KR100765803B1 - Video music accompaniment apparatus having real time saving and playing function - Google Patents

Abstract

A music accompaniment device having a real-time storing and playing function is provided to store and reproduce music accompaniment data in real time, and to reduce maintenance cost. A music accompaniment device having a real-time storing and playing function comprises a memory part(145), a storage part(200), and a reproducing part. The memory part provides a storage space for storing music data signals of a set format. The storage part reads more than two data signals selected from MIDI, CDG, VCD, DVD, and LD data signals, converts the data signals into music data signals, and stores the music data signals in real time. The reproducing part mixes the selected music data signals with audio signals to reproduce the mixed data. The storage part is installed with a CDG storage part(210), a VCD/DVD storage part(220), and an LD storage part(230).

Description

Video music accompaniment apparatus having real time saving and playing function}

1 is a schematic block diagram of a video song half cycle according to an embodiment of the present invention

2 is a block diagram of a storage unit of a video song half-period according to an embodiment of the present invention.

3 is a block diagram of an audio player of a video song half-period according to an embodiment of the present invention.

4 is a block diagram of a video player of a video song half-period according to an embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

100: main operation unit 115: control signal input unit

120: CPU 125: image signal processing unit

130: video signal processor 135: audio signal processor

140: power supply unit 145: memory unit

150: DVD loader 152: sound source module

153: Superposition 154: Mixer

155: audio / video signal input and output unit

165: microphone signal receiver 162, 170, 175: microphone

180: remote control 200: storage

210: CDG storage unit 220: VCD, DVD storage unit

230: LD storage unit

The present invention relates to a video song cycle with real-time storage and playback, and more specifically, to CDG (Compact Disk Graphic), DVD (Digital Versatile [Video] Disk), VCD (Video Compact Disk), LD (Laser). Disk) and a video song accompaniment having a function of storing and reproducing the video song accompaniment data in real time as a playable file.

Generally, the song accompaniment is a device that displays lyrics along with song accompaniment connected to a video monitor and an audio amplifier. It is mainly an LDP type song half cycle using LDP (Laser Disk Player), and CDG type using CDGP (Compact Disk Graphic Player). It is divided into song half cycle, VCD type song half cycle, DVD type song half cycle, and memory using memory (HDD: Hard Disk) type half cycle.

The half-cycle of the LDP type song using LDP is superior to any sound source, but since the number of songs contained on one laser disk is limited to about 30 songs, a separate disk exchange device is required to service a large amount of songs. There is this.

The CDG type song cycle can provide the same sound quality as a laser disc, but provides only a limited number of still picture image information recorded in a sub-code channel of a compact disc. The connection between the video and the sound is reduced as compared to the half-period of the song, and since the songs contained on the compact disc are limited to about 15 songs, there is a problem in that a separate disc changer is required. This problem is similarly present in the VCD-type video song half-cycle and the DVD-type video song half-cycle.

Although the song type cycle of the memory type cannot provide the same sound quality as that of the LDP, CDG, VCD, and DVD type video song periods, the accompaniment information and lyrics information of about 100-1500 songs are not recorded. Interface) type, which can be provided in large quantities, and has the advantage of being able to search for songs at high speed. The song half-cycle of the memory type operates by reading data such as MIDI data stored in the memory and driving the sound source module. However, the memory half-cycle of the memory type has a disadvantage in that a maintenance cost due to song production cost or copyright fee is high due to providing a large amount of songs. In addition, in the case of a conventional singing cycle there was a disadvantage that can only use the music provided by the manufacturer.

Accordingly, it is an object of the present invention to provide a video karaoke cycle having a real time storage and playback function that can overcome the above problems.

Another object of the present invention is to provide a video karaoke cycle with a real-time storage and playback function that can provide a large amount of songs while maintaining a low maintenance cost.

