JPH075888A - Equipment for sing to recorded instrumental accompaniment - Google Patents

Abstract

PURPOSE: To provide a KARAOKE (recorded accompaniment) sing-along machine where the performance speed and the key are automatically adapted to the singing speed and the key of a singer, respectively. CONSTITUTION: The KAEAOKE sing-along machine provided with a music selection input means, a storage means for performance sound data of performance sounds and lyrics data, a control means which controls the storage means, and mixers 5 and 8 which mix and output the performance sound signal restored from performance sound data and the singing sound signal of the singer is provided with a performance sound and lyrics reproducing means 26 which takes performance sound data and lyrics data of a selected music as the input from the storage means to restore them and outputs the performance sound signal to mixers, a performance sound key control means 12 which controls the performance sound and lyrics reproducing means so that the key of reproduced performance sounds coincides with the key of singing sounds of the singer, and a performance speed control means 13 which controls the performance sound and lyrics reproducing means so that the performance speed of reproduced performance sounds coincide with the singing speed of the singer.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a karaoke device,
In particular, the present invention relates to a karaoke device capable of automatically converting the progress speed of a performance sound and the state of a key so as to suit a singer.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 1, a karaoke apparatus with a video image is stored in a ROM (3) from a control section (2) if a singer selects a song through a song selection key input section (1). The generated performance sound data and lyrics data are output and transferred to the performance sound and lyrics reproduction unit (4), and the lyrics signal and the video reproduction unit (6) of the performance sound and lyrics reproduction unit (4) are output from the mixer unit (5). ) Was combined with the video signal of) and displayed on the monitor (7).

In the mixer section (8), the performance sound signal restored from the performance sound data in the performance and lyrics reproduction section (4) and the voice signal of the singer are synthesized and output through the speaker (9). did.

[0004]

However, since the karaoke machine of the prior art is designed to output a performance sound having a predetermined performance speed and key regardless of the singer's singing speed and key. The singing speed and the key of the singer do not match the playing speed and the key of the karaoke machine.

Further, in the case where the singer adjusts the performance speed and the key by using the external buttons, there is a problem that it is difficult to match the performance speed or the key of the karaoke apparatus to the singer's own performance speed or the key. It was

It is an object of the present invention to provide a karaoke device in which the performance speed and keys of the karaoke device are automatically adjusted to the singing speed and keys of the singer.

[0007]

In order to achieve the above-mentioned object, according to the present invention, a song selection input means for a singer to choose a song, a performance sound data and a lyrics data RO are stored.
M, control means for controlling the ROM so as to output the performance sound and the lyrics data selected by the music selection input means,
In a karaoke device equipped with a mixer that mixes and outputs a performance sound signal restored from performance sound data and a singer's singing sound signal, after receiving performance sound data and lyrics data from the ROM and restoring it, A playing sound and a lyrics reproducing means for outputting a playing sound signal to the mixer, a playing sound key of the playing sound and the lyrics playing means is detected so that the playing sound key can be played so as to match the singing sound key of the singer. Performance sound key control means for controlling the performance sound key of the performance sound and lyrics reproduction means, the performance speed of the performance sound and lyrics reproduction means is detected, and the performance speed is reproduced so as to match the singing speed of the singer. In order to be able to perform, the performance speed control means for controlling the performance speed of the performance sound and the lyrics reproduction means is provided.

[0008]

FIG. 2 is a block diagram showing an embodiment of the present invention. A performance sound and lyrics reproduction section (26) for receiving performance sound data and lyrics data from a ROM (3) and restoring them, a performance sound and lyrics. The performance sound and lyrics reproduction section (26) is arranged so that the performance sound key of the reproduction section (26) can be detected and the performance sound and the lyrics reproduction section (26) can reproduce the performance sound so as to match the song sound key of the singer. The performance sound key control unit (12) for controlling the performance sound key of (26), and the performance speed of the performance sound and lyrics reproduction unit (26) are detected, and the performance sound and lyrics reproduction unit (26) determines the singing speed of the singer. A performance speed control section (13) for controlling the performance speed of the performance sound and the lyrics reproduction section (26) so that the performance sound can be reproduced in accordance with

