described above
- the service / event linked with the current service is used. Can be identified.
- linkage_type is 0x0E and link_type is 0 to 3, respectively, it indicates that the target service is an SD service, an HD service, a frame compatible plano-stereoscopic service, and a service compatible plano-stereoscopic MVC service, respectively.
- the EIT may include an additional linkage_descriptor having a linkage_type of a new value, and identify a targeted or linked UHD service and / or 3DTV service using the value of the link_type field and the new linkage_type value.
- Codec information MPEG-2, H.264 / AVC, H.265 / HEVC, etc.
- video related information Video profile, level, tier, dynamic range, color gamut, video resolution, frame rate, bit-depth, Information such as a display aspect ratio.
- the target service is a UHD service or / and 3DTV service
- switching between the UHD service and the 3DTV service identified in the receiver by transmitting and receiving link information of the UHD service and the 3DTV service You can make it possible.
- FIG. 11 is a diagram illustrating another embodiment of providing link information of a target service according to an embodiment of the present invention.
- the target_event_id field indicates an identifier of a target event, and the target_listed field indicates whether a service defined by original_network_id, transport_stream_id, and service_id is included in the SDT.
- the event_simulcast field indicates whether a target event and a source event are simultaneously transmitted (simulcast).
- the target_id_type field may be used to identify the target service or services together with the original_network_id_flag field and the service_id_flag field.
- the original_network_id_flag field indicates whether a target_original_network_id field should be used instead of original_network_id when determining a target service.
- the service_id_flag field indicates whether target_service_id should be used instead of service_id when determining the target service.
- the extended_link_type field may indicate a link type of the target service. The value of this field is illustrated in detail later.
- the target service is a UHD service according to the extended_link_type field value
- information about the UHD service stream (uhd_stream_info_details ()) is included or when the target service is a 3D service, information about the 3D service stream may be included. This will be described later in detail.
- the link service can signal the UHD or / and 3DTV service.
- the link type of the target service indicates UHD-1 phase 1, UHD-1 phase 2, UHD-2, 3DTV phase 1, 3DTV phase 2a, 3DTV phase 2b, and 3DTV phase 3 according to the extended_link_type field value.
- This information indicates that each phase represents a service level phase for UHD or / and 3DTV and may correspond to the specification of UHD or / and 3DTV, respectively.
- the descriptor indicating the detailed information of the linked target service is expressed as XX_stream_info_details so that the name of the descriptor can be changed according to the target service.
- FIG. 13 is a diagram illustrating detailed information of a target service among target information according to an embodiment of the present invention.
- the target service is a UHD service
- an example of detailed information on the UHD service stream is shown.
- detailed information of the target service may include a uhd_bit_depth field, a uhd_color_space field, a uhd_chroma_sub_sampling field, a uhd_dynamic_range field, a uhd_frame_rate field, a uhd1_phase1_compatibility_flag field, a uhd_subtitle_type field, a uhd_audio_type field, and the reserved for future.
- the uhd_bit_depth field may indicate a category of bit depth of the target service. A detailed example of this field is described below.
- the uhd_color_space field represents a category of the color gamut type of the target service. A detailed example of this field is described below.
- the uhd_chroma_sub_sampling field represents subsampling information of chroma elements of a target service. For example, it may indicate whether the ratio Y: Cb: Cr of the target service is 4: 2: 0, 4: 2: 2, or 4: 4: 4 according to the value of this field. If extended_link_type is 0x01 (when UHD-1 phase 1), the value of this field may be a value indicating 4: 2: 0.
- the uhd_dynamic_range field is a field indicating the category of the dynamic range of the target service. A detailed example of this field is described below.
- the uhd_frame_rate field is a field indicating a frame rate of the target service. A detailed example of this field is described below.
- the uhd1_phase1_compatibility_flag field indicates whether or not the target service which is UHD is compatible with the conventional service. One bit may be allocated for this field.
- the uhd_subtitle_type field may indicate a category of an audio type of a target service. For example, if 3 bits are allocated to this field, 000 means that the audio of the target service is 5.1 channel, 001 means that the audio of the target service is 5.1 channel or more, and 010 means that the audio of the target service is object based channel. Can be represented. In this way, the field values may be used to refer to audio types of the target service.
- the uhd_audio_type field may indicate a category of a sub title type of the target service. For example, if 4 bits are allocated to this field, a value of 0x0 indicates that the subtitle type of the target service is an EBU teletext subtitle, a value of 0x1 indicates that the subtitle type of the target service is a DVB subtitle, and a value of 0x2 indicates a subtitle of the target service.
- the title type may indicate that the xml format subtitle and a 0x3 value may indicate that the subtitle type of the target service is closed caption. As such, subfield types of the target service may be referred to using the field value.
- FIG. 14 is a diagram illustrating detailed information of a target service among link information according to an embodiment of the present invention.
- the target service is a 3DTV service
- an example of detailed information on the 3DTV service stream is shown.
- the 3d_codec_type field may indicate the 3D codec type of the target service. A detailed example of this field is described below.
- the 3d_format field may indicate a 3D format category of the target service. A detailed example of this field is described below.
- the 3d_subtitle_type field may indicate a 3D subtitle format of the target service
- the 3d_audio field may indicate a 3D audio type of the target service.
- the reserved for future use field illustrates an unused field.
- FIG. 15 is a diagram illustrating bit depth information included in detailed information of a target service among link information according to an embodiment of the present invention.