According to one embodiment of the present invention for achieving some of the above technical problems, the image song half-cycle capable of reproducing the song data signals of a specific dedicated format according to the present invention, storing the song data signals of the specific dedicated format A memory unit providing a storage space for performing the same; When externally provided at least one or more data signals selected from among MIDI data signals, CDG data signals, VCD data signals, DVD data signals, and LD data signals are read, the song data for storage in the specific dedicated format is read. A storage unit for converting into signals and storing the signals in real time in the memory unit; And a reproducing unit which mixes and reproduces a song data signal selected from song data signals previously stored in the memory unit and song data signals stored in real time through the storage unit, with an audio signal input through a microphone. .

The storage unit may include a CDG storage unit for CDG data signals, a VCD / DVD storage unit for VCD data signals and DVD data signals, and an LD storage unit for LD data signals. The CDG storage unit includes: a first audio encoder for encoding an audio signal among input CDG data signals; An image encoder for encoding an image signal among the input CDG data signals; A lyrics converter and a list generator for converting lyrics and generating a song list file among input CDG data signals; And a first synthesizer for synthesizing output signals of the first audio encoder, the image encoder, and the lyrics converter and the list generator to generate a song data file in a dedicated format.

The VCD / DVD storage unit includes: a reader for reading input VCD / DVD data signals; A converter for converting the output signal of the reader into a predetermined video file; A first list generator for generating a music list file recognized automatically or manually through the reader; And a second synthesizer for synthesizing the video file output through the converter and the song list file to generate a song data file in a dedicated format.

The LD storage unit may include: a second audio encoder for encoding an audio signal among the input LD data signals; A video encoder for encoding a video signal among the input LD data signals; A file generator for processing the encoded audio and video signals to generate a predetermined video file; A second list generator for generating a music list file for the LD data signal; And a third synthesizer for synthesizing the video file output from the file generator and the song list file to generate a song data file in a dedicated format.

The reproduction unit may include an audio reproducing unit and a video reproducing unit, wherein the audio reproducing unit includes a MIDI sequencer and a sound source module for reproducing audio of a MIDI file; A video signal processor for decoding audio signals of VCD, DVD, and LD files; An audio signal processor for decoding an audio signal of a CDG file and an output signal of the video signal processor; A DA converter for analog-converting the digital output signal of the audio signal processor; And a mixer for mixing the output signal of the sound source module and / or the output signal of the DA converter with the audio signal of the microphone and outputting the result to the amplifier. The video reproduction unit may include an image signal processing unit for decoding image signals of a MIDI file and a CDG file; A video signal processor for decoding video signals of VCD, DVD, and LD files; The image signal processor may output an image signal of the image signal or the video signal processor as it is, or may be provided with an overlapping device for superimposing the embedded image source.

The video song half-cycle may further include a DVD loader for input of an image source and input of the song data signals.

According to the above structure, a large amount of music can be played back or accompanied by a low maintenance cost.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, without any other intention than to provide a thorough understanding of the present invention to those skilled in the art.

1 is a block diagram of a video song half-period according to an embodiment of the present invention.

As shown in FIG. 1, the video song half-cycle according to an embodiment of the present invention includes a main operation unit 100, a control signal input unit 115, a memory unit 145, a DVD loader 150, and a microphone signal receiving unit ( 165, and a power supply 140.

The video singing cycle according to an embodiment of the present invention may basically include all of the configuration of a memory type singing half cycle which is well known to those skilled in the art.

The main operation unit 100 is a storage unit for converting various song data signals (files) into a file of a dedicated format and storing them in the memory unit 145, and the song data signals previously stored in the memory unit 145. And a reproducing unit for reproducing a song data signal selected from among song data signals stored in real time through the storage unit.

The storage unit and the reproduction unit include an audio / video signal input / output unit 155 for input / output of an audio signal and / or a video signal VIDEO, an image signal processor 125 for processing an image signal, and an audio signal. Since the audio signal processor 135 for processing the video signal, the MPEG signal processor 130 for video signal processing, the CPU 120 for overall operation control, and the like are shared, the storage unit and the playback unit are not shown separately. It is shown as integrated into the main operation unit 100 without. Detailed configurations and operations of the playback unit and the storage unit will be described again with reference to FIGS. 2 to 4.

