JP2601289Y2 - Karaoke equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a karaoke apparatus which allows a user to recognize a past singing error position and prompt correct singing.

[0002]

2. Description of the Related Art Conventionally, there is an assistant function as an auxiliary function in a karaoke apparatus. This assistant function uses the sound recording of accompaniment sound on the right channel and the singer's voice on the left channel of the audio multiplexed magnetic tape, and only the accompaniment sound of the right channel is emitted to the outside. When the singing voice of the song is lost, the singing voice of the left channel is supplied to only the user via the earphone to assist the correct singing. As a result, the user can provide assistance for a part that cannot be sung at present.

[0003]

[Problem to be Solved by the Invention] However, in the above assistant function, only the singer's voice is heard as assistance for the first time after the singing is disabled, and the device assists the person in difficulty in singing, which is unique to individuals. I can't do that.

The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a karaoke apparatus capable of recognizing a past singing error position to a user and prompting a correct singing. And

[0005]

The karaoke apparatus according to the present invention has a detecting means (5) for detecting at least a frequency of a voice signal uttered by a user. This means is constituted by a pitch detection circuit or the like which inputs a voice uttered by the user and detects the frequency pitch.

Next, there are accompaniment recording means (10) in which accompaniment signals of music are recorded, and singing reference recording means (11) in which singing reference signals corresponding to the accompaniment signals of music are recorded. These storage means may be those in which semiconductor memory stores automatic performance data generalized by electronic musical instrument technology, or magnetic tapes recorded in audio multiplex format,
It is also possible to use a recording medium such as a compact disk.

Next, there is provided a reading means (9) for reading the accompaniment signal and the singing reference signal from the accompaniment recording means (10) and the singing reference recording means (11) in a corresponding manner. This means is a so-called CPU comprising, for example, a ROM storing a microprogram and an instruction decoder for decoding the microprogram.
If 1) is a semiconductor memory, the stored contents are read out, and if it is a recording medium such as a magnetic tape, a drive mechanism and a reproducing head are included.

Further, there is provided a judging means (9) for comparing and judging the singing reference signal read from the singing reference recording means (11) with the frequency of the voice signal detected by the detecting means (5). This means compares the frequency of the user's voice with the frequency of the reference signal, and determines the match / mismatch. In this case, it is possible to provide a certain width for the determination.

Next, the singing reference recording means (1) of the singing reference signal for which an error on the voice signal side has been determined by the determining means (9).
Position storage means (12) for storing the recording position in 1)
Having. This means is to store the singing error position in the music when the discrimination means (9) judges the mismatch, and to make the user recognize the error part up to the last time by the stored contents at the next singing of the same music. Used.

Next, when the recording position of the singing reference signal read by the reading means (9) matches the storage content of the position storage means (12), the recognition means () for allowing the user to recognize past singing errors. 14, 15, 16). This means is for the user to recognize the position of the past singing error in the music and alert the user to encourage correct singing. In addition to outputting sounds to recognize singing errors in the past, various modes such as turning on a caution lamp and changing the color of the verse song display are conceivable.

[0011]

According to the present invention, the position of a song at which a singing error of the user is detected by the determination means is stored, and the user recognizes the past singing error position by a reference signal or the like at the next singing of the same song.

[0012] Thus, the user can be made to recognize the past erroneous portion, and it is possible to encourage correct singing.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a karaoke apparatus using a semiconductor memory will be described in detail with reference to FIGS. FIG. 1 is a diagram for explaining each block of the karaoke apparatus.

Reference numeral 1 denotes a microphone, which is a hand microphone for taking in a voice uttered when the user sings to an accompaniment sound to be described later in the karaoke apparatus. After being mixed with the accompaniment sound signal, it is amplified by the amplifier 3 and emitted to the outside by the speaker 4.

Reference numeral 5 denotes a pitch extraction circuit, and the microphone 1
A circuit that detects the pitch (frequency) of the user's voice signal captured in step 1 and includes, for example, a plurality of band-pass filters or the like having each scale sound frequency as a center frequency, and extracts a fundamental frequency component of the input voice signal. The corresponding scale code is output to the control unit 9.

Reference numeral 10 denotes an accompaniment data memory, as shown in detail in FIG. 2, composed of a semiconductor memory in which accompaniment data including an event time and pitch data is stored for each music piece. A melody data memory 11 stores melody data consisting of event time and pitch data for each music piece and text data representing singing and poem characters corresponding to each pitch data, as shown in detail in FIG. Semiconductor memory. The contents stored in the memories 10 and 11 are read out by the control unit 9, the pitch data of the accompaniment is sent to the accompaniment tone generator circuit 6, the pitch data of the melody is sent to the melody tone generator circuit 14, and the text data of the singing and poetry characters is sent to the character generator 7 respectively.

