# US 8,542,621 B2 · Method of and apparatus for providing and receiving video service in digital audio broadcasting

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- Number: US 8,542,621 B2
- Document ID: US8542621B2
- Status: Granted
- Kind: B2
- Application number: 11/633,037
- Filed: 2006-12-04
- Published: 2007-06-14
- Granted: 2013-09-24
- Earliest claimed: 2005-12-10
- Assignees: Samsung Electronics Co., Ltd.
- Applicants: Jeong-hoon Park
- Inventors: Jeong-hoon Park
- Web page: https://patentgrep.com/patent/US8542621B2

## CPC

- H04H 20/72: of terrestrial networks
- H04H 20/30: by a single channel
- H04H 20/95: characterised by a specific format, e.g. an encoded audio stream
- H04H 2201/20: digital audio broadcasting [DAB]
- H04H: BROADCAST COMMUNICATION (multiplex communication H04J; pictorial communication aspects of broadcast systems H04N)

## Abstract

Methods and apparatuses for providing and receiving a video service in digital audio broadcasting (DAB) are provided. The method includes inserting a profile ID (identifier) indicating an encoding method used for a provided video service stream and program type information indicating the type of the provided video service stream into a fast information channel (FIC) that is different from a service data channel and multiplexing service data channel including the video service stream and the FIC into a transmission frame for transmission.

## Claims

### Claim 1

A method of providing a video service in digital audio broadcasting (DAB), the method comprising:
inserting a profile identifier (ID) that specifies an encoding method used to encode a provided video service stream and program type information that indicates a type of the provided video service stream into a fast information channel (FIC) that is different from a service data channel comprising the video service stream; and
multiplexing the service data channel and the FIC into a transmission frame for transmission,
wherein the encoding method is used to compress at least one of video and audio data in the provided video service stream.

### Claim 2 (depends on 1)

The method of claim 1, wherein the transmission frame is a DAB transmission frame and the video service stream comprises a video data stream or an audio data stream, or both audio and video data streams.

### Claim 3 (depends on 1)

The method of claim 1, wherein the profile ID comprises information that specifies a video coding method.

### Claim 4 (depends on 1)

The method of claim 1, wherein the FIC comprises fast information blocks (FIBs) of a predetermined size and a data field of each of the FIBs comprises at least one fast information group (FIG).

### Claim 5 (depends on 1)

The method of claim 1, wherein the FIC comprises fast information blocks (FIBs) of a predetermined size, a data field of each of the FIBs comprises at least one fast information group (FIG), and the profile ID and the program type information are included in a single FIG.

### Claim 6

A method of receiving a video service in digital audio broadcasting (DAB), the method comprising:
receiving a DAB transmission frame and analyzing an encoding method and a program type of a received encoded video service stream based on a profile identifier (ID) and program type information included in a fast information channel (FIC) of the DAB transmission frame that is received; and
decoding the encoded video service stream included in a service data channel that is different from the FIC according to the encoding method and the program type that are analyzed,
wherein the encoding method is used to compress at least one of video and audio data in the provided video service stream.

### Claim 7 (depends on 6)

The method of claim 6, wherein the video service stream comprises a video data stream or an audio data stream, or both audio and video data streams.

### Claim 8 (depends on 6)

The method of claim 6, wherein the profile ID comprises information that specifies a video coding method.

### Claim 9 (depends on 6)

The method of claim 6, wherein the FIC comprises fast information blocks (FIBs) of a predetermined size and a data field of each of the FIBs comprises at least one fast information group (FIG).

### Claim 10 (depends on 6)

The method of claim 6, wherein the FIC comprises fast information blocks (FIBs) of a predetermined size, a data field of each of the FIBs comprises at least one fast information group (FIG), and the profile ID and the program type information are included in a single FIG.

### Claim 11

An apparatus for processing a video service in digital audio broadcasting (DAB), the apparatus comprising:
an analyzing unit that receives a DAB transmission frame and analyzes an encoding method and a program type of a received encoded video service stream based on a profile identifier (ID) and program type information included in a fast information channel (FIC) of the DAB transmission frame that is received; and
a video service decoder driving unit driving a decoder that decodes the encoded video service stream included in a service data channel that is different from the FIC according to the encoding method and the program type that are analyzed,
wherein the encoding method is used to compress at least one of video and audio data in the provided video service stream.

### Claim 12 (depends on 11)

The apparatus of claim 11, wherein the video service stream comprises a video data stream or an audio data stream, or both audio and video data streams.

