KR20120114572A - Av stream receiver and channel sharing method for the same - Google Patents

Abstract

PURPOSE: A device for receiving a voice and an image with a broadcast in real time and a channel sharing method thereof are provided to quickly switch an IPTV(Internet Protocol Television) service channel and a terrestrial/cable channel each other using channel sharing information when a user switches a channel during broadcast watching. CONSTITUTION: A broadcast receiving device searches at least one of a terrestrial channel or a cable channel through a tuner(210). The broadcast receiving device receives each channel information about the searched channel through the tuners(220). The broadcast receiving device receives multicast information for each IPTV service channel from an IPTV server(230). The broadcast receiving device stores multicast information corresponding to a channel, which is not searched through the tuner, in a memory(240). [Reference numerals] (210) Searching a terrestrial channel or a cable channel; (220) Receiving and storing channel information; (230) Receiving the multicast information of an IPTV service channel; (240) Storing the multicast information by a non-searched channel; (250) Channel change?; (260) Searching the channel information/multicast information; (270) Receiving and displaying broadcast data; (AA) Start; (BB) No; (CC) Yes; (DD) End

Description

Real-time audio and video receiving device including broadcasting and channel sharing method of the receiving device {AV STREAM RECEIVER AND CHANNEL SHARING METHOD FOR THE SAME}

Embodiments of the present invention relate to an apparatus for receiving real-time voice and video broadcasts, and more particularly, to an apparatus and method for allowing multiple real-time media including broadcasting to share a single channel system.

Existing TV has been serviced by transmitting contents produced by a broadcaster through a radio wave transmission medium such as terrestrial, cable, or satellite broadcasting, and a viewer watching through a TV receiver capable of receiving the respective delivery media.

However, following the development of digital-based digital TV technology from the existing analog broadcasting, in addition to the existing radio media, cable (wired broadcasting), satellite (satellite broadcasting) and the Internet (Internet broadcasting and IPTV) connected to each home are used. Thus, various contents can be provided to viewers.

However, the existing technology has a different channel system for each service (ie, terrestrial, cable broadcasting, satellite broadcasting, IPTV, and Internet TV). There was an inconvenience to change the channel system. In order to solve such inconvenience, the necessity of providing a single channel system by mixing various channels provided by different services is increasing. Accordingly, an embodiment of the present invention proposes a method of mixing and sharing a terrestrial channel, an IPTV, and an internet broadcast channel.

An embodiment of the present invention is a real-time voice and video receiving apparatus including a broadcast, which can share the multicast information of the IPTV service channel provided by the IPTV server, and the channel information of the terrestrial / cable channel searched through the tuner and the A channel sharing method of a receiving device is provided.

According to an embodiment of the present invention, when a user switches a channel while watching a broadcast, real-time voice including broadcast, which enables the user to easily and quickly switch between an IPTV service channel and a terrestrial / cable channel using shared information about the channel. An image receiving apparatus and a channel sharing method of the receiving apparatus are provided.

The problem to be solved by the present invention is not limited to the problem (s) mentioned above, and other object (s) not mentioned will be clearly understood by those skilled in the art from the following description.

According to an embodiment of the present invention, there is provided a channel sharing method of a real-time audio and video receiving apparatus including a broadcast, comprising: searching at least one of a terrestrial channel and a cable channel through a tuner; Receiving channel information about each of the found channels through the tuner and storing the channel information in a memory; Accessing an IPTV server and receiving multicast information about each IPTV service channel from the IPTV server; And among the received multicast information, storing multicast information corresponding to a channel not searched through the tuner in the memory.

In a channel sharing method of a real-time audio and video reception apparatus including a broadcast according to an embodiment of the present invention, when a channel switching signal is detected according to a user's channel manipulation, the channel information or multicast information regarding a channel to be switched is stored in the memory. Searching in; Receiving broadcast data using channel information or multicast information about the found switching target channel; And displaying the received broadcast data on the screen.

According to an embodiment of the present invention, a method of sharing a channel of a real-time audio and video receiving apparatus including a broadcast includes whether the channel to be switched is the terrestrial / cable channel or the IPTV service using header information of the detected channel switch signal. Analyzing whether it is a channel; And when the switch target channel is the terrestrial / cable channel, controlling the tuner using corresponding channel information to receive broadcast data of an RF signal through the tuner.

