JP2000132176A - Karaoke singing evaluation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a karaoke singing evaluation device capable of evaluating a karaoke singing every part of a karaoke musical piece and evaluating suitably even when a singer sings with a mimic voice. SOLUTION: When a singing reference signal formation part 16 forms a singing reference signal from the singing voice signal formed on the basis of the actually singing voice of a singer, and outputs it to a signal comparison part 19, the signal comparison part 19 outputs a comparison signal of the singing reference signal with the voice signal of a singer inputted from a microphone 4, and a grading part 20 outputs the grading result of the karaoke singing to a control part 21. A synthesized signal processing part 24 A/D converts the composed signal from a mixer/amplifier part 10 and stores the synthesized signal data in conformation to a partial phrase in a synthesized signal memory part 25.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a karaoke singing evaluation apparatus, and more particularly to a karaoke singing apparatus for evaluating karaoke singing by comparing a singing reference signal of a karaoke song with an input singer's voice signal. It relates to an evaluation device.

[0002]

2. Description of the Related Art Conventionally, in a karaoke system equipped with this kind of karaoke singing evaluation apparatus, a singing reference signal which is a singing reference of a karaoke piece to be played is compared with a singer's voice signal inputted from a microphone. A system for evaluating karaoke singing and displaying the scoring results as digital numbers has already been developed and used in snacks and karaoke boxes.

[0003] Singers who use this karaoke system, because the singing results are displayed as objective numerical values, are not limited to simply singing karaoke, but also have a new purpose of improving their singing ability. You can enjoy karaoke with.

[0004]

However, the conventional karaoke singing and singing evaluation device continuously evaluates the singing of the karaoke music to be played from the beginning to the end and displays the overall evaluation result numerically. Yes, the singer can never know which part of his singing is good or bad, regardless of the evaluation result, and as a result, how to improve his singing ability I didn't know what was good.

Also, since the singing reference signal used in the conventional karaoke singing evaluation device is only the guide melody of the karaoke song, the karaoke singer grasps the characteristics of the singer who is actually singing and sings as a simulated person. Although the evaluation was high, the score of the karaoke singing evaluation device was low, and as a result, the singer had a distrust of the karaoke singing evaluation device itself, and the use thereof tended to decrease.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and the karaoke singing is evaluated for each part of the karaoke tune. It is an object of the present invention to provide a karaoke singing evaluation apparatus capable of performing the following.

[0007]

In order to achieve the above object, a karaoke singing evaluation device according to the present invention compares a singing reference signal of a karaoke song with an input singer's voice signal. A karaoke singing evaluation device for evaluating karaoke singing, comprising a partial evaluation means for evaluating karaoke singing for each part of the karaoke song,
The partial evaluation means evaluates karaoke singing based on a singing reference signal created based on a singer's singing voice.

[0008] According to a second aspect of the present invention, in the karaoke singing evaluation apparatus according to the first aspect, the singing reference signal includes information indicating a partial evaluation range. Features.

[0009]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a block diagram showing a configuration of a karaoke system including a karaoke singing evaluation apparatus according to the present invention, and shows a basic configuration when applied to a communication karaoke. In addition, the karaoke singing evaluation device 1 according to the present invention.
8 is shown in a broken line on the right side of the figure, and the dashed line on the left side is the karaoke apparatus 1.

Reference numeral 17 denotes a host computer which automatically connects to each karaoke apparatus via a telephone line and distributes karaoke music data to the karaoke apparatus 1 and other karaoke apparatuses (not shown).

Reference numeral 7 denotes a system control unit, which is constituted by a microprocessor or the like for controlling the entire karaoke apparatus 1, and controls various input / output devices, manages memory, performs data processing, and the like.

Reference numeral 12 denotes an operation unit, which includes various keys, switches, a remote controller, and the like (not shown) for setting various states of the karaoke apparatus 1.

Reference numeral 13 denotes a display unit, which comprises an LCD, an LED, and the like for displaying information necessary for setting various states of the karaoke apparatus 1 to an operator.

A modem 5 exchanges data with the host computer 17 via an analog communication line such as a telephone line, and converts karaoke music data transmitted from the host computer 17 into a digital signal.