### Claim 13 (depends on 11)

The apparatus of claim 11, wherein the profile ID comprises information that specifies a video coding method.

### Claim 14

A transmitter for providing a video service in digital audio broadcasting (DAB), the transmitter comprising:
an encoder that encodes the video service as a provided video service stream in a service data channel according to an encoding method; and
a fast information channel (FIC) processing unit which generates a profile identifier (ID) that specifies the encoding method used to encode the provided video service stream and program type information that specifies a type of the provided video service stream in an FIC,
wherein the service data channel is different from the FIC and comprises the provided video service stream, which is encoded according to the encoding method that is specified by the profile ID,
wherein the transmitter transmits the service data channel that comprises the video service stream and the FIC that comprises the profile ID and the program type information in a transmission data frame,
wherein the encoding method is used to compress at least one of video and audio data in the provided video service stream.

### Claim 15 (depends on 14)

The transmitter of claim 14, wherein the video service stream comprises a video data stream or an audio data stream, or both audio and video data streams.

### Claim 16 (depends on 14)

The transmitter of claim 14, wherein the profile ID comprises information that specifies a video coding method.

### Claim 17 (depends on 14)

The transmitter of claim 14, wherein the FIC comprises fast information blocks (FIBs) of a predetermined size and a data field of each of the FIBs comprises at least one fast information group (FIG).

### Claim 18 (depends on 14)

The transmitter of claim 14, wherein the FIC comprises fast information blocks (FIBs) of a predetermined size, a data field of each of the FIBs comprises at least one fast information group (FIG), and the profile ID and the program type information are included in a single FIG.

### Claim 19

A method of providing a video service in digital audio broadcasting (DAB), the method comprising:
inserting information that specifies a main component of a provided video service stream into a predetermined channel that is different from a service data channel that comprises the video service stream; and
multiplexing the service data channel and the predetermined channel into a transmission frame for transmission,
wherein the predetermined channel is a fast information channel (FIC), and a profile identifier (ID) that specifies an encoding method used for the video service stream is included in the FIC of the DAB transmission frame,
wherein the encoding method is used to compress at least one of video and audio data in the provided video service stream.

### Claim 20 (depends on 19)

The method of claim 19, wherein the transmission frame is a DAB transmission frame and the video service stream comprises a video data stream or an audio data stream, or both audio and video data streams.

### Claim 21 (depends on 19)

The method of claim 19, wherein the information that specifies the main component of the video service stream indicates whether the main component of the video service is audio data or video data.

### Claim 22 (depends on 19)

The method of claim 19, wherein the information that specifies the main component of the video service is included in the FIC of the DAB transmission frame.

### Claim 23 (depends on 22)

The method of claim 22, wherein the profile ID comprises information that specifies a video coding method and an audio coding method.

### Claim 24 (depends on 22)

The method of claim 22, wherein the FIC comprises fast information blocks (FIBs) of a predetermined size, a data field of each of the FIBs comprises at least one fast information group (FIG), and the information that specifies the main component of the video service stream and the profile ID that specifies the encoding method used for the video service stream are included in a single FIG.

### Claim 25 (depends on 24)

The method of claim 24, wherein the FIG comprises a data service component type (DSCTy) field in which a type corresponding to an error resiliency method used in the video service is recorded.

### Claim 26

A method of receiving a video service in digital audio broadcasting (DAB), the method comprising:
receiving a DAB transmission frame, and analyzing information that specifies a main component of a provided video service stream and a profile identifier (ID) that specifies an encoding method used for the video service stream, included in a predetermined channel of the DAB transmission frame that is received, which is different from a service data channel; and
selectively decoding streams included in the video service stream based on the encoding method and the program type that are analyzed,
wherein the encoding method is used to compress at least one of video and audio data in the provided video service stream.

### Claim 27 (depends on 26)

The method of claim 26, wherein the video service stream comprises a video data stream or an audio data stream, or both audio and video data streams.

### Claim 28 (depends on 26)

The method of claim 26, wherein the transmission frame is the DAB transmission frame, and information regarding encoding of the video service stream and information regarding packetization of the video service stream are received through a fast information channel (FIC) of the received DAB transmission frame.

### Claim 29 (depends on 28)

The method of claim 28, wherein the FIC comprises fast information blocks (FIBs) of a predetermined size, a data field of each of the FIBs comprises at least one fast information group (FIG), and the information regarding encoding and the information regarding packetization are included in at least one FIG.

