WO2014025213A1 - 신호 송수신 장치 및 신호 송수신 방법 - Google Patents
신호 송수신 장치 및 신호 송수신 방법 Download PDFInfo
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Definitions
- the present invention relates to a signal transmission and reception apparatus and a signal transmission and reception method.
- UHD resolution is defined as a high resolution video image four times or sixteen times the high definition (HD) resolution.
- HD resolution is defined as a high resolution video image four times or sixteen times the high definition (HD) resolution.
- Development of highly efficient codec technology for transmitting UHD video television signals with a single codec is underway by several standards bodies.
- the current broadcasting system has not defined a method for transmitting UHD video, so even if the current broadcasting system is proposed to encode / decode super high resolution video, there is no way to transmit / receive UHD video.
- An object of the present invention is to provide a signal transmission and reception method and a signal transmission and reception apparatus providing a method compatible with existing broadcast or video transmission and reception system when transmitting and receiving UHD video.
- Another object of the present invention is to provide a signal transmission / reception method and a signal transmission / reception apparatus capable of receiving or displaying HD video without a problem when a conventional HDTV receiver receives UHD video when transmitting / receiving UHD video.
- An embodiment of the present invention comprises the steps of generating HD video from UHD video, and generating residual data which is the remaining data of the converted HD video and the converted HD video among the UHD video; And transmitting the converted HD video as a base layer stream and transmitting the residual data as an enhancement layer stream.
- the HD video and the receiver receives the residual data to restore the UHD video with the HD video; And an output unit for decoding and outputting the HD video or reconstructing and outputting the UHD video using the HD video and the residual data.
- a method compatible with an existing broadcast or video transmission / reception system may be provided.
- HD video when transmitting and receiving UHD video, when an existing HDTV receiver receives UHD video, HD video may be received or displayed without a problem.
- FIG. 1 illustrates an embodiment of a signal transmission method according to the present invention.
- FIG. 2 is a diagram illustrating a method of configuring a UHD video signal according to an embodiment of the present invention.
- FIG. 3 is a view showing a detailed specific example of FIG.
- FIG. 4 is a diagram illustrating an example of converting UHD video to HD video
- FIG. 5 illustrates another example of converting a UHD video into an HD video.
- FIG. 6 illustrates in detail another example of converting a UHD video into an HD video
- FIG. 7 illustrates in detail another example of converting a UHD video into an HD video.
- FIG. 8 is a diagram illustrating an embodiment of a transmitting apparatus capable of transmitting UHD video as HD video
- FIG. 9 is a diagram illustrating an embodiment of a video receiving apparatus according to the present invention.
- FIG. 10 illustrates an example of a compatible broadcast signal structure that can be received by both an HD broadcast receiver and a UHD broadcast receiver.
- FIG. 13 illustrates a UHD program descriptor according to an embodiment of the present invention.
- FIG. 14 is a diagram illustrating a value of a UHD_video_type field and a description thereof
- FIG. 15 is a diagram illustrating a value of a UHD_sub_service_type field and a description thereof
- FIG 17 illustrates a VCT as signaling information according to an embodiment of the present invention.
- FIG. 18 illustrates a descriptor that may be included in a VCT according to an embodiment of the present invention.
- 21 is a diagram illustrating an embodiment of a broadcast signal receiving method according to the present invention.
- FIG. 22 is a diagram illustrating an embodiment of a signal transmission apparatus according to the present invention.
- FIG. 23 illustrates an embodiment of a signal receiving apparatus according to the present invention.
- FIG. 1 is a diagram illustrating an embodiment of a signal transmission method according to the present invention. An embodiment of a signal transmission method according to the present invention will be described with reference to FIG. 1.
- the UHD video is converted into the HD video (S110).
- the UHD video of the first frame rate is converted into progressive HD video of the first frame rate, and the progressive HD video of the converted first frame rate is converted into the first video. It may be converted to progressive HD video of the second frame rate, which is 1/2 of the frame rate, or converted to interlaced HD video of the first frame rate.
- UHD video of a first frame rate is converted to progressive HD video of a second frame rate that is 1/2 of the first frame rate, or interleaced of the first frame rate. Can convert to HD video.
- FIG. 3 An embodiment of converting UHD video to HD video is illustrated in FIG. 3.
- the converted HD video and the residual data capable of reconstructing the UHD video together with the converted HD video are transmitted (S120).
- signaling information signaling the base layer stream and the enhancement layer streams may be generated, and the base layer stream, the enhancement layer stream, and the signaling information may be multiplexed. Description of this is illustrated in FIG. 8.
- An embodiment of the present invention may additionally transmit HD video that is transmitted and signaling information that can be restored to UHD video using the HD video. Description of the signaling information is illustrated in detail with reference to FIGS. 10 and 20.
- FIG. 2 is a diagram illustrating a method of configuring a UHD video signal according to an embodiment of the present invention.
- the original source of the UHD video may be encoded into a base layer and an enhancement layer using an SVC coding scheme.
- the HD video signal is extracted from the original source of the UHD video and encoded into the base layer, and the remaining residual video signal required to upscale the HD video signal to the UHD video signal can be encoded into an enhancement layer.
- the original source of the UHD video is encoded into a base layer of 60 interleaved HD video signals or 30 progressive HD video signals, and upscaling (30 progressive HD video is 30 progressive UHD) so that it can be composed of 60 progressive UHDTV video signals. Upscaling, 60 interlaced HD upscaling to 60 interlaced UHD, and encoding residual video signals into enhancement layers.
- FIG. 3 is a diagram illustrating a detailed specific example of FIG. 2.
- two examples of separating the UHD video into the HD video will be described in detail.
- the first example is, for example, 4K UHD video
- a 60-sheet progressive UHD video is downsampled and extracted into 60-sheet progressive HD video using a technique such as scaling or decimation (UHD-to-HD down sampling).
- This embodiment can encode 60 progressive HD video into 60i HD video using top / down field sampling, or 30p HD video by frame sampling in even or odd frames on a frame basis.
- the encoded 60i HD video or 30p HD video is encoded and transmitted to the base layer.
- the second example shows a 60-layer progressive UHD video (3840x2160 @ 60p) without the first step above, which is a 60-layer interlaced HD video signal (1920x1080 @ 60i) or a 30-sheet progressive HD video signal (1920x1080 @ 30p). Can be converted to
- the 1920x1080 @ 60i HD video signal may be extracted through down-sampling (scaling or decimation), and the 1920x1080 @ 30p HD video signal may use a frame skip and down-sampling method.
- UHD residual data which is a difference between HD video converted from UHD video, is encoded and transmitted to an enhancement layer.
