KR20080016203A - Method for recording karaoke audio - Google Patents

Abstract

A method for recording karaoke audio is provided to execute record and play of karaoke audio normally using a storage of small capacity by searching karaoke disk identification information and audio song identification information stored in the storage, and playing sound data from the storage at the same time as playing karaoke audio song. A microphone sound signal is converted into digital sound data when record is asked(S12). The converted digital sound data, karaoke disk identification information, and audio song identification information are linked and stored in a storage in a device(S13,S14), wherein the storage is at least one of a flash memory, an EEPROM, and a DRAM. The karaoke disk identification information and the audio song identification information are searched, and karaoke audio song and sound data are played, when playing of the recorded karaoke song is asked(S16~S18).

Description

Karaoke audio recording method {Method for recording karaoke audio}

1 illustrates a configuration of a general karaoke audio system,

2 illustrates a configuration of a karaoke audio system to which the present invention is applied.

3 illustrates an embodiment of user song recording data stored in storage according to the present invention;

 4 is a flowchart illustrating an operation of a karaoke audio recording method according to the present invention.

※ Explanation of code for main part of drawing

10: optical disc 11: optical pickup

12: VDP system 13: hard disk

14: HDR system 15: audio signal processing unit

16: video signal processing unit 17: microcomputer

18: OSD generator 19: memory

20: storage

The present invention relates to a karaoke audio recording method. For example, the present invention relates to a karaoke audio recording method for more efficiently performing karaoke audio recording and playback operations in a karaoke system.

Recently, various types of karaoke audio systems have been developed and released and widely used. For example, as shown in FIG. 1, the karaoke audio system includes an optical disc 10, an optical pickup 11, and a VDP (Video Disc). Play (12) system, hard disk 13, HDR (Hard Disc Record) system 14, audio signal processor 15, video signal processor 16, microcomputer 17, OSD generator 18 , And the memory 19 may be included.

On the other hand, in the microcomputer 17, when an arbitrary audio song number recorded on the optical disc 10 such as a karaoke disc is selected and specified by a user's key input, for example, the karaoke corresponding to the audio song number is selected. The VDP system 12 is operatively controlled so that an audio file is retrieved from the optical disc 10 and reproduced and output.

In addition, the audio signal processor 15 processes the audio signal from the karaoke audio data read out and reproduced by the VDP system 12 and the user's voice signal input through the microphone Mic to generate a speaker (not shown). The video signal processor 16 reproduces and outputs video data such as a background screen and a caption image associated with the karaoke audio data.

In the microcomputer 17, when the user requests a karaoke audio recording operation through a key input while performing the above-described karaoke reproducing operation, the microcomputer 17 operates and controls the audio signal processor 15 to perform a microphone. The voice signal input through the user is converted into digital voice data, and the operation of the HDR system 14 is performed to record the voice data on the hard disk 13.

On the other hand, in the HDR system 14, when recording the audio data on the hard disk 13, the karaoke playback video and audio data read out from the optical disk 10 are combined with the audio data into one data file. When the karaoke audio recording song reproduction operation is requested, the karaoke reproduction video, audio data, and audio data recorded in the one data file are read out and reproduced.

However, in the general karaoke audio system, when performing the karaoke audio recording operation as described above, since both karaoke playback video and audio data and user voice data are recorded together, a large capacity recording medium such as a hard disk must be used. However, there is a problem in that the manufacturing cost of the karaoke system is increased and the size is increased.

Accordingly, the present invention was created to solve the above problems, and for example, a small amount of storage such as a flash memory, an EEPROM, or a DRAM in a karaoke system may be used. It is an object of the present invention to provide a karaoke audio recording method for performing karaoke audio recording and playback operations normally.

The karaoke audio recording method according to the present invention for achieving the above object comprises the steps of: converting a microphone voice signal into digital voice data when recording is requested during karaoke audio song playback; And storing the converted digital voice data, the karaoke disc identification information, and the audio song identification information in the storage in the device in association with each other.

The karaoke disc identification information is an ID of a karaoke disc currently being played, the audio song identification information is a number of a karaoke audio song currently being played, and the storage in the device is a flash memory or an epirom ( EEPROM) and at least one of DRAM (DRAM),

The karaoke disc identification information and the audio song identification information are retrieved when the karaoke recording song is requested to be reproduced, the karaoke audio song is reproduced at the same time, and the voice data is reproduced. And if the identification information of the karaoke disc inserted in the device does not match, displaying an error message.

Hereinafter, exemplary embodiments of a karaoke audio recording method according to the present invention will be described in detail with reference to the accompanying drawings.

2 illustrates a configuration of a karaoke audio system to which the present invention is applied. For example, the karaoke audio system includes an optical disc 10, an optical pickup 11, a VDP system 12, and an audio signal processing unit ( 15), a video signal processor 16, a microcomputer 17, an OSD generator 18, a memory 19, a storage 20, and the like.

That is, in the present invention, the large-capacity hard disk 130 and the HDR system 14 described above with reference to FIG. 1 are deleted, and instead, the small-capacity storage 20 such as flash memory, EPI, or DRAM is deleted. Consist of included.