### Claim 30 (depends on 26)

The method of claim 26, wherein only audio data streams among data streams included in the video service stream are decoded if the information that specifies the main component of the video service indicates that the main component of the video service is audio data.

### Claim 31 (depends on 26)

The method of claim 26, wherein video data streams among data streams included in the video service stream are selectively decoded if the information that specifies the main component of the video service indicates that the main components of the video service is audio data.

### Claim 32 (depends on 26)

The method of claim 26, wherein only audio data is decoded by an audio decoder specified by the profile ID if the information specifying the main component of the video service indicates that the main component of the video service is audio data.

### Claim 33

An apparatus for processing a video service in digital audio broadcasting (DAB), the apparatus comprising:
an analyzing unit that receives a DAB transmission frame and analyzes information that indicates a main component of a provided video service stream and a profile identifier (ID) that specifies an encoding method used for the video service stream included in a predetermined channel of the DAB transmission frame that is received, which is different from a service data channel; and
a video service decoder driving unit driving a decoder that selectively decodes streams included in the video service stream according to the encoding method and the program type that are analyzed,
wherein the encoding method is used to compress at least one of video and audio data in the provided video service stream.

### Claim 34 (depends on 33)

The apparatus of claim 33, wherein the video service stream comprises a video data stream or an audio data stream, or both audio and video data streams.

### Claim 35 (depends on 33)

The apparatus of claim 33, wherein information regarding encoding of the video service stream and information regarding packetization of the video service stream are received through a fast information channel (FIC) of the DAB transmission frame that is received.

### Claim 36

A transmitter for providing a video service in digital audio broadcasting (DAB), the transmitter comprising:
a fast information channel (FIC) processing unit that generates information that specifies a main component of a provided video service stream in an FIC; and
a service data channel processing unit that processes the provided video service stream in a service data channel,
wherein the transmitter transmits the service data channel that comprises the video service stream and the FIC that comprises the profile ID that specifies an encoding method used for the video service stream and the program type information in a transmission data frame,
wherein the encoding method is used to compress at least one of video and audio data in the provided video service stream.

### Claim 37 (depends on 36)

The transmitter of claim 36, wherein the video service stream comprises a video data stream or an audio data stream, or both audio and video data streams.

### Claim 38 (depends on 36)

The transmitter of claim 36, wherein the FIC further comprises a profile identifier (ID) that specifies an encoding method of encoding the provided video service stream.

### Claim 39

A non-transitory computer-readable recording medium having recorded thereon a program for executing a method of providing a video service in digital audio broadcasting (DAB), the method comprising:
inserting a profile identifier (ID) that specifies an encoding method used to encode a provided video service stream and program type information that indicates a type of the provided video service stream into a fast information channel (FIC) that is different from a service data channel comprising the video service stream; and
multiplexing the service data channel and the FIC into a transmission frame for transmission,
wherein the encoding method is used to compress at least one of video and audio data in the provided video service stream.

### Claim 40

A non-transitory computer-readable recording medium having recorded thereon a program for executing a method of receiving a video service in digital audio broadcasting (DAB), the method comprising:
receiving a DAB transmission frame and analyzing an encoding method and a program type of a received encoded video service stream based on a profile identifier (ID) and program type information included in a fast information channel (FIC) of the DAB transmission frame that is received; and
decoding the encoded video service stream included in a service data channel that is different from the FIC according to the encoding method and the program type that are analyzed,
wherein the encoding method is used to compress at least one of video and audio data in the provided video service stream.

### Claim 41

A non-transitory computer-readable recording medium having recorded thereon a program for executing a method of providing a video service in digital audio broadcasting (DAB), the method comprising:
inserting information that specifies a main component of a provided video service stream into a predetermined channel that is different from a service data channel that comprises the video service stream; and
multiplexing the service data channel and the predetermined channel into a transmission frame for transmission,
wherein the encoding method is used to compress at least one of video and audio data in the provided video service stream.

### Claim 42

A non-transitory computer-readable recording medium having recorded thereon a program for executing a method of receiving a video service in digital audio broadcasting (DAB), the method comprising:
receiving a DAB transmission frame, and analyzing information that specifies a main component of a provided video service stream, included in a predetermined channel of the DAB transmission frame that is received, which is different from a service data channel; and
selectively decoding streams included in the video service stream based on the encoding method and the program type that are analyzed,
wherein the encoding method is used to compress at least one of video and audio data in the provided video service stream.
