JP3335290B2 - Acousto-electric conversion device with vocal cord copying function - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an acousto-electric converter such as a microphone, and more particularly to an acousto-electric converter having a vocal cord copying function for changing and outputting a singer's voice. is there.

[0002]

2. Description of the Related Art For example, in order to enjoy karaoke, a microphone is used to produce a singing voice from a speaker along with the accompaniment music of the karaoke music. The microphone acousto-electrically converts the input singing voice of the singer and outputs a voice signal of the singer from a predetermined transmission path such as a cable. This audio signal is input to a mixing amplifier or the like and output to a speaker or the like together with the accompaniment music.

[0003]

SUMMARY OF THE INVENTION There is a desire for karaoke singers to excite their accompaniment by exciting the place. To do so, sing the requested song to resemble the singer who sang the original song. Also, in recent imitation programs and the like, performing arts such as vocal folds reproductions by a performer who sings a person's possession with the voice of another person with a topicality have been performed, and have been well received by many viewers. Performing such a performance can further excite the venue. Moreover, it is easy to imagine that the greatest effect can be expected if the singer who imitates is suddenly changed during the song. Then, the singer sings with the gesture or expression to be sung resembling an appropriate singer. However, it is very difficult for ordinary singers to sing in the voice of others, and it is almost impossible for others to sing so well that they cannot be distinguished.

Accordingly, the present invention is provided with a vocal cord copying function capable of converting a singer's voice into a voice of a specified singer and outputting the converted voice signal in order to enhance the recreational performance of karaoke and the like and greatly enrich the venue. An object is to provide an acoustoelectric conversion device.

[0005]

An acoustoelectric conversion device with a vocal cord copying function according to the present invention has the following specific items (1) to (1).
This satisfies (6). (1) microphone, display means, voice data storage means,
This is an acoustoelectric conversion device with a vocal cord copying function, comprising a user interface unit, a voice conversion unit, a central processing unit, and a case for accommodating them. (2) The microphone outputs a singing voice signal. (3) The timbre data storage means stores a plurality of timbre data corresponding to the names of the singers. (4) The user interface means can register several names in advance from a plurality of voice data stored in the storage means, and select any one of the several singers displayed on the display means. It is possible. (5) The voice conversion means generates and outputs synthesized voice data whose fundamental frequency and amplitude change follow the singing voice signal and whose spectral characteristics follow the voice color data. (6) The central processing means displays the names of several registered singers on the display means, and gives voice data corresponding to the selected singer names to the voice conversion means.

[0006] More preferably, in the present invention, the user interface means has a plurality of memory keys, and it is possible to register several voice data for each memory key.

[0007]

FIG. 1 is a block diagram of an acoustoelectric conversion device according to an embodiment of the present invention. This acoustoelectric converter 1
Is a vocal fold reproduction that outputs, in addition to a normal microphone 13 that converts sound into an acousto-electric signal, a voice signal obtained by converting a voice of the singer into a specified singer's voice based on a temporal change of a singer's pitch or volume. It has various components for its function and is arranged in the same form as an ordinary microphone. Hereinafter, the vocal cord copying function will be described.

The central control unit 11 has a CPU, ROM,
It is a computer including a RAM, and controls the acoustoelectric conversion device 1 by controlling peripheral components. The timbre data storage unit 12 is a storage medium such as an EPROM, and is a singer (a “singer” in this specification is a “singer” including ordinary people, and does not necessarily indicate a professional singer. ) Are stored. The timbre data is obtained by sampling a singer's voice, analyzing the spectrum, and describing spectrum information characterizing the timbre in a predetermined data format.

The digital signal processor (DSP) 20
It is a main component of the vocal cord copying function, and appropriately processes a singer's voice signal from the microphone 13 to output a singer's voice into a singer's voice. The user interface unit 15 is a unit for inputting / outputting information between the user and the central control unit 11, and includes various operation keys for operating the acoustoelectric conversion device 1 including a vocal cord copying function, and acoustoelectric conversion. Appropriate information display means for displaying the operation status and the like of the device 1 is provided. With the above configuration, the operation of the vocal cord copying function is performed according to the following route.

