KR20060111819A - Method and apparatus for playing musuc of (an) image display device having function of saving - Google Patents

Abstract

An apparatus and a method for reproducing music in an image display device having a storing function are provided to simultaneously display corresponding words as well as the music when a user selects reproduction for the music in which the words do not exist. A user input unit(105) allows a user to input a desired request command and desired words. If a music menu is selected through the user input unit(105), a CPU(107) controls a display unit(104) to display a music list previously stored in an HDD(Hard Disc Drive)(108) and a music list stored in an external memory(106). If the user selects desired music in the displayed music list, the CPU(107) controls the display unit(104) to display words of the corresponding music. A music reproduction processing unit(110) processes the words according to the control of the CPU(107) to synchronize the words with a voice separated through a demultiplexer(102) and simultaneously output the words and the voice. The display unit(104) selectively displays words generated in the music reproduction processing unit(110) on a video signal separated through the demultiplexer(102) according to the control of the CPU(107).

Description

Method and apparatus for playing musuc of (an) image display device having function of saving}

1 is a block diagram showing a video display device having a storage function according to the prior art.

2 to 4 is a view showing a music playback screen of the image display device having a storage function according to the prior art.

5 is a block diagram showing a music reproducing apparatus of an image display apparatus having a storage function according to the present invention;

6 is a flowchart illustrating a music reproduction method of an image display device having a storage function according to the present invention;

7 is a diagram illustrating a lyrics input screen in an image display device having a storage function according to the present invention;

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

101: Tuner 102: Demux

103: image processing unit 104: display unit

105: user input unit 106: external memory

107: central processing unit 108: HDD

110: music playback processing unit 111: voice processing unit

112: data processing unit 113: synchronization detection unit

114: speaker

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image display device, and more particularly, to a music reproducing apparatus and a method for outputting music in response to a user's request in a channel through which music is received and corresponding lyrics.

In general, a video display device has a TV as a video display device, TV has changed from an analog method to a digital TV, and such a digital TV has recently been developed with the development of TV technology to transmit broadcast signals. There is a growing interest in digital TVs using digital transmission.

There is a digital broadcasting system in order to watch the video through the digital TV, such digital broadcasting system converts the transmitted broadcast signal into a digital signal and transmits it, and the signal noise characteristics of the excellent quality can be broadcast, digital TV broadcasts and digital radio broadcasts.

The TV broadcast is a video signal and an audio signal. Due to the development of related technologies, a text or data signal can be multiplexed with a video signal and transmitted. Such a technology is called a text broadcast or a text multicast or a data broadcast. In this case, the analog broadcast is transmitted by analog processing, and the digital broadcast is transmitted by digital processing.

Also, in Korea, Mugunghwa satellite was launched in August 1995 and began digital test broadcasting in July 1996. Unlike conventional satellite broadcasting, Mugunghwa satellite broadcasting is scheduled to be SDTV-class digital broadcasting. It's almost no different from broadcasting.

The digital TV has a function of storing a video in real time using a personal video recorder (PVR) while the user is watching a broadcast, and playing it at a desired time. In addition, it can be used for recording meetings when conducting video conference using digital TV.

In general, a PVR system is a personal digital video recording device for recording and playing back information on a hard disk. The PVR system is a new concept of digital recording device that records and reproduces information on a hard disk, unlike a VCR that stores a video signal on a magnetic tape. It is a next-generation recording device that can record a certain amount of broadcast programs depending on the capacity without a VCR through the hard disk drive built into the set-top box or television body.

That is, the PVR system uses the CPU and video for digital broadcast data (Europe: DVB, Korea / Japan / North America: ATSC) and analog broadcast data (Europe; PAL, Korea / Japan / North America: NTSC). The system converts the digital signal through a signal processor, converts the digital signal data in the memory device inside the system, stores the digital signal data, converts the digital signal data, and reproduces the same at a time or a method desired by a user through a display device or a screen.

The internal functions include the scheduled recording of broadcast programs, the time shift method, etc., and the hard disk (HDD) is used as the storage space used in the PVR built-in TV system. The broadcast data can be HD: 3 hours, SD: 2 hours.

