JPH08286687A - Karaoke device - Google Patents

Abstract

PURPOSE: To easily make a duet singing for a man and a woman. CONSTITUTION: During a male and female duet, a microphone 1 is used by the man and a microphone 2 is used by the woman. A frequency characteristics compensating circuit-amplifier 20 is constituted so that it is made to be switched between normal and male frequency characteristics. A frequency characteristics compensating circuit-amplifier 22 is constituted so that it is made to be switched between normal and female frequency characteristics. A frequency characteristics switching means 26 sets the amplifiers 20 and 22 to their normal characteristics when a non-male-female duet is selected by a male-female duet/non-male-female duet selection instructing means 24. When a male-female duet is selected, the amplifier 20 is set for the male-characteristics and the amplifier 22 is set for the female-characteristics.

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 has improved easiness of singing when a duet between men and women.

[0002]

2. Description of the Related Art Generally, a karaoke apparatus is constructed so that an audio signal picked up by a microphone is amplified by an amplifier for a microphone and mixed with an accompaniment sound signal reproduced separately to drive a speaker. In the conventional karaoke apparatus, the frequency characteristic of the microphone amplifier is not changed once it is set, or the tone control circuit for the microphone is adjusted and used.

[0003]

A circuit for a microphone of a karaoke apparatus (a portion from a microphone input portion for inputting a microphone pickup signal to a portion before mixing the microphone input signal to an accompaniment sound signal, a microphone amplifier, tone control The frequency characteristics of circuits (including circuits etc.) have a minimum pass band to prevent howling. At the time of duet of a man and a woman, a man's voice and a woman's voice are usually different from each other by one octave. Therefore, it may be difficult to sing when the pass band of the microphone circuit is the same for men and women. In such cases,
If you have a tone control circuit for each microphone input, you can keep the volume balance of men and women equal by turning the knob individually for each microphone input to adjust the band, but it is necessary to adjust each time individually. It was troublesome.

The present invention is intended to solve the above-mentioned problems in the prior art, and to provide a karaoke apparatus in which the ease of singing during a male / female duet is improved without requiring a troublesome operation.

[0005]

According to the first aspect of the present invention,
A microphone input section that inputs the audio signals picked up by two microphones, and one of the audio signals that is input to this microphone input section. First frequency characteristic imparting means for selectively imparting one of the defined frequency characteristics,
A second frequency characteristic for selectively imparting to the other audio signal input to the microphone input section, either the frequency characteristic defined as the characteristic in the normal state or the frequency characteristic defined as the female characteristic in a male / female duet. When the non-gender duet is instructed by the giving means, a male / female duet / non-gender duet selection instructing means for selectively instructing whether to sing with a male / female duet, and when the non-gender duet is instructed by the male / female duet / non-gender duet selection instructing means, the first, The second frequency characteristic imparting means is set to the normal frequency characteristic, and when the male and female duet is instructed, the first frequency characteristic imparting means is set to the male frequency characteristic, and the second frequency characteristic imparting means is set to the male frequency characteristic. The frequency characteristic applying means is provided with frequency characteristic switching means for setting the frequency characteristic for the female.

According to a second aspect of the present invention, a microphone input section for inputting a voice signal picked up by two microphones and both of the voice signals input to the microphone input section are defined as characteristics in a normal state. First and second frequency characteristic imparting means for selectively imparting either a frequency characteristic or a frequency characteristic determined as a male characteristic during a male / female duet or a frequency characteristic determined as a female characteristic during a male / female duet, A male / female selection instruction means for instructing which of the two microphone inputs is for men and which is for women, and a male / female duet / non-female duet selection instruction for instructing whether to sing with male and female duets And the first and second frequency characteristic giving means when a non-gender duet is instructed by the male and female duet / non-gender duet selection instructing means. Set to the frequency characteristic of the normal time, when the duet male and female is instructed, the frequency characteristic applying means for inputting the audio signal input from the microphone selected for the male is set to the frequency characteristic for the male. A frequency characteristic switching means for setting the frequency characteristic for the female and inputting the audio signal input from the microphone selected for the female is set to the frequency characteristic for the female.

