WO2018227843A1 - Appareil pour demander des chansons - Google Patents

Appareil pour demander des chansons Download PDF

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Publication number
WO2018227843A1
WO2018227843A1 PCT/CN2017/107956 CN2017107956W WO2018227843A1 WO 2018227843 A1 WO2018227843 A1 WO 2018227843A1 CN 2017107956 W CN2017107956 W CN 2017107956W WO 2018227843 A1 WO2018227843 A1 WO 2018227843A1
Authority
WO
WIPO (PCT)
Prior art keywords
microphone
hanger
audio
display device
outwardly facing
Prior art date
Application number
PCT/CN2017/107956
Other languages
English (en)
Chinese (zh)
Inventor
张君莉
Original Assignee
张君莉
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 张君莉 filed Critical 张君莉
Publication of WO2018227843A1 publication Critical patent/WO2018227843A1/fr

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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/36—Accompaniment arrangements

Definitions

  • the utility model relates to the field of entertainment equipment, in particular to a point-singing device.
  • KTV entertainment venues are generally dedicated KTV entertainment venues, and there are also some applications that use mobile phones to record songs.
  • KTV entertainment venues are limited by venues, technology and other factors. They can only sing in specific areas, and the entertainment scenes are single.
  • software programs such as mobile phone recording songs are difficult to provide for many people due to lack of equipment size and sound quality.
  • the purpose of the utility model is to provide a point-singing device which can be flexibly placed in various occasions, and is suitable for the singing demand of various occasions.
  • the technical scheme of the utility model is as follows:
  • a karaoke device comprising a body suitable for vertical placement and a display device detachably connected to the body; the body is provided with a host for processing the sing data, a memory for storing the sing data, and An effector for preprocessing the audio signal received by the audio receiver, an audio playback device for outputting a click audio; and an audio receiver and controller coupled to the body signal.
  • the point-singing device of the utility model can be placed in various occasions such as a hotel, a restaurant, etc., so that the user can karaoke at any time without being restricted by the venue; and the display device can be removed from the body to facilitate the user to sing operating.
  • a first wireless connection module wirelessly connected to the display device is disposed in the body, and a second wireless connection module matched with the first wireless connection module is disposed in the display device.
  • the network is further provided with a network connection unit for connecting to the cloud server, and a monitoring module for monitoring the data processing process and transmitting the monitoring record to the cloud server through the network connection unit; the network connection unit
  • the network connection method can be various schemes such as a local area network, an internet or a WIFI network.
  • the display device is provided with a support assembly adapted to support it, or a suspension assembly adapted to suspend it.
  • the upper portion of the body is provided with a fixing device for fixing the display device to the upper portion of the body, and the fixing device cooperates with the support assembly or the suspension assembly.
  • the audio receiver is a wireless microphone, and a charging device capable of charging the wireless microphone is connected to the body.
  • the audio receiver is a microphone
  • the outside of the body is provided with a microphone hanger; the microphone hanger can be rotated from the outside to the inside around the body to accommodate the microphone hanger inside the body Or the microphone hanger can be pushed into the body to receive the microphone hanger inside the body.
  • the microphone hanger is provided with a bracket for supporting the microphone, and the bracket is provided with a trigger switch that can be pressed by the microphone, and the trigger switch is connected to the host signal.
  • the trigger switch may be in the form of pressure sensing, optical sensing, etc., and a switch may also be disposed on the microphone barrel.
  • a microphone hanger is disposed outside the body; the outwardly facing side of the microphone hanger is inclined at an angle of 60-75 degrees; the outwardly facing side of the microphone hanger and the outwardly facing side of the upper middle portion of the body Parallel; a middle portion of the outwardly facing side of the microphone hanger is provided with a bracket, the bracket being provided with a circular groove for supporting the microphone, the central axis of the circular groove and the outwardly facing side of the microphone hanger The angle between the angles is 5-10 degrees, the central axis of the circular groove intersects the lower portion of the outwardly facing side of the microphone hanger, and the elastic portion for protecting the tail end of the microphone is disposed at the intersection position; the bottom of the circular groove is set a trigger switch that is perpendicular to an outwardly facing side of the microphone pylon and linearly movable in a direction perpendicular to the outer side; the microphone squeezing the trigger when the microphone is placed on the microphone pylon a switch,
  • the microphone pylon has a magnetic component that provides an auxiliary positioning magnetic force for fixing the microphone.
  • the bottom of the body is provided with a roller and a support frame, and the roller and the support frame are provided with a damping device.
  • an external earphone bracket for placing an earphone is disposed outside the body, and the earphone carrier is rotatable from the outside toward the inside of the body to receive the earphone inside the body; or the earphone The bracket can be pushed into the interior of the body to receive the earphone inside the body.
  • the front portion of the body is provided with a detachable storage compartment, and the back of the body is provided with a back cover for closing the inside of the body;
  • the handle is symmetrically disposed on both sides of the body.