A performance sound key control unit (12) detects a sound key detection unit (21) for detecting a singer sound key of a singer, and a performance sound key detection unit for detecting a performance sound key of a performance sound and lyrics reproduction unit (26). Section (22), a singing sound key of the voice key detecting section (21) and a playing sound key of the playing sound key detecting section (22) are compared, and a key comparison is performed to output an error between the singing sound key and the playing sound key. Bowl (23),
A differentiator (24) for differentiating and outputting the error value between the singing sound key and the performance sound key output from the key comparator (23), and an error value between the singing sound key and the performance sound key and its differential value. A key control artificially controlling the performance sound key of the performance sound and lyrics reproduction section (26) so that the performance sound key of the singer can be matched with the performance sound key of the singer. It consists of an intelligence department (25). Performance speed controller (13)
Is a voice speed detection unit (3 that detects the singing speed of the singer.
1), a performance speed detection unit (32) that detects the performance speed of the performance sound and lyrics reproduction unit (26), a singing speed of the voice speed detection unit (31) and a performance speed of the performance speed detection unit (32) are compared. And a speed comparator (3 that outputs the error between the singing speed and the playing speed)
3), according to a differentiator (34) that differentiates and outputs an error value between the singing speed and the playing speed output from the speed comparator (33), and an error value between the singing speed and the playing speed and its differential difference From the speed control artificial intelligence section (35), which controls the performance speed of the performance sound and lyrics reproduction section (26) to match the performance speed of the performance sound and lyrics reproduction section (26) with the singing speed of the singer. Composed.

The operation of the present invention having the above configuration will be described.

When the singer selects a song through the song selection key input section (1), the control section (2) reproduces the performance sound and the lyrics data of the music stored in the ROM (3) in advance in the performance sound and the lyrics reproduction. Output to the mixer section (26) to output the performance sound and lyrics reproduction section (26) for reproducing the performance sound and lyrics to the mixer section (8), and the mixer section (8) outputs the voice signal of the singer. And the performance sound are mixed and output to the speaker (9) for reproduction. At this time, the performance sound and the performance sound restored by the lyrics reproduction section (26) are reproduced as a predetermined performance sound key and reproduction speed.

The performance sound key detection section (22) detects the performance sound key restored by the performance sound and lyrics reproduction section (26), and the voice key detection section (21) detects the singing sound key of the singer. , And apply those signals to the key comparator (23). The key comparator (28) compares the singing sound key and the performance sound key and outputs only the key error.

Next, the differentiator (24) differentiates the error between the singing sound key and the performance sound key, and outputs the rate of change of the key error to the key control artificial intelligence section (25). twenty five)
Is an input of the error value between the singing sound key and the performance sound key and the rate of change of the key error, and by changing the performance sound key of the performance sound and the lyrics reproducing section (26) based on them,
The performance sound key reproduced from the performance sound and lyrics reproduction section (26) is made to coincide with the singer sound key of the singer.

The playing speed controller (13) also operates in a similar fashion. The performance speed detector (32) and the voice speed detector (31) detect the speed of the performance sound and the singing speed of the singer, respectively, and apply them to the speed comparator (33). Output only the error between
The rate of change of the speed error is output from the differentiator (34) and is input to the speed control artificial intelligence unit. The speed control artificial intelligence section (35) changes the performance speed of the performance sound and the lyrics reproduction section (26) based on the error value between the singing speed and the performance speed and the rate of change of the error, thereby performing the performance sound and the lyrics. Playing part (26)
The speed of the performance sound that is restored and played back at is matched with the singing speed of the singer.

FIG. 3 is a membership function (FIG. 3 (a)) and a linguistic control rule (FIG. 3) for each control variable of the key control artificial intelligence unit (25) and the speed control artificial intelligence unit (35). (b)) is shown. As shown in FIG. 3, the speed or key of the performance sound input to the comparators (23) and (33) is compared with the singing speed or key of the singer, and the speed or key of the performance sound is used as a reference. Z0 if there is no error with respect to the singing speed of the singer or the key, NS if a small error occurs on the negative side, NB if a large error occurs on the negative side, or N if an intermediate error between NS and NB occurs.
Language variables are defined in M and PS when a small error occurs on the plus side, PB when a large error occurs on the plus side, and PM when an intermediate error between PS and PB occurs. If the change rate of the singer's singing speed or the error with respect to the key based on the key is 0, it is Z0, if it is small on the negative side, it is NS, if it is large on the negative side, it is NB, and it is an intermediate change rate between NS and NB. If it is small on the positive side, it is PS, if it is large on the positive side, it is PB, and if it is an intermediate change rate between PS and PB, it is PM.
In addition, each language variable is defined, and as shown in FIG. 3 (b), an output according to the linguistic control rule is generated from the key control artificial intelligence unit (25) and the speed control artificial intelligence unit (35). By controlling the performance sound and lyrics reproduction unit (26), the performance sound and lyrics reproduction unit (26) restores a performance sound key and a performance sound having a performance speed key that matches the song speed key of the singer. Then, it will be reproduced.