- the bit depth information of the detailed information of the target service may represent that the bit depths of the UHD video may be represented by 8, 10, 12, and 14 bit depths, respectively.
- the reserved for future use field illustrates an unused field.
- extended_link_type when extended_link_type is 0x01 (when UHD-1 phase 1), this value may refer to 001.
- bit depth of the target service may represent 10 bits.
- 16 is a diagram illustrating color space information included in detailed information of a target service among link information according to an embodiment of the present invention.
- the color space information included in the detailed information of the target service among the link information may indicate the color gamut type of the target service as illustrated.
- the illustrated color gamut type may be BT.709, DCI-P3, BT.2020 subset, BT.2020, XYZ, etc., and the reserved for future use field illustrates an unused field.
- extended_link_type is 0x01 (when UHD-1 phase 1)
- the value of uhd_color_space may refer to 000 (BT.709).
- 17 is a diagram illustrating dynamic range information included in detailed information of a target service among link information according to an embodiment of the present invention.
- the dynamic range information included in the detailed information of the target service among the link information may indicate a standard dynamic range (SDR) according to the uhd_dynamic_range value.
- SDR standard dynamic range
- it may refer to an Intermediate Dynamic Range (IDR) or an Enhanced Dynamic Range (EDR) or an eXtended Dynamic Range (XDR) according to a uhd_dynamic_range value.
- the high dynamic range (HDR) may be referred to according to the uhd_dynamic_range value. For example, when extended_link_type is 0x01 (when UHD-1 phase 1), the value of uhd_dynamic_range may indicate 000 (SDR).
- FIG. 18 is a diagram illustrating frame rate information included in detailed information of a target service among link information according to an embodiment of the present invention.
- the frame rate information of the target service may represent 50 Hz, 60 Hz, 100 Hz, 120 Hz, etc. according to the uhd_frame_rate field value.
- the value of the uhd_frame_rate field may be 000 (50HZ).
- 19 is a diagram illustrating codec information included in detailed information of a target service among link information according to an embodiment of the present invention.
- the frame rate information of the target service may indicate one codec among various video codecs according to the 3d_codec_type field value.
- This example is MPEG-2 when the 3d_codec_type field value is 0x0, H.264 / AVC when the 3d_codec_type field value is 0x1, H.265 / HEVC when the 3d_codec_type field value is 0x2, SVC when the 3d_codec_type field value is 0x3, SHVC when the 3d_codec_type field value is 0x4, MVC when the 3d_codec_type field value is 0x5, MFC when the 3d_codec_type field value is 0x6, MFC when the 3d_codec_type field value is 0x7, MV-HEVC when the 3d_codec_type field value is 0x8, and 3D-HEVC. It can be.
- the matching relationship between the field value and the codec is exemplary and can be changed.
- the 3D format information of the target service includes a frame compatible plano-stereoscopic service, a service compatible plano-stereoscopic service, a 3D service according to the 2D service and depth information according to the 3d_format field value, and a dual 3D service according to a stream (denoted as dual stream (stereo)), and 3D service according to multi view and depth information (denoted as Multi-view + depth).
- 21 is a diagram illustrating another example of link information of a target service according to an embodiment of the present invention.
- the link information of the target service may include the illustrated link information (advanced_event_linkage_info ()) according to the linkage_type field value in the linkage_descriptor included in the EIT.
- the target_event_id field, target_listed field, event_simulcast field, target_id_type field, original_network_id_flag, service_id_flag, and the like illustrated in the drawing are as described above.
- the num_of_component_types field represents the number of target event component types. If the target service is composed of two kinds of components such as video and audio, two stream_content fields and a component_type field corresponding to each service component may be included.
- the stream_content field is a content transmitted by the stream and may indicate a type such as video, audio or EBU-data
- the component_type field may indicate a type such as video, audio or EBU-data as a type of component.
- link information may be provided to identify and link all of them.
- the link information may include a link_type field, a codec_type field, a general_tier_idc field, a general_profile_idc field, a general_level_idc field, a dynamic_range_type field, a colour_gamut_type field, and the like.
- the link_type field represents a new type of target service.
- the value of this field has a different value from the link_type value of the linkage_descriptor field when the value of the linkage_type field is 0x0E or 0X0F (representing additional link information for the target service). A detailed example of this field is described below.
- the codec_type field represents a codec type of a target service. A detailed example of this field is described below.
- the general_tier_idc field represents a tier of the target service codec. For example, if the codec does not have a tier such as H.264 / AVC, the value of this field may be set to 0. A detailed example of this field is described below.
- the general_profile_idc field represents the level of the codec.
- ITU-T Recommendation H.265 The level of a codec referred to in a standard such as ISO / IEC 23008-2: 2013 may be referred to to describe a target service.
- the dynamic_range_type field represents a dynamic range category
- the colour_gamut_type field represents a color gamut type category. A detailed example of this field is described below.
- the colour_gamut_type field represents a color gamut category of the target service.
- the colour_gamut_type field indicates that the target service may be any one of color gamuts such as BT.709, DCI-P3, BT.2020 subset, BT.2020, and XYZ. A detailed example of this field is described below.
- the receiver can decode and display services that can be decoded and expressed, even if the specifications of the receiver are different.
- 23 illustrates type information of a target service among link information of the target service according to an embodiment of the present invention.