Reference numeral 6 denotes an auxiliary storage device, which is mainly composed of a rewritable storage medium such as a hard disk and a CD-ROM and a read-only storage medium, and includes an operating system (hereinafter referred to as "OS"), various control programs, It stores karaoke music data and font data. The karaoke music data is captured by the modem 5 under the control of the system control unit 7 and stored in the hard disk of the auxiliary storage device 6. Note that the auxiliary storage device 6 may be configured by a read-only storage medium such as a DVD-ROM or a DVD-RAM and a rewritable storage medium.

In a management information storage unit (not shown) of the auxiliary storage device 6, information necessary for managing the stored karaoke music data is stored as a karaoke music management table. , A song number, a song version, a stored date (year, month, day), and information indicating the number of song selections after the storage, and the like. System control unit 7
However, by transmitting the information stored in the management information storage unit to the host computer 17, the information of the karaoke music stored in the karaoke apparatus 1 can be notified.

Usually, the karaoke music data is stored in a compressed state in order to minimize the storage capacity of the auxiliary storage device 6. The karaoke music data is not only taken in at the request of the user of the karaoke apparatus 1, but also by the distributor voluntarily distributing the new music during a time period when the karaoke apparatus 1 is not frequently used, such as at night. It is captured.

Reference numeral 14 denotes a main storage device, which is generally constituted by a rewritable and high-speed accessible storage medium such as a semiconductor memory, and is read from the auxiliary storage device 6 under the control of the system control unit 7. OS, various control programs, karaoke music data in an uncompressed state, font data, and the like.

Reference numeral 15 denotes a music piece information storage unit which is generally constituted by a storage medium such as a semiconductor memory which can be rewritten and accessed at a high speed. Under the control of the system control unit 7, a reservation input from the operation unit 12 is performed. The information which specifies the performed karaoke music is stored.

Reference numeral 2 denotes an external video reproducing apparatus, which is widely used in VTRs, video CD players, LD players,
Recently, MPEG players and DVDs (Digit
The video signal is reproduced and output from video data recorded on a video tape or various discs as a recording medium under the control of the system control unit 7.

Reference numeral 9 denotes a superimpose unit, to which font data and color change information stored in the main storage unit 14 are supplied by the system control unit 7. Further, the superimposing unit 9 adds a background video signal supplied from the external video reproducing device 2 according to an instruction of the system control unit 7,
The lyric image created based on the supplied font data and color change information is synthesized and output to the image display unit 3 described later.

Reference numeral 3 denotes an image display unit, which is a display device capable of simultaneously displaying a plurality of images such as a wide TV and a monitor TV, which have been widely used recently, in a plurality of windows. The video display unit 3 includes a plurality of video display devices 1 to N, and each video display device simultaneously displays a video based on a video signal input from the superimposition unit 9.

Reference numeral 8 denotes a MIDI tone generator, which is supplied with MIDI data in the karaoke music data stored in the main storage unit 14 by the system controller 7;
The I data is output as a performance music signal by the function of the electronic musical instrument.

Reference numeral 10 denotes a mixer / amplifier section, which has an MID
By synthesizing and amplifying the performance music signal output from the I sound source unit 8 and the signal of the singer's singing voice taken in by the microphone 4 and outputting it to the speaker 11, the performance music and the singing voice of the singer are reproduced as audible sounds. I do. Further, the mixer / amplifier unit transmits and receives a synthesized signal (hereinafter, simply referred to as a “synthesized signal”) of the music signal of the performance and the signal of the singer's singing voice with a synthesized signal processing unit described later.

Reference numeral 16 denotes a singing reference signal creating unit,
A singing reference signal, which is a singing reference of a karaoke song, is created from the performance music signal output from the DI sound source unit 8 and output to a signal comparing unit, which will be described later. Is output. The singing reference signal is a singing voice signal created based on a guide melody or a singing voice actually sung by the singer included in the performance music signal, and is a singing reference signal selection switch (not shown) provided in the operation unit 12. By switching, the singer can freely select at will. Also,
Information indicating the range of the partial evaluation is recorded in the singing voice signal. This information indicates a characteristic part of the singer's singing. When the singer sings imitating, the range indicated by this information is weighted and scored.

Reference numeral 19 denotes a signal comparing unit which compares the singing reference signal input from the singing reference signal creating unit 16 with the singer's voice signal input from the microphone 4 and outputs the result.

Reference numeral 20 denotes a scoring unit, which evaluates karaoke singing based on the comparison signal output from the singing reference signal creating unit 16 under the instruction of the control unit described later.

