KR20020088232A - combination system for audio dubbing and audio dubbing method using thereof - Google Patents

Abstract

PURPOSE: A combination system capable of dubbing audio and a method for dubbing audio by using the same are provided to output sound close to the original sound of a digital optical recording medium in case that an audio-dubbed magnetic tape is reproduced. CONSTITUTION: A combination system capable of dubbing audio includes a first device(300) reproducing data recorded at a first recording medium, a selecting part(600) selecting and outputting audio signals among signals output from the first device, a second device(100) recording the output of the selecting part at an audio region on a second recording medium, a control part(120) controlling the selecting operation of the selecting part, an audio converting part(150) converting the audio signals output from the selecting part into the audio signals in format recordable at the audio region.

Description

Combination system for audio dubbing and audio dubbing method using same

The present invention relates to a combination system that connects two or more different devices into one system, and an audio dubbing method using the same. More specifically, a combination capable of audio dubbing on magnetic tape by connecting heterogeneous devices to a VCR or a VTR. A system and an audio dubbing method using the same.

Two or more different devices connected to one integrated system are referred to as a 'combination system' or 'combo-system', which is abbreviated as 'combo'. An example of a combo system is a DVDP / VCR combo system developed to perform a combination of a DVDP function and a VCR function.

FIG. 1 is a diagram schematically illustrating such a DVDP / VCR combo system and peripheral devices connected thereto. The DVDP / VCR combo system 10 includes a VCR unit 11 which performs a function of a general VCR such as a function of reproducing images and sounds recorded on magnetic tape and a function of recording an externally received signal on magnetic tape, And a DVDP unit 12 which performs a function of a general DVDP such as a function of reproducing an image and a sound recorded on a digital video disk (DVD). In addition to the independent functions of the VCR unit 11 and the DVDP unit 12, the DVDP / VCR combo system 10 records the images and sounds reproduced by the DVDP unit 12 on the magnetic tape in the VCR unit 11; It has the advantage of being able to perform the same complex function.

The VCR unit 11 and the DVDP unit 12 in the DVDP / VCR combo system 10 are externally present as one system, and the user may use a separate input device such as a remote controller 15 or a DVDP / VCR combo system ( By operating an operation panel (not shown) and the like provided on the front surface of the device 10, mode switching between the VCR unit 11 and the DVDP unit 12 and individual functions of the devices 11 and 12 can be operated.

The DVDP / VCR combo system 10 is connected with a TV 23 as a peripheral device for outputting video and sound reproduced by the DVDP unit 12 or the VCR unit 11 therein, and the DVDP 12 includes: An audio amplifier 21 is connected as a peripheral device for outputting reproduced sound. In addition, an external device 25 such as a camcorder may be connected to the DVDP / VCR combo system 10, and the DVDP / VCR combo system 10 receives video and audio signals from the external device 25 to record / play back. And so on. These images and sounds are recorded on a recording medium inserted into the VCR unit 11 of the DVDP / VCR combo system 10.

On the other hand, the DVDP / VCR combo system 10 is configured to output signals reproduced by the DVDP and VCR through respective output terminals in accordance with the characteristics of each signal. In addition, video and audio signals reproduced by the DVDP unit 12 are simultaneously recorded on the recording medium provided in the VCR unit 11. At this time, the audio signal reproduced by the DVDP unit 12 is a high quality audio signal recorded on an optical recording medium such as a digital video disk (DVD). Therefore, surround sound is output through the plurality of speakers. However, there is a problem in that an audio signal reproduced from a recording medium on which video and audio data is recorded by the DVDP unit 12 cannot be dubbed onto a recording medium inserted into the VCR unit 11.

An object of the present invention for solving the above problems is a DVDP / VCR combo capable of audio dubbing an audio signal reproduced and output from a signal obtained by reproducing data recorded on an optical recording medium using a DVDP unit on a VCR tape. A system and an audio dubbing method using the same are provided.