  • the controller includes a control knob disposed at an upper portion of the body; the control knob includes an effect knob for adjusting the sound effect of the effect, and a microphone volume knob for adjusting the volume of the microphone and music for adjusting the background music. Volume knob.
  • the point-singing device of the present invention further includes an image capturing device for taking a picture or recording a video, the camera device is connected to the host signal to realize live broadcast, video recording, and capture of the singer;
  • the device can be an external camera or a built-in camera.
  • the point-singing device of the utility model abandons the limitation of the traditional closed singing space, and can be flexibly placed in various occasions; and the display device can be separately removed, thereby expanding the use range of the user, and is suitable for hotels, restaurants, etc.
  • the space of the place; the integrated design can provide users with more convenient K-song method; it can also be placed in the event stage and other activities to provide more interactive ways for the audience or fans.
  • the body and the display device of the present invention may be wired or wirelessly connected; when the display device is a touch display screen, and a matching wireless connection module is disposed between the body and the display device, When the host and the display device are wirelessly connected, the click device greatly expands the range of the user's click operation.
  • the wireless connection can be WIFI, Bluetooth or 2.4G, etc.
  • the user can also connect to the host using the mobile phone.
  • the present invention can also perform a sing operation on the mobile phone end; the utility model can also provide a support component or a suspension component on the display device to realize various placement modes such as vertical placement, suspension placement, and table placement of the display device, thereby further facilitating the user.
  • the external microphone and earphone of the utility model can be wired or wireless, and can be stored inside the body to prevent loss; wherein the wireless microphone can be charged on the charging device of the body; and can also be in front of the body
  • the storage compartment of the department stores accessories such as microphone and cotton to ensure the user's health and safety.
  • the utility model can set the camera device to realize video interaction between multiple users and perform functions such as live broadcast, video recording and snapshot on the user, and can also share relevant videos on the network, thereby expanding the entertainment range of the user.
  • Figure 1 is a schematic structural view of a preferred embodiment of the point-singing device of the present invention.
  • Figure 2 is a schematic enlarged view of the bottom of the karaoke device
  • the present invention provides a chorus device comprising a body 1 adapted for vertical placement, a display device 2 detachably coupled to the body 1, and for receiving An audio receiver for singing audio and a controller for a click operation; the body 1 is provided with a host for processing the click data, a memory for storing the click data, and for preprocessing the audio receiver to receive An audio signal effect device, an audio playback device for outputting point-sound audio.
  • the display device 2 is placed on the body 1, the user can be manipulated before the click device; when the user needs to move or leave the body 1 for manipulation, the display device 2 can be separately removed for manipulation.
  • the display device 2 is preferably a touch display screen; the controller may be a control component or a touch button partially integrated on the display device 2, or may be a virtual control button on the touch display screen.
  • the display device 2 may be provided with a support assembly adapted to support it, or a suspension assembly adapted to suspend it.
  • the support component can be a support frame or a support base, etc.
  • the suspension component can be a card slot or a buckle, etc., so that the user can remove the display device 2 and place it in a more convenient position for a click operation.
  • the upper portion of the body 1 may be provided with a fixing device for fixing the display device 2 to the upper portion of the body 1.
  • the fixing device may cooperate with the support assembly or the suspension assembly to fix the display device 2 above the body 1.
  • the fixing device may be a straight-type chute, a plurality of positioning blocks or a clamping groove, etc.; for example, when the hanging component is a card slot, the fixing device can cooperate with the card slot to fix the display device 2
  • the upper part of the body 1 can be configured with other card slots or matching positioning blocks to make the positioning more accurate and the fixing effect more firm.
  • the signal transmission between the display device 2 and the body 1 may be a wired connection or a wireless connection; when it is a wireless connection, the body 1 is provided with the display device 2 wirelessly. a first wireless connection module connected, the display device 2 is provided with the first wireless connection module A second wireless connection module is provided.
  • the audio receiver or controller can also be wired or wirelessly connected to the host 1 or the display device 2.
  • the host 1 is wirelessly connected to the audio receiver or the controller
  • the body 1 is provided with a third wireless connection module that is wirelessly connected to the audio receiver or the controller, and the audio receiver or controller is also provided with a fourth wireless connection module that matches the third wireless connection module.
  • An existing connection manner such as WIFI, Bluetooth, or 2.4G wireless network may be adopted between the first wireless connection module and the second wireless connection module, and details are not described herein.
  • This wireless connection greatly expands the user's range of use and reduces the inconvenience caused by wired connections.
  • the audio receiver may be a wired or wireless microphone, or a built-in microphone; when the audio receiver is a wireless microphone, a charging device capable of charging the wireless microphone may be connected to the body 1.