According to an embodiment of the present invention, a method of sharing a channel of a real-time audio and video receiving apparatus including a broadcast includes whether the channel to be switched is the terrestrial / cable channel or the IPTV service using header information of the detected channel switch signal. Analyzing whether it is a channel; And when the switching target channel is the IPTV service channel, receiving broadcast data of streaming from the IPTV server or a database server associated with the IPTV server by using corresponding multicast information.

According to an embodiment of the present invention, a channel sharing method of a real-time audio and video receiving apparatus including a broadcast is a channel that is not searched through the tuner is a preferred channel set by a user, and multicast information of the preferred channel is stored in the memory. If not stored, accessing a predetermined web site and retrieving a streaming address; And storing the retrieved streaming address in the memory corresponding to the channel number of the preferred channel.

According to an embodiment of the present invention, a channel sharing method of a real-time audio and video receiving apparatus including a broadcast may include a streaming address of the preferred channel when at least one terminal is selected to share the preferred channel according to a user's manipulation. The method may further include transmitting to the selected terminal, wherein the terminal may be connected to the broadcast receiving device through a network.

An apparatus for receiving real-time audio and video including a broadcast according to an embodiment of the present invention searches for at least one of a terrestrial channel or a cable channel through a tuner, and receives channel information about each of the found channels through the tuner and stores it in a memory. A channel search unit for storing; A server connection unit accessing an IPTV server and receiving multicast information about each IPTV service channel from the IPTV server; And a channel sharing unit configured to store, in the memory, multicast information corresponding to a channel not searched through the tuner among the received multicast information.

The real-time audio and video receiving apparatus including a broadcast according to an embodiment of the present invention searches for the channel information or the multicast information regarding the channel to be switched, in the memory when a channel switching signal is detected according to a user's channel manipulation, The apparatus may further include a channel switcher configured to receive broadcast data using the channel information or multicast information related to the searched switching target channel and display the same on a screen.

If the channel not found through the tuner is a preferred channel set by the user, and the multicast information of the preferred channel is not stored in the memory, the channel sharing unit searches for a streaming address by accessing a predetermined website, The searched streaming address may be stored in the memory corresponding to the channel number of the preferred channel.

The channel sharing unit transmits a streaming address of the preferred channel to the selected terminal when at least one terminal is selected to share the preferred channel according to a user's manipulation, and the terminal transmits the streaming address of the preferred channel to the selected terminal through a network. Can be connected.

Specific details of other embodiments are included in the detailed description and the accompanying drawings.

Advantages and / or features of the present invention and methods for achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. It should be understood, however, that the invention is not limited to the disclosed embodiments, but is capable of many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

According to an embodiment of the present invention, multicast information of an IPTV service channel provided by an IPTV server and channel information of a terrestrial / cable channel searched through a tuner may be shared.

According to an embodiment of the present invention, when a user switches a channel while watching a broadcast, the user can easily and quickly switch between an IPTV service channel and a terrestrial / cable channel using shared information about the channel.

1 is a block diagram illustrating a real-time audio and video receiving apparatus including a broadcast according to an embodiment of the present invention.
2 is a flowchart illustrating a channel sharing method of a real-time audio and video receiving apparatus including a broadcast according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described embodiments of the present invention;

1 is a block diagram illustrating a real-time audio and video receiving apparatus including a broadcast according to an embodiment of the present invention.

1 is a view illustrating a real-time audio and video receiving apparatus 100 including a broadcast according to an embodiment of the present invention. The channel search unit 110, the server connection unit 120, the channel sharing unit 130, and the channel switching unit 140 are provided. And a controller 150.

The channel search unit 110 includes at least one tuner and searches for a terrestrial channel or a cable channel through the tuner. To this end, the channel search unit 110 may transmit a channel search command to the tuner according to a channel search operation of the user.

In this case, the channel search unit 110 may periodically transmit the channel search command to the tuner to search for update information of the terrestrial channel or cable channel.

