JPH11175077A - Karaoke device with model vocal singing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a singer to practice singing by listening to a model vocal place and his or her natural voice distinctively while singing. SOLUTION: The KARAOKE device is equipped with a 1st detecting circuit 3 which detects an interval from a microphone voice and outputs a microphone interval signal, a 2nd detecting circuit 4 which detects an interval from the model vocal singing and outputs a vocal interval signal, a comparing circuit 20 which compares those microphone interval signal and vocal interval signal and outputs an interval difference signal, a sound volume control circuit 21 which receives the interval difference signal and outputs a sound volume control signal, a microphone sound volume arithmetic circuit 5 which is provided between a microphone 19 and a mixer 14, and a vocal sound volume arithmetic circuit 6 which is provided between a sample vocal reproducing circuit 8 and the mixer 14. When the interval difference signal is large, the sound volume control circuit 21 outputs a sound volume control signal increasing the sound volume of the vocal singing to the vocal sound volume arithmetic circuit 6 and a sound volume control signal decreasing the sound volume of the microphone voice to the microphone sound volume control circuit 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a karaoke apparatus with sample vocal singing, and more particularly, to a karaoke apparatus having a singing practice support function using sample vocals.

[0002]

2. Description of the Related Art Generally, a karaoke apparatus sings a song.
While listening to the performance with their ears, they sing while watching the lyrics displayed on the screen together with the background image. First, in FIG. 4, the karaoke apparatus 1 includes a volume measuring circuit 23, a sample vocal reproducing circuit 8, an amplifier 13, a switching circuit 24, a separate speaker 18, and a microphone 19.

When the singer H sings into the microphone 19, the singing voice signal is amplified and sent to the volume measuring circuit 23. The sound volume measuring circuit 23 measures the sound volume, and sends a switching signal S to the switching circuit 24 when the sound volume is equal to or smaller than a predetermined decibel value. The switching circuit 24 selects the sample vocal reproduction circuit 8 when the switching signal S is present. The switching circuit 24 outputs a switching signal S
If not, the singer's microphone 19 is selected.

In general, a singer who sings karaoke sings loudly at a place where he is confident in singing, and has a low voice at a place where he is not confident. The model vocal reproduction circuit 8 generates a singing voice of a singer with a good pitch. Therefore, if the volume is louder, the pitch is matched, and the switching circuit 24 switches the microphone 19 sound of the singer to the speaker 18 in that part of the singing.
Output from On the other hand, a small voice considers the pitch to be out of order, and forcibly outputs a song of the model vocal to make it easier for anyone other than the singer to hear.

[0005]

In the conventional karaoke apparatus, it is assumed that if the volume is high, the pitch is matched, and in that part of the singing, the model vocal is erased, the microphone 19 sounds are output from the speaker 18, and the sound is reduced. In the part where the volume of the voice singing is low, the pitch is considered to be out of order, and the song of the model vocal is forcibly output. For this reason, if a person trying to learn a song sings with a loud voice even if the pitch is out of the performance, the sample vocal song is immediately turned off and you can only hear the voice of your crazy pitch, The learning effect was not obtained, which hindered the improvement of singing ability. According to the present invention, during the singing, the user can always hear some vocal songs with accurate pitches so that the user can practice the song smoothly.

[0006]

SUMMARY OF THE INVENTION According to the present invention, there is provided a method for reproducing performance data having a main melody corresponding to lyrics from music data.
A singer who sings lyrics into a microphone according to the IDI sound source and the performance of the main melody, and singing data detected from the microphone voice, and a sample vocal reproduction circuit that generates sample vocal singing data in accordance with the main melody of the music data. And a karaoke apparatus provided with a loudspeaker that outputs a performance tune, a microphone voice, and a model vocal singing based on a music signal from the mixer by mixing the singing data and the performance data with a mixer. A first detection circuit for detecting a pitch from a microphone voice and outputting a microphone pitch signal, a second detection circuit for detecting a pitch from a sample vocal singing and outputting a vocal pitch signal, and a microphone pitch signal and a vocal pitch signal; A comparison circuit that compares the two and outputs a pitch difference signal; a volume control circuit that receives the pitch difference signal and outputs a volume control signal; a microphone volume calculation circuit that is provided between the microphone and the mixer; A vocal volume calculation circuit provided between the reproduction circuit and the mixer; When the pitch difference signal is large, the volume control circuit outputs a volume control signal for increasing the volume of the vocal singing to the vocal volume operation circuit, and a volume control signal for decreasing the volume of the microphone voice to the microphone volume operation circuit. Output. When the pitch difference signal is small, the volume control circuit outputs a volume control signal for decreasing the volume of the vocal singing to the vocal volume operation circuit and a volume control signal for increasing the volume of the microphone voice to the microphone volume operation circuit. Output each,
You can now practice singing.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 The present invention will be described below with reference to the drawings. First, a singing practice device using the karaoke device 1 of the present invention will be described with reference to FIG. The karaoke apparatus 1 includes a communication line 2, a first pitch detecting circuit 3, a second pitch detecting circuit 4, a microphone integrating circuit 5, a vocal integrating circuit 6, a separate remote controller, a separating circuit 12, a sample vocal reproducing circuit 4, Tempo circuit 9, display control circuit 11, amplifier 13, mixer 14, pitch comparison circuit 20, volume multiplier setting circuit 21, and separate speaker 1
8, remote controller, microphone 19, display device C
RT7.