When central control unit 11 receives a command to activate the vocal cord copying function from user interface unit 15,
The DSP 20 is operated, the voice data of the designated singer is read from the voice data storage unit 12, and the voice data is transferred to the DSP 20. Then, the DSP 20 outputs a voice signal obtained by converting the voice of the singer to the voice of the singer based on the input voice data and the voice signal of the singer. Further, the central processing unit 11 controls the output control unit 14 to switch and output the voice signal of the singer and the voice signal of the singer,
Alternatively, processing such as mixing two audio signals to adjust the output balance is performed. The audio signal thus processed is input to an appropriate external device such as an amplifier via a transmission path such as a cable after the overall volume is adjusted.

FIG. 2 schematically shows the internal configuration of the DSP 20. The operation of the DSP 20 will be described with reference to FIG. The voice signal of the singer input from the microphone 13 is converted into a digital signal by the A / D converter 21 and processed. The fundamental frequency extracting unit 22 sequentially extracts a fundamental frequency from the sampled audio signal. This fundamental frequency is a frequency component in the vocal cord wave that determines the pitch of the singer. Then, the singing situation extracting unit 23 extracts the singing situation such as the strength of the singer's voice.

The speech synthesizer 24 has a fundamental frequency that matches the frequency extracted by the fundamental frequency extractor 22, an amplitude change corresponding to the analysis result of the singing situation extractor 23, and a spectral characteristic according to the timbre data. Generate audio data. The synthesized voice data is converted into an analog voice signal converted to the voice of the singer by the D / A converter 25 and output. The DSP 20 processes the voice signal of the singer or the fundamental frequency of the voice signal converted into the voice of the singer so as to be shifted by a predetermined scale, so that the singer and the singer sing different parts in karaoke or the like. Is also possible.

FIG. 3 is an external view of the acoustoelectric conversion device according to the present embodiment. The user sings while carrying the acoustoelectric conversion device 1 like a normal microphone. The acoustoelectric conversion device 1 includes a spherical head 40 and a grip portion 50, and has a case shape similar to that of a conventional microphone. Inside the case, in addition to the microphone 13, each component of the acoustoelectric conversion device 1 described above, such as the central control unit 11 and the DSP 20, is housed. The surface of the spherical head 40 has a mesh shape for introducing a user's voice into the microphone 13 in the case. On the surface of the grip 50, a power switch 31 and a dial 36 for volume control are provided.
In addition to the above, the activation switch 32 of the vocal cord copying function, the keys 33 and 34 and the dial 37 for operating this function
And are arranged. Further, a liquid crystal display panel (hereinafter referred to as L) for displaying the operation status of the acoustoelectric conversion device 1 and the like.
CD) 35 is also installed. Next, the user interface of the acoustoelectric conversion device 1 and the corresponding operation of the acoustoelectric conversion device 1 will be described.

A key 33 is a memory key 33 for pre-registering several singers from a group of singers whose voice data is stored in the voice data storage unit. The singer's voice data registered in a predetermined memory area in the central control unit or the storage location in the voice data storage unit is described. Voice data can be called. In the present embodiment, memory keys 33 numbered 1 to 3 are prepared so that up to three singers can be registered in advance. The key 34 is a selection key 34 for calling a singer registered to select and designate a singer. The singers whose timbre data is registered in the timbre data storage unit can be called in ascending or descending order according to a predetermined order. The dial 37 is a balance adjusting dial 37 for adjusting the output balance between the voice signal of the singer and the voice signal converted into the voice of the singer.