Reference numeral 21 denotes a control unit, which is composed of a microprocessor or the like for controlling the entire karaoke singing and singing evaluation device 18, and controls various input / output devices, manages memory, and processes data.

Reference numeral 22 denotes a score display unit, which includes an LED and an LC.
D and the like, and displays the scoring result output from the control unit 21.

An input unit 23 includes various keys, switches, and a remote controller (not shown) for setting various states of the karaoke singing evaluation device 18.

Reference numeral 24 denotes a synthesized signal processing unit,
Under the instruction of 1, the combined signal received from the mixer / amplifier unit 10 is converted into a digital signal and stored in the combined signal storage unit 25, and the combined signal stored in the combined signal storage unit 25 is converted into an analog signal and the mixer / amplifier unit is converted. Send to 10.

Next, the evaluation operation of the karaoke system provided with the karaoke singing evaluation apparatus according to the present invention configured as described above will be described in detail by dividing into a recording operation and a reproduction operation.

Recording operation: When the operator turns on the power of the karaoke apparatus 1 and the karaoke singing singing evaluation apparatus 18, the system control section 7 automatically stores the O in the auxiliary storage device 6.
After downloading S to the main storage device 14 and performing various initial settings, the system enters the performance standby state and waits for an input from the operation unit 12. After performing various initial settings, the control unit 21 enters a scoring standby state, and waits for input of control signals indicating the start of karaoke scoring and the start and end of karaoke music performance from the singing reference signal creation unit 16.

An operator operates a remote control included in the operation unit 12 while watching information displayed on the display unit 13, and
When a song is selected by inputting the number of the song desired to be played and information on whether or not to perform karaoke scoring, the system controller 7
Stores the input data in the performance information storage 15
To memorize. Normally, the system control section 7 reproduces the performance music in accordance with the registration order of the music number data stored in the performance music information storage section 15, but in order to simplify the description, nothing is registered before the performance music is registered. It is assumed that the karaoke is scored along with the reproduction of the performance music. Further, it is assumed that a singing voice signal created based on the singing voice actually sung by the singer is selected by the singing reference signal selection switch.

The system control unit 7 stores the performance music information storage unit 1
No. 5 is constantly searched, and it is determined whether there is a music piece to be reproduced and whether or not to perform karaoke scoring. In this case, since the music number data to be subjected to karaoke scoring is registered, Then, the operation immediately proceeds to the operation for reproducing the music piece.

The system control section 7 stores the performance music information storage section 1
5 based on the music number data stored in the auxiliary storage device 6
Searches for karaoke music data corresponding to the music number from the karaoke music data stored by, and decompresses the stored karaoke music data into karaoke accompaniment data, lyrics data and back chorus data. Once stored in the auxiliary storage device 6, the main storage device 14
And transfer and store only a part of the data. And
The system control unit 7 downloads the font data required for displaying the lyrics to the main storage device 14 and immediately starts playing the karaoke music.

The system control unit 7 controls the MIDI sound source unit 8 based on the karaoke accompaniment data and the back chorus data when playing a karaoke music piece, thereby reproducing a performance signal necessary for the performance of the music piece. The signal is output to the mixer / amplifier unit 10. Then, the mixer / amplifier unit 10 combines the performance signal and the singer's voice signal input from the microphone 4 and outputs the synthesized signal to the speaker 11 and the synthesized signal processing unit 24, so that the performance music and the singing voice are made audible. Reproduce.

Further, the system control section 7 controls the external video reproducing apparatus 2 based on the genre information in the lyrics display control data to output a background video corresponding to the genre of the music to the superimposing section 9. At the same time, when the lyrics image is output to the superimposing section 9 based on the font index and the color change information in the lyrics display control data, the superimposing section 9 combines the background image and the character image to display the image on the image display device. 3 for playback.

The system control section 7 outputs a control signal to perform karaoke scoring to the singing reference signal creating section 16 and evaluates the singing voice in the karaoke accompaniment data by controlling the MIDI sound source section 8 when karaoke singing is evaluated. The signal (in this case, the guide melody signal is not selected) is output to the singing reference signal creating unit 16.

When the singing reference signal creating section 16 receives the control signal for performing karaoke scoring, the singing reference signal creating section 16 and the signal indicating the start and end of the partial phrase such as the chorus of the karaoke music (hereinafter referred to as “phrase identification”). Signal)) to the control unit 21 and based on the singing signal,
A singing reference signal serving as a singing reference of the karaoke song is created and output to the signal comparing unit 19. The signal comparison unit 19 includes
At the same time, a voice signal of the singer is input from the microphone 4.