1 is a schematic block diagram of a DVDP / VCR combination system;

2 is a block diagram showing a combination system capable of audio dubbing according to a preferred embodiment of the present invention;

3 is a view showing an example of a magnetic tape structure;

4 is a plan view illustrating an example in which the magnetic tape of FIG. 3 is inserted into the VCR deck of FIG.

5 is a flowchart illustrating a preferred embodiment of an audio dubbing method using the combination system of the present invention.

Explanation of symbols on the main parts of the drawings

100: VCR unit 120: VCR microcomputer

140: video converter 150: audio converter

160: VCR deck 161, 163, 164: VCR head

162: cylinder 165a, 165b, 165c, 165d: guide

166a, 166b: support part 180: display part

200: key input unit 300: DVDP unit

320: D / A converter 340: DVD main board

360: DVD Servo 380: DVD Deck

400: Tuner 500: External input terminal

600: selection unit 700: output unit

720: video signal output unit 740: sound signal output unit

800: Magnetic tape 810: Video area

820: Audio area 830: Control area

In accordance with another aspect of the present invention, an audio dubbing combination system selects and outputs an audio signal from a first device for reproducing data recorded on a first recording medium and a signal output from the first device. And a second device for recording the output of the selection unit in an audio area on the second recording medium, and a control unit for controlling the selection operation of the selection unit.

The first recording medium is an optical recording medium, and the first device is a DVDP unit capable of reproducing data recorded on the optical recording medium. The second recording medium is a magnetic tape, and the second device is a VCR unit for recording an audio signal on the magnetic tape and reproducing the audio signal recorded on the magnetic tape.

Preferably, the combination system of the present invention further has an audio conversion unit for converting the audio signal output from the selection unit into a format recordable in the audio region on the second recording medium.

On the other hand, in an audio dubbing method using a combination system according to the present invention for achieving the above object, the first device for reproducing the data recorded on the first recording medium, and the first device to reproduce the second recording medium; An audio dubbing method using a combination system having a second device for recording a signal, comprising: a first step of reproducing data recorded on a first recording medium using a first device; selecting an audio signal from the reproduced data And a third step of outputting, and a third step of recording the audio signal in the audio area on the second recording medium by using the second device.

Preferably, the method may further include converting the audio signal into a format recordable in an audio area on the second recording medium after the second step.

According to the present invention, an audio signal close to the original sound recorded on a digital optical recording medium such as a DVD can be dubbed to the audio region of the magnetic tape.

Hereinafter, with reference to the accompanying drawings will be described the present invention in more detail. However, in the description of the present invention, the same reference numerals are used for the same functions as in the prior art.

2 is a block diagram showing a combination system capable of audio dubbing according to a preferred embodiment of the present invention. As shown, the combination system of the present invention has a DVDP unit 300 for reproducing data recorded on an optical recording medium (not shown), and a format capable of recording an input audio signal in an audio area on a VCR tape (not shown). Control unit for controlling the operation of the audio conversion unit 150 and the VCR deck unit 160 for recording the audio conversion unit 150 and the format converted audio signal to the audio area on the VCR tape And a selector 600 for selecting an audio signal from the signal reproduced and output from the DVDP 300 and outputting the audio signal to the audio converter 150.

Here, the recording medium that can be reproduced through the DVDP unit 300 may include a digital vastile disk (DVD), a compact disk (CD), a video compact disk (VCD), and the like. In the present embodiment, a DVD will be described as an example. The DVDP 300 refers to a digital video / versatile disk player (hereinafter referred to as a DVDP) capable of reproducing audio data and video data recorded on a DVD.

On the other hand, such a recording medium can be reproduced according to a high quality video signal and an audio signal close to the original image quality and the original sound used when recording on the recording medium. In particular, when the sound recorded on the recording medium is output through the 5.1-channel audio amplifier 42 by using the DVDP, a six-channel different frequency band outputs a different sound for each channel, thereby providing more vivid sound through the surround stereo sound. To provide sound. According to the present embodiment, such a high quality audio signal can be selected by the selecting unit 600 and recorded in the audio area of the VCR tape.

