KR0172481B1 - Karaoke system - Google Patents

Abstract

The present invention provides an apparatus for providing a still picture of a VCD during a video retrieval period (FF / REW) of a VCR in a video VLC (VCD + VCR) supporting song accompaniment and lyrics subtitles of a VCD using a moving picture of a VCR. It is about a method.

Conventionally, the VCD performs a song search during a selection, and during this period, the VCR searches (driving control) a scene of a suitable genre for the song (driving control), and a solid background (eg Display the blue OSD) to temporarily block the noise screen during VCR search.

The present invention provides moving picture reproducing means for reproducing a moving picture recorded on a recording medium, a still picture and audio reproducing means for reproducing a still picture and an audio recorded on the recording medium, and the moving picture reproducing means. The still image played by the still image and the audio reproducing means is displayed until a scene is searched. When the moving image search is completed, the still image reproduced by the still image and the audio reproducing means is superimposed on the reproduced video. Switching means for causing a video signal to be reproduced and outputting a reproduced voice, and control means for determining a video search of the video reproducing means and controlling the switching means according to the search result; Therefore, the video signal processing apparatus of the video CD VCD (VCD + VCR) is configured to display the still image played on the VCD instead of the monochrome OSD in the video output unit during the screen search of the VCR.

Description

Image signal processing device and method of song accompaniment device

1 is a block diagram of a conventional video CD.

Figure 2 is a block diagram of a video CD VR by the video signal processing apparatus of the present invention.

3 is a video signal processing timing diagram according to the present invention.

4 is a flowchart showing a video signal processing method of the present invention.

* Explanation of symbols for main parts of the drawings

201: preamplifier 202: VCR video signal processor

203: VCR control unit 204: pickup unit

205: motor unit 206: motor control unit

207: VCD control unit 208: video signal processing unit

209: switching unit 210: switching control unit

211: video output unit 212: sound source processing unit

213: audio output unit

The present invention supports a video song accompaniment device, in particular VCR (VCR), a video CD (VCD) in the video CD VCD (VCD + VCR) that supports song accompaniment and lyrics subtitles, VCR and VCD at the same time The video signal processing device of the video CD VLC which provides the still picture of the VCD during the video search period (FF / REW) of the VCR, and then automatically converts it to the video of the VCR when the selection is completed. And a method of treating the same.

The video CD VCD supports a video in the VCR, and the song accompaniment and lyrics subtitles are the song accompaniment system supported by the VCD, and the circuit configuration thereof is shown in FIG.

Referring to FIG. 1, a conventional video CD V includes a preamplifier 101 for amplifying a video signal reproduced on a magnetic recording medium, a band change, a luminance, and a brightness of the amplified video signal. A video signal processor 102 that performs color processing, a VCR controller 103 that controls the video signal processor 102 and a VCR traveling system to perform screen navigation, and still image data recorded on the VCD. And a pickup section 104 for reproducing song accompaniment and lyrics subtitle data, a motor section 105 for driving the pickup section 104 and a VCD, a motor control section 106 for controlling the motor section 105, and And a VCD control unit 107 for supplying the still image of the VCD reproduced from the pickup unit 104, the song lyrics subtitle data, and the song accompaniment data to the image signal processing unit 108, and controlling the motor control unit 106. , The control of the VCD control unit 107 A video signal processor 108 for receiving and processing a VCD playback video signal, a video output unit 109 for displaying video and song lyrics subtitles output from the VCR video signal processor 102 and the VCD video signal processor 108; A sound source processor 110 for processing song accompaniment data under the control of the VCD controller 107 to generate song accompaniment, and a voice output unit for outputting a song accompaniment voice signal processed by the sound source processor 110; It consists of 111.

The conventional VCD + VCR thus configured supports video on the VCR, the VCD supports subtitles and song accompaniment of song lyrics, and the VCD performs song searching during the selection, and during this time the VCR is suitable for that song. Searching for the genre (recorded in advance) is performed (driving control), and during the VCR search, a monochromatic background (eg blue OSD) is displayed on the video output unit 109 to temporarily block the noise screen during the VCR search. Is done.