[0007]

According to the first aspect of the present invention, either one of the frequency characteristic defined as the characteristic in the normal state or the frequency characteristic defined as the characteristic for the male / male duet in one voice signal input to the microphone input section. First to selectively give
Frequency characteristic imparting means, and selectively imparts to the other audio signal input to the microphone input either the frequency characteristic defined as the characteristic in the normal state or the frequency characteristic defined as the female characteristic during a male / female duet. When the non-gender duet is instructed by the male / female duet / non-gender duet selection instructing means, both the first and second frequency characteristic imparting means are set to the normal frequency characteristic. When the male and female duet is instructed, the first frequency characteristic imparting means is set to the male frequency characteristic, and the second frequency characteristic imparting means is set to the female frequency characteristic. Therefore, it is possible to improve the ease of singing for both men and women without having to perform troublesome operations during a duet for men and women.

According to the second aspect of the present invention, the frequency characteristic defined as the characteristic in the normal state of the two audio signals input to the microphone input section or the frequency characteristic defined as the characteristic for the male or female duet during the male or female duet or the male or female duet. Select one of the first and second frequency characteristic assigning means for selectively imparting one of the frequency characteristics defined as the female characteristics and the two microphone inputs for the male and which for the female A male / female selection instruction means for instructing is provided, and when the male / female duet / non-male / female duet selection instructing means issues a non-male / female duet, both the first and second frequency characteristic imparting means are set to the normal frequency characteristic. When a male / female duet is set, a frequency characteristic is input to input the audio signal input from the microphone selected for the male. Since the means is set to the frequency characteristic for the male and the frequency characteristic imparting means for inputting the audio signal input from the microphone selected for the female is set to the frequency characteristic for the female, It is possible to improve the ease of singing for both men and women without having to perform troublesome operations during duets for men and women.

The characteristics for men and the characteristics for women are characteristics that make it easier for men and women to sing during a duet between men and women. For example, the characteristics for men are, for example, in a normal time (at a non-gender duet (for example, at the time of solo, same-sex duet). )), The pass band can be set to a characteristic extending in the low range, and the female characteristic can be set to, for example, a characteristic in which the pass band is extended to the higher range compared to the normal time. With this setting, passbands that match the male voice and the female voice can be obtained during a male / female duet, making it easier for both male and female to sing.

[0010]

【Example】

(Embodiment 1) An embodiment of the invention described in claim 1 is shown in FIG. Here, when male and female duets, the microphone 1 is for men,
Mike 2 is used for women. The microphones 1 and 2 are connected to the karaoke device 10 by a connection mechanism such as a plug / jack.
Are connected to the microphone input terminals 12 and 14 (microphone input section).

The audio signals picked up by the microphones 1 and 2 are input to the frequency characteristic correction circuit / amplifiers 20 and 22 via the microphone amplifiers 16 and 18, respectively. The frequency characteristic correction circuit / amplifier 20 constitutes a first frequency characteristic imparting means, and imparts to the input audio signal at a characteristic defined as a frequency characteristic at a normal time (at the time of non-male and female duet (for example, at the time of solo or homosexual duet)). The characteristics are switched so as to selectively give either the frequency characteristics defined as the characteristics to be specified) or the frequency characteristics defined as the characteristics for men at the time of duet between men and women. On the other hand, the frequency characteristic correction circuit / amplifier 22 is the second
Of the frequency characteristic correction circuit and the characteristics of the input voice signal as the frequency characteristics of the normal time (the same characteristics as the frequency characteristics of the frequency characteristic correction circuit / amplifier 20 at the normal time) or male and female. The characteristics are switched so as to selectively impart any of the frequency characteristics defined as the female characteristics at the time of duet.