In addition, the VCR tape refers to a magnetic tape which is an electromagnetic storage medium designed to record and reproduce audio data and video data, and the VCR 100 is a video cassette for recording and reproducing audio data and video data on the VCR tape. A tape recorder (video cassette / tape recorder: hereinafter referred to as a VCR).

Meanwhile, among the video and audio signals reproduced by the DVDP 300 and input to the selector 600, the audio signal is an analog audio signal corresponding to the digital data recorded on the DVD by the DVDP 300.

As shown, the combination system according to the embodiment of the present invention, in addition to the DVDP unit 300, the VCR unit 100, and the selector 600, the tuner unit 400, the external input terminal 500, and the output unit Has 700. The tuner 400 is connected to an antenna for receiving broadcast airwaves, and tunes the airwaves received through the antenna to the selector 600. The external input terminal 500 provides a signal input from the external device 30 such as a camcorder to the selector 600. The external input terminal 500 is configured to be installed on the front and rear of the combination system of the present invention, respectively. When the signal is input from the external device 30 connected to the external input terminal 500, the combination system of the present invention can record the data on the magnetic tape using the VCR unit 100 or reproduce the data through the TV 20. The output unit 700 is selected by the selector 600 from among the signals input to the selector 600 from the VCR unit 100, the DVDP unit 300, the tuner unit 400, and the external input terminal 500. The selected and output signal is provided to a peripheral device such as the TV 20 or the amplifier 40. In addition, the output unit 700 may output an image signal output unit 720 equipped with a video output terminal for providing a video signal output from the selector 600 to the peripheral device, and an audio signal output from the selector 600. An audio signal output unit 740 is provided with an audio output terminal for providing the peripheral device.

Meanwhile, the main components of the VCR unit 100 and the DVDP unit 300 will be described below.

The VCR unit 100 includes a VCR deck 160, a video converter 140, an audio converter 150, and a VCR microcomputer 120. VCR deck 160 has a head (not shown) to take the characteristics of the magnetic material according to the application of the current, and recording the video signal and audio signal on the magnetic tape or the magnetic tape in accordance with the strength of the magnetic force applied to the head The recorded video and audio signals are reproduced. The video converting unit 140 converts the video signal to be recorded through the VCR deck 160 into a recording format, and the video signal reproduced by the VCR deck 160 can be easily recognized by the external device 30. Convert to The audio converting unit 150 converts the audio signal to be recorded through the VCR deck 160 into a recording format, and the audio format reproduced by the VCR deck 160 can be easily recognized by the external device 30. Convert to The VCR microcomputer 120 controls overall operations of the VCR deck 160, the video converter 140, and the audio converter 150, and controls the selection output of the external input signal of the selector 600.

Meanwhile, the VCR unit 100 includes an OSD unit (not shown) and a VCR unit 100 for providing an on-screen display (OSD) function on the output screen between the selector 600 and the output unit 700. It has an RF converter (not shown) for converting the output signal of the signal to the channel corresponding to the TV channel. It is supposed to.

In addition, the VCR unit 100, the key input unit 200 for receiving a variety of operation commands from the user, the operation of the combination system according to the present invention, such as the operation and control and setting mode for displaying to the outside so that the user can know The display unit 180 and a remote control sensor (not shown) for receiving an operation command from a user through a remote controller (not shown) are provided.

The DVDP unit 300 includes a DVD deck 380, a DVD servo 360, a DVD main board 340, a D / A converter 320, and the like. The DVD deck 380 reads data recorded on the DVD to perform a playback operation on the DVD, and the DVD servo 360 performs position control and speed control of the DVD deck 380.

