KR20070089267A - System for recording video/audio signal in optical disc player and method therefor - Google Patents

Abstract

A system and a method for recording a video/audio signal in an optical disc player of a hard disc embedded type are provided to embody a concert function without an additional recording device by recording the audio signal mixed with an accompaniment sound source together with the video signal photographed by an external camera by a simple key input. A DVD(Digital Video Disc) loader(104) reads a DVD in which an accompaniment sound source is recorded. A voice input unit(118) receives a voice of a user. An audio mixing unit(120) mixes the accompaniment sound source read in the DVD loader(104) with the voice of the user received from the voice input unit(118). A video input unit(108) connects to at least one or more external video inputs. If a video/audio recording key signal is received, a control unit(102) records the mixing sound source from the audio mixing unit(120) and the video signal from the video input unit(108) in a hard disc.

Description

System and method for recording video / audio signal in hard disk built-in optical disc player {SYSTEM FOR RECORDING VIDEO / AUDIO SIGNAL IN OPTICAL DISC PLAYER AND METHOD THEREFOR}

1 is a block diagram illustrating a video / audio signal recording system in a hard disc embedded optical disc player according to an embodiment of the present invention;

2 is a flowchart illustrating a video / audio signal recording method in a hard disc embedded optical disc player according to another embodiment of the present invention.

<Explanation of symbols for main parts of the drawings>

100: key input unit 102: control unit

104: DVD Loader 106: Camera

108: video input unit 110: video switching unit

112: sync signal separator 114: hard disk

116: microphone 118: voice input unit

120: audio mixing unit 122: audio switching unit

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hard disc embedded optical disc player control technology, and more particularly, to a video / audio signal recording system and method in a hard disc embedded optical disc player suitable for simultaneously recording a flexible accompaniment function and an accompaniment sound source and an external video signal.

In general, as a device for singing practice, the song half cycle, also known as karaoke, is widely known.

The flexible half cycle includes a system main body, a monitor, and a microphone, and displays a predetermined background image and a subtitle of a song on the screen of the monitor while outputting the accompaniment tune of the song selected by the user.

This flexible half cycle is composed of a wireless microphone transmitter and a receiver, and the configuration thereof will be described in detail as follows.

First, the voice signal spoken by the user is picked up by a microphone and then amplified to a level suitable for processing by an amplifier.

The output signal of the amplifier is modulated at a preset frequency in a modulator and then sent out through a transmitting antenna.

On the other hand, the receiving device in the main body of the flexible half cycle receives the transmitted high frequency signal through the receiving antenna, amplifies the signal to a level suitable for processing through the antenna circuit, and then supplies it to the tuner.

Thereafter, the amplifier is amplified to a level suitable for processing through the tuning process, and then supplied to the tuner, where it is supplied to the detector through the tuned channel to detect the original audio signal. It is amplified to a level suitable for output through an amplifier and output to the outside.

Meanwhile, with the development of electronic technology, a composite product having a storage medium such as a hard disk in a general DVD player, for example, a PVR (Personal Video Recorder), has been released. Various multimedia environments using built-in DVD players are provided, such as home-theater, music accompaniment, and concerts.

However, the conventional music accompaniment (concert) function using a built-in hard disk DVD player uses only a function of mixing and outputting an audio signal input through a microphone to an audio mix circuit when playing an accompaniment sound source, or using another recording device. There is a limitation that you can only record by using. That is, the conventional art is limited to an audio type accompaniment function for mixing a user's voice (singing) with an accompaniment sound source, and has a disadvantage in that an additional recording device must be additionally connected in order to mix video signals together.

This not only causes inconvenience in use, but also creates a problem that the user burden for purchasing additional equipment increases.

The present invention is to overcome the limitations and the problems of the prior art described above, by recording the accompaniment sound source and the mixed audio signal with a video signal photographed from an external camera by a simple key input, the flexible accompaniment without additional recording device It is an object of the present invention to provide a video / audio signal recording system and method in a hard disk built-in optical disk player that can implement a (concert) function.

According to an embodiment of the present invention for achieving the above object, there is provided a recording apparatus of a hard disk-embedded optical disc player, comprising: a DVD loader for reading a DVD recorded with an accompaniment sound source; Audio mixing means for mixing the accompaniment sound source read by the DVD loader and the user's voice input from the voice input means, video input means for connecting at least one or more external video inputs, and a video / audio recording key signal when the A video / audio signal recording system in a hard disc embedded optical disc player comprising a mixing sound source from an audio mixing means and control means for recording a video signal from the video input means to the hard disc.

