KR20100047729A - Video play apparatus and background screen display method using by it - Google Patents

Abstract

According to the present invention, a desired image is displayed as a background screen when a music broadcast is played. To this end, the present invention displays an equalizer of a music broadcast that is played as a background screen when a music broadcast is played, or a preset specific still image or a predetermined number of presets. Unlike the conventional method of continuously displaying a still picture or displaying additional information transmitted such as a music broadcast, when a music broadcast channel is tuned and played, any one of a playback video, a stored video, and a broadcast video of another broadcast channel is displayed. By selecting and displaying as a background screen, a user can compose and display a background screen with a desired image, thereby satisfying user desires.

Description

VIDEO PLAY APPARATUS AND BACKGROUND SCREEN DISPLAY METHOD USING BY IT}

The present invention relates to a technique for displaying a background screen using an image reproducing apparatus, and more particularly, to an image reproducing apparatus suitable for displaying the background screen as a desired image while playing a music broadcast using the image reproducing apparatus and the same. It relates to a background screen display method used.

As is well known, the characteristics of digital broadcasting are summarized as multichannel, high quality and multifunctional. Such digital broadcasting is able to bundle and transmit video, audio and data regardless of contents and size at the same time due to the development of multiplexing technology, and because the interactive service through a modem is possible, digital broadcasting has limited limitations of conventional analog data broadcasting. Beyond that, it can provide viewers with a higher level of multimedia services.

In addition, a broadcast signal provided in digital broadcasting includes additional information such as video information, audio information, and caption data, and the additional information is a table designed to operate in all TS (Transport Stream) for broadcasting programs and digital broadcasting. Contains Program and System Information Protocol (PSIP) information that is a set of. Here, the PSIP information may indicate EPG (Electronic Program Guide) information and SI (System Information) of the transmitted TS.

The purpose of this PSIP information is to describe the information of the virtual channel transmitted in a specific TS. The PSIP information includes a modulation scheme of each channel required for normal reception of each channel, a packet ID information for demultiplexing video and audio information from a packet stream carried on a carrier frequency and a carrier channel, and a program. Program guide information including title, start time, brief content (summary of summary), caption service status, program grade, current time information, etc. are included.

On the other hand, in a video reproducing apparatus for receiving digital broadcasts, a video signal can be excluded according to the characteristics of multiple channels, and a music broadcast can be played through a channel that professionally broadcasts music. The audio signal of the music broadcast transmitted by the broadcast receiving device is received and output through a speaker. At this time, the broadcasting station may include additional information such as PSIP information such as a title, a reproduction time, and a reproduction date for the music broadcast to be reproduced.

However, when playing a music broadcast by selecting a music broadcast channel in the related art, for example, an equalizer of a music broadcast being played is displayed as a background screen, or a predetermined specific still screen or a plurality of preset still pictures are continuously displayed. The additional information transmitted as a music broadcast is displayed, and the necessity of avoiding such a uniform screen display and developing various techniques for satisfying the user's needs through various screen displays according to the user's preference is emerging.

Accordingly, an aspect of the present invention is to provide an image reproducing apparatus capable of selecting any one of a broadcast image of a different broadcast channel, a stored image, and a reproduced image being played and displaying the background image of a music broadcast, and a background screen displaying method using the same. .

The present invention also provides a video reproducing apparatus capable of displaying any one of a broadcast image, a stored image, and a playback image being played as a background image of a music broadcast, according to a priority condition for a background image of a music broadcast, and the same. The present invention provides a background screen display method.

According to a first aspect of the present invention, there is provided a tuning and demodulation unit including at least two tuners, for tuning a music broadcast channel to deliver the music broadcast signal, and for selecting and tuning another broadcast channel to selectively transmit the broadcast signal; An external recording medium for selectively reading out and transmitting the recorded playback image, a storage unit for selectively extracting and transferring the stored video, and a broadcast video of the other broadcast channel, the playback video, and the stored video when the music broadcasting channel is tuned. Provided is an image reproducing apparatus including a control unit which controls to display a selected one as a background screen of a music broadcast.