The karaoke data received from the communication line 2 includes video data and music data.
These are separated in step 2. The video data is characters and background images of lyrics, the music data is MIDI data, and the video data is sent to the display control circuit 11 and the display timing is adjusted and displayed on the CRT 7. Separate speakers 18 and C
An existing television or the like is used for the RT 7, and the MIDI data is reproduced by the sound source synthesizer 10 into performance sound data, pitch data, and tempo data of the musical instrument.

The performance sound data from the synthesizer 10 is sent to the mixer 14, the tempo data and the pitch data are sent to the sample vocal reproduction circuit 4, and the tempo data is sent to the tempo circuit 9. The words of the lyrics are also sent to the model vocal reproduction circuit 8. The tempo circuit 9 detects the tempo data of the MIDI data and sends it to the display control circuit 11, and the display control circuit 11 controls the color change of the characters in the video data according to the tempo data. The user's singer sings into the microphone 18 in synchronization with the tempo of the music piece while watching the color change of the lyrics displayed on the screen. The singing signal of the singer H from the microphone 18 is sent to the first pitch detecting circuit 3 for microphone sound and the microphone integrating circuit 5.

The model vocal reproducing circuit 8 inputs the characters of the lyrics and modulates the voice of the standard singer according to the tempo data and the pitch data to generate a singing signal of the model vocal. The singing signal of the example vocals is sent to the second pitch detecting circuit 4 and the vocal integrating circuit 6 for the example vocals. A standard singer is an expert with good voice quality and pitch sense. The first pitch detection circuit 3 of the microphone voice detects a pitch from the singer's singing signal from the microphone 19 and sends it to the pitch comparison circuit 20. Sample vocal second pitch detection circuit 4
Detects a pitch from the singing signal of the sample vocal from the sample vocal reproduction circuit 8 and sends it to the pitch comparison circuit 20.

The pitch comparison circuit 20 compares the pitch of the singer from the microphone 19 with the pitch in the singing signal of the model vocals of the standard singing voice. The pitch is compared for each character of the lyrics corresponding to the melody note of the song, and the pitch difference is based on the pitch in the singing signal of the sample vocal and the difference from the singer's pitch from the microphone 19. Ask for.

Further, the pitch comparison circuit 20 calculates the user's pitch (the singer's pitch from the microphone 19) based on the pitch difference signal.
Is converted into a numerical value in percent of 100%, and the numerical value of the accuracy is sent to the volume multiplier setting circuit 21. The volume multiplier setting circuit 21 sends the numerical value of the accuracy of the user's pitch to the microphone integrating circuit 5 and calculates {100-[% numerical value of the accuracy of the user's pitch]}, Output.

That is, if the accuracy of the user's pitch is 99%, "99" is sent to the microphone integration circuit 5 and the vocal integration circuit 6
"100-99 = 1" is sent to each. Similarly, if 90%, "90" is sent to the microphone integrating circuit 5, "10" is sent to the vocal integrating circuit 6, and if it is 80%, the microphone integrating circuit 5 is sent.
"80" to the vocal integrating circuit 6
%, "70" is sent to the microphone integrating circuit 5, "30" is sent to the vocal integrating circuit 6, and "60" is sent to the microphone integrating circuit 5 if 60%.
0 ”is sent to the vocal integrating circuit 6 and“ 50 ”is sent to the microphone integrating circuit 5 if it is 50%.
If “50” is 40%, go to the microphone integrating circuit 5 if “40”.
"60" to the vocal integrating circuit 6, "30" to the microphone integrating circuit 5 if 30%, and "7" to the vocal integrating circuit 6.
0 is 20%, the microphone integration circuit 5 has "20", the vocal integration circuit 6 has "80", and if it is 10%, the microphone integration circuit 5 has "10", and the vocal integration circuit 6 has "90".
If it is 1%, “1” is sent to the microphone integrating circuit 5 and “99” is sent to the vocal integrating circuit 6, respectively.