According to another embodiment for achieving the object of the present invention, a video / audio signal recording method in an optical disc player with a built-in hard disk, if the video / audio recording key signal is applied, the accompaniment sound source from any DVD loaded in the DVD loader Determining whether it is selected, connecting an external video input, determining whether a user's voice is input through an external microphone while reproducing the selected accompaniment sound source when the accompaniment sound source is selected from the DVD; Mixing the accompaniment sound source and the user's voice, which are reproduced and processed by the DVD loader when a voice is input, and recording the mixed sound source and the video signal through the external video input to the hard disk; Video / audio signals from hard disk built-in optical disc player It provides a way lock.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

FIG. 1 is a block diagram illustrating a video / audio signal recording system in a hard disk embedded optical disc player according to an embodiment of the present invention. The key input unit 100, the control unit 102, the DVD loader 104, and the camera ( 106, video input unit 108, video switching unit 110, synchronization signal separation unit 112, hard disk 114, microphone 116, voice input unit 118, audio mixing unit 120, audio switching Part 122 is included.

As shown in FIG. 1, the key input unit 100 is formed in a key matrix manner on a front panel or a remote controller of a built-in hard disc optical disc player to generate a key signal corresponding to a user's key button input action. Act as an accreditation.

The control unit 102 controls overall driving of the hard disk built-in optical disc player according to the key signal from the key input unit 100. In addition, when the music accompaniment (or concert) recording key is input and the accompaniment sound source is selected, the control unit 102 mixes the user's voice with the image signal photographed by the external camera to the hard disk 114. It controls the recording. A detailed control process of the control unit 102 will be described in more detail with reference to the flowchart of FIG. 2.

The DVD loader 104 reads a DVD in which the accompaniment sound source is recorded, and provides the read accompaniment sound source to the audio mixing unit 120.

The video input unit 108 is an input terminal to which an external image signal captured by the camera 106 is input, and serves to provide the captured image signal to the video switching unit 110.

The video switching unit 110 serves to selectively switch an external video signal provided through the video input unit 108 to the hard disk 114 under the control of the controller 102. That is, since the camera 106 as well as other external inputs can be connected to the hard disk built-in optical disc player, the video switching unit 110 outputs the video signal to selectively record only the video signal designated by the user. To switch. If only the camera 106 is connected to the video input unit 108, the video signal captured by the camera 106 is automatically provided to the hard disk 114, and thus the video switching operation as described above may be omitted. have.

The synchronization signal separating unit 112 is a video signal so that the video signal provided through the video input unit 108 and the mixed sound source provided through the audio switching unit 122 to be described later is synchronized to be recorded on the hard disk 114 In this role, the synchronization signal is separated. That is, the control unit 102 determines the synchronization signal of the video signal separated by the synchronization signal separation unit 112, and allows the mixing sound source to be recorded on the hard disk 114 so as to be synchronized with the video signal.

The voice input unit 118 provides a user voice through the microphone 116 to the audio mixing unit 120, and the audio mixing unit 120 accompanies the user voice through the voice input unit 118 and the accompaniment from the DVD loader 104. It serves to mix the sound source for the audio switching unit 122.

The audio switching unit 122 switches the mixing sound source provided from the audio mixing unit 120 under the control of the control unit 102, and the mixed sound source is switched with a video signal through the video switching unit 110 along with a hard disk ( 114).

Hereinafter, the video / audio signal recording process in the hard disk built-in optical disk player according to another embodiment of the present invention will be described in detail with reference to the flowchart of FIG. 2.

As shown in FIG. 2, in step S200, the controller 102 determines whether a concert (or flexible accompaniment) recording key is input from the key input unit 100, and when a concert recording key (or flexible accompaniment) is input, Proceed to step S202. Such a concert (or music accompaniment) recording key may provide a separate function to any key button provided on the key input unit 100, for example, a numeric key button, or a separate menu bar (manu) on the player's main menu. bar) can be implemented to be selected by a user, which can be easily understood by those skilled in the art.

In step S202, the controller 102 determines whether the accompaniment sound source is selected through the key input unit 100 in any DVD loaded in the DVD loader 104.