- the link_type field which is type information of the target service, of the link information of the target service is a target service that can be linked according to the field value, and indicates a new type of the target service.
- the link_type field illustrated in this figure has a value different from the link_type value of the linkage_descriptor field when the linkage_type field value is 0x0E or 0X0F (for example, indicating additional link information for the target service).
- the target service may indicate whether the target service is a 2D or 3D service according to the linkage_type field value (for example, 0x0E or 0X0F) and the link_type field value. -stereoscopic can be identified.
- the codec_type field represents a codec type of a target service. This figure illustrates the codec type of the target service according to the codec_type field value.
- codec_type MPEG-2 H.264 / AVC, H.265 / HEVC, SVC, SHVC, MVC, MFC, MV-HEVC, 3D-HEVC and the like.
- the matching relationship between the field value and the codec is exemplary and can be changed.
- the general_tier_idc field represents a tier of the target service codec. For example, if the codec does not have a tier such as H.264 / AVC, the value of this field may be set to 0.
- the general_tier_idc field may indicate tier information such as no tier, main tier, high tier, or the like.
- the dynamic_range_type field may indicate a standard dynamic range (SDR) or a high dynamic range (HDR).
- the information may refer to dynamic range information such as Intermediate Dynamic Range (IDR), Enhanced Dynamic Range (EDR), and eXtended Dynamic Range (XDR).
- IDR Intermediate Dynamic Range
- EDR Enhanced Dynamic Range
- XDR eXtended Dynamic Range
- the colour_gamut_type field represents a color gamut category of the target service.
- the colour_gamut_type field indicates that the target service is represented by one color gamut of BT.709, DCI-P3, BT.2020 subset, BT.2020, and XYZ.
- FIG. 28 illustrates an embodiment of a signal receiving apparatus according to an embodiment of the present invention.
- the signal receiving apparatus may include a demultiplexer 410, a signaling information decoder 430, and a resource decoder 500, and may optionally include a channel manager 420.
- the demultiplexer 410 may demultiplex the broadcast stream to demultiplex the signaling information, the video stream, and the audio stream, respectively.
- the signaling information decoder 430 may decode signaling information such as section data.
- the resource decoder 500 includes a video buffer 510, a video decoder 520, a video processor 530, a synchronizer 540, an audio buffer 550, an audio decoder 560, and an audio processor 570. can do.
- an embodiment of the present invention may identify a UHD service using the SDT illustrated in FIG. 3.
- the signaling information decoder 430 may identify that the UHD service is provided in the corresponding channel by using the service descriptor included in the SDT. If the component_descriptor is present, the codec type, resolution, chroma sampling, and bit depth information of the video included to provide the UHD service may be identified.
- an embodiment of the signal receiving apparatus or the resource decoder 500 may decode the video stream or the audio stream provided by the corresponding UHD service using the signal receiving apparatus. Can be determined.
- the signaling information decoder 430 may obtain, from the PMT, PID values for acquiring the video stream and the audio stream included in the corresponding service using the component_tag specified in the component_descriptor.
- the PID stream identified by the PMT can be sent to a video and audio decoder for decoding.
- An embodiment of the present invention can identify the UHD service using the above-described EIT.
- the signaling information decoder 430 identifies information on an event for providing a UHD broadcast service using the component_descriptor included in the EIT illustrated in FIGS. 4 and 5.
- the signaling information decoder 430 identifies the specification information of the video and the specification information of the audio for identifying each event included in the component_descriptor, and based on this, the embodiment of the signal receiving apparatus or the resource decoder 500 detects the corresponding event. It can be identified whether it can be decoded.
- the signaling information decoder 430 may identify a component_tag value in each stream unit in the component_descriptor, and then identify a stream matching the corresponding component_tag value using the stream_identifier_descriptor of the PMT.
- the signaling information decoder 430 may identify the PID stream matching the component_tag using the PMT at the time when the corresponding event is actually broadcast, and the resource decoder 500 may decode the video stream and the audio stream having the identified PID value. have.
- the UHD service can be identified using the linkage_descriptor illustrated above.
- An embodiment of the apparatus for receiving a signal expresses an HD event, and when a linkage descriptor for the corresponding event illustrated in FIGS. 6 and 7 exists, the signaling information decoder 430 may parse the linkage descriptor.
- the signaling information decoder 430 may identify the UHD broadcast or / and 3DTV event or service linked with the HD event.
- the signaling information decoding unit 430 may decode the information (in advanced_event_linkage_info () according to the disclosed embodiment) for identifying the linked UHD broadcast event or service in detail.
- the signaling information decoder 430 may decode specific information for receiving information on the linked UHD video or / and 3DTV service broadcast event using the information in the information (advanced_event_linkage_info ()) describing the target service.
- An embodiment of the apparatus for receiving a signal using the corresponding information may inform a user that a UHD broadcasting service corresponding to an HD event that is currently viewed is provided.
- the user may receive and express the UHD broadcast service using information in the information (advanced_event_linkage_info ()) describing the target service.
- the signaling information decoder 430 may decode link information of another target service in FIGS. 11, 21, and 22 as link information for the target service.
- the signaling information decoder 430 may decode the information included in the link information according to each embodiment to describe whether the target service is a service to which the target service can be linked.
- the signaling information includes service description information describing a service
- the service description information includes a first descriptor having service type information defining a service type, and when the service type has a first coding value, The first coding value indicates that the service is an HEVC digital television service.
- the service information may include information about an event related to a service.
