KR970005029B1 - Cd accompaniment device - Google Patents

Abstract

A CD song accompaniment system is disclosed. The CD song accompaniment system comprise an audio deck(A) for playing an audio signal; a video deck(B) for playing a video signal; and a song accompaniment processing unit(C) for playing the audio signal and a caption of a song words using a MIDI data CD and outputting the video signal adapted to the atmosphere of the song.

Description

CD song accompaniment

1 is an audio deck control block diagram of a conventional CD song accompaniment device.

2 is a video deck control block diagram of a conventional CD song accompaniment device.

3 is a block diagram of a CD song accommodating device having an audio deck portion and an image deck portion integrated therein.

Figure 4 is a detailed view showing the deck structure of the CD song accompaniment device of the present invention.

* Explanation of symbols for main parts of the drawings

37: key input unit 38: central control unit

39: audio / subtitle data processing unit 41: sound source IC

42: subtitle superimposition control unit 45: first selection unit

46: encoder portion 47: second selection portion

48: D / A conversion unit 49: amplification unit

The present invention integrates an audio deck unit and an image deck unit capable of reproducing an audio signal recorded on a CD as a MIDI file and dividing the video signal recorded on the image CD into a plurality of genres according to the atmosphere. CD (CD) song accompaniment device.

In the conventional CD song accompaniment apparatus, a deck unit for reproducing an audio signal and an image signal is provided separately. First, an audio CD deck unit for reproducing an audio signal is shown in FIG. An audio CD driver 2 for rotating (1), a power amplifier 3 for supplying electric power to drive the audio CD driver 2, a servo amplifier 4 for amplifying and outputting a servo signal, and amplification A transfer motor 5 for transferring the pickup 6 by the output servo signal, a pickup 6 for reproducing the audio signal recorded on the audio CD 1, and an audio signal reproduced by the pickup 6; An analog signal processing (ASP) unit 7 for converting and outputting an analog signal, and a DSP for converting and outputting an audio signal converted and output from the ASP unit 7 by a control signal of the CD controller 9; (Digital Signal Process) section 8, DSP section 8 and ASP section ( 7) a CD control unit 9 for controlling, a D / A converter 10 for converting and outputting a digital signal output from the DSP unit 8 into an analog signal, and an output from the D / A converter 10. It consists of an amplifier section 11 for amplifying and outputting the analog audio signal.

On the other hand, the video deck for reproducing the video signal supplies the video and audio CD drive unit 2A for rotating the video and audio CD 1A on which the video and audio signals are recorded, as shown in FIG. A power amplifier 3A, a servo amplifier 4A for amplifying and outputting a servo signal, a transfer motor 5A for transferring a pickup 6A by the amplified output servo signal, and the video and audio CD. The pickup 6A for reproducing the video and audio signals recorded in 1A, the ASP unit 7A for converting and outputting the video and audio signals reproduced in the pickup 6A to analog signals, and the CD controller 9A. A DSP unit 8A which reads the analog audio signal converted and output from the ASP unit 7A by a control signal and converts it into a digital signal; and a CD controller which controls the DSP unit 8A and the ASP unit 7A ( 9A) and a decoder for decoding and separating the video and audio signals converted and output from the DSP unit 8A. The audio unit separated from the decoder unit 12 by the coder unit 12, the memory unit 13 storing the video and audio signals separated by the decoder unit 12, and the control signal of the central controller 14 An audio MPEG unit 15 for decoding and restoring the original audio data; an SRAM 16 for storing the original audio data restored in the audio MPET unit 15; A D / A converter 17 for converting and outputting an audio signal into an analog signal, a video MPEG unit 18 for decoding the video signal separated by the decoder 12 and restoring the original video data; DRAM 19 for storing the original image data reconstructed and output by the unit 18, and a D / A conversion unit for converting and outputting the digital signal reconstructed to the original image data in the image MPEG unit 18 into an analog signal. 20 and a video analog signal output from the D / A converter 20 is input. And the OSC unit 21 for outputting an image signal by the control signal of the central control unit 14, is configured as a central controller 14 for controlling the central leg.

In the conventional CD song accompaniment device configured as described above, as shown in FIG. 1, when the user first supplies power to the audio CD drive unit 2 through the power amplifier 3 to sing a song, an audio CD on which an audio signal is recorded. At the same time as (1) rotates, the transfer motor 5 transfers the pickup 6 to reproduce the audio signal recorded on the audio CD 1.