- 3840x2160 @ 60p UHD video can be converted to 1920x1080 @ 60p or 1920x1080 @ 60i HD video through pixel sampling.
- sampling methods for converting UHD video to HD video is decimation, in which only pixels of a specific position are selected and converted through sampling. There are four possible cases depending on the sampling position. That is, in the four pixel region, (1) sampling with even and ordinate even position combinations, (2) sampling with even and odd position combinations, (3) sampling with odd and even position combinations, (4) odd and odd Sampling by position combination is possible.
- This figure illustrates the decimation method of converting UHD video into HD video through simple sampling in (even, even) combinations, and extracting HD interlaced video from the resulting 1920x1080 @ 60p HD video yields 1920x1080 @ 60i HD video. have.
- 4K UHD video it is selected from 4 pixel areas of 2x2, but in the case of 16K 8K UHD video, 16 pixel areas of 4x4 may be used.
- FIG. 5 illustrates another example of converting the UHD video described above into HD video.
- 4K UHD video four samples are weighted in a 2x2 pixel region of a video signal, and the interlaced field can be extracted from the sampled HD video.
- the equation given to each pixel is as shown in the figure, and the sum of the coefficients of each pixel can be set to one.
- 4K UHD video can be downsampled to form one new HD pixel per four pixels.
- Another method for generating HD video from UHD video is that the number of input pixels used in the spatial down-sampling process is not limited to 2 x 2 of the above embodiment, and arbitrary N x N peripheral pixels can be used. have.
- FIG. 6 specifically illustrates another example of converting the above-described UHD video into HD video.
- This figure discloses an example of directly converting a UHD video 3840x2160 @ 60p into an HD video signal 1920x1080 @ 60i.
- the pixel HD (x, y) of the odd top field of the HD video is determined using the pixel UHD (2x, 2y) in the UHD video odd frame (frame # 1), and the same UHD video odd frame (frame) Pixel UHD (2x, 4y + 2) in # 1) may be determined as pixel HD (x, y + 1) of the odd bottom field of the HD video. Since the frame (frame # 1) at the same time is used, it is possible to convert from UHD video frames with no time difference to HD video interlaced frames.
- the pixel HD (x, y) of the odd top field of the HD video is determined, and the pixel in the same UHD video odd frame (frame # 3).
- UHD (2x, 4y + 2) may be determined as pixel HD (x, y + 1) of the odd bottom field of the HD video.
- top field and bottom field use the same frame, and a method of generating 1 pixel with a weight of 4 pixels in the UHD video frame is applied, and samples are skipped by 2 pixels in the vertical direction.
- the UHD video 3840x2160 @ 60p may be directly converted to the HD video signal 1920x1080 @ 60i, and the converted frames may be encoded and transmitted to the base layer.
- FIG. 7 specifically illustrates another example of converting the above-described UHD video into HD video.
- This figure shows another example of directly converting a UHD video (3840x2160 @ 60p) into an HD video signal (1920x1080 @ 60i).
- the pixel HD (x, y) of the odd top field of the HD video is determined using the pixel UHD (2x, 2y) in the UHD video frame (frame # 1), and the next UHD video frame frame (frame # 2) In-pixel UHD (2x, 4y + 2) may be determined as pixel HD (x, y + 1) of the even bottom field of the HD video.
- the UHD video frames frame # 3 and frame # 4 can be used to determine the odd top and even bottom fields of HD video.
- the top field or the bottom field of the HD video can be made from every frame of the UHD video.
- the UHD video 3840x2160 @ 60p may be directly converted to the HD video signal 1920x1080 @ 60i, and the converted frames may be encoded and transmitted to the base layer.
- FIGS. 4 and 5 there may be a method of separating the interlaced field from the HD video after sampling the UHD video into the HD video as shown in FIGS. 4 and 5.
- FIGS. 6 and 7 there is a method of separating the interlaced field at the same time as sampling the UHD video into the HD video.
- the pixels of the corresponding HD video are generated using one pixel of the UHD video in FIGS. 6 and 7, the HD video pixels may be generated using the weighted sum of arbitrary N pixels. That is, the down-sampling process for extracting the HD video from the UHD video may be expressed by generalizing it as in Equation 1 below.
- FIGS. 8 is a diagram illustrating an embodiment of a transmitting apparatus capable of transmitting UHD video as HD video.
- the UHD video is input, it is selectively filtered through the low pass filter 110, and the sub-video sampling factor is input to the down sampling unit 120.
- This figure illustrates an example of classifying HD video according to a scan method when the sub-video sampling factors are even and even combinations. Thus, other sub-video sampling factors are possible.
- the down sampling unit 120 downsamples the filtered UHD video into HD video. Down sampling is illustrated in FIGS. 3 and 4.
- the format determiner 130 may determine whether the video format is an interlaced or progressive method according to the scan method for the down-sampled video.
- the format determiner 130 may generate 60i HD video generated by separating the top / bottom field according to a scan method and / or 30p HD video sampled on a frame basis, and interlaced flags are generated in each generated video. Progressive flags can be inserted.
- the downsampling unit 120 and the format determination unit 130 may be performed in the same functional block to simultaneously perform downsampling and format conversion according to the formula shown.
- an embodiment of a video transmitting apparatus includes a signaling unit (not shown) that generates signaling information related to the converted signal when the HD video converted from UHD video is transmitted as a broadcast signal, the converted HD video, and the generated signaling information. It may be provided with a transmission unit (not shown) for transmitting together.
- FIG. 9 is a diagram illustrating an embodiment of a video receiving apparatus according to the present invention.
- the video receiving apparatus according to the present invention may play UHD video or HD video according to the video structure illustrated above.
- a first embodiment of a video receiving apparatus may include a demultiplexer 210, a video decoder 220a, and a video outputter 270.
- a second embodiment of a video receiving apparatus according to the present invention may include a demultiplexer 210, video decoders 220a and 220b, an upscaling unit 240, a video converter 250, and a video output unit ( 270a, 270b).
- Each embodiment may receive and play HD video of a base layer or UHD video of a base layer and an enhancement layer.
- This embodiment is an example of a UHD video receiver in which HD video is compatible.
- a first embodiment of a video receiving apparatus that plays HD video of a base layer will be described. Since the video receiving apparatus according to the first embodiment does not recognize the enhancement layer and recognizes only the HD video signal of the base layer, only the HD broadcast signal is received even when the UHDTV broadcast channel is connected.
- the demultiplexer 210 demultiplexes the video stream of the base layer.
- the video stream of the base layer may have a format of an HD video signal 1920x1080 @ 60i or 1920x1080 @ 30p.
- the video decoder 220a may decode the video stream of the demultiplexed base layer, and the video output unit 270a may output the decoded base layer video.
