JP2015018078A - Solitary karaoke unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a solitary karaoke unit which does not require a karaoke device, does not generate ambient noise, can be used in one's own home conveniently, and can be used over a wide range without limitation of compatible reproduction equipment.SOLUTION: A solitary karaoke unit comprises: a main unit 1; a microphone device 2 and a headphone 3 direct coupled to the main unit 1; and music reproduction equipment 4 having an earphone jack, and being connected to the main unit 1 via a connection cord 5 connected to the earphone jack. A singing voice signal inputted into the main unit 1 from the microphone device 2 and an accompaniment voice signal inputted into the main unit 1 from the music reproduction equipment 4 via the connection cord 5, are outputted to the headphone 3 from an amplifier 16 for headphone, therefore a user can listen accompaniment from the music reproduction equipment 4 and own singing voice from the microphone device 2 simultaneously.

Description

  The present invention relates to a single karaoke unit, and more particularly to a single karaoke unit provided with a microphone that can be enjoyed alone at home and that does not leak singing voice in the vicinity.

  One of modern popular entertainment is so-called karaoke. In recent years, there are many karaoke facilities in front of the station, downtown, along the main road, etc., and anyone can easily use them with each other. However, recently, facilities and devices that can enjoy karaoke at home have also been developed, and it is now possible to enjoy and practice karaoke alone at home.

  By the way, since karaoke sings naturally, when enjoying karaoke at home, noise in the neighborhood may become a problem. In view of such a situation, as an invention for preventing a noise problem from occurring, a method of introducing a karaoke device into a capsule-shaped small room (Japanese Patent Laid-Open No. 2004-198501) or an inverted singing voice wave is used. A method of muting the singing voice (Japanese Patent Laid-Open No. 2001-34277) and the like, and a type of covering the entire face including the head with a helmet (Japanese Patent Laid-Open No. 6-236194) are also proposed.

  However, in the case of these inventions, there are problems in equipment installation and installation space, and costs, which are not easy. Therefore, it is intended to be easy to use, and the cover on the microphone described in Japanese Patent Laid-Open Nos. 6-324685 and 11-127492 prevents the singing voice from spreading and generates noise. Something to prevent has been proposed. However, in order to implement these inventions, a general karaoke device is required, and therefore it is not suitable for personal use.

  Therefore, as a system that can easily enjoy karaoke alone, for example, a system in which a hooded microphone 32 that covers a mouth portion is connected to a music playback device 31 such as a CD radio cassette player has been proposed and is commercially available. In this system, the microphone cord is connected to the microphone jack of the playback device, and the headphones 33 are connected to the earphone jack of the playback device. The accompaniment played by the playback device is transmitted from the headphones 33 to the user. The user's singing voice is picked up by the microphone 32 and taken into the playback device 31 and output together with the accompaniment, and reaches the user's ear through the headphones 33 together with the accompaniment (see FIG. 4).

  However, this system has a drawback that it cannot be used unless the playback device has a microphone jack and an earphone jack.

JP 2004-198501 A JP 2001-34277 A JP-A-6-236194 JP-A-6-324685 Japanese Patent Laid-Open No. 11-127492 http: // www. jtt. ne. jp / shop / product / mute_mic_iphone / index. html

  As mentioned above, the number of people who enjoy karaoke alone at home has been increasing recently, and what has been proposed as a karaoke device used for such purposes is that it requires cost and space for installation, There are problems such as the need for a dedicated karaoke device or the lack of versatility if the playback device does not have a microphone jack and an earphone jack.

  Accordingly, the present invention provides a single karaoke unit that does not require a karaoke device, can be used easily at home without generating noise, and is not limited to compatible playback devices, and can be used widely. Is an issue.

  The invention according to claim 1 for solving the above-described problems is achieved through a main unit, a microphone device and headphones directly connected to the main unit, and a connection cord that has an earphone jack and is connected to the earphone jack. A microphone that is attached to the periphery of the mouth to prevent leakage of a singing voice, and a microphone body that is disposed at the innermost part of the hood. The singing voice signal taken into the main unit from the microphone device and the accompaniment voice signal taken into the main unit from the music playback device via the connection cord are stored in the main unit. Simultaneously output from the headphone amplifier to the headphones, so that in the headphones, the accompaniment from the music playback device and the microphone Was one karaoke unit to the own voice of laid et al, characterized in that to listen simultaneously.

  The music playback device includes at least a CD radio cassette, earphone jack, cassette player, CD player and other player, personal computer, mobile phone, smart phone, mobile digital recorder, and television set.

  The present invention is as described above, does not require a special karaoke device, can be used with any music playback device having an earphone jack, and there is no risk of sound leakage during singing. There is an effect that can be used easily.

It is a figure which shows one usage pattern of the unit for single karaoke which concerns on this invention. It is a block diagram which shows the internal structure of the main-body unit in the unit for single karaokes which concerns on this invention. It is a perspective view which shows the structure of the microphone apparatus used in the unit for one person karaoke which concerns on this invention. It is a figure which shows the usage type of the conventional unit for single karaoke.

  The configuration of a single karaoke unit according to the present invention will be described with reference to the accompanying drawings. A single karaoke unit according to the present invention connects a main unit 1, a music playback device 4 having a microphone device 2 connected to the main unit 1, headphones 3 and an earphone jack, and the main unit 1 and the music playback device 4. And a connection cord 5 to be connected. The headphone 3 includes a type with an earmuff that covers the ear, a type that hangs on the auricle, and an earphone type that is inserted into the ear canal.