- the event information or the service description information may include a second descriptor, and the second descriptor information may include video characteristic information of the UHD video service data.
- the video characteristic information may include video codec information and frame rate information of UHD video service data.
- the event information includes a third descriptor, the third descriptor includes information indicating the type of the target service, and the third descriptor indicates whether the service linked to the event is a simulcast service or a time-off service timed apart. May be referred to.
- the resource decoder 500 may include a video buffer 510, a video decoder 520, a video processor 530, a synchronizer 540, an audio buffer 550, an audio decoder 560, and an audio processor 570. Can be.
- the video stream demultiplexed by the demultiplexer 410 may be input to the video buffer 510.
- the video stream may be a PES packet including a UHD video elementary stream.
- the video buffer 510 may temporarily store video data of the input video stream.
- the video decoder 520 may receive video data stored in the video buffer 510 in predetermined units and perform video decoding. For example, this example illustrates a decoder that decodes 4K video data, but can also output video data such as 8K or 16K.
- the video decoder 520 may decode the corresponding video data according to the characteristics of the video data based on the decoded signaling information.
- the video processor 530 may perform post-processing on the decoded video data. Through this, the decoded video data can be adjusted to be displayed naturally.
- the audio stream demultiplexed by the demultiplexer 410 may be input to the audio buffer 550.
- the audio stream may be a PES packet including a UHD audio elementary stream.
- the audio buffer 510 may temporarily store the input audio data.
- the audio decoder 560 receives audio data stored in the audio buffer 510 in a predetermined unit to perform audio decoding, and the audio processor 570 may perform post-processing on the decoded audio data.
- the synchronization unit 540 may synchronize and output two types of decoded data so that the data output from the video processor 530 and the audio processor 570 may be displayed on the same screen.
- Embodiments of the invention may optionally include a channel manager 420.
- the channel manager 420 may control information required for channel conversion based on the signaling information decoded by the signaling information decoder 430. For example, when a user transmits a channel conversion signal, the user may receive the channel conversion signal and control the channel conversion. Alternatively, the channel manager 420 may perform the operation related to the channel by generating whether the specific channel can be received or the channel list using the signaling information.
- 29 is a diagram illustrating an embodiment of a signal receiving method according to the present invention.
- a broadcast signal for transmitting a transport stream including signaling data and video data is received.
- the received broadcast signal is demodulated (S205).
- Receive signaling information capable of signaling a service according to UHD video or / and 3DTV service data and UHD video or / and 3DTV service data included in a broadcast signal, and receive the received UHD video or / and 3DTV service data and signaling information. Demultiplex each (S210).
- the multiplexed broadcast signal may include a subtitle stream for UHD service.
- the subtitle stream may include information on a subtitle stream for UHD video and / or 3DTV service, and information identifying the subtitle stream for UHD video or / and 3DTV service among demultiplexed signaling information is shown in FIG. 8. And described in FIG. 9.
- the demultiplexed signaling information is decoded (S220). Demultiplexed signaling information has been described with reference to FIGS. 3, 4, 5, 6, 7, 11, 21, and 22.
- the UHD video service included in the video data may be identified using linkage_descriptor (linkage_type and link_type) included in the SDT, the EIT, or the EIT.
- the signaling information may be used to signal the target service to identify the UHD video or / and 3DTV service.
- the demultiplexed UHD video data is decoded based on the decoded signaling information (S230).
- UHD video data can be decoded.
- FIG. 30 is a diagram illustrating an embodiment of a signal transmission apparatus according to the present invention.
- Encoder 610 encodes UHD video data.
- the encoded UHD video data may have a resolution of 4K, 8K, 16K, or the like.
- the signaling information coder 620 encodes the UHD broadcast service based on the UHD video data, the characteristics of the encoded UHD video data, and the signalable information.
- An example of signaling a UHD video service has been described with reference to FIGS. 3, 4, 5, 6, 7, 11, 21, 22, and the like. Characteristics of encoded UHD video data are illustrated in FIG. 5.
- the signaling information may include link information for linking the target service.
- the signaling information includes service description information describing a service
- the service description information includes a first descriptor having service type information defining a service type, and when the service type has a first coding value, The first coding value indicates that the service is an HEVC digital television service.
- the service information may include information about an event related to a service.
- the event information or the service description information may include a second descriptor, and the second descriptor information may include video characteristic information of the UHD video and / or 3DTV service data.
- the video characteristic information may include video codec information and frame rate information of UHD video and / or 3DTV service data.
- the event information includes a third descriptor, the third descriptor includes information indicating the type of the target service, and the third descriptor indicates whether the service linked to the event is a simulcast servce or a time-off service timed apart. May be referred to.
- the type of target service may represent a UHD service based on the UHD video service data.
- the event information may include a third descriptor, and the third descriptor may include information indicating a type of a link.
- the multiplexer 630 multiplexes and transmits the encoded UHD and signaling information.
- the multiplexed broadcast signal may include a subtitle stream for UHD service.
- the subtitle stream may include information on the subtitle stream for the UHD service, and information identifying the subtitle stream for the UHD service among demultiplexed signaling information has been described with reference to FIGS. 8 and 9.
- the multiplexed subtitle stream may include information about the corresponding subtitle.
- a parameter for defining a window for a subtitle may be defined as follows in the subtitle stream.
- a position (display_window_horizontal_position_minimum) of the leftmost pixel of the subtitle positioned relative to the leftmost pixel of the display may be defined as 960.