On the other hand, in the microcomputer 17, as described above, when any one audio song number recorded on the optical disc 10 such as a karaoke disc is selected and designated by a user's key input, it corresponds to the audio song number. Operation of the VDP system 12 is performed such that the karaoke audio file is retrieved from the optical disc 10 and reproduced and output.

In addition, the audio signal processor 15 processes an audio signal from karaoke audio data read and reproduced by the VDP system 12 and a user's voice signal input through a microphone Mic, thereby generating a speaker (not shown). The video signal processor 16 reproduces and outputs video data such as a background screen and a caption image associated with the karaoke audio data.

In the microcomputer 17, when the user requests a karaoke audio recording operation through a key input while performing the above-described karaoke reproducing operation, the microcomputer 17 operates and controls the audio signal processor 15 to perform a microphone. The voice signal input through the user is converted into digital voice data, and the voice data is recorded in the storage 20.

In the microcomputer 17, for example, as shown in FIG. 3, the disk ID (Disc ID) of the optical disk 10 currently being reproduced together with the voice data (Voice Data) is stored in the storage. In this case, the karaoke audio song number (Audio Number), etc. currently being played is recorded and managed as one user song record file.

When the microcomputer 17 requests a karaoke audio recording song playback operation by a user's key input, the karaoke disc ID and audio song number are searched for in the user song recording file, and the karaoke recorded on the optical disc. At the same time, the audio data is reproduced and the audio data recorded in the storage is cooperatively reproduced.

4 is a flowchart illustrating an operation of the karaoke audio recording method according to the present invention. For example, in the microcomputer 17, the karaoke audio data recorded on the optical disc 10 according to a user's key input and In operation S10, a series of karaoke reproduction operations for reproducing the video data of the background screen and the caption image are performed.

On the other hand, when performing the karaoke playback operation as described above, when karaoke audio recording is requested (S11), the microcomputer 17, the operation control of the audio signal processor 15, the user of the input via the microphone The analog voice signal is converted into digital voice data (S12).

In addition, the converted voice data is stored and recorded in a small amount of storage 20 such as a flash memory, EPI, DRAM, etc. (S13). In the microcomputer 17, the ID (Disc ID) of the karaoke disc currently being played. And the karaoke audio song number (Audio Number), etc. currently being played back, and together with the voice data, are linked and stored as one user song record file (S14).

Then, in the microcomputer 17, when a karaoke recording song playback operation is requested by the user's key input (S15), the disc ID and the audio song of the recording song in the user song recording file selected by the user. The number is searched for (S16), after checking whether the karaoke disk inserted in the current device matches the disk ID, and selectively playing the karaoke audio song corresponding to the audio song number (S17).

For example, if the disc ID of the karaoke disc inserted in the device does not match the disc ID retrieved from the user song recording file, the OSD generator 18 is controlled to output an error message indicating the fact. Will be displayed.

On the other hand, if the disc ID of the karaoke disc inserted in the device matches the disc ID retrieved from the user song recording file, the karaoke audio song corresponding to the audio song number is selected and reproduced. In operation S18, the audio signal processor 15 is controlled to read and reproduce the voice data stored in the storage 20.

Then, since the user performs any operation requested by the user (S19), the user can simultaneously view the video and audio data read and reproduced on the optical disc and the voice data read and reproduced on the storage, so that the karaoke system has a large capacity. Even without using a hard disk, karaoke audio recording and playback operations can be normally performed using only a small amount of storage.

Or more, preferred embodiments of the present invention described above, for the purpose of illustration, those skilled in the art, within the technical spirit and the technical scope of the present invention disclosed in the appended claims below, to further improve various other embodiments Changes, substitutions or additions will be possible.

In the karaoke audio recording method according to the present invention made as described above, for example, when recording is requested by a user while playing a karaoke disc, the microphone voice signal is converted into digital voice data, and then the converted digital voice data is converted. And the karaoke disc ID and the audio song number in association with storage such as flash memory, EEPROM or DRAM in the device. When a karaoke recording song is requested to be played, the karaoke disc ID and audio song number are searched for, and the corresponding karaoke audio song is played and the voice data is read out and played back from the storage to use a large capacity hard disk in the karaoke system. To record and replay karaoke audio using only a small amount of storage Is able to perform normal operation, would be very useful inventors have manufacturing cost reduction and size reduction of the karaoke system is possible.

Claims (5)

Converting a microphone voice signal into digital voice data when recording is requested during karaoke audio song playback; And And converting the converted digital voice data, the karaoke disc identification information, and the audio song identification information into a storage in the device, and storing the karaoke audio recording information. The method of claim 1, Wherein the karaoke disc identification information is an ID of a karaoke disc currently being played, and the audio song identification information is a number of a karaoke audio song currently being played. The method of claim 1, The storage in the device is at least one of a flash memory, EEPROM, DRAM (DRAM). The method of claim 1, Karaoke audio, characterized in that further comprising the step of retrieving the karaoke disc identification information and the audio song identification information, the playback of the karaoke audio songs, and at the same time the voice data when the karaoke recording song playback request; How to record. The method of claim 4, wherein And displaying an error message if the retrieved karaoke disc identification information and the identification information of the karaoke disc inserted in the device do not match.

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