First, in a karaoke mode, when a user inputs a song number for selection, the VCD controller 107 issues a motor driving command to the motor control unit 106 for selection of the song number, and the motor control unit 106 transmits the motor unit 105. ) To drive the pickup unit 104 to find the position where the music selected by the user is recorded.

At this time, the VCR controller 102 also operates to search for the position where the screen of the genre corresponding to the selected song is recorded on the videotape.

As such, a noise screen may be output to the image output unit 109 while the VISS search is performed. Thus, the image signal processing unit 102 processes the monochrome background screen into the image output unit 109 and thereby inputs the monitor screen. During the song search and screen search, a monochromatic background screen, for example, a blue screen is displayed.

When the search for the song is completed and the search for the screen genre is completed, the VCD controller 107 supplies the video signal processing unit 108 with the caption data of the song lyrics reproduced from the pickup unit 104 to the video output unit 109. Subtitles of the song lyrics corresponding to the progress of the song are displayed, and the moving picture signal reproduced from the video tape-magnetic recording medium is amplified by the preamplifier 101, and by the image signal processor 102, band conversion, brightness and color. It is displayed on the video output unit 109 through various signal processing such as signal processing.

On the other hand, the VCD control unit 107 controls the sound source processing unit 110 from the song accompaniment sound data output from the pickup unit 104 so that the corresponding song accompaniment sound is generated, and this song accompaniment signal is the audio output unit 111. Is output via

Therefore, the video output unit 109 expresses the video of the VCR corresponding to the song selected by the user and the subtitle of the song lyrics of the VCD, and the song accompaniment sound is output to the speaker.

In the conventional video CD V as described above, while the music search of the VCD and the screen search of the VCR are performed (FF / REW operation), the image output unit 109 has a limitation that a monochromatic background color screen is displayed.

This gives the user the inconvenience of having to wait tediously while searching for songs and scenes, and places the same limitations on the device that displays the video while leaving the display uninterrupted. Drop.

The present invention can display the still image played on the VCD in place of the monochrome OSD in the image output unit to solve the limitations and inconveniences of the conventional video CD V as described above. It is an object of the present invention to provide a video signal processing apparatus and a method of a song accompaniment device.

A video signal processing apparatus of the song accommodating device of the present invention which achieves the above object comprises: moving picture reproducing means for reproducing a moving picture recorded on a recording medium and operating simultaneously with a still picture and audio reproducing means; Still image and audio reproducing means which simultaneously operate and reproduce still images (including lyrics subtitle data of songs) and voices (song accompaniment data) recorded on the recording medium, and the video reproducing means searches for a specific scene desired by the user. Until the still image is reproduced by the still image and the audio reproducing means, and when the video search is completed, the still image (the subtitle of the song lyrics) reproduced by the still image and the audio reproducing means is displayed on the reproduced video. Switching means for superimposing the display and outputting the reproduced sound; It determines an image search method in accordance with the search result control means for controlling switching of the switching means; A video signal processing device characterized in that the configuration.

The moving picture reproducing means reproduces a moving picture recorded on a magnetic recording medium as a VCR, and the still picture and audio reproducing means reproduces and accompanies a still picture including song lyrics subtitles recorded on a CD as a VCD. Reproducing the sound together, the switching means is characterized in that the superimposed song lyrics subtitle of the still image when the moving image and the still image.

On the other hand, the video signal processing method of the present invention made by the video signal processing apparatus includes the steps of simultaneously operating the video reproducing means and the still image and audio reproducing means, and detecting whether the scene is searched for the video during the simultaneous operation of the step. And selecting and displaying a still image when scene detection of the moving image is performed as a result of the detection of the step; and displaying and playing back the moving image and the still image when the scene detection of the moving image is completed as the detection result of the step. Outputting voice; A video signal processing method characterized in that the video signal processing method comprises: playing back a video recorded on a magnetic recording medium of a VCR, and playing back a still picture and an audio; And playing the still image including the song lyrics subtitles, and playing the accompaniment together, and superimposing the still image song lyrics subtitles on the video.