- a position (display_window_horizontal_position_minimum) of the rightmost pixel of the subtitle positioned relative to the rightmost pixel of the display may be defined as 2879.
- the position (display_window_vertical_position_minimum) of the top pixel of the subtitle positioned relative to the top pixel of the display may be defined as 540.
- the position (display_window_vertical_position_maximum) of the bottom pixel of the subtitle positioned relative to the bottom pixel of the display may be defined as 1619. These values may vary depending on the size of the resolution of the UHD service.
- the parameters may have a window position value for a subtitle according to the UHD service.
- the channel coding unit 640 may channel code the transport stream.
- the transmitter 650 may modulate the transport stream and transmit the modulated stream.
- FIG. 31 is a diagram illustrating an embodiment of a signal receiving apparatus according to the present invention.
- the receiver 701 receives a broadcast signal for transmitting a transport stream including signaling data and video data.
- the demodulator 705 demodulates the received broadcast signal.
- the demultiplexer 710 receives UHD video data included in the broadcast signal and signaling information capable of signaling a service according to the UHD video data, and demultiplexes the received UHD video data and signaling information, respectively.
- the demultiplexer 710 is as illustrated in FIG. 28.
- the multiplexed broadcast signal may include a subtitle stream for UHD service.
- the subtitle stream may include information on the subtitle stream for the UHD service, and information identifying the subtitle stream for the UHD service among demultiplexed signaling information has been described with reference to FIGS. 8 and 9.
- the signaling information decoder 720 decodes the demultiplexed signaling information.
- the demultiplexed signaling information has been described with reference to FIGS. 3, 4, 5, 6, 7, 11, 21, and 22.
- FIG. For example, the linkage_descriptor included in the SDT, the EIT, or the EIT may be used to identify the UHD video and / or 3DTV service included in the video data.
- the demultiplexed signaling information may include information about a subtitle stream for UHD video or / and 3DTV service, which has been described with reference to FIGS. 8 and 9.
- the demultiplexed signaling information may include link information for linking the target service.
- the signaling information includes service description information describing a service
- the service description information includes a first descriptor having service type information defining a service type, and when the service type has a first coding value, The first coding value indicates that the service is an HEVC digital television service.
- the service information may include information about an event related to a service.
- the event information or the service description information may include a second descriptor, and the second descriptor information may include video characteristic information of the UHD video and / or 3DTV service data.
- the video characteristic information may include video codec information and frame rate information of UHD video service data.
- the event information includes a third descriptor, the third descriptor includes information indicating the type of the target service, and the third descriptor indicates whether the service linked to the event is a simulcast servce or a time-off service timed apart. May be referred to.
- the type of target service may indicate that the UHD video and / or 3DTV service is performed by the UHD video and / or 3DTV service data.
- the type of target service may indicate that the UHD video and / or 3DTV service is performed by the UHD video and / or 3DTV service data.
- the event information may include a third descriptor, and the third descriptor may include information indicating a type of a link. Therefore, an embodiment of the present invention can identify a target service UHD video or / and 3DTV service by using a combination of linkage_type and link_type according to link information.
- the signaling information decoder 720 is as illustrated in FIG. 28.
- the video decoder 730 decodes the demultiplexed UHD video data based on the decoded signaling information.
- the video decoder 730 may decode the subtitle data included in the subtitle stream for the UHD service.
- the video decoder 730 may follow the example illustrated in FIG. 10.
- the target service is a UHD service or / and 3DTV service
- the link information of the UHD service and the 3DTV service can be transmitted and received to switch between the UHD service and the 3DTV service identified in the receiver can do.
- the present invention has industrial applicability that is usable and repeatable in the field of broadcast and video signal processing.
Abstract
Description
Claims (15)
- 비디오 서비스 데이터를 인코딩하는 단계(S110), 여기서 상기 비디오 서비스 데이터는 UHD 비디오 서비스를 데이터를 포함하고,시그널링 정보를 생성하는 단계, 여기서 상기 시그널링 정보는 서비스를 기술하는 서비스 기술 정보를 포함하고, 상기 서비스 기술 정보는 서비스 타입을 정하는 서비스 타입 정보는 상기 서비스가 HEVC 디지털 텔레비전 서비스임을 나타내고,상기 서비스 정보는 서비스와 관련된 이벤트에 대한 정보를 포함하고,상기 이벤트 정보 또는 상기 서비스 기술 정보는 상기 UHD 비디오 서비스 데이터의 비디오 특성 정보를 포함하고,상기 비디오 특성 정보는 상기 UHD 비디오 서비스 데이터의 비디오 코덱 정보 및 프레임 레잇 정보를 포함하고,상기 시그널링 정보와 상기 UHD 비디오 데이터를 트랜스포트 스트림을 다중화하는 단계(S130);상기 트랜스포트 스트림을 채널코딩하는 단계(S140); 및상기 트랜스포트 스트림을 변조하고, 상기 변조된 스트림을 전송하는 단계(S150)을 포함하는 신호 송신 방법.
- 제 1항에 있어서, 상기 이벤트 정보는 타겟 서비스의 타입을 지칭하는 정보를 포함하고, 이벤트에 링크된 서비스가 simulcast servce인지 또는 시간적으로 떨어진 time-off 서비스인지를 지칭하는 정보를 포함하는 신호 송신 방법.