The ASP unit 7 processes and outputs the audio signal reproduced by the pickup 6 in accordance with the control signal of the CD control unit 9.

At this time, if the DSP unit 8 reads the signal output from the ASP unit 7 by the CD controller 9 and converts the signal into a digital signal, the D / A converter 10 converts it into an analog signal and converts it into an amplification unit ( 11), the audio signal recorded on the audio CD 1 is amplified and output.

On the other hand, when the user sings, the image and audio CD driving unit outputs the power amplified and output from the power amplifier 3A so that the image and audio CD 1A recorded with the video and audio signals are rotated so that the image corresponding to the song atmosphere is output. When supplied to 2A, the video and audio CD 1A is rotated and at the same time the pickup 6A is transferred by the transfer motor 5A to reproduce the video and audio signals recorded on the video and audio CD 1A. Let's do it.

The ASP unit 7A processes and outputs the video and audio signals reproduced by the pickup 6A according to the control signal of the CD control unit 9A, and the DSP unit 8A reads the signals output from the ASP unit 7A. To convert the digital signal into output.

At this time, the decoder 12 decodes and decodes the video and audio signals converted and output from the DSP unit 8A by the control signal of the central controller 14, stores them in the memory unit 13, and at the same time, the central controller 14 The audio signal separated by the control signal is transmitted to the audio MPEG unit 15, restored to the original audio data, stored in the SRAM 16, and the digital audio signal is converted into an analog signal through the D / A converter 17. Convert the output.

The video signal separated by the decoder 12 is transferred to the video MPEG unit 18 by the control signal of the central controller 14 and restored to the original video data and stored in the DRAM 19.

The video data reconstructed and output from the video MPEG unit 18 is converted into an analog video signal through the D / A converter 20 and is outputted through the OSC unit 21 by the control signal of the central controller 14. This output allows the user to play a video that matches the song's mood when singing.

However, the conventional CD song accompaniment device simply outputs only audio and sings a song, and when a video is output when singing, the song that the user wants to sing is limited to the video and audio CD. When a user selects a desired song, the user has to check it and replace the video and audio CD each time.

The present invention provides an audio deck unit for reproducing an audio signal recorded on a CD as a MIDI file and a video signal recorded on a video CD divided into a plurality of genres according to the atmosphere. The purpose is to provide an image deck unit integrally so that the image is played when the user sings the song, the configuration and operation effects of the present invention by the accompanying drawings as follows.

First, the CD song accommodating device of the present invention is integrally provided with an audio deck portion A for reproducing an audio signal and a video deck portion B for reproducing an image signal, as shown in FIGS. And an accompaniment processing unit C for processing the signal reproduced by the audio deck unit A and the image deck unit B.

The audio deck unit A includes an audio CD driver 22 for rotating the audio CD 21 on which an audio signal is recorded, a first power amplifier 23 for supplying power to the audio CD driver 22, and The first servo amplifier 24 for amplifying and outputting the servo signal, the first transfer motor 25 for transferring the first pickup 26 by the amplified output servo signal, and the audio CD 21 are recorded. A first pickup 26 for reproducing an audio signal, a first ASP unit 27 for converting and outputting an audio signal reproduced in the first pickup 26 into an analog signal, and a first output unit 26 for converting and outputting an audio signal; A first DSP unit 28 which reads a signal and converts the signal into a digital signal, and a CD controller 29 which controls the first ASP unit 27 and the first DSP unit 28 are provided.

The video deck unit B includes a video and audio CD driver 22A for rotating the video and audio CD 21A on which video and audio signals are recorded, and a second power supply to the video and audio CD driver 22A. A power amplifier 23A, a second servo amplifier 24A for amplifying and outputting a servo signal, a second transfer motor 25A for transferring a second pickup 26A by the amplified output servo signal, A second pickup 26A for reproducing signals recorded on the video and audio CD 21A, a second ASP unit 27A for converting and outputting signals reproduced and output in the second pickup 26A into analog signals, and A second DSP unit 28A which reads the signal output from the 2ASP unit 27A and converts it into a digital signal; and a CD controller 29 which controls the second ASP unit 27A and the second DSP unit 28A; A decoder unit 30 for decoding and separating the video and audio digital signal converted and output from the second DSP unit 28A, the video separated in the decoder unit 30, and A memory unit 31 storing an audio signal, an audio MPEG unit 32 which decodes the audio signal separated by the decoder unit 30 and restores the original audio data; and an audio MPEG unit 32 restored. The SRAM 33 for storing audio data, the video MPEG unit 34 which decodes the video signal separated by the decore unit 30 and restores the original video data, and the video MPEG unit 34 restores and outputs the original video data. DRAM 35 for storing the original video data, and D / A converter 36 for converting and outputting the original digital video data restored by the video MPEG section 34 into an analog signal.