The male / female duet / non-gender duet selection instruction means 24 gives an instruction to select whether to sing a male / female duet or a non-gender duet (solo, same-sex duet, etc.). For example, a “gender duet” as shown in FIG. It can be configured by a manual changeover operation means (changeover switch) capable of selecting “and other”. Alternatively, if the karaoke software (LV (laser vision), CDG (CD graphics), VideoCD, ROM cartridge, etc.) has identification information indicating that it is a duet song for men and women in advance, a duet for men and women / a duet for non-men and women The selection instruction can be automated (in that case, the karaoke software itself constitutes a male / female duet / non-gender duet selection instruction means).

The frequency characteristic switching means 26 switches the frequency characteristics of the frequency characteristic correction circuit / amplifiers 20 and 22 according to the selection instruction of the male / female duet / non-gender duet switching operation means 24. That is, when the non-male / female duet is instructed to be selected, the frequency characteristic correction circuit / amplifiers 20 and 22 are provided.
Are both set to the frequency characteristic at the normal time. When a male / female duet is selected, the frequency characteristic correction circuit / amplifier 20 is set to the male frequency characteristic, and the frequency characteristic correction circuit / amplifier 22 is set to the female frequency characteristic.

The two audio signals, to which the frequency characteristics have been added by the frequency characteristic correction circuit / amplifiers 20 and 22, are mixed by the mixing circuit 28, converted into digital signals by the A / D converter 30, and then by the effect creating circuit 32. Echo, reverb, and other vocal effects (by combining echo and reverb, effects such as ballads, rock, and ensemble are added).
The signal is converted back into an analog signal by the / A converter 34. The effect creating circuit 32 interlocks with the operation of the male / female duet / non-male / female duet switching operation means 24 to create a special effect (a chorus effect (a sound in which the pitch of the collected voice is changed) is generated at the time of the male / female duet. It is also possible to add the effect similar to the pseudo-chorus by emitting at the same time. The output signal of the D / A converter 34 is input to the mixing circuit 36. In addition, the A / D converter 30
The signal before A / D conversion by is also input to the mixing circuit 36. The mixing circuit 36 adds both inputs (a raw sound and a sound effect) and outputs them.

The audio signals of the accompaniment sounds are LV, CDG and Vid.
It is supplied from various karaoke software such as eo CD, ROM cartridge, etc., and input to the input terminals 40, respectively. The selector 42 is operated by the user's selection operation to select any accompaniment sound signal of the karaoke software input to the input terminal 40. The selected accompaniment sound signal is input to the music circuit 44, subjected to necessary reproduction signal processing, and mixed by the mixing circuit 46 with the singing signal from the mixing circuit 36. The mixed audio signal is amplified by the power amplifier 48 and reproduced by the speaker 50.

FIG. 3 shows a characteristic example of the frequency correction circuit / amplifiers 20 and 22. The characteristic (a) is obtained by changing only the pass band while the frequency characteristic remains flat. That is, the frequency characteristic A at the normal time (at the time of non-male and female duet) is made flat. On the other hand, at the time of duet between men and women, the characteristic B for men is set to a characteristic shifted to the low frequency side by a predetermined amount and the characteristic C for women is set to the characteristic high frequency side compared to the frequency characteristic A at the normal time. . This makes it possible to obtain passbands that match the male voice and the female voice, respectively, and facilitate singing.

The characteristic of FIG. 3B is obtained by changing the gains of the pass band and the specific band. That is, the normal frequency characteristic A is made flat. In contrast,
Characteristic B for men when compared to normal characteristics when men and women duet
Is a characteristic in which the low-frequency gain is increased and the high-frequency gain is decreased, and the female characteristic C is the low-frequency gain reduced and the mid-frequency gain is increased to increase the mid-range characteristic to the male characteristic. The gain is higher by a predetermined amount than that. This allows
Passbands that match the male and female voices are obtained, and the midrange of the female voice is emphasized, making it easier to sing.