Hereinafter, an image display device having a PVR function according to the present invention will be described with reference to the accompanying drawings.

1 is a block diagram showing the configuration of a video display device having a general PVR function, Figure 2 is a view showing a music playback selection screen of the video display device according to the prior art.

As shown in FIG. 1, a video display device having a general PVR function includes a tuner 10 for tuning a broadcast signal received through an antenna and a broadcast signal received through the tuner 10 to be encoded and received. An encoder & decoder 20 for decoding, a speaker 30 for outputting the audio data decoded by the encoder & decoder 20, a display unit 40 for reproducing image data, and external storage An external memory 61 for providing a piece of information and an image provided through the external memory 60 may be provided according to a user's request, or an image received through the tuner 10 may be provided. A central processing unit (50) for controlling the control unit, and a hard disk for storing an image received through the tuner (10) or an image provided through the external memory (60) by the control of the central processing unit (50). D It consists of a large (HDD) (61).

The video display device having the general PVR function configured as described above selects a channel desired by the user through the tuner 10 when the user inputs a power-on command, and the broadcast signal tuned through the tuner 10 is selected by the encoder &. It is input to the decoder 20 to perform encoding and decoding.

Then, the audio signal processed by the encoder & decoder 20 is output through the speaker 30, and the video signal is displayed through the display unit 40.

In addition, when the external memory 60 is inserted, the CPU 50 automatically recognizes the insertion of the external memory 60 and reads the stored image data from the external memory 60.

As shown in FIG. 2, when the user selects a music list from the home menu displayed on the display unit 40, the user may select either the external memory 60 or the hard disk HDD. Make sure

When the user selects any one of the sources 41, as shown in FIG. 3, the title of the music where the current cursor is located is displayed in the upper predetermined region of the display unit 40, and the stored music is located below. List 43 is displayed.

In addition, when any one of the music lists 43 is selected, as shown in FIG. 4, a menu that a user can select to play music is popped up and displayed (44). In this case, the pop-up menu 44 displays a menu for selecting play, full play, partial play, move, delete, and cancel.

As such, the image display device according to the related art has a function of simply playing music, so if the user wants the lyrics of the desired music, the user needs to connect to the Internet and download the lyrics, or the user needs to find a separate lyrics collection to obtain the desired lyrics. There was discomfort.

The present invention has been made to solve the above problems, and when the playback is selected for the music without lyrics, the purpose is to be able to display the lyrics as well as the music at the same time.

In addition, when the lyrics are not already stored, there is another purpose of allowing the user to directly input the lyrics.

In order to achieve the above object, a video display device having a storage function according to the present invention is a video display device having a storage function including a tuner, a demux, and a hard disk (HDD). When the user input unit for inputting lyrics, and the music menu is selected through the user input unit, the music list stored in the hard disk (HDD) and the music list stored in the external memory can be controlled and displayed. When the user selects the desired music from the list of music to be displayed, the central processing unit for controlling the display of the lyrics of the music, and the lyrics are simultaneously output in synchronization with the voice separated through the demux under the control of the central processing unit And a music reproduction processing unit for processing to be able to It is composed by including a display for group D. The lyrics are selectively displayed to generate the video signal separated by the MUX in the music reproduction processing has its features.

Preferably, the music reproducing processor extracts only music from a voice signal processed by the voice processor under the control of the central processing unit and a voice processor for processing the voice signal separated through the demux to be output through a speaker. The data processing unit which generates a music file, detects the lyrics of music previously stored in the hard disk or an external memory, and generates the lyrics file, and synchronizes the music and the lyrics processed by the data processor so that the lyrics can be displayed. And a speaker for outputting music in accordance with the synchronization detected by the synchronization detection unit.

More preferably, the display unit displays a text pad for inputting a desired lyrics according to a user's request.

A control method of an image display device having a storage function according to the present invention for achieving the above object is a control method of an image display device having a storage function having an external memory, a hard disk, and a display unit, the user is a power-on command Outputting the received image and voice when input; determining whether the output voice is a real-time music broadcast; and extracting only music when the music is broadcast in real time to generate a music file, and corresponding music. And controlling the display of the lyrics.