The accompaniment tone generator 6 is a circuit for generating and outputting an accompaniment signal having a corresponding frequency based on the input pitch data of the accompaniment. The melody tone generator 14 is a circuit that generates and outputs a melody signal having a corresponding frequency based on the input pitch data of the melody. In this case, only the pitch data corresponding to the melody part of the past singing error is stored in the melody sound source circuit 14 as described later.
The melody signal output from the control unit 9 is output from the earphone 16 via the amplifier 15. The earphones 16 are for the user to wear in their own ears when singing, and to confirm the melody sound of the singing error part in the past.

The character generator 7 generates corresponding verse-and-verse character data in accordance with the text code provided from the control unit 9, and the verse-and-verse character data is provided to the display unit 8 such as a liquid crystal display device, and the current singing and singing character data is provided. The singing poems inside are displayed.

Reference numeral 12 denotes an error position memory, which detects an inconsistency between the pitch of the voice signal emitted by the user and the pitch data read from the melody data memory 11 by the control unit 9, and sets the corresponding address value in the melody data memory 11 Is stored.

Reference numeral 13 denotes a work memory, which is used as a work register used by the control unit 9 for various controls, and is assigned a music number register PNO, an address counter, an event time counter, a number register, and the like. Reference numeral 17 denotes a key input unit, which includes numerical keys 0 to 9 for setting a music number, a music selection key operated at the time of music selection, a reproduction key operated at the time of reproduction, a stop key operated at the time of reproduction stop, and the like.

The operation of this embodiment having the above configuration will be described. First, as a music selection operation, the user inputs the number of the music to be sung using the numerical keys of the key input unit 17, and then operates the music selection key. The operation signal of this numerical key is transmitted to the control unit 9
The numerical data is temporarily stored in a numerical register in the work memory 13 as music selection data.

Next, when the user operates a reproduction key to instruct reproduction of the selected music, the control section 9 executes the control operation shown in FIG.

First, at step S1 in FIG. 4, the control unit 9 checks whether or not music selection data has been input prior to operation of the reproduction key. This is to determine the presence or absence of data in the number register in the work memory 13 described above. If there is music selection data, the contents of the number register are transferred to the music number register PNO in the work memory 13 as step S2. . When the reproduction key is simply operated without music selection data, 1 indicating the first music selection is stored in the music number register PNO as step S3.
Note that the control unit 9 performs a process of clearing the contents of the number register after the process of step S2.

Next, as step S4, the control section 9 executes a process of reading the data of the corresponding tunes of the accompaniment data memory 10 and the melody data memory 11 in association with the tune number data of the tune number register PNO. That is, in each of the memories 10 and 11, data is stored in a different storage area for each music as shown in FIGS. 2 and 3, and data in the same music area designated by a music number is sequentially read out, respectively. You.

Next, the control section 9 executes a series of processes of steps S5, S6, S7 and S8 of FIG. 4 in parallel based on the read data.

First, as the accompaniment sound generation processing (step S5), processing for generating an accompaniment signal from the accompaniment tone generator circuit 6 in accordance with the accompaniment data read from the accompaniment data memory 10 is executed. The accompaniment data memory 10 stores event data and pitch data in order as shown in FIG. When the event data is read, the control unit 9 starts counting based on a basic clock (not shown), and when the counted number matches the read event data, the pitch of the accompaniment tone stored at the next address. Read data.
The read pitch data is supplied to the accompaniment tone generator circuit 6, where the corresponding accompaniment tone signal is generated, and the accompaniment tone is emitted from the speaker 4 to the outside via the mixing circuit 2 and the amplifier 3. . The user sings to the microphone 1 in time with the accompaniment sound to be emitted.

In the song / verse display process (step S6), the text code read from the melody data memory 11 is sent to the character generator 7, and the corresponding song / verse character data is generated. Execute the process of displaying the poem. The text data is stored in the memory 11 corresponding to each pitch data of the melody data as shown in FIG.
The user sings while watching the state indicated by.