The frequency characteristic correction circuit / amplifier 20 shown in FIG.
A specific example of 22 is shown in FIG. The frequency characteristic correction circuit / amplifiers 20 and 22 are configured to impart the characteristics of FIG. 3A, and by switching the capacitors by the switches 52 and 54, A, B and C of FIG. Realize the characteristics of. That is, normally, the switches 52 and 54 are
Is connected to the contact a side, and both the frequency characteristic correction circuit / amplifiers 20 and 22 are set to the characteristic A of FIG. 3 (a). Further, at the time of duet between men and women, the switches 52 and 54 are connected to the contact b side, and the frequency characteristic correction circuits 20 and 22 are set to the characteristics B and C of FIG. 3A, respectively. The output signals of the frequency characteristic correction circuits 20 and 22 are added and synthesized by the mixing circuit 28.

(Embodiment 2) An embodiment of the invention described in claim 2 is shown in FIG. The same parts as those in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted. Here, the frequency characteristic correction circuits / amplifiers 20 'and 22' are both frequency characteristics for normal times, frequency characteristics for men, and frequency characteristics for women (for example, A, B in FIGS. 3A and 3B, It is configured such that it can be switched to each of three types of characteristics (characteristic of C). The male / female selection instructing means 56 is for instructing which of the two microphones 1 and 2 is to be used for a male and which is to be used for a female. For example, a manual switching operation means (switching) as shown in FIG. Switch).

The frequency characteristic switching means 26 switches the characteristics of the frequency correction circuit / amplifiers 20 'and 22' in accordance with the selection instructions of the male / female duet / non-gender duet selection instruction means 24 and the male / female selection instruction means 56. That is, when the non-gender duet is selected, both the frequency characteristic correction circuit / amplifiers 20 'and 22' are set to the normal frequency characteristic. When the male and female duets are selected and the microphone 1 is selected for the male and the microphone 2 is selected for the female, the frequency characteristic correction circuit / amplifier 20 'is set to the frequency characteristic for the male to correct the frequency characteristic. The circuit / amplifier 22 'is set to the frequency characteristic for women.
When the male and female duets are selected and the microphone 1 is selected for the female and the microphone 2 is selected for the male, the frequency characteristic correction circuit / amplifier 20 'is set to the frequency characteristic for the female to correct the frequency characteristic. The circuit / amplifier 22 'is set to the frequency characteristic for men. As a result, the ease of singing during a male / female duet is improved as in the first embodiment.

In each of the above embodiments, the case where the microphone is connected to the karaoke device 10 by wire has been described, but the present invention can be applied to a karaoke device using a wireless microphone. In that case, the receiving antenna provided in the karaoke apparatus 10 constitutes the microphone input section. Further, by making the radio frequencies used by the microphone 1 and the microphone 2 different, it is possible to perform processing for identifying two microphone inputs on the karaoke device side and giving different frequency characteristics.

[0022]

As described above, according to the first aspect of the invention, the frequency characteristic defined as the characteristic in one voice signal input to the microphone input section in the normal state or the male characteristic in the male / female duet is set. First frequency characteristic applying means for selectively applying any one of the frequency characteristics defined as
Second frequency characteristic imparting selectively imparting either the frequency characteristic defined as the characteristic in the normal state or the frequency characteristic defined as the female characteristic in a male / female duet to the other audio signal input to the microphone input unit When a non-gender duet is designated by the male / female duet / non-gender duet selection instructing means, both the first and second frequency characteristic imparting means are set to the normal frequency characteristic, and the male / female duet indicates. Since the first frequency characteristic imparting means is set to the male frequency characteristic and the second frequency characteristic imparting means is set to the female frequency characteristic, it is troublesome during a male and female duet. It is possible to improve the ease of singing for both men and women without performing any special operations.