  • the display device 2 can be a normal display or a touch screen display. In use, the user can learn the song selection information on the display device 2, and select the song through the touch screen, the controller or the mobile phone; after the song is selected, the audio playback device starts to play the song music, and the user can sing through the audio receiver. .
  • the singed audio information is pre-processed after being received by the effector; the processed audio information is transmitted to the host and played through the audio playback device; the audio playback device may be a headset, an external speaker, or The horn of the body 1 is included.
  • the audio information may be recorded as the click audio simultaneously with the karaoke music and stored in the memory.
  • a roller 41 and a support frame 42 may be disposed at the bottom of the body 1.
  • the roller 41 can facilitate the movement of the point device, and the body 1 can be fixed to the position by the support frame 42 when moved to a suitable position.
  • the support frame 42 is raised by the rotating screw, the roller 41 is placed on the ground; when it needs to be fixed, the support frame 42 is grounded by rotating the screw; or the roller with the fixed lock is required to be fixedly opened by the open lock Tightening the wheel.
  • the point-singing device of the utility model can be placed in a scene such as a hotel or a restaurant, and provides an instant K-song experience for the user at any time; at the same time, the system can be configured with a singing and scoring system, or can be placed on the stage of the competition or performance to score the game.
  • the utility model has the advantages of high mobility, small floor space and diversified installation methods.
  • the body 1 is further provided with a network connection unit for connecting to the cloud server, and for monitoring the data processing process and passing the monitoring record through The network connection unit sends the monitoring module to the cloud server.
  • the cloud server receives the abnormal monitoring record sent by the monitoring module, for example, the usage status of the user can be detected, when the singing time cannot be recorded, or the user clicks on the fault repair, help, etc., the cloud server can generate an alarm signal, prompting Maintenance personnel perform maintenance on the jukebox. If there are multiple singing devices connected to the cloud service
  • the information sent by the monitoring module to the cloud server further includes device flag information of the current juke device.
  • the sing-song device can also download the singing resources from the cloud server, such as singing audio, MTV video data, etc., and can also realize multi-person remote sing, or record the audio Uploading to the network; or wirelessly interacting with the karaoke device through the mobile phone, etc., can provide users with a variety of entertainment modes, and expand the entertainment range of the vocal device.
  • the cloud server such as singing audio, MTV video data, etc.
  • the point-singing device of the present invention can also be provided with a camera device for capturing or recording the user, etc., in combination with the network connection unit, the utility model can also realize live video or multi-person online video interaction, etc.
  • the captured photos or video resources can be uploaded to the server for users to save, download or share to social networks.
  • the camera device can also be used as a function trigger device of the security monitoring device or the vocal device.
  • the camera device can automatically record and save video information for a certain period of time. If an abnormal event occurs, the video can be searched according to the recorded video. Or when the camera detects that a user is approaching or using the click device, the user guide or advertisement is automatically played.
  • the camera device may be a built-in or external camera, and may be disposed on the display device 2 or on the body 1; preferably built in the display device 2, so that when the user removes the display device 2, the camera device can still be normally
  • the photographing and recording function is used; of course, it may be a separate external camera, or a camera may be separately disposed on the display device 2 and the body 1; if the multi-display device 2 is used, the camera may be separately configured on each display device 2.
  • the microphone pylon 5 can be disposed outside the body 1.
  • the microphone is removed from the microphone hanger 5; when not in use, the microphone head is snapped onto the microphone hanger 5.
  • the movable microphone hanger 6 is disposed outside the body 1; specifically, the microphone hanger 5 can be rotated from the outside to the inside of the body 1 to accommodate the microphone hanger 5 in the interior of the body 1; Alternatively, the microphone hanger 5 can be pushed into the body 1 to house the microphone hanger 5 inside the body 1.
  • the microphone can be housed inside the body 1 by the aforementioned rotation or displacement, to prevent loss or damage, and to be transferred out or pulled out during use.
  • the rotating structure of the microphone hanger 5 can be similar to the existing door shaft rotating structure, that is, the side of the microphone hanger 5 is hinged to the outside of the body 1, and the microphone is suspended from one side of the microphone hanger 5, when in use, Sideways outward; when not in use, the side is rotated into the interior of the body 1 by hinges.
  • the pushing mechanism can be similar to the drawer type slide rail.
  • the bottom or top of the microphone hanger 5 is slidably fixed to the slide rail, and is pulled out from the slide rail when in use, and pushed into the interior of the body 1 when not in use.
  • the act of triggering the operating state of the singer may be for the user to trigger the controller, or to click on the display device 2 with the touch screen, or to pick up the action of the microphone, or through an optical, infrared light sensor. If the user picks up the microphone, the click device is triggered to enter the singing state, and can be set on the microphone hanger 5 for Supporting a bracket for the microphone, the bracket is provided with a trigger switch that can be pressed by the microphone, and the trigger switch is connected to the host signal.