According to a second aspect of the present invention, there is provided a tuning and demodulation unit including at least two tuners, tuned to a music broadcast channel to transmit the music broadcast signal, and selectively tuned to another broadcast channel to selectively transmit the broadcast signal; An external recording medium for selectively reading out and transmitting the recorded playback image; a storage unit for selecting and extracting and transmitting the stored video; and when tuning the music broadcasting channel, the external recording medium according to the priority condition of the background screen of the music broadcasting channel. The present invention provides a video reproducing apparatus including a control unit which controls to automatically select any one of the broadcast image, the reproduced image, and the stored image of another broadcast channel to display as a background screen of a music broadcast.

According to a third aspect of the present invention, there is provided a method of displaying a menu screen for selecting a background screen of a music broadcast when tuning a music broadcast channel, and playing video, stored video, and broadcast video of another broadcast channel through the displayed menu screen. A method of displaying a background screen using an image reproducing apparatus, the method comprising: checking which one is selected, and displaying the selected one as a background screen of the music broadcast and simultaneously playing the music broadcast. .

According to a fourth aspect of the present invention, when tuning a music broadcast channel, detecting a priority condition for a background screen of a music broadcast, and broadcasting a playback video, a stored video, and another broadcast channel according to the detected priority condition. Determining a playable image among the images, and automatically selecting a playable priority image and displaying the playable image as a background screen of the music broadcast and simultaneously playing the music broadcast. It provides a background screen display method using.

The present invention displays an equalizer of a music broadcast that is played as a background screen when playing a music broadcast, continuously displays a predetermined specific still picture or a plurality of preset still pictures, or displays additional information transmitted such as a music broadcast. Unlike the conventional method, when tuning and playing a music broadcast channel, one of a playback video, a stored video, and a broadcast video of another broadcast channel is selected and displayed as a wallpaper, so that the user can configure and display the wallpaper as the desired video. It can meet various needs of users.

According to an aspect of the present invention, when switching from a broadcast receiving device to a music broadcasting channel, a background screen selection menu screen is displayed, and the selected playback video, stored video, or other broadcast video is extracted and displayed as the wallpaper of the music broadcasting. At the same time to play a music broadcast, through the technical means can solve the problems in the prior art.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram of a broadcast receiving apparatus suitable for displaying a background image of a user preference when playing a music broadcast according to a preferred embodiment of the present invention. The key input unit 102, the control unit 104, the tuning and demodulation unit 106 are shown in FIG. ), A demultiplexer 108, a decoder 110, a signal processor 112, an additional information decoder 114, a storage 116, a menu generator 118, and an external recording medium 120. do.

Referring to FIG. 1, the key input unit 102 generates an operation signal for controlling the operation of an image reproducing apparatus including, for example, a remote controller, and the like. In response to the input of a key for switching to the music broadcasting channel, the controller generates a music broadcasting channel switching operation signal and provides the same to the control unit 104 in response thereto.

In addition, the controller 104 performs overall operation control of the image reproducing apparatus, including a microprocessor, for example, and provides a broadcast channel tuning control signal to the tuning and demodulation unit 106 for such operation control. The demultiplexer 108 provides a control signal for separating the demodulated broadcast stream into video and audio signals and additional information, and provides a control signal for decoding the video and audio signals to the decoding unit 110. Providing a control signal for reproducing the decoded video and audio signals to the signal processing unit 112, a control signal for decoding the additional information and storing the information in the storage unit 116 to the additional information decoding unit 114, A function of selecting and reading a reproduced image from the external recording medium 120 and controlling the reproduced image to be reproduced by the decoding unit 110 and the signal processing unit 112 is performed.