According to the second aspect of the present invention, the frequency characteristic defined as the characteristic in the normal state of the two audio signals input to the microphone input section or the frequency characteristic defined as the characteristic for the male or female duet during the male / female duet or the male / female duet. The first and second frequency characteristic assigning means for selectively imparting any one of the frequency characteristics defined as the female characteristics at the time, and which of the two microphone inputs is for the male and which is for the female are selected. A male / female selection instruction means for instructing is provided, and when the male / female duet / non-male / female duet selection instructing means issues a non-male / female duet, both the first and second frequency characteristic applying means are set to the normal frequency characteristic. When a male / female duet is set, a frequency characteristic is input to input the audio signal input from the microphone selected for the male. Since the means is set to the frequency characteristic for the male and the frequency characteristic applying means for inputting the audio signal input from the microphone selected for the female is set to the frequency characteristic for the female, It is possible to improve the ease of singing for both men and women without having to perform troublesome operations during duets for men and women.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of the invention described in claim 1.

FIG. 2 is a diagram showing a specific example of a male / female duet / non-gender duet selection instruction means of FIG.

FIG. 3 is a diagram showing the frequency characteristic applying circuit / amplifiers 20 and 2 of FIG.
It is a figure which shows the frequency characteristic example of No.2.

FIG. 4 is a diagram showing the frequency characteristic applying circuit / amplifiers 20 and 2 of FIG.
It is a circuit diagram which shows the specific example of 2.

5 is a block diagram showing an embodiment of the invention described in claim 2. FIG.

6 is a diagram showing a specific example of male / female selection instruction operating means 56 of FIG.

[Explanation of symbols]

1, 2 Microphone 10 Karaoke device 12, 14 Microphone input terminal (microphone input section) 20, 20 'Frequency characteristic imparting circuit / amplifier (first frequency characteristic imparting means) 22, 22' Frequency characteristic imparting circuit / amplifier (second) Frequency characteristic imparting means) 24 Male / female duet / non-gender duet selection instruction means 26 Frequency characteristic switching means 56 Male / female selection instruction means

Claims (2)

[Claims] 1. A microphone input section for inputting a voice signal picked up by two microphones, and a frequency characteristic or a male / female duet defined as a characteristic at a normal time for one voice signal input to the microphone input section. First frequency characteristic imparting means for selectively imparting any one of the frequency characteristics determined as the male characteristic, and the frequency characteristic determined as the normal characteristic to the other audio signal input to the microphone input unit. Alternatively, a second frequency characteristic imparting means for selectively imparting any one of the frequency characteristics defined as the female characteristic at the time of duet between male and female, and a male / female duet / non-gender duet selection instruction for selectively instructing whether or not to sing by male and female duet And a first and a second frequency characteristic giving means when a non-gender duet is instructed by the male and female duet / non-gender duet selection instructing means. Both of them are set to the normal frequency characteristic, and when a male and female duet is instructed, the first frequency characteristic imparting means is set to the male frequency characteristic, and the second frequency characteristic imparting means is set to the female frequency characteristic. Karaoke device comprising frequency characteristic switching means for setting the frequency characteristic of 2. A microphone input section for inputting a voice signal picked up by two microphones, and a frequency characteristic or a male / female duet determined as a characteristic at a normal time for the both voice signals input to the microphone input section. First and second frequency characteristic imparting means for selectively imparting either the frequency characteristic determined as the male characteristic or the frequency characteristic determined as the female characteristic at the time of duet between men and women, and the two microphone inputs. Male / female selection instructing means for selectively instructing which is to be used for men and which is for female, and male / female duet / non-man and female duet selection instructing means for selectively instructing whether to sing by male / female duet, and the male / female duet / When the non-gender duet selection instructing means instructs the non-gender duet, both the first and second frequency characteristic applying means are set to the normal frequency. Set to a number characteristic, when a male and female duet is instructed, the frequency characteristic applying means for inputting the audio signal input from the microphone selected for the male is set to the frequency characteristic for the male, and the female Karaoke device comprising frequency characteristic switching means for setting the frequency characteristic applying means for inputting the audio signal input from the microphone selected for use as the female frequency characteristic.