The control signal input unit 115 is where the main operation unit 100 and other control signals for control are input. The control signal is input by the user through the remote control. For example, the control signal input unit 115 may be input to the control signal input unit 115 by generating a control signal for the user to perform a storage operation on the main operation unit 100. In addition, the control signal input unit 115 may input a control signal generated for selecting a song song, volume control, sound control, image selection, or the like, during the reproduction operation of the main operation unit 100.

The memory unit 145 provides a storage space for storing song data signals. The memory unit 145 may include a HDD type memory as in a conventional memory type song half cycle. The memory unit 145 already provides a memory space for storing hundreds to thousands of MIDI song data signals (files), and for storing the song data files for storage provided through the main operation unit 100. Must be able to provide memory space

The DVD loader 150 serves as an input unit of song data files for reproduction or storage in the CDG, VCD, DVD, and LD format song data files. It also functions as an input for input of an image source.

The microphone signal receiver 165 has a configuration for receiving signals from wired or wireless microphones MIC1 and MIC2. That is, an amplifier, a filter, a receiving module, an antenna, or the like for receiving a voice may be provided.

The power supply unit 140 is for supplying power to the video song half cycle.

2 is a block diagram illustrating a storage path of song data signals and a configuration of the storage unit.

As illustrated in FIG. 2, the storage unit 200 converts at least one data signal selected from among MIDI data signals, CDG data signals, VCD data signals, DVD data signals, and LD data signals. The operation of storing the memory unit 145 is performed. In this case, the MIDI data signals may already be stored in the memory unit 145. In addition, when the MIDI data signals (files) are stored, the MIDI data signals (files) may be stored in different storage locations according to designated numbers of the memory unit 145.

Here, the CDG data signals (files), the VCD data signals (files), the DVD data signals (files), and the LD data signals (files) are the video song half-period of the LDP type, the music half-period of the CDG type, and the VCD. A song data cycle (file) to be reproduced in each type of song half cycle and the DVD type half cycle. In addition, the MIDI data signals may refer to song data signals to be operated in a song half cycle of a memory type. That is, the CDG data signals may refer to a source file for accompaniment operation of the CDG type song half period, wherein the VCD data signals are the VCD type song period, and the DVD data signals are the DVD type song period, LD data signals may refer to a source file for accompaniment operation of the LDP-type video song half-cycle.

The storage unit 200 includes a CDG storage unit 210 for the CDG data signals, a VCD / DVD storage unit 220 for the VCD data signals and the DVD data signals, and an LD storage unit for the LD data signals. The unit 230 is provided. The storage unit 200 may be configured to store the MIDI data signals in the memory unit 145 without a conversion operation.

The CDG storage unit 210 may include a first audio encoder 212, a lyrics converter and a list generator 214, an image encoder 216, and a first synthesizer 218.

The first audio encoder 212 encodes an audio signal among CDG data signals input from an external device such as the DVD loader 150. For example, the CDG audio signal is converted into an audio file in the form of OGG, MP3, MP2, or WMA.

The lyrics converter and list generator 214 synchronizes lyrics and subtitles from a text signal among the CDG data signals, converts them into a dedicated lyrics method, creates a list of songs, and generates a list file. The music list is implemented to be automatically generated by the information embedded in the text signal.

The image encoder 216 encodes an image signal among the CDG data signals. For example, CDG image files are converted into image files such as JPG and JPEG.