When the singing reference signal and the singer's voice signal are input, the signal comparing section 19 outputs a comparison signal of these signals, for example, a difference signal between the singing reference signal and the voice signal to the scoring section 20. .

When the control unit 21 receives the control signal for performing the karaoke scoring and the phrase identification signal, the control unit 21 recognizes the start and end ranges of the karaoke scoring for each partial phrase such as the chorus of the karaoke music, and starts the scoring. A control signal indicating the end of the scoring is output to the scoring unit 20, and a recording start command is output to the composite signal processing unit 24.

When receiving the control signal from the control unit 21, the scoring unit 20 outputs the evaluation result of the karaoke singing to the control unit 21 for each partial phrase based on the comparison signal from the signal comparison unit 19, Temporarily stores the evaluation result of the karaoke singing from the scoring unit 20 in the built-in RAM of the control unit 21, and outputs and displays the score for each partial phrase on the score display unit.

The combined signal processing unit 24 includes a control unit 21
Receives a recording start command from the mixer / amplifier unit 10
The synthesized signal input from the A / D converter is AD-converted and stored in the synthesized signal storage unit 25 as synthesized signal data in association with the partial phrase.

Reproduction operation: After the grading and recording operation for each partial phrase is completed as described above, the operator operates the input unit 23.
Is operated to instruct a desired reproduction operation, the control unit 21
Analyzes the reproduction instruction command and reproduces the specified partial phrase.

For example, when the operator instructs the reproduction of the partial phrase having the highest evaluation, the control section 21 recognizes the highest-evaluated partial phrase from the karaoke song evaluation result temporarily stored in the built-in RAM. And the synthesized signal processing unit 2
A command to reproduce the partial phrase is issued to 4 and the score is displayed on the score display section 22.

When the composite signal processing unit 24 receives the instruction to reproduce the partial phrase, the composite signal data stored in association with the partial phrase is DA-converted and output to the mixer / amplifier unit 10. Is reproduced. However, the reproduction of the partial phrases is performed by operating the input unit 23 by the operator to specify a partial phrase having the lowest evaluation or a desired partial phrase, or to automatically reproduce the highest / lowest phrases before recording. In the mode, immediately after the end of the recording operation, the partial phrases having the highest and lowest evaluations are automatically reproduced together with the display of the evaluation points.

[0049]

As described above, according to the karaoke system provided with the karaoke singing evaluation apparatus according to the present invention, the karaoke singing evaluation is performed for each part of the karaoke song such as the phrase at the beginning of singing and the phrase in the chorus part. To display the evaluation score, and simultaneously play the performance music and the singer's singing voice, so that the singer can understand the quality of his singing for each phrase,
It is possible to improve one's singing ability by practicing the parts with low evaluations.

According to the karaoke system provided with the karaoke singing evaluation apparatus according to the present invention, when the singer sings in an imitation imitating the characteristics of the singer, the singer uses the singing voice actually sung by the singer as a singing reference signal. If a singing voice signal created based on the singing voice is selected, the evaluation itself becomes suitable according to the singing style of the singer.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a karaoke system according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Karaoke apparatus 2 External video reproduction apparatus 3 Video display unit 4 Microphone 5 Modem 6 Auxiliary storage device 7 System control unit 8 MIDI sound source unit 9 Superimpose unit 10 Mixer / amplifier unit 11 Speaker 12 Operation unit 13 Display unit 14 Main storage device 15 Performance music information storage unit 16 Singing reference signal creation unit 17 Host computer 18 Karaoke singing evaluation device 19 Signal comparison unit 20 Scoring unit 21 Control unit 22 Point display unit 23 Input unit 24 Synthetic signal processing unit 25 Synthetic signal storage unit

Claims (2)

[Claims] 1. A karaoke singing evaluation device for evaluating karaoke singing by comparing a singing reference signal of a karaoke tune and an input singer's voice signal, wherein the karaoke singing is evaluated for each part of the karaoke tune. A karaoke singing and singing evaluation device, comprising: partial evaluation means, wherein the partial evaluation means evaluates karaoke singing by a singing reference signal created based on the singer's singing voice. 2. The karaoke singing evaluation apparatus according to claim 1, wherein the singing reference signal includes information indicating a range of partial evaluation.