Abstract: A data transmission method according to one aspect of the present disclosure includes: generating a plurality of MPUs, reference clock time information, and leading clock time information indicating a leading PTS that is a clock time at which a leading access unit in the MPU is presented, transmitting the generated plurality of MPUs, reference clock time information, and leading clock time information, wherein the leading clock time information indicates the leading PTS of the plurality of MPUs of which presentation is started after the leading clock time information is transmitted in the generated plurality of MPUs, and each of the generated plurality of MPUs indicates a time point at which each access unit that does not exist in a head of the MPU is presented as a relative value to a time point of another access unit in the MPU.

Abstract: A transmitting method according to one aspect of the present disclosure includes transmitting a first stream, the first stream including: timing update identification information id1 indicating whether or not a correspondence relationship between a first reference clock and a second reference clock has been updated, the first reference clock being used to transmit and receive the first stream, and the second reference clock being used to transmit and receive a second stream related to another content to be reproduced in synchronization with the content related to the first stream; a first time according to the first reference clock; and a second time according to the second reference clock, the second time being associated with the first time based on the updated correspondence relationship.

Abstract: A transmitting method according to one aspect of the present disclosure includes transmitting a first stream, the first stream including: timing update identification information id1 indicating whether or not a correspondence relationship between a first reference clock and a second reference clock has been updated, the first reference clock being used to transmit and receive the first stream, and the second reference clock being used to transmit and receive a second stream related to another content to be reproduced in synchronization with the content related to the first stream; a first time according to the first reference clock; and a second time according to the second reference clock, the second time being associated with the first time based on the updated correspondence relationship.

Abstract: A transmitting method according to one aspect of the present disclosure includes transmitting video control information for reproduction of video data having an individually reproducible unit, transmitting the video data, determining a transmission order of audio control information for reproduction of audio data in a reproduction interval corresponding to a reproduction interval of the video data in such a way that the audio control information is transmitted after the video control information, and transmitting the audio control information according to the determined transmission order, and transmitting the audio data. Thus, in the receiving apparatus, a delay time from reception of data to reproduction of video and audio is shortened.

Abstract: A transmitting method for transmitting contents using a broadcast wave and a communication path comprises: including content information in application control information when transmitting the contents using both the broadcast wave and the communication path, the content information being information for synchronizing a content transmitted by using the broadcast wave with a content transmitted by using the communication path at a reception side that receives the contents and being related to the content transmitted by using the communication path; and transmitting the application control information by using at least the broadcast wave in the broadcast wave and the communication path. As a result, a contents transmitting method is provided for enabling a quick access to contents through communication when the contents are reproduced by a combination of broadcast and communication on the receiving side.

Abstract: A transmission method includes generating one or more frames for content transfer using IP (Internet Protocol) packets, and transmitting the one or more generated frames by broadcast. Each of the one or more frames contains a plurality of second transfer units, each of the plurality of second transfer units contains one or more first transfer units, and each of the one or more first transfer units contains at least one of the IP packets. An object IP packet of the IP packets which is stored in a first transfer unit positioned at a head in the one or more frames contains reference clock information that indicates time for reproduction of the content in data structure different from data structure of an MMT (MPEG Media Transport) packet, and header compression processing on the object IP packet is omitted.

Abstract: A transmitting method according to one aspect of the present disclosure includes transmitting video control information for reproduction of video data having an individually reproducible unit, transmitting the video data, determining a transmission order of audio control information for reproduction of audio data in a reproduction interval corresponding to a reproduction interval of the video data in such a way that the audio control information is transmitted after the video control information, and transmitting the audio control information according to the determined transmission order, and transmitting the audio data. Thus, in the receiving apparatus, a delay time from reception of data to reproduction of video and audio is shortened.

Abstract: A transmitting method according to one aspect of the present disclosure includes: encoding a video signal and generating encoded data including a plurality of access units; storing the plurality of access units in a packet in a unit that defines one access unit as one unit or in a unit defined by dividing one access unit, and generating a packet group; transmitting the generated packet group as data; generating first information and second information, the first information indicating a presentation time of a first access unit that is presented first among the plurality of access units, and the second information being used to calculate a decoding time of the plurality of access units; and transmitting the first information and the second information as control information.

Abstract: According to one aspect of the present disclosure, a transmission method for enabling transmission of content using a broadcast and a communication channel includes: transmitting playback control information and service information using at least the broadcast wave, the service information being information for playing back content transmission using the broadcast and content transmission using the communication channel when the content is transmitted using the broadcast and the communication channel. The service information includes the content and location information that indicates a location for acquiring meta-information on playback control of the second content. The playback control information includes indexes of a relationship between the first content data and the second content data.

Abstract: A transmitting method according to one aspect of the present disclosure includes transmitting video control information for reproduction of video data having an individually reproducible unit, transmitting the video data, determining a transmission order of audio control information for reproduction of audio data in a reproduction interval corresponding to a reproduction interval of the video data in such a way that the audio control information is transmitted after the video control information, and transmitting the audio control information according to the determined transmission order, and transmitting the audio data. Thus, in the receiving apparatus, a delay time from reception of data to reproduction of video and audio is shortened.