- the video receiving apparatus may output a video stream demultiplexed by the demultiplexer 210.
- the upscaling unit 240 may upscale the video of the 1920x1080 @ 60i or 1920x1080 @ 30p format decoded by the video decoder 220a to UHD resolution.
- the upscaling scheme may follow the reverse of the method illustrated in FIGS. 3 and 4.
- the demultiplexer 210 may demultiplex the video stream of the enhancement layer, and the video decoder 220b may decode the UHD residual data of the demultiplexed enhancement layer.
- the video converter 250 generates the UHD video (eg, 3840x2160 @ 60p) by adding the upscaled UHD upscaled video data and the UHD residual data decoded by the video decoder 220b. Can be.
- the UHD video eg, 3840x2160 @ 60p
- the video output unit 270b may output the UHD video summed by the video converter 250.
- a signaling unit for decoding signaling information signaling the above structure may be provided. If the signaling information is transmitted in a broadcast stream or a separate stream, the receiver may recognize the structure of the corresponding broadcast signal and decode it accordingly. Hereinafter, signaling information will be described.
- FIG. 10 illustrates an example of a compatible broadcast signal structure that both the HD broadcast receiver and the UHD broadcast receiver can receive.
- An example of a compatible broadcast signal structure that can be received by both the HD broadcast receiver and the UHD broadcast receiver will be described with reference to this figure.
- Program A may be referred to as service A or channel A.
- Program B may also be referred to as service B or channel B.
- program A which is an HD program
- program B which is an UHD program
- program A which is an HD program
- program B which is an UHD program
- program A which is an HD program
- program B which is an UHD program
- the HD broadcast receiver may receive the HD program A
- the UHD broadcast receiver may receive the UHD program B, respectively.
- the program A which is an HD program
- the program B which is a UHD program
- An example of a video component of a broadcast included in programs is as follows.
- Program A may include an HD video component (component 1)
- program B may include an HD video component (component 1) and an enhancement video component (component 2) for UHD video. Therefore, the HD program may be some element or component of the UHD program.
- the UHD receiver may receive both the HD video component 1 and the enhancement video component 2 and restore the UHD video signal using both components.
- the HD broadcast receiver receives the HD video component 1 and the UHD broadcast receiver receives both the HD video component 1 and the UHD video component 2.
- the signaling information that the broadcast receiver can receive an element or a component is as follows.
- FIG. 11 is a diagram illustrating PMT as signaling information. Referring to FIG. 11, an example of signaling a UHD video signal structure will be described below.
- PMT may be in accordance with the disclosure in ISO / IEC 13818-1. If this field is described using this, it is as follows.
- the table_id field indicates an 8-bit identifier indicating the type of a PMT table section (table_id-This is an 8-bit field, which in the case of a TS_program_map_section shall be always set to 0x02).
- the section_syntax_indicator field is a 1-bit field set to 1 for a VCT table section (section_syntax_indicator-The section_syntax_indicator is a 1-bit field which shall be set to '1')
- program_number-program_number is a 16-bit field.It specifies the program to which the program_map_PID is applicable.One program definition shall be carried within only one TS_program_map_section.This implies that a program definition is never longer than 1016 (0x3F8) . See Informative Annex C for ways to deal with the cases when that length is not sufficient.
- the program_number may be used as a designation for a broadcast channel, for example.By describing the different program elements belonging to a program, data from different sources (eg sequential events) can be concatenated together to form a continuous set of streams using a program_number.)
- the version_number field indicates the version number of the VCT (version_number-This 5-bit field is the version number of the TS_program_map_section.The version number shall be incremented by 1 modulo 32 when a change in the information carried within the section occurs.Version number refers to the definition of a single program, and therefore to a single section.When the current_next_indicator is set to '1', then the version_number shall be that of the currently applicable TS_program_map_section.When the current_next_indicator is set to '0', then the version_number shall be that of the next applicable TS_program_map_section.)
- section_number-The value of this 8-bit field shall be 0x00
- the last_section_number field indicates the number of the last section (last_section_number-The value of this 8-bit field shall be 0x00.)
- PCR_PID indicates the PID of the TS packet including the PCR field of the program specified by the program number (PCR_PID-This is a 13-bit field indicating the PID of the Transport Stream packets which shall contain the PCR fields valid for the program specified by program_number. If no PCR is associated with a program definition for private streams, then this field shall take the value of 0x1FFF.)
- the program_info_length field indicates the length of the program level descriptor after this field (program_info_length-This is a 12-bit field, the first two bits of which shall be '00'.The remaining 10 bits specify the number of bytes of the descriptors immediately following the program_info_length field.)
- the stream_type field indicates the type of the program element stream (stream_type-This is an 8-bit field specifying the type of program element carried within the packets with the PID whose value is specified by the elementary_PID.)
- the elementary_PID field specifies the PID of a TS packet that transmits a related program element (elementary_PID-This is a 13-bit field specifying the PID of the Transport Stream packets which carry the associated program element.)
- the ES_info_length field indicates the length of the program element level descriptor. (ES_info_length-This is a 12-bit field, the first two bits of which shall be '00'.The remaining 10 bits specify the number of bytes of the descriptors of the associated program element immediately following the ES_info_length field.)
- the PMT may include program level descriptors and elementary stream level descriptors.
- a descriptor signaling a UHD program and an HD program may include a descriptor of a program level.
- This embodiment has designated this program descriptor as UHD_program_descriptor.
- the characteristics of the UHD program may be signaled by using the UHD_program_descriptor immediately after the program_info_length field of the PM.
- the PMT may include a descriptor of an elementary stream level, which is a descriptor for signaling elements or components of a UHD program or an HD program, respectively.
- This embodiment denotes a descriptor of this elementary stream level by UHD_enhancement_descriptor.
- an elementary stream level descriptor immediately after the ES_info_length field may be used to signal characteristics of each elementary stream or component.
- two video components may be signaled in the PMT.
- stream tyep may be signaled as a stream type such as MPEG-2 video or H.264 / AVC, or HEVC.
- stream_type may be signaled as a stream type value indicating an enhancement video component.
- the Enhancement video component may refer to a compression codec for component 2, for example, an AVC / SVC stream, a HEVC scalable extension stream, a stream in which hybrid delta streams are coded in AVC, and a stream in which hybrid delta streams are coded in HEVC.
- a compression codec for component 2 for example, an AVC / SVC stream, a HEVC scalable extension stream, a stream in which hybrid delta streams are coded in AVC, and a stream in which hybrid delta streams are coded in HEVC.
- the hybrid delta means a case in which enhancement video data for a base layer video signal (component 1) is used with a codec different from that used when the component 1 is compressed. That is, when component 1 codes an HD signal into MPEG-2 video and component 2 codes an enhancement layer for UHD video into HEVC, component 2 refers to a hybrid delta HEVC stream.