- 제 2항에 있어서,상기 타겟 서비스의 타입은 상기 UHD 비디오 서비스 데이터에 의한 UHD 서비스임을 나타내는 신호 송신 방법.
- 제 1항에 있어서,상기 이벤트 정보는 타겟 서비스의 링크의 정보를 포함하고,상기 링크 정보는 상기 타겟 서비스가 UHD 서비스 또는/및 3DTV 서비스임을 나타내는 신호 송신 방법.
- 트랜스포트 스트림을 전송하는 방송 신호를 수신하는 단계(S210);상기 방송 신호를 복조하는 단계;상기 복조된 방송 신호로부터 트랜스포트 스트림을 시그널링 정보와 비디오 서비스 데이터로 역다중화하는 단계;상기 시그널링 정보는 서비스를 기술하는 서비스 기술 정보를 포함하고, 상기 서비스 기술 정보는 서비스 타입을 정하는 서비스 타입 정보를 포함하고, 상기 서비스 타입 정보는 상기 서비스가 HEVC 디지털 텔레비전 서비스임을 나타내고,상기 서비스 정보는 서비스와 관련된 이벤트에 대한 정보를 포함하고,상기 이벤트 정보 또는 상기 서비스 기술 정보는 상기 UHD 비디오 서비스 데이터의 비디오 특성 정보를 포함하고,상기 비디오 특성 정보는 상기 UHD 비디오 서비스 데이터의 비디오 코덱 정보 및 프레임 레잇 정보를 포함하고,상기 시그널링 정보를 복호하는 단계;상기 복호한 시그널링 정보에 기초하여 상기 비디오 서비스 데이터를 복호하는 단계;를 포함하는 신호 수신 방법.
- 제 5항에 있어서,상기 이벤트 정보는 타겟 서비스의 타입을 지칭하는 정보를 포함하고, 이벤트에 링크된 서비스가 simulcast servce인지 또는 시간적으로 떨어진 time-off 서비스인지를 지칭하는 정보를 포함하는 신호 수신 방법.
- 제 6항에 있어서,상기 타겟 서비스의 타입은 상기 UHD 비디오 서비스 데이터에 의한 UHD 서비스임을 나타내는 신호 수신 방법.
- 제 5항에 있어서,상기 이벤트 정보는 타겟 서비스의 링크의 정보를 포함하고,상기 링크 정보는 상기 타겟 서비스가 UHD 서비스 또는/및 3DTV 서비스임을 나타내는, 신호 수신 방법.
- 비디오 서비스 데이터를 인코딩하는 인코더(610), 여기서 상기 비디오 서비스 데이터는 UHD 비디오 서비스를 데이터를 포함하고,시그널링 정보를 생성하는 시그널링 정보 인코더(620), 여기서 상기 시그널링 정보는 서비스를 기술하는 서비스 기술 정보를 포함하고, 상기 서비스 기술 정보는 서비스 타입을 정하는 서비스 타입 정보는상기 서비스가 HEVC 디지털 텔레비전 서비스임을 나타내고,상기 서비스 정보는 서비스와 관련된 이벤트에 대한 정보를 포함하고,상기 이벤트 정보 또는 상기 서비스 기술 정보는 상기 UHD 비디오 서비스 데이터의 비디오 특성 정보를 포함하고,상기 비디오 특성 정보는 상기 UHD 비디오 서비스 데이터의 비디오 코덱 정보 및 프레임 레잇 정보를 포함하고,상기 시그널링 정보와 상기 UHD 비디오 데이터를 트랜스포트 스트림을 다중화하는 다중화부(630);상기 트랜스포트 스트림을 채널코딩하는 채널코딩부(640); 및상기 트랜스포트 스트림을 변조하고, 상기 변조된 스트림을 전송하는 전송부(650)을 포함하는 신호 송신 장치.
- 제 9항에 있어서,상기 이벤트 정보는 타겟 서비스의 타입을 지칭하는 정보를 포함하고, 이벤트에 링크된 서비스가 simulcast servce인지 또는 시간적으로 떨어진 time-off 서비스인지를 지칭하는 정보를 포함하는 신호 송신 장치.
- 제 10항에 있어서,상기 타겟 서비스의 타입은 상기 UHD 비디오 서비스 데이터에 의한 UHD 서비스임을 나타내는 신호 송신 장치.
- 제 9항에 있어서,상기 이벤트 정보는 타겟 서비스의 링크의 정보를 포함하고,상기 링크 정보는 상기 타겟 서비스가 UHD 서비스 또는/및 3DTV 서비스임을 나타내는 신호 송신 장치.
- 트랜스포트 스트림을 전송하는 방송 신호를 수신하는 수신부(701));상기 방송 신호를 복조하는 복조부(705);상기 복조된 방송 신호로부터 트랜스포트 스트림을 시그널링 정보와 비디오 서비스 데이터로 역다중화하는 역다중화부(710);상기 시그널링 정보는 서비스를 기술하는 서비스 기술 정보를 포함하고, 상기 서비스 기술 정보는 서비스 타입을 정하는 서비스 타입 정보를 포함하고, 상기 서비스 타입 정보는 상기 서비스가 HEVC 디지털 텔레비전 서비스임을 나타내고,상기 서비스 정보는 서비스와 관련된 이벤트에 대한 정보를 포함하고,상기 이벤트 정보 또는 상기 서비스 기술 정보는 상기 UHD 비디오 서비스 데이터의 비디오 특성 정보를 포함하고,상기 비디오 특성 정보는 상기 UHD 비디오 서비스 데이터의 비디오 코덱 정보 및 프레임 레잇 정보를 포함하고,상기 시그널링 정보를 복호하는 시그널링정보복호부(720); 및상기 복호한 시그널링 정보에 기초하여 상기 비디오 서비스 데이터를 복호하는 비디오 디코더(730);를 포함하는 신호 수신 장치.