Abstract: A transmitting method for transmitting contents using a broadcast wave and a communication path comprises: including content information in application control information when transmitting the contents using both the broadcast wave and the communication path, the content information being information for synchronizing a content transmitted by using the broadcast wave with a content transmitted by using the communication path at a reception side that receives the contents and being related to the content transmitted by using the communication path; and transmitting the application control information by using at least the broadcast wave in the broadcast wave and the communication path. As a result, a contents transmitting method is provided for enabling a quick access to contents through communication when the contents are reproduced by a combination of broadcast and communication on the receiving side.

Abstract: A transmission method includes generating one or more frames for content transfer using IP packets, and transmitting the one or more generated frames by broadcast. Each of the one or more frames contains a plurality of second transfer units, each of the plurality of second transfer units contains one or more first transfer units, each of the one or more first transfer units contains at least one of the IP packets, an object IP packet of the IP packets contains first reference clock information indicating time for reproduction of the content in data structure different from MMT packet data structure, the object IP packet being stored in a first transfer unit positioned at a head in the one or more frames, the one or more frames contains control information storing second reference clock information indicating time for reproduction of the content, and header compression processing on the object IP packet is omitted.

Abstract: A transmission method includes: generating one or more transfer frames that each store one or more streams used for content transfer; and transmitting the one or more generated frames through broadcast, each of the one or more streams storing one or more second transfer units, each of the one or more second transfer units storing one or more first transfer units, and each of the one or more first transfer units storing one or more Internet Protocol (IP) packets. In at least one stream among the one or more streams, each of the first transfer units positioned at a head contains reference clock information indicating time used for reproduction of the content.

Abstract: A transmitting method according to one aspect of the present disclosure includes: encoding a video signal and generating encoded data including a plurality of access units; storing the plurality of access units in a packet in a unit that defines one access unit as one unit or in a unit defined by dividing one access unit, and generating a packet group; transmitting the generated packet group as data; generating first information and second information, the first information indicating a presentation time of a first access unit that is presented first among the plurality of access units, and the second information being used to calculate a decoding time of the plurality of access units; and transmitting the first information and the second information as control information.

Abstract: According to one aspect of the present disclosure, a transmission method for enabling transmission of content using a broadcast and a communication channel includes: transmitting playback control information and service information using at least the broadcast wave, the service information being information for playing back content transmission using the broadcast and content transmission using the communication channel when the content is transmitted using the broadcast and the communication channel. The service information includes attribute information indicating that the first content data and the second content data constitute the content and location information that indicates a location for acquiring meta-information on playback control of the second content. The playback control information includes indexes of a relationship between the first content data and the second content data.

Abstract: A transmission method includes generating one or more frames for content transfer using IP packets, and transmitting the one or more generated frames by broadcast. Each of the one or more frames contains a plurality of second transfer units, each of the plurality of second transfer units contains one or more first transfer units, each of the one or more first transfer units contains at least one of the IP packets, an object IP packet of the IP packets contains first reference clock information indicating time for reproduction of the content in data structure different from MMT packet data structure, the object IP packet being stored in a first transfer unit positioned at a head in the one or more frames, the one or more frames contains control information storing second reference clock information indicating time for reproduction of the content, and header compression processing on the object IP packet is omitted.

Abstract: A transmission method includes: generating one or more transfer frames that each store one or more streams used for content transfer; and transmitting the one or more generated frames through broadcast, each of the one or more streams storing one or more second transfer units, each of the one or more second transfer units storing one or more first transfer units, and each of the one or more first transfer units storing one or more Internet Protocol (IP) packets. In at least one stream among the one or more streams, each of the first transfer units positioned at a head contains reference clock information indicating time used for reproduction of the content.

Abstract: A transmission method includes generating one or more frames for content transfer using IP (Internet Protocol) packets, and transmitting the one or more generated frames by broadcast. Each of the one or more frames contains a plurality of second transfer units, each of the plurality of second transfer units contains one or more first transfer units, and each of the one or more first transfer units contains at least one of the IP packets. An object IP packet of the IP packets which is stored in a first transfer unit positioned at a head in the one or more frames contains reference clock information that indicates time for reproduction of the content in data structure different from data structure of an MMT (MPEG Media Transport) packet, and header compression processing on the object IP packet is omitted.

Abstract: According to one aspect of the present disclosure, a reception method in broadcast and broadband cooperation service, the reception method includes: receiving broadcast content transmitted through broadcast; receiving acquisition information through the broadcast, the acquisition information being information used to play back broadband content transmitted through broadband while the broadband content is synchronized with the received broadcast content, the acquisition information being information relating to acquisition of the broadband content; and acquiring the broadband content based on the received acquisition information. Therefore, the broadband content can properly be acquired in response to the reception of the broadcast content.

Abstract: A transmission method includes: generating one or more transfer frames that each store one or more streams used for content transfer; and transmitting the one or more generated frames through broadcast, each of the one or more streams storing one or more second transfer units, each of the one or more second transfer units storing one or more first transfer units, and each of the one or more first transfer units storing one or more Internet Protocol (IP) packets. In at least one stream among the one or more streams, each of the first transfer units positioned at a head contains reference clock information indicating time used for reproduction of the content.