As an embodiment of the present invention configured and configured as described above, a video signal processing apparatus and a method of a video CD (VCD + VCR) will be described with reference to the embodiments of FIGS. 2 to 4 as follows.

First, FIG. 2 is a block diagram showing an embodiment of the video signal processing apparatus according to the present invention, which includes a preamplifier 201 and a preamplifier 201 for amplifying a video signal reproduced on a magnetic recording medium. A video signal processor 202 which performs band conversion and luminance and color processing of the amplified video signal, and controls the video signal processor 202 and controls a VCR traveling system to perform screen searching, and a VCD controller ( 207 is connected to the VCD control unit 203 for transmitting and receiving information on the simultaneous operation of the VCR and VCD and the completion of screen navigation, and the pickup unit for reproducing still image data and song lyrics subtitle data recorded in the VCD. ), A motor unit 205 for driving the pickup unit 204, a motor control unit 206 for controlling the motor unit 205, and a still image of an input VCD reproduced from the pickup unit 204. And song lyrics subtitle data and no Supplies accompaniment data to the image signal processor 208 and the sound source processor 212 and controls the motor controller 206, and is connected to the VCR controller 203 to simultaneously operate the VCR and the VCD and to complete the screen search. A VCD controller 207 for outputting a control signal for video switching according to the above, a video signal processor 208 for processing a VCD playback video signal under the control of the VCD controller 207, and the VCR video signal processor 202. And a switching unit 209 for selecting and outputting a VCR video or a VCD still image output from the VCD video signal processing unit 208, and caption data of song lyrics output from the VCD control unit 207. A switching control unit 210 for controlling the switching unit 209 to be loaded on the video selected by the image output unit 211 displaying a still image or a video and song lyrics selected by the switching unit 209; The VCD control unit 207 A sound source processor 212 for processing VCD song accompaniment data under control and outputting a song accompaniment voice signal processed by the sound source processor 212 to a speaker along with a microphone input voice signal (not shown); The audio output unit 213 is configured.

The video signal processing apparatus of the video CD VCD (VCD + VCR) of FIG. 2 configured as described above processes the video signal as shown in the timing diagram of FIG. 3 and the flowchart of FIG.

First, when a user inputs a song number using a key input unit (not shown) for selecting a song in the karaoke mode, the VCD controller 207 is connected to the VCR controller 203 and the port P1 so that the VCR and the VCD operate simultaneously. In addition, a motor driving command is issued to the motor controller 206 for selecting a song number input by the user, and the motor controller 206 drives the pickup unit 204 by controlling the driving of the motor unit 205 to be selected by the user. The location of the song is found, and the caption data and song accompaniment data of still images and song lyrics are read.

The VCD control unit 207 supplies the still image data reproduced from the pickup unit 204 to the image signal processing unit 208, and the VCD image signal processing unit 208 processes the still image data to process the end of the switching unit 209. Type in

At this time, the VCR controller 203 also operates to search for the position where the screen of the genre corresponding to the selected song is recorded on the videotape.

During the VISS search, the VCR controller 203 informs the VCD controller 207 that the screen is being searched.

The VCD control unit 207, which receives the signal during the screen search to the port P1, outputs a low signal from the port P2, and the low signal is switched to the switching unit 209 through the switching control unit 210 (OR gate). Is input to the switching control signal.

When the low signal is input as the switching control signal, the switching unit 209 switches to the image signal processing unit 208 on the VCD side to select a still image output from the VCD image signal processing unit 208, and the selected still image is output to the image output unit. 211 is supplied and displayed.

In other words, while the VCR is searching (FF / REW) the screen of the atmosphere (genre) suitable for the song selected by the user, the image output unit 211 outputs a still image reproduced from the VCD to produce a conventional monochromatic background color ( OSD) processing can be excluded.

When the screen genre is searched by the VCR control unit 203, the screen is reproduced, and the reproduced video signal is input to the other end of the switching unit 209 via the preamplifier 201 and the image signal processor 202. do.

The VCR controller 203 informs the VCD controller 207 that screen search is completed.

The VCD controller 207, which has received the screen search and is input to the port P1, outputs a high signal at the port P2.