The channel search unit 110 receives channel information about each found channel (terrestrial wave or cable) through the tuner and stores the channel information in the memory. In this case, the channel search unit 110 may receive the updated channel information through the tuner using the retrieved update information.

Here, the channel information may include at least one of a channel number, a frequency, a broadcasting station name, a program name, or channel classification information (information on whether a terrestrial channel or a cable channel).

The server connection unit 120 accesses an IPTV server and receives multicast information about each IPTV service channel from the IPTV server. To this end, the server connection unit 120 may transmit a channel search command to the server connection interface according to a channel search operation of the user.

That is, the server connection unit 120 may include the server connection interface and transmit the channel search command to the server connection interface. The server connection interface may receive the multicast information by accessing the IPTV server according to the channel search command.

Here, the multicast information is packet information transmitted to a plurality of specific terminals, and may include a channel number, a uniform resource locator (URL), and the like.

In addition, the server connection unit 120 may periodically access the IPTV server to search for update information of each channel, and receive updated multicast information using the retrieved update information.

The server connection unit 120 may operate simultaneously with the channel search unit 110 or alternatively, may operate separately from the channel search unit 110.

The channel sharing unit 130 detects multicast information corresponding to a channel not searched through the tuner among the multicast information received by the server connection unit 120. The channel sharing unit 130 stores the detected multicast information in the memory.

In this case, a channel not searched through the tuner may be a preference channel set by a user, and multicast information of the preference channel may not be stored in the memory.

In this case, the channel sharing unit 130 may access a predetermined web site, for example, a portal site, and search for a streaming address (URL starting with mms) for the preferred channel. The channel sharing unit 130 may store the searched streaming address in the memory corresponding to the channel number of the preferred channel.

In addition, the user can select a terminal (s) to share the preferred channel through the operation of the remote control. In this case, the channel sharing unit 130 may transmit the streaming address of the preferred channel to the selected terminal (s). Accordingly, the user may share his preferred channel with the user of other terminal (s) connected with the receiving device 100 through a network.

The channel switcher 140 may detect a channel switch signal according to a user's channel manipulation. When the channel switch signal is detected, the channel switcher 140 may search the memory for channel information or multicast information regarding a channel to be switched.

The channel switching unit 140 may receive broadcast data using channel information or multicast information about the found switching target channel. The channel switching unit 140 may display the received broadcast data on the screen of the receiving device 100.

In this case, the channel switching unit 140 may analyze whether the switching target channel is the terrestrial / cable channel or the IPTV service channel by using the header information of the detected channel switching signal.

As a result of the analysis, when the channel to be switched is the terrestrial / cable channel, the channel switching unit 140 may load corresponding channel information from the memory. The channel switching unit 140 may receive the broadcast data of the channel to be switched through the tuner by controlling the tuner using the loaded channel information.

Meanwhile, as a result of the analysis, when the channel to be switched is the IPTV service channel, the channel switcher 140 may load corresponding multicast information from the memory. The channel switching unit 140 may receive broadcast data of the channel to be switched from the IPTV server or a database server associated with the IPTV server using the loaded multicast information.

The controller 150 is a real-time voice and video receiving apparatus 100 including a broadcast according to an embodiment of the present invention, that is, the channel search unit 110, the server connection unit 120, the channel sharing unit 130, the channel It is possible to control the overall operation of the switching unit 140 and the like.

2 is a flowchart illustrating a broadcast channel sharing method of a real-time broadcast (audio and video) receiving apparatus including a broadcast according to an embodiment of the present invention.

Referring to FIG. 2, in step 210, the broadcast receiving device includes at least one tuner and searches for a terrestrial channel or a cable channel through the tuner. To this end, the broadcast reception device may transmit a channel search command to the tuner according to a user's channel search operation.

In this case, the broadcast receiving device may periodically search for the update information of the terrestrial channel or the cable channel by periodically transmitting the channel search command to the tuner.

Next, in step 220, the broadcast receiving device receives channel information about each of the found channels (terrestrial wave or cable) through the tuner and stores the channel information in the memory. In this case, the broadcast receiving device may receive the updated channel information through the tuner by using the retrieved update information.