Preferably, the controlling of the display of the lyrics of the corresponding music may include determining whether the corresponding lyrics of the generated music file already exist, and if the corresponding lyrics exist, synchronization of the music and the lyrics when playing the music. And simultaneously outputting the same, and if the corresponding lyrics do not already exist, the user directly inputs and stores the lyrics and simultaneously outputs them in synchronization.

More preferably, the user directly inputs the lyrics by selecting the desired text from the displayed text pad and inputting the lyrics.

Hereinafter, an image display device having a storage function and a control method thereof according to the present invention will be described in detail with reference to the accompanying drawings.

5 is a block diagram showing a configuration of an image display apparatus having a storage function according to the present invention, FIG. 6 is a flow chart showing a control method of the image display apparatus having a storage function according to the present invention, and FIG. FIG. 11 is a diagram illustrating a lyrics input screen in an image display device having a storage function according to the present disclosure.

As shown in FIG. 5, a video display device having a storage function according to the present invention includes a tuner 101 and a demux for separating video, audio, and additional information from a broadcast signal tuned by the tuner 101. 102, an image processing unit 103 for processing the image signal separated by the demux 102 to be displayed on the display unit 104, and for inputting a request command desired by the user and lyrics desired by the user. When the music menu is selected through the user input unit 105 and the user input unit 105, the music list stored in the hard disk (HDD) 108 and the music list stored in the external memory 106 may be displayed. In addition, when the user selects a desired music from the displayed music list, the central processing unit 107 for controlling the lyrics of the music to be displayed, and the control of the central processing unit 107 In accordance with the control of the music playback processing unit 110 and the central processing unit 107 to process the lyrics to be output simultaneously in synchronization with the voice separated through the demux 102 according to the demux 102 The display unit 104 for selectively displaying the lyrics generated by the music reproduction processing unit 110 to the video signal separated through the.

Herein, the music reproduction processor 110 processes the voice signal separated from the demux 102 to be output through the speaker 114, and the voice processed by the voice processor 111. A data processor 112 and a data processor 112 for generating a music file by separating only the music from the signal and generating the lyrics file by separating only the lyrics data from the information processed by the central processing unit 107. The sync file is detected by synchronizing the generated music file so that the lyrics file can be synchronized and output, and the lyrics are supplied to the display unit, and the music signal is composed of a sync detector 113 for supplying the speaker 114.

Referring to the operation of the image display device having a storage function according to the invention configured as described above are as follows.

First, when a user inputs a power-on command through the user input unit 105, the user can control a channel desired by the user through the tuner 101, and broadcast the channel tuned through the tuner 101. The signal is input to the demux 102 and separated into video, audio, and additional information.

In addition, the separated voice signal is processed to be output through the speaker 114 in the voice processing unit 111, when the music broadcast in real time from the voice signal processed by the voice processing unit 111, the data processing unit 112 generates only one music file by extracting only music.

When the music file is generated, the central processing unit 107 determines whether a lyrics file of the music previously stored in the external memory 106 or the hard disk 108 exists, and if so, the data processor 112. Create a lyrics file as you send it.

On the other hand, if the lyrics file does not already exist, the text pad screen as shown in FIG. 7 is displayed on the display unit 104 so that the user can directly input the lyrics, and the user directly inputs the lyrics of the music with reference to the same. When finished, it is stored in the hard disk (HDD) 108.

Subsequently, the music file and the lyrics file generated by the data processor 112 are input to the synchronization detector 113, and the synchronization detector 113 determines the synchronization from the input music file and the lyrics file and displays the display 104. The lyrics are output to the speaker, and the speaker 114 is output in synchronization with the music so that the music can be output.

That is, the video display device having a storage function according to the present invention, when storing a file containing only music, so that the user can load the lyrics directly to be played along with the lyrics when playing music, the lyrics desired by the user Can be retrieved from the memory and played back. As shown in FIG. 7, the user can directly input the desired lyrics by using a text pad supported by the video display device.