When the start switch 32 is pressed while the power switch 31 is ON, the vocal cord copying function is activated. Then L
On the CD 35, the name of the singer registered in each key of the memory key 33 and the name of the currently selected singer are displayed.
In this state, when the user speaks toward the microphone (spherical head 40) of the acoustoelectric conversion device 1, an audio signal converted into the voice of the selected singer is output from the cable 38.

When changing the voice to that of another singer, pressing the appropriate memory key 33 instantly selects the singer corresponding to that key. Of course, the selection may be performed in order using the selection key 34 until the desired singer is displayed. When replacing the singer whose reservation is to be registered in the memory key 33, the appropriate memory key 33 is kept pressed for a while to enter the reservation registration mode. At this time, the display field corresponding to the memory key to be registered for reservation blinks on the LCD 35. Select key 3
4 is displayed on the LCD 35 for the singer whose reservation is to be registered. Then, when the memory key 33 for registering the reservation is pressed again, the reservation registration is completed. It is needless to say that the user interface such as the key arrangement, the operation method, and the display method is not limited to the present embodiment and may be appropriately changed.

The output of the audio signal is not limited to wired transmission, but is converted into a radio signal such as an infrared signal and transmitted by radio, and a receiver for converting the radio signal into an audio signal again is connected to an amplifier or the like. It may be. Further, the voice data storage section may be structured so as to be detachable from the electroacoustic transducer, and an appropriate coupling means for attaching the voice data storage section to the electroacoustic transducer may be provided. As a result, the voice data storage unit can be appropriately replaced, and voice data of a larger number of singers can be used. Alternatively, the voice data storage unit may be a rewritable storage medium such as a flash memory. Then, by providing the electroacoustic transducer with appropriate interface means for performing data communication between the storage medium and the central processing unit, the electroacoustic transducer is connected to an information processing device such as a computer installed outside, and is stored in the voice data storage unit. The data may be changed so that it can be appropriately rewritten.

[0018]

According to the present invention, a user can freely designate a singer and output his / her own voice as a voice signal converted into the voice of the designated singer. For this reason, the entertainment can be greatly enhanced by improving the entertainment such as karaoke. Further, since the case integrated with the microphone is provided with a vocal cord copying function and its operation means, the voice of another singer can be easily changed even during singing.

In the present invention, the user registers in advance a number of singers who want to be converted by using the user interface means, and operates a memory key or the like of the user interface means when singing karaoke. Voice data is given to voice conversion means while switching the name of a singer, so that one's singing voice can be converted into the voice of the singer, and a very convenient and fun function can be realized.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an embodiment according to the present invention.

FIG. 2 is a schematic configuration diagram of a digital signal processing device in the embodiment.

FIG. 3 is an external view of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Acoustoelectric converter 11 Central processing unit 12 Voice data storage unit 13 Microphone 20 DSP

Continuation of the front page (56) References JP-A-8-123491 (JP, A) JP-A-8-194495 (JP, A) JP-A-8-263077 (JP, A) Registered utility model 3012281 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) G10K 15/04 302 G10L 13/04 G10L 21/04

Claims (2)

(57) [Claims] 1. An acousto-electric conversion device with a vocal cord copying function, comprising: a microphone, a display unit, a voice data storage unit, a user interface unit, a voice conversion unit, a central processing unit, and a case accommodating these components integrally. The voice data storage means stores a plurality of voice data corresponding to the name of the singer, and the user interface means stores a plurality of voice data in advance from among the plurality of voice data stored in the storage means. In addition to being registerable, any one of several singers displayed on the display means can be selected. The voice color conversion means has a fundamental frequency and amplitude change according to a singing voice signal, and a spectral characteristic according to voice data. The synthetic voice data is generated and output, and the central processing means displays the names of several registered singers on the display means, and Vocal cord replication function acoustoelectric conversion device gives the tone of voice data corresponding to hand name Singshine converting means. 2. The acoustoelectric conversion device with a vocal cord copying function according to claim 1, wherein the user interface means comprises a plurality of memory keys, and each of the memory keys can register several voice data.