This high signal is input to the switching unit 209 as a switching control signal through the switching control unit 210.

When the switching control signal is input as a high signal, the switching unit 209 switches to the video signal processing unit 202 on the VCR side to select a VCR video, and the selected video signal is input to the video output unit 211 so that the video is displayed on the screen. Is expressed.

On the other hand, the caption processing of the song lyrics according to the progress of the music while expressing the moving picture must be performed as described above, so the VCD control unit 207 outputs a subtitle superimposition control signal (Super-impose) according to the VCD caption data at the port P3. .

The caption superposition control signal is a pulse signal that is changed to high and low at the timing of song lyrics (subtitles) (usually at the bottom of the monitor screen).

This signal is input to the switching unit 209 through the switching control unit 210 as a switching control signal, and at this timing, the subtitle data of the song lyrics is output. The VCD control unit 207 outputs a low signal at the port P2. do.

By the switching control signal output in this way, the switching unit 209 is switched appropriately at the timing at which the subtitle data of the song lyrics is output to the VCD video signal processing unit 208, whereby the VCR video signal processing unit 202 Subtitles of song lyrics are superimposed on the output VCR video.

Therefore, the video output unit 211 displays the video of the VCR and the subtitles of the lyrics according to the progress of the song.

On the other hand, the VCD control unit 207 controls the sound source processing unit 212 from the song accompaniment sound data output from the pickup unit 204 to generate the song accompaniment sound, and this song accompaniment signal is the audio output unit 213. Through the microphone is output along with the microphone input signal of the song you sing.

Therefore, the video output unit 211 expresses the video of the VCR corresponding to the song selected by the user and the subtitle of the song lyrics of the VCD, and the song is output to the speaker.

Thereafter, when the accompaniment of the selected song ends or the user inputs a stop key of the song, the VCD controller 207 and the VCR controller 203 stop the playback of the song and the same image and wait for the song number input, respectively. Returning to, repeat the above procedure.

As described above, according to the present invention, the VCR outputs a still image of the VCD to the screen while the VCR searches for the screen of the atmosphere corresponding to the song selected by the user, and when the screen search is completed, the VCD is displayed on the VCR video. You can display the lyrics of the song lyrics on the screen.

In addition, since the still image is displayed during the search as described above, the bored feeling can be reduced, and the function of the video device can be fully maximized.

Claims (4)

Moving picture reproducing means for reproducing a moving picture recorded on a recording medium and operating simultaneously with the still picture and audio reproducing means, a still picture reproducing the still picture and audio recorded at the recording medium simultaneously with the moving picture reproducing means; And display the still image played by the still image and the audio reproduction means on the video display means until the audio reproduction means, the video display means for displaying the video signal, and the video reproduction means search for a specific scene desired by the user. Switching means for displaying the reproduced video when the video search is completed, and control means for determining the video search of the video playback means and switching the switching means according to the search result; A video signal processing apparatus for a song accompaniment device, characterized in that consisting of. 2. The moving picture reproducing means reproduces a moving picture recorded on a magnetic recording medium as a VCR, and the still picture and audio reproducing means reproduces a still picture including song lyrics subtitles recorded on a CD as a VCD. And playing the accompaniment together, wherein the switching means superimposes the song lyrics subtitles of the still image on the moving image when the moving image overlaps the still image. Operating the video reproducing means and the still image and audio reproducing means simultaneously; detecting whether the video is searched for the scene during the simultaneous operation of the step; and if the scene search is being performed as a result of the detection of the step, Selecting and displaying, and when the scene search of the moving picture is completed as a result of the detection of the step, displaying the moving picture and the still picture by overlapping them and simultaneously outputting a reproduced voice; The video signal processing method of the song accompaniment device characterized in that the control. 4. The method according to claim 3, wherein in the reproducing of the moving picture, the moving picture recorded in the magnetic recording medium of the VCR is reproduced, and in the step of reproducing the still picture and the voice, song lyrics subtitles recorded in the VCD are included. Reproducing a still image and playing the accompaniment together, and superimposing song lyrics subtitles of the still image on the moving image; Image signal processing method of a song accompaniment device characterized in that the.