Here, the channel information may include at least one of a channel number, a frequency, a broadcasting station name, a program name, or channel classification information (information on whether a terrestrial channel or a cable channel).

Next, in step 230, the broadcast reception device accesses an IPTV server and receives multicast information about each IPTV service channel from the IPTV server. To this end, the broadcast reception device may transmit a channel search command to the server access interface according to a channel search operation of the user.

That is, the broadcast reception device may include the server connection interface and transmit the channel search command to the server connection interface. The server connection interface may receive the multicast information by accessing the IPTV server according to the channel search command.

Here, the multicast information is packet information transmitted to a plurality of specific terminals, and may include a channel number, a uniform resource locator (URL), and the like.

The broadcast reception device may periodically access the IPTV server to retrieve update information of each channel, and receive updated multicast information using the retrieved update information.

The broadcast reception device may interwork with a search for terrestrial / cable channels and a reception / storage operation of channel information, a server connection, and a multicast information reception operation, or may be separately.

Next, in step 240, the broadcast receiving device stores, in the memory, multicast information corresponding to a channel (unsearched channel) that is not searched through the tuner among the multicast information received through the server access process. do.

To this end, the broadcast reception device may detect multicast information corresponding to the unsearched channel from the received multicast information. The broadcast reception device stores the detected multicast information in the memory.

In this case, a channel that is not searched through the tuner may be a preference channel set by a user, and multicast information of the preference channel may not be stored in the memory.

In this case, the broadcast reception device may access a predetermined web site, for example, a portal site, and search for a streaming address of the preferred channel. The broadcast reception device may store the searched streaming address in the memory corresponding to the channel number of the preferred channel.

In addition, the user can select a terminal (s) to share the preferred channel through the operation of the remote control. In this case, the broadcast reception device may transmit the streaming address of the preferred channel to the selected terminal (s). Accordingly, the user may share his preferred channel with the user of other terminal (s) connected with the broadcast receiving device through a network.

Next, in step 250, the broadcast reception device determines whether to switch channels. To this end, the broadcast reception device may determine whether to detect a channel switch signal generated according to a user's channel manipulation.

As a result of the determination, when the channel switching signal is detected (Yes direction 250), in step 260, the broadcast reception device searches for the channel information or the multicast information about the channel to be switched in the memory.

Next, in step 270, the broadcast receiving device receives broadcast data using channel information or multicast information about the found switching target channel, and displays the received broadcast data on the screen.

In this case, the broadcast reception device may analyze whether the channel to be switched is the terrestrial / cable channel or the IPTV service channel by using header information of the detected channel switch signal.

As a result of the analysis, when the channel to be switched is the terrestrial / cable channel, the broadcast reception device may load corresponding channel information from the memory. The broadcast reception device may receive broadcast data of the channel to be switched through the tuner by controlling the tuner using the loaded channel information.

Meanwhile, as a result of the analysis, when the switching target channel is the IPTV service channel, the broadcast reception device may load corresponding multicast information from the memory. The broadcast reception device may receive broadcast data of the channel to be switched from the IPTV server or a database server associated with the IPTV server using the loaded multicast information.

As described above, in an embodiment of the present invention, multicast information of an IPTV service channel provided by an IPTV server and channel information of a terrestrial / cable channel searched (tuned) through a tuner are stored in a memory, but the channel information is preferentially stored. In this way, broadcast channel information can be shared by storing the data without duplication.

Therefore, according to an embodiment of the present invention, when a user switches a channel while watching a broadcast, the user can easily and quickly switch between an IPTV service channel and a terrestrial / cable channel.

Embodiments of the present invention include computer readable media including program instructions for performing various computer implemented operations. The computer-readable medium may include program instructions, local data files, local data structures, etc., alone or in combination. The media may be those specially designed and constructed for the present invention or may be those known to those skilled in the computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape, optical recording media such as CD-ROMs and DVDs, magneto-optical media such as floppy disks, and ROMs, And hardware devices specifically configured to store and execute the same program instructions. Examples of program instructions include machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like.

While specific embodiments of the present invention have been described so far, various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims below, but also by the equivalents of the claims.