The DVD main board 340 controls the operations of the DVD servo 22 and the DVD deck 380 and is connected to the VCR microcomputer 120 so as to transmit and receive data with each other. The DVD main board 340 receives a signal reproduced by the DVD deck 380 through the DVD servo 360. There are three types of video signals output. That is, the luminance signal (Y) and two color difference signals (P _RY and P _BY) of the composite component (Component) signal, the luminance signal (Y) and two color difference signals (P _RY and P _BY) consisting of a color signal ( It is a super signal composed of C = P _RY + P _BY ) and a composite signal composed of the sum of the luminance signal Y and the color signal C (Y + C). The video signal is output to the selector 600. On the other hand, the output audio signal is output to the D / A converter 320 as a digital signal. The D / A converter 320 converts the digital signal output from the DVD main board 340 into an analog signal, and provides the analog signal to the selector 600.

On the other hand, the selector 600 includes an output video signal from the DVD main board 340, an output audio signal from the D / A converter 320, an output signal from the video converter 140 and the audio converter 150, The input signal from the external input terminal 500 and the broadcast signal from the tuner 400 are input. The selector 600 includes a plurality of multiplexers, and the above signals are input to each multiplexer, respectively. Accordingly, the selector 600 may select a plurality of types of signals from among the input signals and output them to the necessary part in the combination system of the present invention. In the present embodiment, the audio signal is selected from the input video and audio signals and output to the audio converter 150.

According to the present embodiment, a DVD having audio data recorded on the DVD deck 380 of the DVDP unit 300 and a magnetic tape inserted in the VCR deck 160 of the VCR unit 100 are reproduced. If the pause signal and the audio dubbing mode selection signal are input from the key input unit 200, the VCR deck 160 switches to a mode for audio dubbing on the inserted magnetic tape according to the control signal of the VCR microcomputer 120. The input signal is selected from among the signals input to the selecting unit 600 while the audio dubbing mode is switched. In this embodiment, the audio signal input from the DVDP 300 is input. When the re-replay signal for the magnetic tape is paused from the key input unit 200 while the input signal is selected, the VCR microcomputer 120 outputs a control signal for audio dubbing. That is, the VCR microcomputer 120 selects a control signal for outputting a DVD playback command signal to the DVD main board 340 and outputting a signal input from the DVD main board 340 to the audio converter 150. It outputs to the unit 600, and outputs an audio dubbing command signal for recording the input audio signal to the VCR deck (160). In accordance with the control signal, an audio signal input from the DVD main board 340 is recorded in the audio recording area of the magnetic tape inserted into the VCR deck 160.

3 is a diagram showing an example of a magnetic tape used for audio dubbing according to the present embodiment. In the magnetic tape 800 of the drawing, an audio region 820 in which data corresponding to an audio signal input from the audio converter 150 is recorded, and data corresponding to a video signal input from the video converter 140 are recorded. Correlation between the magnetic tape 800 and the head of the VCR deck 160 used for recording / reproducing the magnetic tape 800 in the recording / reproducing of the video area 810 and the magnetic tape 800. And a control area 830 in which control signals necessary for stable reproduction are recorded. Arrows in the figure indicate the driving direction of the magnetic tape 800, wherein the video region 810 is composed of a plurality of video frames inclined at a predetermined angle with respect to the driving direction of the magnetic tape 800. Audio dubbing according to the present exemplary embodiment records audio signals input to the audio area 820 except for the video area 810 and the control area 830.

4 is a plan view illustrating an example in which the magnetic tape of FIG. 3 is inserted into the VCR deck 160 of FIG. 2. When the case 800a covering the magnetic tape 800 is inserted into the VCR deck 160 and a signal corresponding to reproduction and recording is input, the guides 165a, 165b, 165c, and 165d and the support parts 166a and 166b are The magnetic tape 800 is slid so that the magnetic tape 800 contacts the cylinder 162 to which the head for attaching and recording video signals is attached. Arrows in the figure indicate the traveling direction of the magnetic tape 800, the cylinder 162 rotates in the opposite direction with respect to the traveling direction.

Referring to the figure, in addition to the video recording and playback head attached to the cylinder 162, it has a total erase head 161, an audio and control erase head 163, and an audio recording / playback head 164. The entire erasing head 161 removes data recorded in the entire areas 810, 820, and 830 of the magnetic tape 800. The audio and control erase head 163 removes data recorded in the audio area 820 and the control area 830 of the magnetic tape 800. The audio recording / playback head 164 records and reproduces an audio signal in the audio area 820 of the magnetic tape 800.