  FIG. 2 is a block diagram showing a schematic configuration of the main unit 1, and the main unit 1 connects the microphone jack (input terminal) 11 for connecting the microphone device 2 and the headphones 3 as shown therein. A headphone jack (output terminal) 12 and an accompaniment input jack (input terminal) 13 for connecting the connection cord 5 connected to the music playback device 4.

  In the main unit 1, at least a microphone amplifier 15 attached to the microphone jack 11, a headphone amplifier 16 attached to the headphone jack 12, and an accompaniment input jack 13 are attached. An amplifier 17 and a volume adjustment circuit 18 for adjusting the volume of the microphone device 2 are provided, and an echo adjustment circuit 19 for adding an echo to the microphone sound is incorporated as necessary.

  In the example shown in FIG. 1, the volume knob 25 for adjusting the volume and the volume knob 26 for adjusting the echo are rotary volumes, but may be a slide volume. Usually, the volume knob 25 for adjusting the volume also serves as a power switch. Note that the power supply (DC power supply) for driving each amplifier is omitted.

  The microphone device 2 has a hood 21 having a conical shape or the like in which the opening 22 can completely surround the mouth, and the microphone main body 23 is installed at the innermost part of the hood 21. The opening 22 is provided with a flexible material such as urethane foam, which is considered to be in close contact with the peripheral edge of the mouth when used. The microphone device 2 has such a configuration, and since the opening 22 is in close contact with the peripheral edge of the mouth during use, the singing voice is prevented from leaking out during use.

  The music playback device 4 is not particularly limited as long as it has an earphone jack. For example, a CD radio cassette player, a cassette player, a CD player, a personal computer, a mobile phone, a smart phone, a portable digital recorder, a TV, etc. are used. Is possible. Each of these music reproducing devices 4 reproduces an accompaniment of a song including a back chorus recorded in a corresponding medium or in a built-in memory, and the audio signal is connected to the main unit via the connection cord 5. 1 is supplied.

  The connection cord 5 is provided with a plug 5a corresponding to the accompaniment input jack 13 at one end and an earphone plug (3.5 diameter) 5b at the other end. Therefore, it can be connected to any earphone jack of the music playback device 4. In other words, any music playback device 4 can be connected to the main unit 1 by using the connection cord 5.

  When using the single karaoke unit according to the present invention having such a configuration, the microphone device 2 and the headphone 3 are connected to the main unit 1, the music playback device 4 is appropriately selected, and the connection cord 5 is connected to the earphone jack. The earphone plug 5b is inserted to connect the music playback device 4 to the main unit 1 and preparation is completed.

  Therefore, when the headphone 3 is worn on the ear, the music playback device 4 is turned on to select a desired song and a playback operation is performed, the accompaniment audio signal of the song is taken into the accompaniment amplifier 17 and amplified to be used for headphones. It is sent to the amplifier 16. The accompaniment audio signal input to the headphone amplifier 14 is amplified there and transmitted to the headphones, so that the user wearing the headphones 3 can listen to the accompaniment.

  The user reaches the singing start time and starts singing while pressing the opening 22 of the microphone device 2 against the mouth periphery. The singing voice is picked up by the microphone main body 23, and the picked up singing voice signal is amplified by the microphone amplifier 15 and input to the headphone amplifier 16. The singing voice signal input to the headphone amplifier 16 is sent to the headphone 3 together with the accompaniment voice signal, so that the user can listen to his / her singing voice along with the accompaniment. The user can adjust the volume of the singing voice by operating the volume adjusting knob 25 at any time, and can adjust the degree of echo by operating the echo adjusting knob 26.

  Although the invention has been described in some detail with its most preferred embodiments, it is evident that a wide variety of embodiments can be constructed without departing from the spirit and scope of the invention. Accordingly, the invention is not limited to that particular embodiment, except as limited in the appended claims.

DESCRIPTION OF SYMBOLS 1 Main body unit 2 Microphone apparatus 3 Headphone 4 Music reproducing apparatus 5 Connection cord 11 Jack for microphones 12 Jack for headphones 13 Jack for accompaniment 15 Amplifier for microphones 16 Amplifier for headphones 17 Amplifier for accompaniment 18 Volume adjustment circuit 19 Echo adjustment circuit 21 Hood 22 Opening 23 Microphone body 25 Volume control knob 26 Echo control knob

Claims (2)

A main unit, a microphone device and headphones directly connected to the main unit, and a music playback device that has an earphone jack and is connected to the main unit via a connection cord connected to the earphone jack,
The microphone device comprises a hood that is in close contact with the periphery of the mouth and prevents leakage of a singing voice, and a microphone main body that is disposed at the innermost part of the hood, and is taken into the main body unit from the microphone device. A singing voice signal and an accompaniment voice signal taken into the main unit from the music playback device via the connection cord are simultaneously output from the headphone amplifier in the main unit to the headphones, thereby A single karaoke unit characterized in that in the headphones, the accompaniment from the music playback device and the singing voice from the microphone device can be heard simultaneously.   2. The person according to claim 1, wherein the music playback device includes at least a CD radio and cassette player having an earphone jack, a cassette player, a CD player and other players, a personal computer, a mobile phone, a smart phone, a portable digital recorder, and a television set. Karaoke unit.

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