  • the trigger switch may be a hook switch, or a matching structure of a hook switch and a common rotating member, or a sensor with gravity sensing.
  • the microphone pylon 5 has a fixed portion adapted to provide the microphone with an oblique angle or a tiltable angle with respect to a horizontal plane.
  • the body 1 has an oblique structure on both sides.
  • the angle of inclination of the ear structures on both sides with respect to the horizontal plane may be between 60° and 80°.
  • the microphone hanger 5 may have a magnetic component for providing the auxiliary positioning magnetic force for fixing the microphone; when the user brings the microphone close to the microphone hanger 5, the magnetic component generates magnetic attraction to the microphone, so that the microphone Automatically leans against the microphone hanger 5 for suspension.
  • the outer side of the microphone hanger 5 is inclined at an angle of 60-75 degrees to facilitate user access; the outwardly facing side of the microphone hanger 5 and the outwardly facing side of the upper portion of the body 1 Parallel; a middle portion of the outwardly facing side of the microphone hanger 5 is provided with a bracket for supporting the microphone, the bracket is provided with a circular groove for supporting the microphone, and the central axis of the circular groove is hung with the microphone
  • the angle between the outwardly facing sides of the frame 5 is 5-10 degrees, the central axis of the circular groove intersects the lower portion of the outwardly facing side of the microphone hanger 5, and the elastic portion for protecting the tail end of the microphone is disposed at the intersection
  • the microphone head is located in the circular groove, and the rear end of the microphone may touch the lower portion of the microphone hanger 5, and the elastic member can reduce the microphone tail and the microphone hanger a touch between 5 to avoid damage to the microphone and scratching of the friction portion;
  • the bottom of the circular groove is provided
  • the host When the host is disconnected from the microphone, it indicates that the microphone for the K song has been placed on the body 1, the host can automatically enter the standby state, and the display device 2 displays the standby advertising interface; when the host is connected with the microphone signal, It indicates that the user has taken out the microphone, and the host can automatically enter the song-song interface.
  • the specific actions of the host and the microphone interrupt connection and the signal connection trigger may be set according to specific conditions.
  • a damper device is disposed, and the electronic components inside the body 1 are disposed on the damper device to reduce the influence of vibration on the internal electronic components and wiring of the body 1.
  • the damping device may be a shock absorber, a plurality of springs, or a mat or sheet filled with a cushioning filler.
  • the outside of the body 1 is also provided with a headphone holder 6 for placing headphones.
  • the earphone cradle 6 can be set to be movable for facilitating storage of the earphone or preventing the earphone from being lost.
  • the earphone cradle 6 can be rotated from the outside toward the inside around the body 1 to The earphone is housed inside the body 1; or the earphone bracket 6 can be pushed into the outside of the body 1 to receive the earphone inside the body 1.
  • the earphone and the microphone can also be removed and placed in a special storage device.
  • the front portion of the body 1 is provided with a storage compartment 7; when the cover of the storage compartment is covered, it is flush with the front of the body 1 to maintain the overall aesthetic appearance.
  • the storage compartment 7 can be provided with different internal space shapes according to the components to be stored, for example, a storage slot suitable for the earphone or a storage slot suitable for the microphone; and a storage slot suitable for placing the microphone cotton so that the user can change the microphone before singing. Cotton, to ensure the cleanliness of K songs between different users.
  • the back of the body 1 is provided with an openable back cover. A lock is arranged on the back cover to prevent the loss of the electronic components in the body 1 and the safety of the user's electricity.
  • the earphone and the microphone are wired microphones and wired earphones, the external wiring is easily pulled and the wiring is pulled out, fallen off, or the contact failure is faulty, thereby causing the loss of the earphone or the microphone or the click device cannot be used normally;
  • the terminal end of the earphone and the microphone can be disposed inside the body 1 or be stuck inside the body 1.
  • the outlet can be made of soft material or a device for reducing friction and protecting the wire.
  • the controller may include a touch screen disposed on the display device 2, and may further include a control knob 3 disposed at an upper portion of the body 1; the control knob 3 includes an effect knob for adjusting the sound effect of the effect, and A microphone volume knob that adjusts the volume of the microphone and a music volume knob that adjusts the size of the background music.
  • the effect knob can adjust the pitch and effect of the user singing, and the microphone volume knob cooperates with the music volume knob to achieve optimal configuration of the background music and the user's original sound.
  • a module connected to the portable device may be disposed in the controller, the display device 2 or the host 1 to be operated by a device such as a wireless remote controller, a mobile phone, a tablet computer or the like.
  • the handle 8 may be symmetrically disposed on both sides of the body 1. Mobile At this time, it is possible to move the bottom yoke 41 or lift the singer by the handle 8 to move the singer on a step, an uneven floor or the like.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)