In the control method of the image display device having the storage function according to the present invention configured as described above, referring to FIG. 6, first, when a user inputs a power-on command, the received image and audio are output (S100 to S101).

In operation S102, it is determined whether the real-time music broadcast is included in the received voice signal.

Subsequently, the determination result (S102), in the case of a real-time music broadcast, only music is generated and stored after generating a music file (S103).

Then, it is determined whether the user inputs a playback command (S104).

Subsequently, if the user inputs a play command, the determination result (S104) determines whether the corresponding lyrics of the stored music file already exist (S105). At this time, it is determined whether a matching file exists by comparing the title of the music selected by the user with the title in the music play list among the stored music files.

As a result of the determination (S105), if the lyrics already exist, the music is synchronized with the lyrics when the music is reproduced (S106).

Then, it is determined whether music reproduction is completed (S107).

In addition, if it is determined that the music playback is completed (S107), it is determined whether a channel change command is input (S108).

Subsequently, when the determination result (S108), the user inputs a channel conversion command, the process returns to the step (S102) until the user inputs a power off command and repeats the process (S109).

On the other hand, if the determination result (S105), if the lyrics do not exist in the corresponding music file, the lyrics are directly input and stored, and enters the step (S104) (S110).

Therefore, as described above, the image display device having a storage function and the control method according to the present invention, when a real-time music broadcast is received, extracts only the music into one music file and reads the pre-stored lyrics file to play the music. By synchronizing the poem music with the lyrics, the music and lyrics can be output at the same time.

As described above, an image display device having a storage function and a control method thereof according to the present invention have the following effects.

First, since the lyrics can be displayed at the same time when playing music, it is possible to eliminate the wonders about the lyrics.

Second, since the user can directly input the lyrics to the music file that does not have the lyrics and display them when playing the music, the lyrics can be sufficiently supported for the music that is not stored.

Third, as the lyrics are synchronized with the music and output, they can be output at the same time point without any error.

Claims (6)

In a video display device having a storage function having a tuner, a demux and a hard disk (HDD), A user input unit for inputting a request command desired by the user and lyrics desired by the user; When the music menu is selected through the user input unit, the music list stored in the hard disk (HDD) and the music list stored in the external memory are controlled to be displayed, and when the user selects the desired music from the displayed music list, A central processing unit for controlling the lyrics of the music to be displayed; A music reproduction processor for processing lyrics to be output simultaneously in synchronization with the voice separated through the demux under the control of the central processing unit; And, And a display unit for selectively displaying the lyrics generated by the music reproduction processor in the image signal separated through the demux under the control of the central processing unit. The method of claim 1, The music reproduction processing unit A voice processing unit for processing the voice signal separated through the demux to be output through a speaker, and extracting only music from the voice signal processed by the voice processing unit under the control of the central processing unit to generate a music file; Providing the lyrics to the display unit so that the lyrics are displayed by detecting the lyrics of music stored in a hard disk or an external memory and generating lyrics files and the synchronization of the music and the lyrics processed by the data processor is displayed. And a speaker for outputting music in accordance with the synchronization detected by the synchronization detection unit. The method of claim 1, And the display unit displays a text pad for inputting lyrics desired by the user according to a user's request. In the control method of a video display device having a storage function having an external memory, a hard disk and a display unit, Outputting a video and audio received when a user inputs a power-on command; Determining whether the output voice is a music broadcast in real time; And, And when the music is broadcast in real time, extracting only music to generate a music file, and controlling music display and lyrics of the corresponding music to be displayed according to whether a user selects a play command. Control method of a video display device having a storage function. The method of claim 4, wherein Controlling so that the lyrics of the music can be displayed Determining whether the corresponding lyrics of the generated music file already exist; and if the corresponding lyrics already exist, simultaneously outputting synchronization of music and lyrics during music playback; and if the lyrics do not already exist, A method for controlling an image display device having a storage function, comprising: a user directly inputs and stores lyrics, and simultaneously outputs the lyrics. The method of claim 5, The user directly enters the lyrics The method of controlling a video display device having a storage function, characterized in that the step of inputting the lyrics by selecting the desired text in the displayed text pad.

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