- an encoder and a decoder may encode or decode component 2 using the result of component 1.
- the base layer signal is an MPEG-2 video stream and the enhancement layer signal is a HEVC coded stream
- upscale may be performed according to the UHD signal.
- the upscaled MPEG-2 video signal may be combined to finally output the UHD video signal.
- a stream using an AVC / SVC codec may have a stream type value of 0x30.
- the UHD program descriptor may indicate that the program is a UHD program and may include information on a transmission structure for two layers (base and enhancement). This descriptor may be located immediately after the program_info_length field of the PMT.
- the UHD program descriptor may include a descriptor_tag which is an identifier of the descriptor and a descriptor_length field indicating the length of the descriptor.
- the UHD_video_type field signals information about a UHD video format and indicates information about whether a video type is 4K or 8K. Detailed description thereof is illustrated in FIG. 14.
- the UHD_sub_service_type field represents information on compatibility and transmission structure of HD of a UHD service. A detailed description thereof is illustrated in FIG. 15.
- 14 is a diagram illustrating a value of the UHD_video_type field described above and a description thereof. 14 illustrates a value of a UHD_video_type field and a video format according to each value. For example, if the UHD_video_type field value is 001, the video resolution is 3840X2160 and 60 progressive HD video (3840X2160 @ 60P) per unit time is illustrated.
- FIG. 15 is a diagram illustrating a value of the UHD_sub_service_type field described above and a description thereof.
- the UHD_sub_service_type field value is 0x01
- video streams constituting the UHD service are transmitted through different transmission paths or protocols.
- the base layer may be transmitted in-band and the enhancement layer may be received through another path / protocol such as internet real time, internet download, or in-band non real time.
- the UHD enhancement descriptor may signal information about an elementary stream corresponding to an enhancement layer and is located immediately after the ES_info_length field of the PMT.
- UHD_enhancement_descriptor may include a descriptor_tag which is an identifier of a descriptor and a descriptor_length field indicating the length of the descriptor.
- the UHD_enhancement_descriptor may include a UHD_video_type field indicating information about a UHD video format, and an upscale_parameter_included field indicating an upscaling parameter.
- the UHD_video_type field signals information about the UHD video format and indicates information on whether the video is 4K or 8K. This may have the same value as in FIG. 14.
- the upscale_parameter_included field indicates whether an upscale parameter to be applied to the base layer before including the base layer with the enhancement layer is included in the enhancement layer video stream.
- the decoder can use this upscale parameter to perform upsampling at the UHD level for the base layer.
- FIG. 17 is a diagram illustrating VCT as signaling information according to an embodiment of the present invention. Referring to FIG. 17, an example of signaling a UHD video signal structure is as follows.
- the VCT may comply with the ATSC PSIP specification. According to ATSC PSIP, each field is described as follows. Each bit description starts as follows.
- the section_syntax_indicator field is a 1-bit field set to 1 for a VCT table section (section_syntax_indicator-The section_syntax_indicator is a one-bit field which shall be set to '1' for the terrestrial_virtual_channel_table_section ()).
- section_length field represents the length of the section in bytes. (section_length-This is a twelve 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 transport_stream_id field indicates an MPEG-TS ID as in a PAT that can identify TVCT (transport_stream_id-The 16-bit MPEG-2 Transport Stream ID, as it appears in the Program Association Table (PAT) identified by a PID value of zero for this multiplex.
- the transport_stream_id distinguishes this Terrestrial Virtual Channel Table from others that may be broadcast in different PTCs.
- the version_number field indicates the version number of the VCT (version_number-This 5 bit field is the version number of the Virtual Channel Table.
- version number shall be incremented by 1 whenever the definition of the current VCT changes. Upon reaching the value 31, it wraps around to 0.
- version number shall be one unit more than that of the current VCT (also in modulo 32 arithmetic) In any case, the value of the version_number shall be identical to that of the corresponding entries in the MGT)
- current_next_indicator-A one-bit indicator, which when set to '1' indicates that the Virtual Channel Table sent is currently applicable.When the bit is set to ' 0 ', it indicates that the table sent is not yet applicable and shall be the next table to become valid. This standard imposes no requirement that “next” tables (those with current_next_indicator set to' 0 ') must be sent.An update to the currently applicable table shall be signaled by incrementing the version_number field)
- section_number-This 8 bit field gives the number of this section.
- the section_number of the first section in the Terrestrial Virtual Channel Table shall be 0x00. It shall be incremented by one with each additional section in the Terrestrial Virtual Channel Table)
- 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 complete Terrestrial Virtual Channel Table.)
- protocol_version field indicates the protocol version for a parameter to be defined differently from the current protocol (protocol_version-An 8-bit unsigned integer field whose function is to allow, in the future, this table type to carry parameters that may be structured differently than those defined in the current protocol.At present, the only valid value for protocol_version is zero.Non-zero values of protocol_version may be used by a future version of this standard to indicate structurally different tables)
- the num_channels_in_section-This 8 bit field specifies the number of virtual channels in this VCT section. The number is limited by the section length)
- the major_channel_number field indicates the number of major channels associated with a virtual channel (major_channel_number-A 10-bit number that represents the “major” channel number associated with the virtual channel being defined in this iteration of the “for” loop.Each virtual channel shall be associated with a major and a minor channel number. The major channel number, along with the minor channel number, act as the user's reference number for the virtual channel. The major_channel_number shall be between 1 and 99. The value of major_channel_number shall be set such that in no case is a major_channel_number / minor_channel_number pair duplicated within the TVCT.For major_channel_number assignments in the US, refer to Annex B.)
- the minor_channel_number field indicates the number of minor channels associated with the virtual channel (minor_channel_number-A 10-bit number in the range 0 to 999 that represents the "minor" or "sub"-channel number.This field, together with major_channel_number, performs as a two-part channel number, where minor_channel_number represents the second or right-hand part of the number.When the service_type is analog television, minor_channel_number shall be set to 0.
- Minor_channel_number shall be set such that in no case is a major_channel_number / minor_channel_number pair duplicated within the TVCT.For other types of services, such as data broadcasting, valid minor virtual channel numbers are between 1 and 999.
- modulation_mode mode indicates the modulation mode of the carrier associated with the virtual channel (modulation_mode-An 8-bit unsigned integer number that indicates the modulation mode for the transmitted carrier associated with this virtual channel.Values of modulation_mode shall be as defined in Table 6.5. digital signals, the standard values for modulation mode (values below 0x80) indicate transport framing structure, channel coding, interleaving, channel modulation, forward error correction, symbol rate, and other transmission-related parameters, by means of a reference to an appropriate standard The modulation_mode field shall be disregarded for inactive channels)
- carrier_frequency-The recommended value for these 32 bits is zero.Use of this field to identify carrier frequency is allowed, but is deprecated.