Abstract

La présente invention concerne un appareil pour demander des chansons, comprenant un corps de machine (1) approprié pour être placé verticalement, et un appareil d'affichage (2) relié de façon amovible au corps de machine, dans lequel un hôte utilisé pour traiter des données de demande de chanson, une mémoire utilisée pour stocker des données de demande de chanson, un dispositif d'effet utilisé pour prétraiter des signaux audio reçus par un récepteur audio et un appareil de lecture audio utilisé pour délivrer en sortie un signal audio de demande de chanson sont disposés dans le corps de machine. L'appareil comprend en outre un récepteur audio et un dispositif de commande qui sont en connexion de signal avec le corps de machine. L'appareil pour demander des chansons élimine les limitations d'un espace de chant clos conventionnel, et peut être placé de façon flexible pour de multiples occasions, et l'appareil d'affichage peut être retiré séparément, de façon à étendre une plage d'utilisation d'utilisateurs, et étant adapté pour des espaces de lieux tels qu'un hôtel et un restaurant. La conception intégrée peut apporter un mode de chant plus pratique pour les utilisateurs, et peut être placée à des emplacements d'activité, tels qu'une scène de compétition, pour permettre plus de modes d'interaction pour des publics et des fans.
PCT/CN2017/107956 2017-06-16 2017-10-27 Appareil pour demander des chansons WO2018227843A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201720708246.3 2017-06-16
CN201720708246.3U CN207199290U (zh) 2017-06-16 2017-06-16 点唱装置

Publications (1)

Publication Number Publication Date
WO2018227843A1 true WO2018227843A1 (fr) 2018-12-20

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ID=61784151

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Application Number Title Priority Date Filing Date
PCT/CN2017/107956 WO2018227843A1 (fr) 2017-06-16 2017-10-27 Appareil pour demander des chansons

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Country Link
CN (1) CN207199290U (fr)
WO (1) WO2018227843A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112802414A (zh) * 2019-11-14 2021-05-14 广州艾美网络科技有限公司 文娱互动设备及文娱互动平台
CN112822385A (zh) * 2021-03-15 2021-05-18 东莞市尚乐照明科技有限公司 一种具有ai互动的摄影仪及其网络分享系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1825428A (zh) * 2005-02-25 2006-08-30 雅马哈株式会社 无线终端装置和卡拉ok系统
CN202930020U (zh) * 2012-11-30 2013-05-08 黄夔宁 无线ktv点播系统
CN203104722U (zh) * 2013-03-21 2013-07-31 蒋小辉 方便点歌的麦克风
CN203813923U (zh) * 2014-04-04 2014-09-03 祁国祥 具电子乐器功能的掌上ktv麦克风
CN104157279A (zh) * 2014-08-22 2014-11-19 苏州乐聚一堂电子科技有限公司 带摄像头的ktv增强点歌系统
CN206116009U (zh) * 2016-10-25 2017-04-19 广州市唛秀电子科技有限公司 一种智能互联网录音房的点唱机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1825428A (zh) * 2005-02-25 2006-08-30 雅马哈株式会社 无线终端装置和卡拉ok系统
CN202930020U (zh) * 2012-11-30 2013-05-08 黄夔宁 无线ktv点播系统
CN203104722U (zh) * 2013-03-21 2013-07-31 蒋小辉 方便点歌的麦克风
CN203813923U (zh) * 2014-04-04 2014-09-03 祁国祥 具电子乐器功能的掌上ktv麦克风
CN104157279A (zh) * 2014-08-22 2014-11-19 苏州乐聚一堂电子科技有限公司 带摄像头的ktv增强点歌系统
CN206116009U (zh) * 2016-10-25 2017-04-19 广州市唛秀电子科技有限公司 一种智能互联网录音房的点唱机

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