- 제 13항에 있어서,상기 이벤트 정보는 타겟 서비스의 타입을 지칭하는 정보를 포함하고, 이벤트에 링크된 서비스가 simulcast servce인지 또는 시간적으로 떨어진 time-off 서비스인지를 지칭하는, 신호 수신 장치.
- 제 14항에 있어서,상기 타겟 서비스의 타입은 상기 UHD 비디오 서비스 데이터에 의한 UHD 서비스임을 나타내는 신호 수신 장치
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020167025370A KR101838081B1 (ko) | 2014-04-02 | 2015-04-01 | 신호 송수신 장치 및 신호 송수신 방법 |
US15/125,816 US20170006316A1 (en) | 2014-04-02 | 2015-04-01 | Apparatus for transmitting and receiving signal and method for transmitting and receiving signal |
JP2016559545A JP6309650B2 (ja) | 2014-04-02 | 2015-04-01 | 信号送受信装置及び信号送受信方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201461973854P | 2014-04-02 | 2014-04-02 | |
US61/973,854 | 2014-04-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2015152635A1 WO2015152635A1 (ko) | 2015-10-08 |
WO2015152635A9 true WO2015152635A9 (ko) | 2016-10-06 |
Family
ID=54240867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2015/003257 WO2015152635A1 (ko) | 2014-04-02 | 2015-04-01 | 신호 송수신 장치 및 신호 송수신 방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20170006316A1 (ko) |
JP (1) | JP6309650B2 (ko) |
KR (1) | KR101838081B1 (ko) |
WO (1) | WO2015152635A1 (ko) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014077651A1 (ko) * | 2012-11-19 | 2014-05-22 | 엘지전자 주식회사 | 신호 송수신 장치 및 신호 송수신 방법 |
AU2016289048B2 (en) * | 2015-07-09 | 2020-12-24 | Sony Corporation | Reception device, reception method, transmission device, and transmission method |
US20190075325A1 (en) * | 2016-03-30 | 2019-03-07 | Lg Electronics Inc. | Method and apparatus for transmitting and receiving broadcast signals |
WO2018027882A1 (zh) * | 2016-08-12 | 2018-02-15 | 华为技术有限公司 | 业务数据传输的方法、网络设备和终端设备 |
JP6707480B2 (ja) * | 2017-02-28 | 2020-06-10 | 東芝映像ソリューション株式会社 | 放送信号送信方法 |
JP6707479B2 (ja) * | 2017-02-28 | 2020-06-10 | 東芝映像ソリューション株式会社 | 放送信号送信装置 |
US20210092484A1 (en) * | 2018-08-09 | 2021-03-25 | Lg Electronics Inc. | Broadcast signal transmission method, broadcast signal transmission apparatus, broadcast signal reception method, and broadcast signal reception apparatus |
US20210014541A1 (en) * | 2019-02-07 | 2021-01-14 | Lg Electronics Inc. | Broadcast signal transmission device, broadcast signal transmission method, broadcast signal reception method, and broadcast signal reception device |
JP6707704B2 (ja) * | 2019-10-24 | 2020-06-10 | 東芝映像ソリューション株式会社 | 放送信号受信装置 |
JP6724225B2 (ja) * | 2019-10-24 | 2020-07-15 | 東芝映像ソリューション株式会社 | 放送信号送信装置 |
JP6707705B2 (ja) * | 2019-10-24 | 2020-06-10 | 東芝映像ソリューション株式会社 | 放送信号受信装置 |
JP6724226B2 (ja) * | 2019-10-24 | 2020-07-15 | 東芝映像ソリューション株式会社 | 放送信号受信方法 |
JP7412976B2 (ja) | 2019-11-22 | 2024-01-15 | マクセル株式会社 | 表示制御方法 |
JP7414489B2 (ja) | 2019-11-25 | 2024-01-16 | マクセル株式会社 | 表示制御方法 |
JP7405579B2 (ja) | 2019-11-26 | 2023-12-26 | マクセル株式会社 | 表示制御方法 |
WO2022008981A1 (en) * | 2020-07-09 | 2022-01-13 | Google Llc | Systems and methods for multiplexing and de-multiplexing data events of a publishing platform |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20110044311A (ko) * | 2008-08-22 | 2011-04-28 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 디지털 tv 서비스들 사이의 동적 스위칭 |
KR101694821B1 (ko) * | 2010-01-28 | 2017-01-11 | 삼성전자주식회사 | 다시점 비디오스트림에 대한 링크 정보를 이용하는 디지털 데이터스트림 전송 방법와 그 장치, 및 링크 정보를 이용하는 디지털 데이터스트림 전송 방법과 그 장치 |
CN102918857B (zh) * | 2010-04-02 | 2015-11-25 | 三星电子株式会社 | 用于发送用于提供二维和三维内容的数字广播内容的方法和设备以及用于接收数字广播内容的方法和设备 |
KR20120058700A (ko) * | 2010-11-27 | 2012-06-08 | 전자부품연구원 | 디지털 방송의 전송 모드 제공 및 인지 방법 |