The song accommodating unit C includes a key input unit 37 for selecting a song song desired by the user, and a central control unit 38 for centrally controlling the audio deck unit A and the image deck unit B when a key signal is input. And an audio / subtitle data processing unit 39 for separating audio and subtitles among audio signals converted and output from the first DSP unit 28 of the audio deck unit A by the control signal of the central control unit 38, and font data. A storage font 40 storage unit 40, a sound source IC 41 for outputting the accompaniment sound of the audio processed by the audio / subtitle data processing unit 39, and a subtitle separated by the audio / subtitle data processing unit 39 A caption superimposition control section 42 that controls the font ROM 43 to be displayed, a D / A conversion section 44 which converts the digital signal output from the caption superimposition control section 42 into an analog signal; Caption by the control signal of the central control unit 38 The output signal of the D / A converter 44 output from the super-imposition control unit 42 and the output signal of the D / A converter 36 output from the video MPEG unit 34 of the video deck unit B are output. The first deck 45 to select, the encoder 46 for encoding the analog signal selected by the first selector 45 to output the video signal, and the audio deck by the control signal of the central controller 38 A second selection unit for selecting the audio signal output from the unit A, the original audio signal restored from the audio MPEG unit 32 in the video deck unit B, and the vocal accompaniment sound output from the sound source IC 41; 47, a D / A converter 48 for converting and outputting the audio digital signal selected by the second selector 47 into an analog signal, and an amplifier 49 for amplifying the converted analog signal and outputting an audio signal. The reference numeral 50 denotes the mulch chain bottom.

The deck configuration of the present invention configured as described above is a song accompaniment device that can replace five CDs, as shown in FIG. 4, CD No. 1 stores more than 5000 MIDI data, and CD No. 2 is a new song. For MIDI data, CDs 3-5 are exemplified as images that fit the song's atmosphere.

On the CD in which the MIDI data is stored, font data, which is a subtitle for song lyrics, and an absolute time (ΔT) from the beginning of each font are recorded, and MIDI data is continuously recorded at the end of the data. When the user applies power to sing a song, the audio deck unit A first loads a CD storing more than 5000 MIDI data, and the image deck unit B loads one of the CDs 3-5 recorded with video. do.

Then, when the user selects the song song number to play the desired song through the key input unit 37 in the song accompaniment processing unit (C), the central control unit 38 receives the selected number and corresponds to the audio signal for the song song and corresponding thereto. The CD control unit 29 is controlled to output an image signal in accordance with the atmosphere.

Here, the method of recognizing the song atmosphere by outputting a video signal suitable for the mood of the music piece selected is described in the patent application No. 93-3783 of the invention of the song accompaniment device of a CD player having two or more CD playback decks. Application to

That is, a classification code pre-allocated and classified according to the music atmosphere is input to the audio signal to output an image corresponding to the classification code from the image deck unit.

This means that when the CD control unit 29 receives the information data of the corresponding song after the song selection from the audio deck unit A, it is possible to determine which atmosphere (genre) is the classification code. As shown in the figure, CD 3 (3CD; for example, a light sensory image recording CD), CD 4 (4CD; for example, an abusive sensory image recording CD), or CD 5 (5CD; For example, an appropriate image of an appropriate CD is selected and reproduced from an image recording CD of a sense suitable for dance music.

In the case of such an image, information of an image program can be known when the disc 21A is loaded and the pickup 26A is accessed. If the classification is known by the music atmosphere classification of the audio CD 21, the image corresponding to the classification is obtained. You can play it.