On the other hand, the guides 165a, 165b, 165c, and 165d supporting the magnetic tape 800 and the supporting portions 166a and 166b are provided with the cylinder 162 and the magnetic tape 800 when the magnetic tape 800 is reproduced and recorded. The magnetic tape 800 is supported to be in close contact with the joining surfaces of the heads 161, 163, and 164. Here, the traveling of the magnetic tape 800 is supported by the support 166a, 166b so that the cylinder 162 with the head travels horizontally with respect to the cylinder 162 designed to be inclined at a predetermined angle with respect to the floor.

5 is a flowchart illustrating a preferred embodiment of an audio dubbing method using the combination system of the present invention. Here, for ease of description, the same reference numerals used in FIG. 2 to FIG. 4 apply to blocks for the same function of the present embodiment.

First, the data recorded on the DVD is reproduced using the DVDP 300 (S10). In this case, the selector 600 outputs an audio signal from the VCR microcomputer 120 to the audio converter 150, from among the signals input from the DVDP 300. The audio signal is selected from the input signal and output to the audio converter 150 (S12). The audio converter 150 converts the input audio signal into a format recordable in the audio region 820 of the magnetic tape 800 and outputs the converted audio signal to the VCR deck 160 (S14). The VCR deck 160 performs an audio dubbing operation for recording the converted audio signal in the audio region 820 of the magnetic tape 800 inserted into the VCR deck 160 (S16).

In the present embodiment, an example of the combination system is described as a dual system in which the VCR unit 100 and the DVDP unit 300 are connected. However, the present embodiment may be equally applicable to a combination system between heterogeneous devices capable of recording and reproducing. will be. In addition, in the present embodiment, the VCR microcomputer 120 is configured to control the operation of the DVDP 300, but the DVDP 300 may be configured to operate the VCR microcom 120. On the other hand, the operation of the VCR unit 100 and the DVDP unit 300 may be set to operate according to each input signal separately.

According to the present invention, an audio signal close to the original sound recorded on a digital optical recording medium such as a DVD, CD, VCD, or the like can be audio-dubbed to an audio region of a magnetic tape. Therefore, when the audio signal recorded on the optical recording medium reproduces the audio-dubbed magnetic tape, it is possible to output sound close to the original sound output during the audio reproduction of the optical recording medium.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

Claims (8)

A first device for reproducing data recorded on the first recording medium; A selector which selects and outputs an audio signal from a signal output from the first device; A second device for recording the output of the selection unit in an audio area on a second recording medium; And And a control unit for controlling a selection operation of the selection unit. The method of claim 1, The first recording medium is an optical recording medium, And the first device is a DVDP unit for reproducing the data recorded on the optical recording medium. The method of claim 1, The second recording medium is a magnetic tape, And the second device is a VCR unit capable of recording the audio signal on the magnetic tape and reproducing the audio signal recorded on the magnetic tape. The method of claim 1, And an audio conversion unit for converting the audio signal output from the selection unit into a format recordable in the audio region on the second recording medium. An audio dubbing method comprising a combination system having a first device for reproducing data recorded on a first recording medium, and a second device for recording a signal reproduced by the first device on a second recording medium. A first step of reproducing data recorded on a first recording medium by using the first device; Selecting and outputting an audio signal from the reproduced data; And a third step of recording the audio signal in an audio area on the second recording medium by using the second device. The method of claim 5, The first recording medium is an optical recording medium, And the first device is a DVDP unit capable of reproducing the data recorded on the optical recording medium. The method of claim 5, The second recording medium is a magnetic tape, And the second device is a VCR unit capable of recording the audio signal on the magnetic tape and reproducing the audio signal recorded on the magnetic tape. The method of claim 5, And after the second step, converting the audio signal into a format recordable in the audio area on the second recording medium.