EP2712191A4 (en) * | 2011-05-19 | 2015-06-24 | Lg Electronics Inc | VIDEO POWER TRANSMISSION DEVICE, VIDEO POWER RECEIVING DEVICE, VIDEO POWER TRANSMISSION METHOD AND VIDEO POWER RECEIVING METHOD |
CA2844361C (en) * | 2011-07-26 | 2017-09-19 | Lg Electronics Inc. | Apparatus and method for transmitting and receiving a uhd video stream which is downsampled into hd video and residual sub-streams |
KR101869370B1 (ko) * | 2012-01-02 | 2018-07-20 | 한국전자통신연구원 | 디지털 방송 시스템에서 초고화질 방송 송수신 방법 및 장치 |
KR20130114422A (ko) * | 2012-04-09 | 2013-10-17 | (주)디티브이인터랙티브 | 지상파 uhdtv 방송수신기 및 지상파 uhdtv 전송신호 분석기 |
KR102189520B1 (ko) * | 2013-10-30 | 2020-12-11 | 한국전자통신연구원 | 방송 송수신 장치 및 방법 |
-
2015
- 2015-04-01 JP JP2016559545A patent/JP6309650B2/ja active Active
- 2015-04-01 KR KR1020167025370A patent/KR101838081B1/ko active IP Right Grant
- 2015-04-01 US US15/125,816 patent/US20170006316A1/en not_active Abandoned
- 2015-04-01 WO PCT/KR2015/003257 patent/WO2015152635A1/ko active Application Filing
Also Published As
Publication number | Publication date |
---|---|
KR101838081B1 (ko) | 2018-04-26 |
JP2017516357A (ja) | 2017-06-15 |
US20170006316A1 (en) | 2017-01-05 |
JP6309650B2 (ja) | 2018-04-11 |
WO2015152635A1 (ko) | 2015-10-08 |
KR20160124155A (ko) | 2016-10-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2015152635A1 (ko) | 신호 송수신 장치 및 신호 송수신 방법 | |
WO2014073927A1 (ko) | 신호 송수신 장치 및 신호 송수신 방법 | |
WO2015072754A1 (ko) | Hdr 방송 서비스 제공을 위한 방송 신호 송수신 방법 및 장치 | |
WO2015076616A1 (ko) | 신호 송수신 장치 및 신호 송수신 방법 | |
WO2014084564A1 (ko) | 신호 송수신 장치 및 신호 송수신 방법 | |
WO2014077651A1 (ko) | 신호 송수신 장치 및 신호 송수신 방법 | |
WO2015126144A1 (ko) | 파노라마 서비스를 위한 방송 신호 송수신 방법 및 장치 | |
WO2015065037A1 (ko) | Hevc 기반의 ip 방송 서비스 제공을 위한 방송 신호 송수신 방법 및 장치 | |
WO2014073853A1 (ko) | 신호 송수신 장치 및 신호 송수신 방법 | |
WO2011093677A2 (en) | Method and apparatus for transmitting digital broadcasting stream using linking information about multi-view video stream, and method and apparatus for receiving the same | |
WO2011049337A2 (ko) | 방송 신호 송수신 방법 및 그를 이용한 방송 수신 장치 | |
WO2014025213A1 (ko) | 신호 송수신 장치 및 신호 송수신 방법 | |
WO2015102449A1 (ko) | 컬러 개멋 리샘플링을 기반으로 하는 방송 신호 송수신 방법 및 장치 | |
WO2012036532A2 (en) | Method and apparatus for processing a broadcast signal for 3d (3-dimensional) broadcast service | |
WO2009125961A1 (en) | Method of transmitting and receiving broadcasting signal and apparatus for receiving broadcasting signal | |
WO2011122914A2 (ko) | 2차원 컨텐트와 3차원 컨텐트를 제공하기 위한 디지털 방송 컨텐트 전송 방법 및 그 장치, 디지털 방송 컨텐트 수신 방법 및 그 장치 | |
WO2012023789A2 (ko) | 디지털 방송 신호 수신 장치 및 방법 | |
WO2011062385A2 (ko) | 방송 신호 송수신 방법 및 그를 이용한 방송 수신 장치 | |
WO2012030158A2 (en) | Method and apparatus for processing and receiving digital broadcast signal for 3-dimensional display | |
WO2010071283A1 (ko) | 입체영상 디스플레이가 가능한 디지털 방송 수신방법, 및 이를 이용한 디지털 방송 수신장치 | |
WO2015080414A1 (ko) | 트릭 플레이 서비스 제공을 위한 방송 신호 송수신 방법 및 장치 | |
WO2014204227A1 (ko) | 신호 송수신 장치 및 신호 송수신 장치의 제어 방법 | |
WO2015034306A1 (ko) | 디지털 방송 시스템에서 고화질 uhd 방송 컨텐츠 송수신 방법 및 장치 | |
WO2012077987A2 (ko) | 디지털 방송 신호 수신 장치 및 방법 | |
WO2012050405A2 (ko) | 디지털 수신기 및 디지털 수신기에서의 3d 컨텐트 처리방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15773647 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 20167025370 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15125816 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2016559545 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase | ||
122 | Ep: pct application non-entry in european phase |
Ref document number: 15773647 Country of ref document: EP Kind code of ref document: A1 |