Thereafter, the controller 102 determines whether two or more video signals are detected through the video input unit 108 as in step S204, and proceeds to step S206 when two or more video signals are detected. If not, the flow proceeds to step S208.

In step S206, the controller 102 proceeds to the manual recording mode. The manual recording mode selection mode, when a plurality of external inputs are connected to the video input unit 108, displays all connected external input information to the user and induces the user to select one external input. Refers to the mode.

On the other hand, in the case of the automatic selection mode of the recorded image as in step S208, since only one external input is connected to the video input unit 108, that is, as shown in FIG. The video switching unit 110 is controlled so that the video signal captured by the camera 106 can be directly provided to the hard disk 114 without undergoing a user selection process.

At this time, in step S210, the control unit 102 selects a video signal from the video switching unit 110 and records it on the hard disk 114 with reference to the synchronization signal of the video signal separated by the synchronization signal separation unit 112. do. This process is necessary for recording the video signal on the hard disk 114 in synchronization with the mixing sound source as described below.

On the other hand, in steps S212 and S214, the control unit 102 reproduces the accompaniment sound source selected from any DVD loaded in the DVD loader 104, and simultaneously checks whether a user voice is input from the voice input unit 118. To judge.

When the user voice is input, the control unit 102 proceeds to step S216 and mixes the accompaniment sound source that is reproduced and processed by the DVD loader 104 and the user voice from the voice input unit 118 through the audio mixing unit 120. Process.

The mixing sound source processed as described above is provided to the audio switching unit 122, and the control unit 102 synchronizes the mixing sound source of the audio switching unit 122 with the video signal of the video switching unit 110 to the hard disk 114. To the final record.

As described above, the present invention records the mixed voice without additional recording equipment by using an internal switch in the built-in optical disc player of the hard disc, and simply records the recording on the hard disc together with a video signal input from an external camera, such as a music accompaniment or concert recording function. Is an implementation of

According to the present invention, by recording the mixed voice without additional recording equipment and recording to the hard disk with an external video signal, it is possible to easily implement the music accompaniment or concert recording function even at a low-cost system specifications, which increases the user satisfaction It works.

As mentioned above, although this invention was demonstrated concretely based on the Example, this invention is not limited to this Example, Of course, various deformation | transformation is possible for it within the technical idea and the scope of the following claim.

Claims (7)

As a recording device of a hard disk built-in optical disk player, A DVD loader for reading a DVD recorded with accompaniment sound; Voice input means into which user voice is input, Audio mixing means for mixing an accompaniment sound source read by the DVD loader and a user voice input from the voice input means; Video input means for connecting at least one external video input; Control means for recording a mixing sound source from the audio mixing means and a video signal from the video input means to the hard disk when a video / audio recording key signal is applied; Video / audio signal recording system in a hard disk built-in optical disk player comprising a. The method of claim 1, The device, Video switching means for allowing a user to selectively store a desired external video input on the hard disk when there are two or more external video inputs connected to the video input means; Synchronizing signal separation means for allowing the mixing sound source and the video signal to be synchronized and recorded on the hard disk Video / audio signal recording system in the hard disk built-in optical disk player further comprising. The method of claim 1, The video / audio recording key signal is a video accompaniment recording key signal. The method of claim 1, The video / audio recording key signal is a concert recording key signal. The video / audio signal recording system of a hard disk built-in optical disc player. A video / audio signal recording method in a hard disk built-in optical disc player, Determining whether an accompaniment sound source is selected from an arbitrary DVD loaded in the DVD loader when a video / audio recording key signal is applied; Connecting an external video input, When the accompaniment sound source is selected in the DVD, determining whether a user voice is input through an external microphone while playing the selected accompaniment sound source; Mixing a user accompaniment sound source and the user voice that is reproduced and processed through the DVD loader when a user voice is input; Recording the mixed sound source and the image signal through the external video input to the hard disk Video / audio signal recording method in a hard disk built-in optical disk player comprising a. The method of claim 5, The method, If two or more video signals are detected through the external video input, displaying all connected external input information to the user and inducing a user to select one of the external inputs; Providing a video signal to the hard disk when one video signal is detected through the external video input; The video / audio signal recording method in the hard disk built-in optical disk player further comprising. The method of claim 5, The recording step, And recording the mixed sound source to be processed on the hard disk in synchronization with the video signal through the external video input.

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