- channel_TSID field indicates the MPEG-2 TS ID associated with the TS carrying the MPEG-2 program referenced by this virtual channel (channel_TSID-A 16-bit unsigned integer field in the range 0x0000 to 0xFFFF that represents the MPEG-2 Transport Stream ID associated with the Transport Stream carrying the MPEG-2 program referenced by this virtual channel8.
- channel_TSID shall represent the ID of the Transport Stream that will carry the service when it becomes active. The receiver is expected to use the channel_TSID to verify that any received Transport Stream is actually the desired multiplex.
- channel_TSID shall indicate the value of the analog TSID included in the VBI of the NTSC signal.Refer to Annex D Section 9 for a discussion on use of the analog TSID)
- the program_number field indicates an integer value defined in association with this virtual channel and PMT (program_number-A 16-bit unsigned integer number that associates the virtual channel being defined here with the MPEG-2 PROGRAM ASSOCIATION and TS PROGRAM MAP tables.
- PMT program_number-A 16-bit unsigned integer number that associates the virtual channel being defined here with the MPEG-2 PROGRAM ASSOCIATION and TS PROGRAM MAP tables.
- channels representing analog services a value of 0xFFFF shall be specified for program_number.
- program_number shall be set to zero.This number shall not be interpreted as pointing to a Program Map Table entry .
- the access_controlled field may refer to an event associated with an access controlled virtual channel (access_controlled-A 1-bit Boolean flag that indicates, when set, that the events associated with this virtual channel may be access controlled.When the flag is set to '0', event access is not restricted)
- the hidden field may indicate that the virtual channel is not accessed by the user's direct channel input (hidden-A 1-bit Boolean flag that indicates, when set, that the virtual channel is not accessed by the user by direct entry of the virtual channel number.Hidden virtual channels are skipped when the user is channel surfing, and appear as if undefined, if accessed by direct channel entry.Typical applications for hidden channels are test signals and NVOD services. Whether a hidden channel and its events may appear in EPG displays depends on the state of the hide_guide bit.)
- the hide_guide field may indicate whether a virtual channel and its events may be displayed in the EPG (hide_guide-A Boolean flag that indicates, when set to '0' for a hidden channel, that the virtual channel and its events may appear in EPG displays.This bit shall be ignored for channels which do not have the hidden bit set, so that non-hidden channels and their events may always be included in EPG displays regardless of the state of the hide_guide bit.
- Typical applications for hidden channels with the hide_guide bit set to '1' are test signals and services accessible through application-level pointers.
- service_type-This 6-bit field shall carry the Service Type identifier.Service Type and the associated service_type field are defined in A / 53 Part 1 [1] to identify the type of service carried in this virtual channel.Value 0x00 shall be reserved.Value 0x01 shall represent analog television programming.Other values are defined in A / 53 Part 3 [3], and other ATSC Standards may define other Service Types9)
- the source_id field is an identification number identifying a program source associated with a virtual channel (source_id-A 16-bit unsigned integer number that identifies the programming source associated with the virtual channel.
- a source is one specific source of video, text Source ID values zero is reserved.Source ID values in the range 0x0001 to 0x0FFF shall be unique within the Transport Stream that carries the VCT, while values 0x1000 to 0xFFFF shall be unique at the regional level.Values for source_ids 0x1000 and above shall be issued and administered by a Registration Authority designated by the ATSC.)
- the descriptors_length field indicates the length of the descriptor following (descriptors_length-Total length (in bytes) of the descriptors for this virtual channel that follows)
- Descriptor may be included in descriptor ().
- descriptor ()-Zero or more descriptors, as appropriate, may be included.
- the VCT may include a service_type indicating a service related to UHD broadcasting and a descriptor describing a service related to the UHD broadcasting.
- the service_type field may have a field value indicating a parameterized service (example 0x07), a field value indicating extended parameterized service (example 0x09) or a field value indicating a new DTV service indicating UHDTV (example 0x10).
- Descriptor_length a descriptor describing the UHD program and its components may be located.
- FIG. 18 is a diagram illustrating a descriptor that can be included in a VCT according to an embodiment of the present invention. Referring to FIG. 18, a descriptor that may be included in a VCT is described below. In this example, the descriptor that can be included in the VCT is called UHD_component_descritor.
- UHD_component_descritor may include a descriptor_tag which is an identifier of a descriptor and a descriptor_length field indicating the length of the descriptor.
- Num_of_component represents the number of components included in the UHD service.
- UHD_component_descritor may include UHD_component_descritor for each component, UHD_video_codec_type, UHD_video_profile, UHD_video_resolution, UHD_video_frame_rate, and UHD_component_type fields.
- the UHD_video_codec_type field represents a codec of a video element constituting a UHD service. For example, this value may indicate the same codec as the codec indicated by the stream_type of the PMT.
- the UHD_video_profile field indicates a profile for a corresponding video stream, that is, a basic tool necessary for decoding the corresponding stream.
- the UHD_video_profile may indicate color depth (4: 2: 0, 4: 2: 2, etc.), bit depth (8-bit, 10-bit), requirement information, etc. of a corresponding video stream.
- UHD_video_level indicates the maximum decodable specification in the corresponding profile. That is, this field may provide level information corresponding to the UHD_video_resolution field and the UHD_video_frame_rate field.
- the UHD_video_resolution field and the UHD_video_frame_rate field indicate the frame rate of the resolution of the UHD video. For example, if the value of UHD_video_resolution is "001", it may mean a resolution of 3840x2160, and if the value of UHD_video_frame_rate is "010", it may mean progressive 60Hz. It may have the same meaning and value as the UHD_video_type field of UHD_program_descriptor included in the PMT described above.
- the UHD_component_type field may indicate information on whether a corresponding video stream is an HD compatible base layer or an enhancement layer for UHD.
- 19 is a diagram illustrating an SDT as signaling information.
- SDT may be in accordance with ETSI EN 300 468. Each field 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.
- the EIT_present_following_flag field may indicate whether 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 UHD_program_descriptor illustrated in FIG. 13 may be located at a service level of the SDT to signal UHD video characteristics and a transmission structure of a corresponding service.
- the UHD_component_descriptor illustrated in FIG. 18 may be located at the service level of the SDT to signal characteristics of the UHD element included in the corresponding service.
- FIG. 20 is a diagram illustrating an EIT as signaling information.
- EIT may be in accordance with ETSI EN 300 468. Using this to describe each field is as follows.