In other words, if the singing voice key of the singer is slightly low (NS) with respect to the performance tone key and the rate of change is NS, the key control artificial intelligence section (25) is controlled by the linguistic control rule. Control the performance sound and lyrics playback section (2
If the performance sound key of 6) is lowered to an intermediate level (NM) and the singer's singing speed is fast (PM) based on the playing speed, and the rate of change to this is PS, the speed control artificial intelligence unit (35) By controlling the performance sound and the lyrics playback section (26) to be very fast (PB),
The performance sound should be generated according to the singing voice key or the singing speed of the singer.

At this time, a neural network or a fuzzy system is used for the key control artificial intelligence unit (25) and the speed control artificial intelligence unit (35).

[0018]

As described above, according to the present invention, in the karaoke apparatus with video, the performance sound data and the lyrics data are input from the storage means for storing the performance sound data and the lyrics data, and these are restored. Performance sound and lyrics reproducing means for outputting the performance sound signal restored from the performance sound data to the mixer, and the performance sound so that the performance sound key of the performance sound to be reproduced matches the singing sound key of the singer. And a performance sound key control means for controlling the lyrics reproduction means, and a performance speed control means for controlling the performance sounds and the lyrics reproduction means such that the performance speed of the reproduced performance sound matches the singing speed of the singer. , Are provided. Therefore, when the singer sings a song along with the performance sound of the orchestra, the performance sound speed or key of the karaoke device with video is set so that the orchestra performs according to the singing sound key or the singing speed of the singer. Or automatically adjusted to fit the key.

[Brief description of drawings]

FIG. 1 is a block diagram showing a conventional karaoke machine with video.

FIG. 2 is a block diagram showing an embodiment of the present invention.

FIG. 3 is a diagram of membership functions and language control rules applied to the present invention.

[Explanation of symbols]

 1 Music selection key input section 2 Control section 3 ROM 4, 26 Performance sound and lyrics reproduction section 5, 8 Mixer section 6 Video reproduction section 7 Monitor 12 Performance sound key control section 13 Performance speed control section 21 Voice key detection section 22 Performance sound key Detection unit 23 Key comparator 24, 34 Differentiator 25 Key control artificial intelligence unit 31 Voice speed detection unit 32 Playing speed detection unit 33 Speed comparator 35 Speed control artificial intelligence unit

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor, Lee Yi-sang, 149-10, Songpa-Fun Cave, Seoul, Republic of Korea 172-10 (72) Inventor, An Chang Hyun, Huayi-dong, Anyang, Gyeonggi-do, Republic of Korea 710- 2003 (72) Inventor Lee Sung Pil 568-283, South Korea 1-dong, Yongsan-gu, Seoul, Republic of Korea

Claims (3)

[Claims] 1. A music selection input means for selecting music, a storage means in which performance sound data and lyrics data of a performance sound is stored, and the storage means is controlled so as to output performance sound data and lyrics data of the selected music. A karaoke device comprising a control means for mixing and a mixer for mixing and outputting a performance sound signal restored from the performance sound data and a singer's singing sound signal, and inputting the performance sound data and the lyrics data from the storage means. Then, these are restored and the performance sound and lyrics reproducing means for outputting the performance sound signal restored from the performance sound data to the mixer, and the performance sound key of the performance sound to be reproduced is the singing sound of the singer. Performance sound key control means for controlling the performance sound and lyrics reproduction means so as to match the key, and the performance speed of the performance sound reproduced is matched with the singing speed of the singer. And a performance speed control means for controlling the performance sound and lyrics reproduction means. 2. The playing sound key control means, a voice key detecting means for detecting a singing sound key of the singer, a playing sound key detecting means for detecting a playing sound key of the playing sound and lyrics reproducing section, Key comparison means for detecting and outputting an error between the singing sound key and the performance sound key of the singer, and a change rate by differentiating the error value between the singing sound key and the performance sound key output from the key comparison means. A differentiating means for outputting, and a performance sound key of the performance sound and the lyrics reproduction section by analyzing an error value between the singing sound key and the performance sound key and a rate of change thereof.
The karaoke apparatus according to claim 1, further comprising: an artificial intelligence unit that adjusts to match a singing sound key of the singer. 3. The playing speed control unit, a voice speed detecting unit for detecting a singing speed of the singer, a playing speed detecting unit for detecting a playing speed of the playing sound and the lyrics playing unit, and a playing speed of the singer. Speed comparing means for detecting and outputting an error between the singing speed and the playing speed; differentiating means for differentiating the error between the singing speed and the playing speed output from the speed comparing means and outputting a rate of change thereof, An artificial intelligence means for analyzing the error value between the singing speed and the playing speed and the rate of change thereof to adjust the playing speed of the playing sound and the lyrics reproducing section so as to match the singing speed of the singer,
The karaoke apparatus according to claim 1, further comprising: