# US 2021/0344977 A1 · Broadcasting signal transmitting device, broadcasting signal receiving device, broadcasting signal transmitting method, and broadcasting signal receiving method

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- Number: US 2021/0344977 A1
- Document ID: US20210344977A1
- Status: Published application
- Kind: A1
- Application number: 17/374,639
- Filed: 2021-07-13
- Published: 2021-11-04
- Earliest claimed: 2014-09-25
- Assignees: LG Electronics Inc.
- Applicants: LG Electronics Inc.
- Inventors: Sejin OH; Minsung KWAK; Woosuk KWON; Kyoungsoo MOON; Jangwon LEE; Woosuk KO; Sungryong HONG
- Web page: https://patentgrep.com/patent/US20210344977A1

## CPC

- H04N 21/2362: Generation or processing of Service Information [SI]
- H04H 60/07: characterised by processes or methods for the generation
- H04H 60/73: using meta-information
- H04L 61/5007: Internet protocol [IP] addresses
- H04L 69/16: Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04N 21/234: Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N 21/2343: involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements {(video transcoding H04N19/40; media packet handling at the source H04L65/762)}
- H04N 21/236: 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 {(multiplexing of data packets for data networks, e.g. RTP/UDP H04L65/00)}
- H04N 21/2383: Channel coding {or modulation} of digital bit-stream, e.g. QPSK modulation (arrangements for detecting or preventing errors in the information received by adapting the channel coding H04L1/0009; analogue front ends or means for connecting modulators, demodulators or transceivers to a transmission line H04L27/0002)
- H04N 21/6332: directed to client
- H04N 21/64322: {IP}
- H04N 21/8586: {by using a URL (processing chained hypermedia data for information retrieval G06F16/94; information retrieval from the Internet by using URLs G06F16/955; URL in broadcast information H04H20/93; Web-based protocols H04L67/02)}
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04H: BROADCAST COMMUNICATION (multiplex communication H04J; pictorial communication aspects of broadcast systems H04N)
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)

## Abstract

A method of processing data in a digital receiving apparatus, the method including receiving a broadcast signal including low level signaling data, wherein the low level signaling data is carried via a specific data pipe (DP), wherein the low level signaling data includes service category information, the service category information is used to identify an AV service, an audio only service or an TSG (electronic service guide) service, wherein the low level signaling data is used to provide bootstrap information that allows the receiving apparatus to discover at least one service layer signaling information, wherein the bootstrap information includes URL data for a first service layer signaling information when the first service layer signaling information is transmitted via a broadband network, and wherein the bootstrap information includes a destination user datagram protocol (UDP) port number and a destination internet protocol (IP) address for a second service layer signaling information when the second service layer signaling information is transmitted via a broadcast network; and parsing the low level signaling data included in the broadcast signal, wherein the low level signaling data is parsed, and then the first service layer signaling information or the second service layer signaling information is processed.

## Claims

### Claim 1

A method of processing data in a digital receiving apparatus, the method comprising:
receiving a broadcast signal including low level signaling data,
wherein the low level signaling data is carried via a specific data pipe (DP),
wherein the low level signaling data includes service category information, the service category information is used to identify an AV service, an audio only service or an ESG (electronic service guide) service,
wherein the low level signaling data is used to provide bootstrap information that allows the receiving apparatus to discover at least one service layer signaling information,
wherein the bootstrap information includes URL data for a first service layer signaling information when the first service layer signaling information is transmitted via a broadband network, and
wherein the bootstrap information includes a destination user datagram protocol (UDP) port number and a destination internet protocol (IP) address for a second service layer signaling information when the second service layer signaling information is transmitted via a broadcast network; and
parsing the low level signaling data included in the broadcast signal,
wherein the low level signaling data is parsed, and then the first service layer signaling information or the second service layer signaling information is processed.

### Claim 2 (depends on 1)

The method of claim 1, wherein the low level signaling data further includes data pipe identification information for identifying a data pipe carrying the first or second service layer signaling information.

### Claim 3 (depends on 2)

The method of claim 2, wherein the low level signaling data further includes service identification information for identifying each of the at least one service and hidden information for indicating whether the each of the at least one service is hidden.

### Claim 4

A digital receiving apparatus of processing data, the receiving apparatus comprising:
a receiving module configured to receive a broadcast signal including low level signaling data,
wherein the low level signaling data is carried via a specific data pipe (DP),
wherein the low level signaling data includes service category information, the service category information is used to identify an AV service, an audio only service or an ESG (electronic service guide) service,
wherein the low level signaling data is used to provide bootstrap information that allows the receiving apparatus to discover at least one service layer signaling information,
wherein the bootstrap information includes URL data for a first service layer signaling information when the first service layer signaling information is transmitted via a broadband network, and
wherein the bootstrap information includes a destination user datagram protocol (UDP) port number and a destination internet protocol (IP) address for a second service layer signaling information when the second service layer signaling information is transmitted via a broadcast network, and
a processor configured to:
parse the low level signaling data included in the broadcast signal,
wherein the low level signaling data is processed, and then the first service layer signaling information or the second service layer signaling information is processed.

### Claim 5 (depends on 4)

The digital receiving apparatus of claim 4, wherein the low level signaling data further includes data pipe identification information for identifying a data pipe carrying the first or second service layer signaling information.

### Claim 6 (depends on 5)

The digital receiving apparatus of claim 5, wherein the low level signaling data further includes service identification information for identifying each of the at least one service and hidden information for indicating whether the each of the at least one service is hidden.

### Claim 7

A method of processing data in a digital transmitting apparatus, the method composing:
generating low level signaling data; and
transmitting a broadcast signal including the low level signaling data,
wherein the low level signaling data is carried via a specific data pipe (DP),
wherein the low level signaling data includes service category information, the service category information is used to identity an AV service, an audio only service or an ESG (electronic service guide) service,
wherein the low level signaling data is used to provide bootstrap information that allows the receiving apparatus to discover at least one service layer signaling information,
wherein the bootstrap information includes URL data for a first service layer signaling information when the first service layer signaling information is transmitted via a broadband network, and
wherein the bootstrap information includes a destination user datagram protocol (UDP) port number and a destination internet protocol (IP) address for a second service layer signaling information when the second service layer signaling information is transmitted via a broadcast network.

### Claim 8 (depends on 7)

The method of claim 7, wherein the low level signaling data further includes data pipe identification information for identifying a data pipe carrying the first or second service layer signaling information.

### Claim 9 (depends on 8)

The method of claim 8, wherein the low level signaling data further includes service identification information for identifying each of the at least one service and hidden information for indicating whether the each of the at least one service is hidden.

### Claim 10

A digital transmitting apparatus of processing data, the digital transmitting apparatus comprising:
a processor configured to generate low level signaling data; and
a transmitter configured to transmit a broadcast signal including the low level signaling data,
wherein the low level signaling data is carried via a specific data pipe (DP),
wherein the low level signaling data includes service category information, the service category information is used to identify an AV service, an audio only service or an ESG (electronic service guide) service,
wherein the low level signaling data is used to provide bootstrap information that allows the receiving apparatus to discover at least one service layer signaling information,
wherein the bootstrap information includes URL data for a first service layer signaling information when the first service layer signaling information is transmitted via a broadband network, and
wherein the bootstrap information includes a destination user datagram protocol (UDP) port number and a destination internet protocol (IP) address for a second service layer signaling information when the second service layer signaling information is transmitted via a broadcast network.

### Claim 11 (depends on 10)

The digital transmitting apparatus of claim 10, wherein the low level signaling data further includes data pipe identification information for identifying a data pipe carrying the first or second service layer signaling information.

### Claim 12 (depends on 11)

The digital transmitting apparatus of claim 11, wherein the low level signaling data further includes service identification information for identifying each of the at least one service and hidden information for indicating whether the each of the at least one service is hidden.