KR20060096756A - Method of changing channel and television receiver thereof - Google Patents

Abstract

SUMMARY OF THE INVENTION An object of the present invention is to provide a channel switching method and a television broadcast receiver according to the present invention.

The channel switching method of the television broadcast receiver according to the present invention includes a first step of storing television broadcast channel information and audio broadcast channel information; A second step of checking whether a channel change command is input through the user interface of the television broadcast receiver; A third step of forming a channel group with a channel according to the television broadcasting channel information and the audio broadcasting channel information when the channel switching command is input; And a fourth step of performing channel switching in a channel belonging to the channel group.

The television broadcast receiver according to the present invention includes a memory unit for storing television broadcast channel information and audio broadcast channel information; A user interface unit providing an interface with a user; A tuner for tuning a broadcast signal; A broadcast signal output unit which processes the output signal of the tuner and outputs the audio or video signal; And a control unit configured to configure a channel group with a channel according to the television broadcasting channel information and the audio broadcasting channel information when a channel switching command is input through the user interface unit, and to perform channel switching within a channel belonging to the channel group. It is characterized by.

As described above, the present invention makes it possible to easily switch the audio broadcasting channel in addition to the various television broadcasting channels, thereby providing the convenience of use.

Television, channel, audio broadcasting

Description

Channel switching method and television broadcast receiver {METHOD OF CHANGING CHANNEL AND TELEVISION RECEIVER THEREOF}

1 is a block diagram of a television broadcast receiver according to a preferred embodiment of the present invention.

2 is a state flag structure diagram according to a preferred embodiment of the present invention.

3 is a channel information structure diagram according to a preferred embodiment of the present invention.

4 and 5 are flowcharts of a channel switching method according to a preferred embodiment of the present invention.

6 and 7 are diagrams illustrating a channel guide screen according to a preferred embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

100: control unit

102: micom

104: user interface unit

106: first memory unit

108: second memory section

110: audio signal input unit

112: tuner

114: broadcast signal processing unit

116: video signal processing unit

118: Audio Decoder

120: audio signal output unit

122: video signal output unit

The present invention relates to a television broadcast receiver, and more particularly, to a channel switching method of a television broadcast receiver capable of receiving and outputting an audio broadcast and a television broadcast receiver accordingly.

With the development of the technology, high-quality next-generation digital broadcasting such as HDTV (High Definition Television) has been commercialized and serviced.

Since the HDTV can flexibly allocate a bit rate required for a broadcast service, it is possible to transmit a plurality of programs in a limited transmission bandwidth of one RF (Radio Frequency) channel. For example, in some program schedules, it is possible to organize SDTV (Standard Definition Television) programs into multiple channels, and some time zones to organize HDTV programs into one channel. This concept is called ISDB (Integrated Services Digital Broadcasting) and is also referred to as the basic concept of digital broadcasting in international conferences such as the International Telecommunication Union-Radio Communication Division (ITU-R).

As such, since HDTV does not provide durability for a channel broadcast through one RF channel, digital broadcasting such as HDTV provides a program guide for convenient channel management.

However, according to the high performance of the HDTV receiver, the types of broadcast signals that can be processed by the HDTV receiver have been diversified, and in particular, an HDTV receiver capable of receiving audio broadcasts along with analog TV broadcasting, cable broadcasting and DTV broadcasting has also been proposed. Reached.

As described above, as the audio broadcast can be received, the development of a technology capable of switching channels of not only various television broadcasts but also audio broadcasts is urgently desired.

SUMMARY OF THE INVENTION The present invention has been made to overcome the above-mentioned problems, and an object of the present invention is to provide a channel switching method and a television broadcast receiver according to which various audio broadcasting channels can be easily switched.

A channel switching method of a television broadcast receiver according to the present invention for achieving the above object and to solve the problems of the prior art comprises a first step of storing television broadcast channel information and audio broadcast channel information; A second step of checking whether a channel change command is input through the user interface of the television broadcast receiver; A third step of forming a channel group with a channel according to the television broadcasting channel information and the audio broadcasting channel information when the channel switching command is input; And a fourth step of performing channel switching in a channel belonging to the channel group.

In particular, in the above method, the second step may include configuring the channel group according to the user's request through the user interface unit according to the television broadcasting channel information, or according to the television broadcasting channel information and the audio broadcasting channel information. It is characterized by consisting of channels.

The television broadcast receiver according to the present invention includes a memory unit for storing television broadcast channel information and audio broadcast channel information; A user interface unit providing an interface with a user; A tuner for tuning a broadcast signal; A broadcast signal output unit which processes the output signal of the tuner and outputs the audio or video signal; And a control unit configured to configure a channel group with a channel according to the television broadcasting channel information and the audio broadcasting channel information when a channel switching command is input through the user interface unit, and to perform channel switching within a channel belonging to the channel group. It is characterized by.

In particular, the memory unit of the television broadcast receiver includes an audio broadcast channel switch setting flag, and the controller sets or resets the audio broadcast channel switch setting flag according to a user's request through the user interface unit. The channel group may be configured as a channel according to the television broadcast channel information or a channel according to the television broadcast channel information and the audio broadcast channel information according to the state of an audio broadcast channel switching setting flag.

The configuration of a television broadcast receiver according to a preferred embodiment of the present invention will be described with reference to FIG.

The control unit 100 of the television broadcast receiver not only controls the television broadcast receiver as a whole, but also performs channel switching according to a preferred embodiment of the present invention.

The microcomputer 102 provides the control unit 100 with information according to a user command through the user interface unit 104. The user interface 104 receives various commands from the user by using a keypad or a remote controller and provides the same to the microcomputer 102. The first and second memory units 106 store various information including a processing program of the controller 100, and in particular, store status flags and channel information according to a preferred embodiment of the present invention.