As described above, the present invention has been described by way of limited embodiments and drawings, but the present invention is not limited to the above-described embodiments, which can be variously modified and modified by those skilled in the art to which the present invention pertains. Modifications are possible. Accordingly, the spirit of the present invention should be understood only in accordance with the following claims, and all equivalents or equivalent variations thereof are included in the scope of the present invention.

100: broadcast receiving device
110: channel search unit
120: server connection
130: channel sharing unit
140: channel switching unit
150:

Claims (10)

Searching for at least one of the terrestrial channel and the cable channel through the tuner;
Receiving channel information about each of the found channels through the tuner and storing the channel information in a memory;
Accessing an IPTV server and receiving multicast information about each IPTV service channel from the IPTV server; And
Storing multicast information corresponding to a channel not searched through the tuner among the received multicast information in the memory;
Channel sharing method of a real-time voice and video receiving apparatus including a broadcast comprising a.
The method of claim 1,
Retrieving channel information or multicast information about a channel to be switched from the memory when a channel switching signal is detected according to a user's channel manipulation;
Receiving broadcast data using channel information or multicast information about the found switching target channel; And
Displaying the received broadcast data on a screen;
Channel sharing method of a real-time voice and video receiving apparatus including a broadcast further comprising a.
The method of claim 2,
Analyzing whether the channel to be switched is the terrestrial / cable channel or the IPTV service channel using the detected header information of the channel switch signal; And
If the channel to be switched is the terrestrial / cable channel, receiving the broadcast data of the RF signal through the tuner by controlling the tuner using corresponding channel information.
Channel sharing method of a real-time voice and video receiving apparatus including a broadcast further comprising a.
The method of claim 2,
Analyzing whether the channel to be switched is the terrestrial / cable channel or the IPTV service channel using the detected header information of the channel switch signal; And
If the switch target channel is the IPTV service channel, receiving broadcast data of streaming from the IPTV server or a database server associated with the IPTV server using corresponding multicast information;
Channel sharing method of a real-time voice and video receiving apparatus including a broadcast further comprising a.
The method of claim 1,
Accessing a predetermined web site and retrieving a streaming address when a channel not searched through the tuner is a preferred channel set by a user and multicast information of the preferred channel is not stored in the memory; And
Storing the retrieved streaming address in the memory in correspondence with the channel number of the preferred channel.
Channel sharing method of a real-time voice and video receiving apparatus including a broadcast further comprising a.
The method of claim 5,
If at least one terminal is selected to share the preferred channel according to a user's operation, transmitting a streaming address of the preferred channel to the selected terminal
Further comprising:
And said terminal is connected to said broadcast receiving device via a network.
A channel searching unit searching for at least one of a terrestrial channel and a cable channel through a tuner, and receiving channel information regarding each of the found channels through the tuner and storing the channel information in a memory;
A server connection unit accessing an IPTV server and receiving multicast information about each IPTV service channel from the IPTV server; And
Of the received multicast information, the channel sharing unit for storing the multicast information corresponding to the channel not found through the tuner in the memory
Real-time audio and video receiving apparatus including a broadcast comprising a.
The method of claim 7, wherein
When a channel switch signal is detected according to a user's channel manipulation, channel information or multicast information regarding a channel to be switched is searched in the memory, and broadcast data is obtained using the channel information or multicast information about the found channel to be switched. Channel switching unit to receive and display on the screen
Real-time audio and video receiving device comprising a broadcast further comprising.
The method of claim 7, wherein
The channel sharing unit
If the channel not searched through the tuner is a preferred channel set by the user, and the multicast information of the preferred channel is not stored in the memory, access a web site to search for a streaming address, and search for the found streaming address. Real-time audio and video receiving apparatus comprising a broadcast corresponding to the channel number of the preferred channel and stored in the memory.
10. The method of claim 9,
The channel sharing unit
If at least one terminal is selected to share the preferred channel according to a user's operation, the streaming address of the preferred channel is transmitted to the selected terminal,
The terminal is
Real-time audio and video receiving device including a broadcast, characterized in that connected to the broadcast receiving device through a network.

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