The first synthesizer 218 is an audio file (OGG, MP3, MP2, WMA) converted by the first audio encoder 212, a text file and a list file output from the lyrics converter and list generator 214, and The image encoder 216 synthesizes the converted image files (JPG, JPEG) to generate one composite file. For example, create it as a BIN file. The synthesized file (BIN file) generated by the first synthesizer 218 is located at a user designated number or an autogenerated number in the memory unit 145 by the CPU 120 or the like that controls the operation of the main operation unit 100. Save it. The composite file (BIN file) may be a song data file in a dedicated format that can be reproduced in a video song half cycle according to an embodiment of the present invention.

The VCD / DVD storage unit 220 may include a reader 222, a converter 224, a first list generator 226, and a second synthesizer 228.

The reader 222 reads input VCD data signals or DVD data signals.

The converter 224 converts the data signal output from the reader 222 into a predetermined video file MPEG. Although it is expressed in the figure as converting to an MPEG file, it can be converted to another video file if it can be reproduced in the song cycle.

The first list generator 226 generates a music piece list file according to the information recognized by the reader 222. When the song list information is automatically provided through the reader 222 (AUTO), the song list file is automatically generated, and when the song list information is not automatically provided (PA), the song list file is manually generated. do.

The second synthesizer 228 synthesizes the video file output through the converter 224 and the list file provided through the first list generator 226 to generate a single composite file. For example, create a BIN file. The synthesized file (BIN file) generated by the second synthesizer 228 is located at a user designated number or an autogenerated number in the memory unit 145 by the CPU 120 or the like which controls the operation of the main operation unit 100. Save it. The composite file (BIN file) may be a song data file in a dedicated format that can be reproduced in a video song half-cycle according to an embodiment of the present invention.

The LD storage unit 230 includes a second audio encoder 232, a video encoder 234, a file generator 235, a second list generator 236, and a third synthesizer 238.

The second audio encoder 232 encodes an audio signal AUDIO separated or synthesized into an L signal and an R signal among LD data signals. For example, the CDG audio signal is converted into an audio file in the form of OGG, MP3, or MP2. The second audio encoder 232 performs the same operation as that of the first audio encoder 212 of the CDG storage unit 210 and may have the same configuration.

The video encoder 234 is responsible for encoding the video signal VIDEO among the LD data signals.

The file generator 235 processes an encoded audio signal and a video signal to generate a predetermined video file. For example, an MPEG file is generated or another type of video file that can be played back in the song cycle is generated.

The second list generator 236 manually generates a song list file for the LD data signal.

The third synthesizer 238 synthesizes the video file generated through the file generator 235 and the list file provided through the second list generator 236 to generate one composite file. For example, create a BIN file. The synthesized file (BIN file) generated by the third synthesizer 238 is a user-designated number or an auto-generated number location in the memory unit 145 by the CPU 120 or the like that controls the operation of the main operation unit 100. Store in The composite file (BIN file) may be a song data file in a dedicated format that can be reproduced in a video song half-cycle according to an embodiment of the present invention.

In the configuration of the storage unit 200, the first audio encoder 212 and the second audio encoder 232 may be one encoder that can perform two operations only in a classified manner. In addition, the first audio encoder 212 and the second audio encoder 232 may configure the audio signal processor 135. In addition, the second synthesizer 228 and the third synthesizer 238 may be implemented as one synthesizer. In addition, the converter 224, the video encoder 234, and the file generator 235 may configure the MPEG signal processor 130.

The song list files LIST may include contents such as a designated number, a song title, and a singer name. In addition, the composer or songwriter may include a name. The music list files LIST may have different icons according to the type of the source file. For example, 'M' for a source file, 'G' for a CDG file, 'V' for a VCD file, 'D' for a DVD file, and 'L' for an LD file. It may be displayed to distinguish them from each other. The created song list can be transferred to a PC and printed via communication with a PC via USB. To this end, the song player may be provided with a USB port for communication with a PC.

3 and 4 are block diagrams for explaining the configuration of the playback unit and the playback path of the song data signals. 3 illustrates the configuration of the audio reproduction path and the audio reproduction unit, and FIG. 4 illustrates the configuration of the video reproduction path and the video reproduction unit.