In the vocal integrating circuit 6, the input numerical value "
The volume of 1 "or the like is set to 1/100 and the volume W of the singing of the sample vocal is multiplied to calculate a volume of W / 1/100 or the like and sent to the mixer 14. The sample vocal from the mixer 14 as shown in FIG. Microphone integration circuit 5
Then, the input numerical value “99” or the like is set to 99/100, and the singer's volume V from the microphone 19 is multiplied by V · 99/10
The sound volume such as 0 is calculated and sent to the mixer 14. As shown in FIG. 3, the sample vocal output volume from the mixer 14 increases. The performance sound data, the volume of the singer, and the volume of the singing of the example vocals are mixed by the mixer 14, amplified by the amplifier 13, and the performance, the singing, and the example vocals are heard from the speaker 18.

As shown in FIGS. 2 and 3, in a place where the user's pitch is high in accuracy, the model vocal is forcibly suppressed to a small volume "W.1 / 100" from the speaker, and the microphone voice output is performed. The volume becomes "V.99 / 100", the model vocals are inaudible, and almost no microphone 19
Only the singing voice from is heard. As shown in FIGS. 2 and 3, in a place where the accuracy of the user's pitch is low, the model vocals from the speaker have a volume “W · 99/100”.
And the like, and the microphone sound output volume is “V · 1/10
0 "is forcibly suppressed, the singing voice from the microphone 19 becomes inaudible, and almost only the example vocals are heard.

At a place where the pitch difference is 50% and the singing ability of the singer is reasonable, the singing voice and the model vocals are equally mixed and can be heard at V · 50/100 and W · 50/100. If the pitch deviates extremely, you will hear a sample vocal voice so you can see exactly where you are. If you can hear the example vocals, the singer changes the pitch of the pronunciation,
Real-time voice training that strives to hear many self-voices becomes possible.

During singing, the difference between the part where the singer's pitch is uttered correctly and the part where the singer's pitch is uttered incorrectly can be clearly understood. In terms of listening sensation, karaoke singers can provide accurate vocal support, and can smoothly learn songs. The sample vocal reproducing circuit 4 may receive the singing data of the sample vocal of the song from the line 2 for each request. The karaoke apparatus 1 may store karaoke songs in advance, instead of communication karaoke. At this time, the model vocals may reproduce those recorded in advance for each song.

[Brief description of the drawings]

FIG. 1 is an overall block diagram of a karaoke apparatus with sample vocal singing of the present invention.

FIG. 2 is a graph showing a change in a sample vocal output sound volume of the present invention.

FIG. 3 is a graph showing a change in microphone output sound volume according to the present invention.

FIG. 4 is an overall block diagram of a conventional karaoke apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Karaoke apparatus 2 Communication line 3 First pitch detection circuit 4 Second pitch detection circuit 5 Microphone integration circuit 6 Vocal integration circuit 7 CRT 8 Sample vocal reproduction circuit 9 Tempo circuit 10 MIDI sound source 11 Display control circuit 12 Separation circuit 13 Amplifier 14 Mixer 18 Speaker 19 Microphone 20 Pitch Comparison Circuit 21 Volume Multiplier Setting Circuit

Claims (1)

[Claims] 1. A MIDI sound source for reproducing performance data having a main melody corresponding to lyrics from music data, and a singer singing lyrics into a microphone in accordance with the performance of the main melody and singing data detected from the microphone voice. A sample vocal generation circuit that generates sample vocal singing data in accordance with the main melody of the music data, and a mixer that mixes these singing data and performance data with a mixer, and performs music, a microphone voice, and a sample vocal singing by a music signal from the mixer. A karaoke apparatus including a speaker that outputs a vocal pitch signal from the microphone voice and detects a pitch from the sample vocal singing and outputs a vocal pitch signal. 2 comparison circuit that compares the microphone pitch signal and the vocal pitch signal and outputs a pitch difference signal A road, and a volume control circuit which outputs a volume control signal receives this pitch difference signal,
A microphone volume calculation circuit provided between the microphone and the mixer; and a vocal volume calculation circuit provided between the sample vocal reproduction circuit and the mixer, wherein when the pitch difference signal is large, the volume control circuit controls the vocal volume. A volume control signal for increasing the volume of the vocal singing is output to the arithmetic circuit, and a volume control signal for reducing the volume of the microphone voice is output to the microphone volume arithmetic circuit. The control circuit outputs a volume control signal for reducing the volume of the vocal singing to the vocal volume calculation circuit and a volume control signal for increasing the volume of the microphone voice to the microphone volume calculation circuit. Karaoke device with this vocal song.