Device and method for transmitting and receiving media service in hybrid network

Patent metadata

Field	Value
Publication number	US-10045162-B2
Application number	US-201614996731-A
Country	US
Kind code	B2
Filing date	Jan 15, 2016
Priority date	Apr 8, 2015
Publication date	Aug 7, 2018
Grant date	Aug 7, 2018

Abstract

A device for transmitting a media service in a hybrid network, which is a combination of a broadcasting network and a communication network, includes a streaming server, a streaming client, a multiplexer, and a transmitter. The streaming server generates media segments including media data and a metadata file including temporal order information and downloading and reproduction information of the media segments corresponding to a plurality of profiles. The streaming client selects a profile according to a transmission bit ratio appropriate for a broadcasting resource allocation state, requests a media segment with quality that is suitable for the broadcasting resource allocation state from the streaming server, and downloads the same. The multiplexer multiplexes part of information of the metadata file on the profile selected from among the media segment and the metadata file of the plurality of profiles to generate a baseband frame. The transmitter converts the baseband frame into a broadcasting signal and transmits the same through a broadcasting network.

First claim

What is claimed is:

1. A device for transmitting a media service in a hybrid network, which is a combination of a broadcasting network and a communication network, comprising:
a streaming server for generating media segments including media data and a metadata file including temporal order information and downloading and reproduction information of the media segments corresponding to a plurality of profiles;
a streaming client for selecting a profile according to a transmission bit ratio appropriate for a broadcasting resource allocation state of the broadcasting network, requesting a media segment with quality that is suitable for the broadcasting resource allocation state from the streaming server, and downloading the same;
a multiplexer for monitoring the resource allocation state of the broadcasting network, determining the quality and transmission bit ratio appropriate for the broadcasting resource allocation state, and multiplexing part of information of the metadata file on the profile selected from among the media segment and the metadata file of the plurality of profiles to generate a baseband frame; and
a transmitter for converting the baseband frame into a broadcasting signal and transmitting the same through a broadcasting network.

2. The device of claim 1 , wherein the streaming server streams the media segment and the metadata file through the communication network according to a request by a device for receiving a media service.

3. The device of claim 1 , wherein the multiplexer multiplexes dynamic broadcasting scheduling information from a server of a broadcasting station company to generate the baseband frame.

4. A device for receiving a media service in a hybrid network that is a combination of a broadcasting network and a communication network, comprising:
a receiving processor for receiving a broadcasting signal through a broadcasting network, and extracting a baseband frame from the broadcasting signal;
a demultiplexer for separating a media segment and part of information of a metadata file by demultiplexing the baseband frame;
a streaming client for accessing a streaming server through the communication network, monitorinq a state of the communication network, selecting a media segment and a profile with quality that is appropriate for the state of the communication network, requesting a metadata file of the selected profile and the media segment with the quality from the streaming server, and downloading the same from the streaming server when the communication network is determined for the transmission network of the media service;
a synchronizer for reconfiguring the media segments that are received through the broadcasting network and the communication network according to a time order based upon a metadata file caused by the selected profile; and
a reproducer for reproducing the reconfigured media segments.

5. The device of claim 4 , further comprising a network switching controller for determining the transmission network according to a broadcasting receiving state, wherein the receiving processor estimates the broadcasting receiving state from the broadcasting signal.

6. The device of claim 4 , further comprising a network switching controller for determining the transmission network according to dynamic broadcasting scheduling information from a server of a broadcasting station company, wherein the receiving processor receives the dynamic broadcasting scheduling information through the broadcasting signal.

7. The device of claim 4 , further comprising a file cache for storing media segments received through the broadcasting network and the communication network.

8. A method for transmitting a media service by a device for transmitting a media service of a hybrid network combined with a broadcasting network and a communication network, comprising:
allowing a streaming server to generate media segments including media data and a metadata file including temporal order information and downloading and reproduction information of the media segments corresponding to a plurality of profiles;
allowing a broadcasting receiving controller to monitor a broadcasting resource allocation state of the broadcasting network;
allowing the broadcasting receiving controller to determine quality and a transmission bit ratio appropriate for the broadcasting resource allocation state;
allowing the broadcasting receiving controller to select a metadata file on a profile that is appropriate for the transmission bit ratio suitable;
allowing the broadcasting receiving controller to request a media segment with quality that is appropriate for the broadcasting resource allocation state from the streaming server, and download the same;
converting the media segment and part of information of the metadata file on the profile into a broadcasting signal, and transmitting the same through a broadcasting network; and
allowing the streaming server to stream the media segment and the metadata file through the communication network according to a request by a device for receiving a media service,
wherein the broadcasting network is a non local area network (LAN).

9. The method of claim 8 , further comprising transmitting dynamic broadcasting scheduling information from a server of a broadcasting station company through the broadcasting network.

10. The method of claim 8 , wherein the part of information includes information for decoding and reproducing the media segment.

11. A method for a device for receiving a media service of a hybrid network combined with a broadcasting network and a communication network to receive a media service, comprising:
separating a media segment and part of information of a metadata file from a broadcasting signal received through a broadcasting network;
determining a transmission network of the media service;
when the communication network is determined for the transmission network, monitoring a state of the communication network;
selecting a media segment with quality that is appropriate for the state of the communication network and a profile of the media service;
requesting the selected media segment with quality and the selected metadata file of the profile from the streaming server, and receiving the same from the streaming server through the communication network;
reconfiguring the media segments received through the broadcasting network and the communication network according to a time order based upon the metadata file; and
reproducing the reconfigured media segments.

12. The method of claim 11 , wherein the determination includes:
monitoring a broadcasting receiving state from the broadcasting signal; and
determining the transmission network as the broadcasting network or the communication network based upon the broadcasting receiving state.

13. The method of claim 11 , wherein the determining includes:
receiving dynamic broadcasting scheduling information from a server of a broadcasting station company; and
determining the transmission network as the broadcasting network or the communication network based upon the dynamic broadcasting scheduling information.

14. The method of claim 11 , wherein the reproduction includes reproducing the reconfigured media segments based upon the part of information and the metadata file.

15. The method of claim 11 , wherein the part of information includes information for decoding and reproducing the media segment.

Assignees

• Electronics & Telecommunications Res Inst

Inventors

• Yun Joungil
• Kim Woo-Suk
• Bae Byungjun
• Yim Hyun-Jeong
• Lim Hyoungsoo
• Hur Namho

Classifications

• H04W72/30

  Resource management for broadcast services · CPC title

• H04L67/02

  based on web technology, e.g. hypertext transfer protocol [HTTP] · CPC title

• H04W4/06 Primary

  Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services · CPC title

• H04L65/4069

  Electricity · mapped topic

• H04W72/005

  Electricity · mapped topic