As shown in FIG. 3, the audio reproducing unit basically includes a MIDI sequencer and a sound source module for reproducing a MIDI file. The video signal processor 130, the audio signal processor 135, the DA converter 156, the mixer 154, the amplifier 158 and the like. In addition, a microphone echo 157 circuit for sound effects may be included. The DA converter 156, the mixer 154, the amplifier 158, the microphone echo 157, and the like may constitute the audio / video signal input / output unit 155 of FIG. 1.

The MIDI sequencer 132 and the sound source module 152 are typically provided in a song type cycle of a memory type and are responsible for reproducing a MIDI file audio signal (accompaniment signal).

The video signal processor 130 extracts and processes audio signals from VCD, DVD, and LD data files in addition to the functions described above.

In addition to the role performed in FIG. 2, the audio signal processor 135 decodes an audio signal output from the video signal processor 130 and an audio signal of a CDG data file. Therefore, the audio signal processor 135 may include an audio decoding circuit.

The DA converter 156 converts the audio signal decoded by the audio signal processor 135 into an analog signal and outputs the analog signal to the mixer 154.

The mixer 154 mixes the output signal of the sound source module 152 and the output signal of the microphone 162 to which the echo light effect is added and outputs the mixed signal to the amplifier 158. In addition, the output signal of the DA converter 156 is mixed with the audio signal of the microphone 162 and output to the amplifier 158.

In summary, in the case of a MIDI file, an audio signal passed through the MIDI sequencer 132 and the sound source module 152 is mixed with an audio signal of a microphone signal and output. In the case of a CDG file, the audio signal processor 135 decodes the audio signal. After converting the signal into an analog signal, the mixer 154 mixes and outputs the audio signal of the microphone. In addition, the VCD, DVD, and LD files have the same path as the audio signal reproduction path of the CDG file except that the audio signal is input to the audio signal processor 135 after passing through the video signal processor 130 first.

As shown in FIG. 4, the video reproducing unit includes an image signal processing unit 125, a moving image signal processing unit 130, and an overlapping unit 153. The video signal processor 130 is the same as the video signal processor 130 of FIGS. 1 and 3.

The image signal processor 125 decodes image signals of MIDI files and CDG files.

The video signal processor 130 is for decoding video signals of VCD, DVD, and LD files.

The overlapper 153 outputs an image signal of the image signal processor 125 or a video signal of the video signal processor 130 as it is, or overlaps with an embedded or input image source 159. The overlapper 153 may be a component of the audio / video signal input / output unit 155 of FIG. 1.

The playback operation by type is as follows.

That is, in the case of MIDI and CDG files, the image signal processing unit 125 outputs to the external display device through subtitle processing and lyrics synchronization according to the font 126. In this case, since there is no background image in the case of the MIDI file, the image source 159 and the image signal (the lyrics, etc.) of the MIDI file which are embedded or input through the DVD loader (150 in FIG. ) To be nested and output. In the case of the CDG file, since the image is already provided in the file, the user can select whether to play the image or the image source 159.

In the case of the VCD, DVD, and LD files, the signal decoded by the video signal processor 130 is output to the external display device through the overlapper 153. In the case of the VCD, DVD, and LD files, since the background image is provided in each file, it is not necessary to overlap the image source 159 in the overlapping device. Therefore, the superimposing unit 153 outputs the VCD, DVD, and LD files directly without any further processing. In this case, a function of selecting from the background of the image source 159 and the background of its own file may be added through the background selection.

As described above, according to the present invention, based on the memory half-period of the memory type, a video song half-period having a structure capable of storing and reproducing not only a MIDI file but also a CDG, VCD, DVD, and LD file becomes possible. In the case of the CDG, VCD, DVD, and LD files, only files of songs desired by the user may be stored. In addition, since the user can use the accompaniment source of the song already possessed, there is an advantage of low maintenance costs, such as reducing the cost and copyright fees associated with registering additional songs. In addition, it is possible to search for a song at high speed, and there is an advantage that it is possible to store and reproduce a large amount of songs. In addition, it is possible to select a background that suits the user's preference. In addition, there is an advantage that the user can utilize various types of media possessed by the user without using only the songs provided by the song half-cycle company.