- 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 inclUHDing 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 UHD_program_descriptor illustrated in FIG. 13 and the UHD_component_descriptor illustrated in FIG. 18 may be located at an event level of the EIT to signal UHD video characteristics and transmission structures for the UHD program, and characteristics of elements configuring the UHD service in each event unit. have.
- the UHD_component_descriptor illustrated in FIG. 18 may further include a component_tag field.
- the component_tag field may indicate a PID value for a corresponding stream signaled by PMT, which is a PSI level.
- the receiver may find the PID value of the corresponding stream together with the PMT using the component_tag field.
- 21 is a diagram illustrating an embodiment of a broadcast signal receiving method according to the present invention. An embodiment of a signal receiving method according to the present invention will be described below.
- the HD video is decoded and output or the UHD video is reconstructed and output using the HD video and the residual data (S220).
- S210 and S220 Detailed description of S210 and S220 is illustrated in FIG. 9.
- An embodiment of the signal receiving method according to the present invention may receive signaling information and perform step S220 using the signaling information. Description of the signaling information has been described with reference to FIGS. 10 to 20.
- the HD video stream, the stream of the residual data, and the signaling information may be demultiplexed, respectively.
- the demultiplexed signaling information is decoded, and the demultiplexed HD video can be reconstructed according to the decoded signaling information, or the UHD video can be reconstructed by using the demultiplexed HD video stream and residual data streams.
- FIG. 22 is a diagram illustrating an embodiment of a signal transmission apparatus according to the present invention.
- An embodiment of a signal transmission apparatus may include a converter 310 and a transmitter 340.
- the converter 310 converts the UHD video into an HD video.
- the UHD video of a first frame rate is converted into a progressive HD video of a first frame rate
- the progressive HD video of the converted first frame rate is converted into the first video. It can be converted to progressive HD video of the second frame rate, which is 1/2 of one frame rate, or converted to interlaced HD video of the first frame rate.
- UHD video of a first frame rate is converted to progressive HD video of a second frame rate that is 1/2 of the first frame rate, or interleaced of the first frame rate. Can convert to HD video.
- FIG. 3 An embodiment of converting UHD video into HD video is illustrated in FIG. 3.
- the transmitter 340 transmits the HD video converted by the converter 310 and residual data capable of reconstructing the UHD video together with the converted HD video.
- An embodiment of the apparatus for transmitting a signal according to the present invention may further include a signaling unit 320 and a multiplexing unit 330.
- the signaling unit 320 generates signaling information that can be restored to UHD video using the transmitted HD video and the HD video. Description of the signaling information is illustrated in detail with reference to FIGS. 10 and 20.
- the multiplexer 330 multiplexes the HD video, residual data converted by the transformer 310, and signaling information generated by the signaling unit 320.
- the transmitter 340 may transmit a signal multiplexed by the multiplexer 330.
- FIG. 23 is a diagram illustrating an embodiment of a signal receiving apparatus according to the present invention.
- An embodiment of the apparatus for receiving a signal according to the present invention may include a receiver 410, a decoder 440, and an output unit 450.
- the receiver 410 receives the HD video and residual data capable of reconstructing the UHD video together with the HD video.
- the decoding unit 440 may decode the HD video or reconstruct the UHD video using the HD video and the residual data.
- the output unit 450 may decode the HD video or reconstruct the UHD video using the HD video and the residual data.
- the decoding unit 440 and the output unit 450 are described in detail with reference to S210 and S220 in FIG. 9.
- An embodiment of the apparatus for receiving a signal according to the present invention may further include a demultiplexer 420 and a signaling information decoder 430.
- the demultiplexer 420 demultiplexes the HD video stream, the stream of the residual data, and the signaling information. Can be.
- the signaling information decoder 420 may decode the demultiplexed signaling information.
- the decoder 440 may restore the HD video demultiplexed by the demultiplexer 420 or reconstruct the UHD video by using the demultiplexed HD video stream and residual data streams according to the decoded signaling information.
- the present invention has industrial applicability that is usable and repeatable in the field of broadcast and video signal processing.
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Abstract
Description
Claims (12)
- UHD 비디오로부터 HD 비디오를 생성하고, 상기 변환된 HD 비디오와 상기 UHD 비디오 중 상기 변환된 HD 비디오의 나머지 데이터인 residual data를 생성하는 단계; 및상기 변환된 HD 비디오를 base layer 스트림으로, 상기 residual data를 인핸스먼트 레이어 스트림으로 전송하는 단계;를 포함하는 신호 송신 방법.
- 제 1항에 있어서,상기 생성하는 단계는,제 1 frame rate의 UHD 비디오로부터, 제 1 프레임 레잇의 progressive HD 비디오로 변환하는 단계; 및상기 변환된 제 1 프레임 레잇의 progressive HD 비디오를, 상기 제 1 프레임 레잇의 1/2인 제 2 프레임 레잇의 progressive HD 비디오로 변환하거나, 또는 상기 제 1 프레임 레잇의 interlaced HD 비디오로 변환하는 단계를 포함하는 신호 송신 방법.
- 제 1항에 있어서, 상기 생성하는 단계는,제 1 frame rate의 UHD 비디오를, 상기 제 1 프레임 레잇의 1/2인 제 2 프레임 레잇의 progressive HD 비디오로 변환하거나, 또는 상기 제 1 프레임 레잇의 interleaced HD 비디오로 변환하는 단계를 포함하는 신호 송신 방법.
- 제 1항에 있어서,상기 신호 송신 방법은,상기 base layer 스트림, 상기 인핸스먼트 레이어 스트림들을 시그널링하는 시그널링 정보를 생성하는 단계; 및상기 base layer 스트림, 상기 인핸스먼트 레이어 스트림, 및 상기 시그널링 정보를 다중화 하는 단계를 더 포함하는 신호 송신 방법.
- HD 비디오와 상기 HD 비디오와 함께 UHD 비디오를 복원할 수 있는 residual data를 수신하는 단계; 및상기 HD 비디오를 디코딩하여 출력하거나, 상기 HD 비디오와 상기 residual data를 이용하여 상기 UHD 비디오를 복원하여 출력하는 단계;를 포함하는 신호 수신 방법.
- 제 4항에 있어서,상기 신호 수신 방법은,상기 HD 비디오, 상기 residual data, 및 상기 HD 비디오, 상기 residual data를 시그널링하는 시그널링 정보를 각각 역다중화하는 단계;를 더 포함하고,상기 출력하는 단계는, 상기 역다중화한 시그널링 정보를 이용하여 상기 상기 HD 비디오를 디코딩하여 출력하거나, 상기 HD 비디오와 상기 residual data를 이용하여 상기 UHD 비디오를 복원하여 출력하는 신호 수신 방법
- UHD 비디오로부터 HD 비디오를 생성하고, 상기 변환된 HD 비디오와 상기 UHD 비디오 중 상기 변환된 HD 비디오의 나머지 데이터인 residual data를 생성하는 변환부; 및상기 변환된 HD 비디오를 base layer 스트림으로, 상기 residual data를 인핸스먼트 레이어 스트림으로 전송하는 전송부;를 포함하는 신호 송신 장치.