In addition, when the music broadcast channel switching operation signal is provided from the key input unit 102, the controller 104 provides a control signal for tuning the music channel to the tuning and demodulation unit 106, and selects a background screen of the music broadcast. A control signal for generating and displaying a menu screen is provided to the menu generator 118 and the signal processor 112, and a background for selecting a playback video, a stored video, or another broadcast video from the key input unit 102 as a wallpaper. When a screen selection manipulation signal is provided, a control signal for extracting a playback image is provided to the external recording medium 120 and the decoding unit 110, or a storage signal is extracted to the storage unit 116 to decode the control signal for decoding it. The control unit 110 may provide a control signal for providing the control unit 110 or the other broadcast channel to extract another broadcast image to the tuning and demodulation unit 106, the demultiplexer 108, and the decoding unit 110.

In addition, the controller 104 may provide a control signal for displaying the extracted playback image, the stored image, or another broadcast channel image as a background screen instead of a video signal of a music broadcast, and simultaneously include such a background screen. A control signal for reproducing a music broadcast is provided to the signal processor 112.

On the other hand, the controller 104 is a state in which the user has previously set the priority conditions (for example, '1. playback video, 2. stored video, 3. other broadcast channel video', etc.) for the background screen of the music broadcast. In this case, after checking whether or not the image is extractable according to the priority condition, it may be controlled to display the background screen as the extractable priority image.

Next, the tuning and demodulation unit 106 includes at least two tuners to tune any one of a plurality of broadcast channels received via the antenna in response to a tuning control signal provided from the control unit 104. By converting to the intermediate frequency, demodulation and error correction, the tuned streams are restored to the transport stream. You can tune the broadcast channel.

The demultiplexer 108 extracts a video and audio signal of a digital broadcast program that the user watches from the reconstructed transport stream, and delivers the video and audio signal to the decoding unit 110. Information, etc.), packet data is extracted and transmitted to the additional information decoding unit 114.

Meanwhile, the decoding unit 110 converts the compressed coded broadcast signal (broadcast program signal) of a specific channel into an original signal before encoding using a decoding technique such as variable length decoding, inverse DCT, inverse quantization, and motion compensation. The decoded image is transferred to the signal processor 112, decompressed using the MPEG codec, etc., for the reproduced image read from the external recording medium 120, and then transmitted to the signal processor 112. It performs a function of compressing the transmitted broadcast signal using an MPEG codec or the like and providing the compressed broadcast signal to the external recording medium 120.

Next, the signal processor 112 displays a video signal of the digital broadcast signal reconstructed by the decoder 110 through a monitor (not shown), outputs an audio signal through a speaker not shown, and generates a menu. Various menu screens generated through 118 are mixed (combined) with video signals and displayed on a monitor.

On the other hand, the additional information decoding unit 114 decodes the additional information packet data transmitted from the demultiplexing unit 108 and stores the storage unit as PSIP information (for example, broadcast channel information, broadcast time information, broadcast program information, etc.). 116).

Next, the storage unit 116 includes, for example, a memory, a hard disk driver (HDD), and the like. The storage unit 116 stores related information (for example, PSIP information, etc.) of the received digital broadcast program in a predetermined period ( For example, one week, two weeks, etc.) are stored, and the priority condition for the background image of the music broadcast is set and registered, and these are extracted and provided to the controller 104 as necessary.

The menu generator 118 generates various menu screens (eg, a program information menu screen, a background screen selection menu screen, etc.) according to a control signal from the controller 104 when a user requests broadcast program related information. The menu screen data generated here is transferred to the signal processor 112.

The external recording medium 120 may include an optical disc such as a CD or a DVD, a Blu-ray disc, a USB memory, various recording media capable of providing a playback image, and the like, according to a control signal from the controller 104. Read and play the playback image to the decoding unit 110 or writes various data from the decoding unit 110 to an optical disk, a USB memory or the like.

Next, when switching to a music broadcast channel in the broadcast receiving device having the above-described configuration, the background screen selection menu screen is displayed, and through this, the selected playback video, stored video or other broadcast video is extracted and the background of the music broadcast is extracted. The following describes the process of displaying a screen and playing a music broadcast.

2 is a flowchart illustrating a process of playing a music broadcast using a user-selected image as a background screen according to an embodiment of the present invention.