The description of the above embodiments is merely given by way of example with reference to the drawings for a more thorough understanding of the present invention, and should not be construed as limiting the present invention. In addition, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the basic principles of the present invention.

As described above, according to the present invention, the maintenance cost is lower than that of the conventional song half cycle, the music can be searched at high speed, and there is an advantage that it is possible to store and reproduce a large amount of music. In addition, it can overcome the disadvantage of using only the songs provided by the half-cycle companies and utilize various types of media owned by the user. In addition, it is possible to provide an image even in the case of a file that does not provide image information or an image signal, and it is also possible to select an image background suitable for a user's preference.

Claims (10)

In a video song half-cycle, which allows playback of song data signals in a specific dedicated format: A memory unit providing a storage space for storing the song data signals in the specific dedicated format; If at least one or more data signals selected from among MIDI data signals, CDG data signals, VCD data signals, DVD data signals, and LD data signals are externally provided, they are read out to store song data in the specific dedicated format. A storage unit converting the signals into the signals and storing the signals in real time; And a reproducing unit mixing and reproducing a song data signal selected from song data signals previously stored in the memory unit and song data signals stored in real time through the storage unit, with an audio signal input through a microphone. Video karaoke cycle characterized in that. delete The method of claim 1, wherein the storage unit And a CDG storage unit for CDG data signals, a VCD / DVD storage unit for VCD data signals and DVD data signals, and an LD storage unit for LD data signals. The method of claim 3, wherein the CDG storage unit, A first audio encoder for encoding an audio signal among the input CDG data signals; An image encoder for encoding an image signal among the input CDG data signals; A lyrics converter and a list generator for converting lyrics and generating a song list file among input CDG data signals; And a first synthesizer for synthesizing the output signals of the first audio encoder, the image encoder, and the lyrics converter and the list generator to generate a song data file in a dedicated format. The method of claim 3, wherein the VCD / DVD storage unit, A reader for reading input VCD / DVD data signals; A converter for converting the output signal of the reader into a predetermined video file; A first list generator for generating a music list file recognized automatically or manually through the reader; And a second synthesizer for synthesizing the video file output through the converter and the song list file to generate a song data file in a dedicated format. The method of claim 3, wherein the LD storage unit, A second audio encoder for encoding an audio signal among the input LD data signals; A video encoder for encoding a video signal among the input LD data signals; A file generator for processing the encoded audio and video signals to generate a predetermined video file; A second list generator for generating a music list file for the LD data signal; And a third synthesizer for synthesizing the video file output from the file generator and the song list file to generate a song data file in a dedicated format. The method of claim 1, And the reproduction unit includes an audio reproduction unit and a video reproduction unit. The method of claim 7, wherein the audio playback unit, A MIDI sequencer and sound source module for audio reproduction of a MIDI file; A video signal processor for decoding audio signals of VCD, DVD, and LD files; An audio signal processor for decoding an audio signal of a CDG file and an audio signal output from the video signal processor; A DA converter for analog-converting the digital output signal of the audio signal processor; And a mixer for mixing the output signal of the sound source module and / or the output signal of the DA converter with the audio signal of the microphone and outputting the amplifier to the amplifier. The method of claim 7, wherein the video playback unit, An image signal processor for decoding image signals of MIDI files and CDG files; A video signal processor for decoding video signals of VCD, DVD, and LD files; And an overlapping device for outputting the image signal of the image signal processing unit or the video signal of the video signal processing unit as it is, or overlapping and outputting an embedded or input image source. The method of claim 1, And the video song half-cycle further comprises a DVD loader for input of an image source and input of the song data signals.

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