The singing voice of the user is captured by the microphone 1, converted into a corresponding scale code by the pitch extraction circuit 5, and given to the control unit 9. The scale code, the melody pitch data and The control unit 9 executes a match determination process (step S7) based on The melody data memory 11 stores event data and pitch data in order as shown in FIG. When the event data is read, the control unit 9 starts counting based on a basic clock (not shown), and when the counted number matches the read event data, the pitch data of the melody stored at the next address. And the corresponding text code. The read text code is supplied to the above-described step S6, and the pitch data of the melody is used for the coincidence determination processing in step S7 and the processing in the next step S8.

The control unit 9 compares the read pitch data of the melody with the scale data from the pitch extraction circuit 5, and if they match (when the sung at the correct pitch), the error position memory 12 In the case where the data does not match, the address data of the melody data memory 11 at the error position is written to the error position memory 12 when the data does not match (in the case of singing at the wrong pitch). By this processing, the error position currently being sung is sequentially stored in the memory 1.
The next time the same song is sung, the user is made to recognize the past singing error position in accordance with the contents stored in the memory 12.

As a melody assistant process (step S8), it is checked whether or not the address data of the melody data memory 11 corresponding to the pitch data of the melody currently being read is already stored in the error location memory 12. If the melody tone data is stored, the melody tone pitch data of the melody currently read out is stored in the melody tone generator circuit 14.
Give to. Thereby, the melody sound source circuit 14 generates a corresponding melody sound signal, and the melody sound is emitted from the earphone 16 via the amplifier 15. The user wearing the earphones 16 can hear the melody sound of the part where the singing mistake was made in the past regardless of the current singing, so that the user's attention is further raised and the user can perform the correct singing Becomes

This series of processing (steps S5 to S8)
Is repeatedly executed until the accompaniment END code stored at the last address of the music piece area in the accompaniment data memory 10 is read (step S9) or the stop key is operated by the key input unit 17 (step S10). Is done. When the end code is read or the stop key is operated, a stop process is executed as step S11, and the control unit 9 stops reading the memories 10 and 11 and supplies pitch data to the tone generator circuits 6 and 14. To stop the sound emission, and set various contents of the work memory 13 to the initial state. Note that the contents stored in the error position memory 12 are not initialized, and are used for the next check.

As described above, the user sings while watching the displayed song poems and listening to the accompaniment sounds. If a previous singing error position occurs during the singing, a sound of the correct melody scale is heard from the earphone 16 as a reference signal, so that the user's attention is further aroused and correct singing can be performed.

Although the memories 10 and 11 are shown as separate components, the data may be stored in the same memory, and the memories 10 and 11 are detachable from the apparatus to reproduce a larger number of songs. You can do it.

Further, it is possible to use a recording medium such as a magnetic tape or a compact disk instead of the memory.

Further, in the above embodiment, the user was made to recognize the past singing error by emitting the reference signal from the earphone 16, but the recognition means such as changing the color of the singing poem or turning on the lamp is used. Is also good.

[0036]

According to the present invention, it is possible to prompt a user to recognize a past singing error position and to encourage correct singing.

[Brief description of the drawings]

FIG. 1 is a block circuit diagram of a karaoke apparatus according to an embodiment of the present invention.

FIG. 2 is a diagram showing storage contents of an accompaniment data memory 10;

FIG. 3 is a diagram showing storage contents of a melody data memory 11;

FIG. 4 is a flowchart for explaining a processing operation of a control unit 9 when a reproduction key is operated.

[Explanation of symbols]

 5 Pitch extraction circuit 6 Accompaniment tone generator circuit 9 Control unit 10 Accompaniment data memory 11 Melody data memory 14 Melody tone generator circuit

Claims (2)

(57) [Scope of request for utility model registration] 1. A detecting means for detecting at least a frequency of an audio signal uttered by a user; an accompaniment recording means for recording an accompaniment signal of a musical composition; and a singing reference signal corresponding to the accompaniment signal of the musical composition. Singing reference recording means, reading means for reading out the accompaniment signal and singing reference signal in a corresponding state from the accompaniment recording means and the singing reference recording means, the read singing reference signal, and the detecting means Determination means for performing a comparison determination with the frequency of the detected audio signal; and a position storage means for storing a recording position of the singing reference signal in which the error on the audio signal side is determined by the determination means in the singing reference recording means. A recognition unit for recognizing a past singing error to a user when a recording position of the singing reference signal read by the reading unit matches the storage content of the position storage unit; Karaoke apparatus characterized by comprising. 2. The karaoke apparatus according to claim 1, wherein the recognition means causes the user to output a correct singing reference signal at a past singing error position to a user to recognize the past singing error.