As shown in FIG. 2, the state flag is an 8-bit state flag of A, B, C, D, E, F, G, H. Indicates the setting status. The status flag is used as identification information for forming a channel group. That is, when the audio broadcasting channel switching flag is set according to the audio broadcasting channel switching setting, the channel group includes a television broadcasting channel, a cable broadcasting channel, a DTV broadcasting channel, and an audio broadcasting channel, and when the audio broadcasting channel switching flag is reset. The channel group includes a television broadcast channel, a cable broadcast channel, and a DTV broadcast channel.

As shown in FIG. 3, the channel information includes television broadcasting channel information, a wire broadcasting channel, a DTV broadcasting channel, an audio broadcasting channel, and the like.

The audio signal input unit 110 receives an audio signal from the outside and provides the audio signal to the audio decoder 118 through the video signal processor 116. The tuner 112 tunes a predetermined channel among the broadcast signals under the control of the controller 100 and provides the tuner 112 to the broadcast signal processor 114. The broadcast signal processor 114 processes the broadcast signal tuned by the tuner 112 and outputs the broadcast signal to the video signal processor 116. The video signal processor 116 includes a TS decoder and a video decoder, converts the TS provided by the broadcast signal processor 114 into an audio stream and a video stream, and provides the audio stream to the audio decoder 118. The video stream is decoded and provided to the video signal output unit 122. The audio decoder 118 decodes the audio stream and provides it to the audio signal output unit 120.

Now, a channel switching method of the present invention applicable to the television broadcast receiver will be described with reference to FIGS. 4 to 5.

First, an audio broadcast channel switching setting process will be described with reference to FIG. 4.

The controller 100 checks whether the user commands the audio broadcasting channel switching setting through the user interface 104 (step 400). When the user commands the audio broadcast channel switch setting, the control unit 100 sets an audio broadcast channel switch setting flag in step 402.

In addition, the control unit 100 checks through the user interface unit 104 whether the user commands to switch the audio broadcasting channel (step 404). If the user instructs to cancel the audio broadcast channel switching, the controller 100 resets the audio broadcasting channel switching setting flag (step 408).

Now, a channel switching process according to the present invention will be described with reference to FIG.

The controller 100 checks whether a user inputs a channel switch key provided in the user interface 104 (step 500).

When the channel switch key is input, the controller 100 checks whether an audio broadcast channel switch setting flag is set (step 504). When the audio broadcast channel switching setting flag is set, the controller 100 configures a channel group with a television broadcast channel, a cable broadcast channel, a DTV broadcast channel, and an audio broadcast channel, and the channel group includes a program guide shown in FIG. As shown in FIG. 2, the television broadcasting channel includes a television broadcasting channel (TV), a DTV broadcasting channel (DTV), and an audio broadcasting channel (AUDIO). When the channel group is configured, the controller 100 performs channel switching in the channel group (step 506).

Unlike the above, if the audio broadcast channel switch setting flag is not set, the controller 100 configures a channel group including a television broadcast channel, a cable broadcast channel, and a DTV broadcast channel that do not include an audio broadcast channel. As shown in the program guide shown in Fig. 7, it is composed of a television broadcast channel (TV), a DTV broadcast channel (DTV), and the like. If the channel group is configured, the controller 100 performs channel switching in the channel group (step 508).

In addition, although not described in detail in the above-described preferred embodiment of the present invention, it is apparent from the present invention that the channel switching is limited to channel switching within a preferred channel, channel switching within an effective channel, and the like.

As described above, the present invention makes it possible to easily switch audio broadcast channels in addition to various television broadcast channels, thereby providing convenience in use.

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 by the claims set forth below, and all equivalent or equivalent modifications thereof will belong to the scope of the present invention.

Claims (6)

In the channel switching method of the television broadcast receiver, A first step of storing television broadcasting channel information and audio broadcasting channel information; A second step of checking whether a channel change command is input through a user interface of the television broadcast receiver; A third step of forming a channel group with a channel according to the television broadcasting channel information and the audio broadcasting channel information when the channel switching command is input; And A fourth step of performing channel switching in a channel belonging to the channel group Channel switching method of the television broadcast receiver characterized in that it comprises a. The method of claim 1, wherein the second step, In response to a user's request through the user interface unit, And the channel group comprises a channel according to the television broadcast channel information, or a channel according to the television broadcast channel information and the audio broadcast channel information. The method of claim 1, The television broadcasting channel information includes at least one of television broadcasting channel information, cable broadcasting channel information, and DTV broadcasting channel information. In a television broadcast receiver, A memory unit for storing television broadcasting channel information and audio broadcasting channel information; A user interface unit providing an interface with a user; A tuner for tuning a broadcast signal; A broadcast signal output unit which processes the output signal of the tuner and outputs the audio or video signal; And When a channel switching command is input through the user interface unit, a control unit for configuring a channel group with a channel according to the television broadcasting channel information and the audio broadcasting channel information, and performing channel switching within a channel belonging to the channel group. Television broadcast receiver comprising a. The method of claim 4, wherein The control unit configures the channel group as a channel according to the television broadcasting channel information or a channel according to the television broadcasting channel information and the audio broadcasting channel information according to a user's request through the user interface unit. Television broadcast receiver. The method of claim 4, wherein The memory unit includes an audio broadcast channel switch setting flag, The control unit sets or resets the audio broadcast channel switching setting flag according to a user's request through the user interface unit, The channel group is configured as a channel according to the television broadcasting channel information or a channel according to the television broadcasting channel information and the audio broadcasting channel information according to the state of the audio broadcasting channel switching setting flag. seaplane.

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