Referring to FIG. 2, in the broadcast reproducing mode of the broadcast receiving device (step 202), the controller 104 inputs a key for the user to switch to the music broadcast channel using an input unit (not shown), for example, a remote controller. In response to this, it is checked whether there is a music broadcast channel switching operation signal generated from the key input unit 102 (step 204).

If there is a music broadcast channel switching operation signal as a result of the check in step 204, the control unit 104 provides a control signal for tuning the music broadcast channel to the tuning and demodulation unit 106, and accordingly the tuning and demodulation unit In step 106, the music broadcast channel is tuned and the broadcast signal is transmitted to the demultiplexer 108 (step 206). The broadcast signal of the music broadcast channel is transmitted to the signal processor 112 through the demultiplexer 108 and the decoder 110.

In addition, the controller 104 provides a control signal for tuning a music broadcast channel to the tuning and demodulation unit 106 while generating a menu screen for selecting a background screen and displaying the control signal for displaying the menu generator 118. And the background screen selection menu screen generated by the menu generating unit 118, mixed with the video signal by the signal processing unit 112, and displayed (step 208).

When the user inputs a key for selecting any one of a playback video, a stored video, and another broadcast video through the displayed background screen selection menu screen, the controller 104 selects a signal from the key input unit 102. Check if there is (step 210).

As a result of the check in step 210, if there is a selection operation signal for selecting a playback image, the controller 104 provides a control signal for extracting the playback image to the external recording medium 120 and the decoding unit 110. In addition, the playback image extracted from the optical disc loaded on the external recording medium 120 is transmitted to the decoding unit 110, and the decoding unit 110 decodes the image using an MPEG codec or the like and transmits the same to the signal processing unit 112 (step). 212). Here, the external recording medium 120 is described as an optical disc loaded in an optical disc player, but instead of an optical disc, a playback image stored in a USB memory connected to a USB communication standard can be extracted and provided, and played back like a Blu-ray disc. It may include various recording media capable of recording and providing an image.

Next, the signal processing unit 112 composes and displays the playback image transmitted as a background screen instead of the video signal of the music broadcast according to the control signal provided from the controller 104 (step 214), and plays the music broadcast. (Step 226).

On the other hand, if there is a selection operation signal for selecting another broadcast image as a result of the check in step 210, the control unit 104 provides a control signal for tuning the other broadcast channel to the tuning and demodulation unit 106, The tuning and demodulation unit 106 tunes the music broadcast channel and simultaneously tunes another broadcast channel to transfer the music broadcast signal and the other broadcast signal to the demultiplexer 108, respectively (step 216).

The demultiplexer 108 separates the music broadcast signal and the other broadcast signal into a video signal, an audio signal, and additional information, respectively, and transmits each video signal and the audio signal to the decoding unit 110, respectively. The additional information is transmitted to the additional information decoding unit 114, and the decoding unit 110 decodes the video signal and the audio signal to the signal processing unit 112 (step 218).

Next, the signal processing unit 112 configures and displays a broadcast image (video signal) of another broadcast channel, which is transmitted in place of the video signal of the music broadcast, as a background screen according to a control signal provided from the control unit 104 ( In step 220, a music broadcast is played (step 226).

On the other hand, if there is a selection operation signal for selecting a stored image as a result of the check in step 210, the controller 104 extracts the stored image to the storage unit 116 and provides it to the decoding unit 110, The decoder 110 decodes the stored image and transmits the stored image to the signal processor 112 (step 222). The stored image may include, for example, a slide image composed of various moving images and still images.

Next, the signal processing unit 112 configures and displays the stored image transmitted as a background screen instead of the video signal of the music broadcast according to the control signal provided from the controller 104 (step 224), and plays the music broadcast. (Step 226).