- 제 7항에 있어서,상기 변환부는,제 1 frame rate의 UHD 비디오로부터, 제 1 프레임 레잇의 progressive HD 비디오로 변환하고, 상기 변환된 제 1 프레임 레잇의 progressive HD 비디오를, 상기 제 1 프레임 레잇의 1/2인 제 2 프레임 레잇의 progressive HD 비디오로 변환하거나, 또는 상기 제 1 프레임 레잇의 interlaced HD 비디오로 변환하는, 신호 송신 장치
- 제 7항에 있어서,상기 변환부는,제 1 frame rate의 UHD 비디오를, 상기 제 1 프레임 레잇의 1/2인 제 2 프레임 레잇의 progressive HD 비디오로 변환하거나, 또는 상기 제 1 프레임 레잇의 interleaced HD 비디오로 변환하는, 신호 송신 장치.
- 제 7항에 있어서,신호 송신 장치는,상기 base layer 스트림, 상기 인핸스먼트 레이어 스트림들을 시그널링하는 시그널링 정보를 생성하는 시그널링부; 및상기 base layer 스트림, 상기 인핸스먼트 레이어 스트림, 및 상기 시그널링 정보를 다중화 하는 다중화부;를 더 포함하는, 신호 송신 장치.
- HD 비디오와 상기 HD 비디오와 함께 UHD 비디오를 복원할 수 있는 residual data를 수신하는 수신부; 및상기 HD 비디오를 디코딩하여 출력하거나, 상기 HD 비디오와 상기 residual data를 이용하여 상기 UHD 비디오를 복원하여 출력하는 출력부;를 포함하는 신호 수신 장치.
- 제 11항에 있어서,상기 HD 비디오, 상기 residual data, 및 상기 HD 비디오, 상기 residual data를 시그널링하는 시그널링 정보를 각각 역다중화하는 역다중화부;를 더 포함하고,상기 출력하는 단계는, 상기 역다중화한 시그널링 정보를 이용하여 상기 상기 HD 비디오를 디코딩하여 출력하거나, 상기 HD 비디오와 상기 residual data를 이용하여 상기 UHD 비디오를 복원하여 출력하는 복원부;를 더 포함하는 신호 수신 장치.
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CN201380042424.8A CN104541511A (zh) | 2012-08-10 | 2013-08-08 | 信号收发装置和信号收发方法 |
US14/415,516 US9451205B2 (en) | 2012-08-10 | 2013-08-08 | Signal transceiving apparatus and signal transceiving method |
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EP13827560.7A EP2884752A4 (en) | 2012-08-10 | 2013-08-08 | SIGNAL TRANSMISSION DEVICE AND SIGNAL TRANSMISSION METHOD |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015534751A (ja) * | 2012-11-19 | 2015-12-03 | エルジー エレクトロニクス インコーポレイティド | 信号送受信装置及び信号送受信方法 |
JP2016096524A (ja) * | 2014-11-17 | 2016-05-26 | 株式会社東芝 | 電子機器及び信号処理方法 |
JP2016213888A (ja) * | 2012-09-07 | 2016-12-15 | ソニー株式会社 | 送信装置、送信方法、受信装置および受信方法 |
JPWO2016017397A1 (ja) * | 2014-07-31 | 2017-04-27 | ソニー株式会社 | 送信装置、送信方法、受信装置および受信方法 |
EP3133816A4 (en) * | 2014-04-14 | 2017-11-15 | Sony Corporation | Transmission device, transmission method, reception device, and reception method |
EP3220653A4 (en) * | 2014-11-13 | 2018-04-04 | Sony Corporation | Reception device, reception method, transmission device, and transmission method |
EP4262213A1 (en) * | 2015-02-27 | 2023-10-18 | Sony Group Corporation | Transmitting device, transmitting method, receiving device and receiving method |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9668015B2 (en) * | 2012-11-28 | 2017-05-30 | Sony Corporation | Using extra space on ultra high definition display presenting high definition video |
US9729817B2 (en) * | 2013-11-05 | 2017-08-08 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Parallel pipelines for multiple-quality level video processing |
CN108141622B (zh) * | 2015-09-30 | 2021-03-23 | 索尼公司 | 发送装置、发送方法、接收装置和接收方法 |
US11115689B2 (en) * | 2015-10-13 | 2021-09-07 | Sony Corporation | Transmission apparatus, transmission method, reception apparatus, and reception method |
KR20240017138A (ko) | 2016-02-09 | 2024-02-06 | 소니그룹주식회사 | 송신 장치, 송신 방법, 수신 장치 및 수신 방법 |
US10944974B2 (en) | 2017-01-11 | 2021-03-09 | Raytheon Company | Method for encoding and processing raw UHD video via an existing HD video architecture |
US11190724B2 (en) | 2017-03-10 | 2021-11-30 | Raytheon Company | Adaptive bitrate streaming of UHD image data |
JP7026450B2 (ja) * | 2017-04-24 | 2022-02-28 | ソニーグループ株式会社 | 送信装置、送信方法、受信装置および受信方法 |
JP6982990B2 (ja) | 2017-06-19 | 2021-12-17 | ソニーグループ株式会社 | 送信装置、送信方法、受信装置および受信方法 |
CN109040840B (zh) * | 2018-09-20 | 2021-09-21 | 深圳市道通智能航空技术股份有限公司 | 图像传输方法、装置、图像发送端及飞行器图传系统 |
KR102612362B1 (ko) * | 2018-12-27 | 2023-12-11 | 한국전자통신연구원 | 고화질 방송 영상 송수신 방법 및 장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040080164A (ko) * | 2003-03-11 | 2004-09-18 | 엘지전자 주식회사 | 데이터 전송장치 |
JP2009212881A (ja) * | 2008-03-05 | 2009-09-17 | Nippon Telegr & Teleph Corp <Ntt> | データ並列配信方法とシステムおよびプログラム |
KR20110055011A (ko) * | 2009-11-19 | 2011-05-25 | 에이스텔 주식회사 | 초고화질 영상을 위한 실시간 입출력 모듈 시스템 |
KR20120019754A (ko) * | 2010-08-26 | 2012-03-07 | 에이스텔 주식회사 | 초고화질 영상 모듈을 이용한 디지털 방송수신 시스템 |
KR20120058700A (ko) * | 2010-11-27 | 2012-06-08 | 전자부품연구원 | 디지털 방송의 전송 모드 제공 및 인지 방법 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002010251A (ja) | 2000-06-19 | 2002-01-11 | Matsushita Electric Ind Co Ltd | 映像信号符号化装置および映像信号復号化装置 |
US20080043832A1 (en) | 2006-08-16 | 2008-02-21 | Microsoft Corporation | Techniques for variable resolution encoding and decoding of digital video |
KR100905723B1 (ko) * | 2006-12-08 | 2009-07-01 | 한국전자통신연구원 | 비실시간 기반의 디지털 실감방송 송수신 시스템 및 그방법 |
WO2008111005A1 (en) * | 2007-03-15 | 2008-09-18 | Nokia Corporation | System and method for providing improved residual prediction for spatial scalability in video coding |