Accordingly, the CD control unit 29 controls the first DSP unit 29, the first ASP unit 27, the first pickup 26, and the audio driver 22 in the audio deck unit A by the control signal of the central control unit 38. Control to apply audio data recorded on the audio CD 21 to the audio / subtitle data processing unit 39 in the song accommodating unit C, and simultaneously to the second DSP unit 28A and the second ASP unit in the image deck unit B. 27A, the second pickup 26A, and the video and audio CD drive unit 22A are controlled to read the data recorded on the video and audio CD 21. As shown in FIG.

At this time, the audio / subtitle data processing unit 39 separates the audio signal and the subtitles from the audio data read by the CD control unit 29 according to the control signal of the central control unit 38, and displays the data output before the MIDI data from the beginning. The caption superimposition controller 42 controls the font ROM 43 by storing the data in the storage unit 40 and simultaneously applying the font data of the second measure to the subtitle superposition controller 42. After reading the font stored in, the screen state is modified so that the subtitle is displayed according to the absolute time (ΔT) from the beginning of each font, and the first selection unit 45 is changed through the D / A conversion unit 44. ) Is applied.

Therefore, the first selector 45 is a video signal and subtitle superimposition control unit restored from the video MPEG unit 34 in the video deck unit B by the control signal of the central control unit 38 to the original video data. The subtitle output from 42 is superimposed and applied to the encoder 46 so that the encoder 46 encodes the video subtitle output from the first selector 45 to output an image.

On the other hand, the audio signal separated from the audio / subtitle data processing unit 39 by the control signal of the central control unit 38 is input to the sound source IC 41 to generate an accompaniment sound for the audio signal so as to generate the second selection unit 47. When applied to the second selector 47, whether the current mode is the song accompaniment mode outputted from the sound source IC 42 by the control signal of the central controller 38, or the first DSP unit in the audio deck unit A ( 28, it is determined whether the audio mode is outputted from the audio MPE G unit 32 in the video deck unit (B).

As a result of the determination, if the current mode is the song accompaniment mode, the second selector 47 selects the song accompaniment signal output from the sound source IC 41, and if it is the audio mode, the second selector 47 outputs from the first DSP unit 28 in the audio deck unit A. When the audio signal is selected, the audio signal reconstructed and output by the original audio data is selected by the audio MPEG unit 32 in the video deck unit B in the video audio mode.

The selected audio signal is converted into an analog signal by the D / A converter 48 to amplify and output the audio signal through the amplifier 49.

Then, the video signal reconstructed and output from the video MPEG section 34 in the video deck section B to the original video data is output from the central controller 38 to the CD controller 29 so as to output an image corresponding to the song atmosphere that the user calls. ) To specify the start point of the video playback in the selected atmosphere and output the video signal from the start point.

As described above, an audio deck unit for reproducing an audio signal recorded on a CD as a MIDI file and a video deck unit for reproducing a video signal recorded on a video CD divided into a plurality of genres according to the atmosphere are integrally provided. In order to sing, the song accompaniment processor plays back audio signals and subtitles using CDs stored with MIDI data, and then plays back images corresponding to the song atmosphere.

Claims (2)

An optical disc reproducing apparatus having a drive deck for simultaneously driving two or more optical discs and outputting two signals reproduced in each deck; A first deck unit for reproducing a data signal including an audio signal from an optical disc containing the audio signal; A second deck unit for reproducing the video signal from the optical disc containing the video signal; The music atmosphere type of the music selected by the user is determined from the data signal output from the first deck unit, and information signals of a plurality of video program data are inputted from the data signal output from the second deck unit, thereby Determining the type of atmosphere, the audio and lyrics of the selected song is reproduced and output from the first deck portion, and the song accompaniment is processed so that the second deck portion reproduces and outputs the video program corresponding to the atmosphere of the song. Processing unit; CD (CD) song accompaniment device having two or more optical disk drive deck configured to include. According to claim 1, The song accompaniment processing unit; An audio processor which separates an audio signal and a lyrics caption signal from a data signal reproduced by the first deck and converts the audio signal into an audio frequency signal and outputs the converted audio caption signal into a caption image; A caption processing unit for outputting together with the video signal reproduced by the deck unit, an image processing unit for processing and outputting the subtitle-processed video signal from the data signal reproduced by the second deck unit as a display video signal, and user's selection And a control unit for controlling the reproduction of the first deck unit and the image reproduction of the second deck unit according to the music atmosphere in response to a command.