Meanwhile, in an exemplary embodiment of the present invention as described above, the selected image is displayed as the background image of the music broadcast through the menu screen for selecting the background image. For example, in case of '1. playback video, 2. recording video, 3. other broadcasting channel video', etc.), the priority that can be extracted after sequentially checking whether the video can be extracted according to the priority condition It is possible to control to display a wallpaper as an image, and in the case of other broadcast channels, a broadcast video broadcast as a wallpaper may be displayed as a wallpaper or a broadcast video of a preset default channel may be displayed as a wallpaper before switching to a music broadcast channel. Of course.

Therefore, when the music broadcast of the music broadcast channel is played, the present invention selects one of a playback video, another broadcast video, and a stored video according to a user's selection or a preset priority condition, and displays it as a background screen of the music broadcast. Various images may be provided as a background screen of a music broadcast.

In the foregoing description, the present invention has been described with reference to preferred embodiments, but the present invention is not necessarily limited thereto. Those skilled in the art will appreciate that the present invention may be modified without departing from the spirit of the present invention. It will be readily appreciated that branch substitutions, modifications and variations are possible.

1 is a block diagram of a broadcast receiving apparatus suitable for displaying a background screen of a user preference when playing a music broadcast according to an exemplary embodiment of the present invention;

2 is a flowchart illustrating a process of playing a music broadcast using a user-selected image as a background screen according to an embodiment of the present invention.

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

102: key input unit 104: control unit

106: tuning and demodulation unit 108: demultiplexer

110: decoding unit 112: signal processing unit

114: additional information decoding unit 116: storage unit

118: menu generation unit 120: external recording medium

Claims (8)

A tuning and demodulator comprising at least two tuners, for tuning a music broadcast channel to transmit the music broadcast signal, and for selecting and tuning another broadcast channel to selectively transmit the broadcast signal; An external recording medium for selectively reading out and transmitting the recorded playback image; A storage unit for extracting and transferring the stored image; Control unit for controlling to display any one selected from the broadcast image, the playback image and the stored image of the other broadcast channel to the background screen of the music broadcast when tuning the music broadcast channel Image playback device comprising a. The method of claim 1, The controller controls to generate and display a selection menu screen for selecting any one of the broadcast video, playback video, and stored video. A tuning and demodulator comprising at least two tuners, for tuning a music broadcast channel to deliver the music broadcast signal, and for selectively tuning another broadcast channel to selectively transmit the broadcast signal; An external recording medium for selectively reading out and transmitting the recorded playback image; A storage unit for extracting and transferring the stored image; When tuning the music broadcast channel, the background of the music broadcast is automatically selected by selecting one of the broadcast video, the playback video, and the stored video of the other broadcast channel according to the priority condition on the background screen of the music broadcast channel. Control to control display Image playback device comprising a. The method of claim 3, wherein The controller sequentially checks whether the broadcast video, the playback video, and the stored video of the other broadcast channel are playable videos according to the priority condition, and displays the playable priority video as a background screen of the music broadcast. Video playback device to control. Displaying a menu screen for selecting a wallpaper of a music broadcast when tuning a music broadcast channel; Checking whether one of a playback image, a stored image, and a broadcast image of another broadcast channel is selected through the displayed menu screen; Playing the music broadcast simultaneously with displaying the selected one as a wallpaper of the music broadcast; Background display method using a video playback device comprising a. The method of claim 5, The playing of the music broadcast may include displaying a broadcast video corresponding to a broadcast channel before tuning the music broadcast channel or displaying a broadcast video corresponding to a preset basic channel when the broadcast video of the other broadcast channel is selected. How to display wallpaper using the playback device. Detecting a priority condition for a wallpaper of the music broadcast when tuning the music broadcast channel; Determining a playable video among a play video, a stored video, and a broadcast video of another broadcast channel according to the detected priority condition; As a result of the determination, automatically selecting an image of a playable priority and displaying the image as a background screen of the music broadcast and simultaneously playing the music broadcast; Background display method using a video playback device comprising a. The method of claim 7, wherein The playing of the music broadcast may include displaying a broadcast video corresponding to a broadcast channel before tuning the music broadcast channel or displaying a broadcast video corresponding to a preset basic channel when the broadcast video of the other broadcast channel is selected. How to display wallpaper using the playback device.

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