WO2009147795A1 (ja) * | 2008-06-05 | 2009-12-10 | パナソニック株式会社 | 映像処理システム |
JP2010011154A (ja) * | 2008-06-27 | 2010-01-14 | Pioneer Electronic Corp | 画像生成装置及び画像再生装置 |
KR101012980B1 (ko) | 2009-03-16 | 2011-02-10 | 한국방송공사 | 계층적 방송 장치 및 방법 |
WO2010126227A2 (en) * | 2009-04-27 | 2010-11-04 | Lg Electronics Inc. | Broadcast receiver and 3d video data processing method thereof |
CA2777016C (en) * | 2009-10-13 | 2015-10-20 | Lg Electronics Inc. | Broadcast receiver and 3d video data processing method thereof |
JP2011232225A (ja) | 2010-04-28 | 2011-11-17 | Toshiba Corp | 燃料取替機制御システム |
US8780991B2 (en) * | 2010-09-14 | 2014-07-15 | Texas Instruments Incorporated | Motion estimation in enhancement layers in video encoding |
JP2013090296A (ja) * | 2011-10-21 | 2013-05-13 | Sharp Corp | 符号化装置、送信装置、符号化方法、復号装置、受信装置、復号方法、プログラム、および記録媒体 |
FR2982134B1 (fr) | 2011-11-07 | 2013-11-15 | Renault Sas | Support de tablette tactile |
-
2013
- 2013-08-08 US US14/415,516 patent/US9451205B2/en active Active
- 2013-08-08 CN CN201380042424.8A patent/CN104541511A/zh active Pending
- 2013-08-08 WO PCT/KR2013/007154 patent/WO2014025213A1/ko active Application Filing
- 2013-08-08 KR KR1020147036712A patent/KR20150059722A/ko not_active Application Discontinuation
- 2013-08-08 MX MX2015001773A patent/MX341101B/es active IP Right Grant
- 2013-08-08 EP EP13827560.7A patent/EP2884752A4/en not_active Withdrawn
- 2013-08-08 JP JP2015526467A patent/JP6073477B2/ja not_active Expired - Fee Related
- 2013-08-08 DE DE112013003531.6T patent/DE112013003531T5/de not_active Ceased
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040080164A (ko) * | 2003-03-11 | 2004-09-18 | 엘지전자 주식회사 | 데이터 전송장치 |
JP2009212881A (ja) * | 2008-03-05 | 2009-09-17 | Nippon Telegr & Teleph Corp <Ntt> | データ並列配信方法とシステムおよびプログラム |
KR20110055011A (ko) * | 2009-11-19 | 2011-05-25 | 에이스텔 주식회사 | 초고화질 영상을 위한 실시간 입출력 모듈 시스템 |
KR20120019754A (ko) * | 2010-08-26 | 2012-03-07 | 에이스텔 주식회사 | 초고화질 영상 모듈을 이용한 디지털 방송수신 시스템 |
KR20120058700A (ko) * | 2010-11-27 | 2012-06-08 | 전자부품연구원 | 디지털 방송의 전송 모드 제공 및 인지 방법 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2884752A4 * |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10432957B2 (en) | 2012-09-07 | 2019-10-01 | Saturn Licensing Llc | Transmission device, transmitting method, reception device, and receiving method |
US11700388B2 (en) | 2012-09-07 | 2023-07-11 | Saturn Licensing Llc | Transmission device, transmitting method, reception device, and receiving method |
JP2016213888A (ja) * | 2012-09-07 | 2016-12-15 | ソニー株式会社 | 送信装置、送信方法、受信装置および受信方法 |
JP2016213887A (ja) * | 2012-09-07 | 2016-12-15 | ソニー株式会社 | 送信装置、送信方法、受信装置および受信方法 |
JP2016220233A (ja) * | 2012-09-07 | 2016-12-22 | ソニー株式会社 | 送信装置、送信方法、受信装置および受信方法 |
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JP2015534751A (ja) * | 2012-11-19 | 2015-12-03 | エルジー エレクトロニクス インコーポレイティド | 信号送受信装置及び信号送受信方法 |
US9749580B2 (en) | 2012-11-19 | 2017-08-29 | Lg Electronics Inc. | Signal transceiving apparatus and signal transceiving method |
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US10506264B2 (en) | 2014-04-14 | 2019-12-10 | Sony Corporation | Transmission device, transmission method, reception device, and reception method |
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US11800162B2 (en) | 2014-04-14 | 2023-10-24 | Sony Corporation | Transmission device, transmission method, reception device, and reception method |
JPWO2016017397A1 (ja) * | 2014-07-31 | 2017-04-27 | ソニー株式会社 | 送信装置、送信方法、受信装置および受信方法 |
EP3220653A4 (en) * | 2014-11-13 | 2018-04-04 | Sony Corporation | Reception device, reception method, transmission device, and transmission method |
US11343549B2 (en) | 2014-11-13 | 2022-05-24 | Saturn Licensing Llc | Reception apparatus, reception method, transmission apparatus, and transmission method |
JP2016096524A (ja) * | 2014-11-17 | 2016-05-26 | 株式会社東芝 | 電子機器及び信号処理方法 |
EP4262213A1 (en) * | 2015-02-27 | 2023-10-18 | Sony Group Corporation | Transmitting device, transmitting method, receiving device and receiving method |
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DE112013003531T5 (de) | 2015-04-23 |
US20150229878A1 (en) | 2015-08-13 |
CN104541511A (zh) | 2015-04-22 |
JP2015530025A (ja) | 2015-10-08 |
US9451205B2 (en) | 2016-09-20 |
MX341101B (es) | 2016-08-08 |
KR20150059722A (ko) | 2015-06-02 |
JP6073477B2 (ja) | 2017-02-01 |
MX2015001773A (es) | 2015-05-12 |
EP2884752A4 (en) | 2016-01-27 |
EP2884752A1 (en) | 2015-06-17 |
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