WO2019148425A1 - Tambour électronique - Google Patents

Tambour électronique Download PDF

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Publication number
WO2019148425A1
WO2019148425A1 PCT/CN2018/074955 CN2018074955W WO2019148425A1 WO 2019148425 A1 WO2019148425 A1 WO 2019148425A1 CN 2018074955 W CN2018074955 W CN 2018074955W WO 2019148425 A1 WO2019148425 A1 WO 2019148425A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
module
target
processing unit
unit
Prior art date
Application number
PCT/CN2018/074955
Other languages
English (en)
Chinese (zh)
Inventor
赵广辉
Original Assignee
捷永广建电子（深圳）有限公司
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 捷永广建电子（深圳）有限公司 filed Critical 捷永广建电子（深圳）有限公司
Priority to PCT/CN2018/074955 priority Critical patent/WO2019148425A1/fr
Publication of WO2019148425A1 publication Critical patent/WO2019148425A1/fr

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Classifications

    • 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
    • G10H3/00—Instruments in which the tones are generated by electromechanical means
    • G10H3/12—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument

Definitions

  • the invention belongs to the field of music instruments, and in particular relates to an electronic drum.
  • the conventional electronic drum detects the user's operation of tapping the drumhead through the sensor, and generates a corresponding signal according to the operation and pushes the speaker to work, and emits a corresponding drum sound.
  • the function of the existing electronic drum only has the basic functions of a striking musical instrument, and has a single function.
  • the technical problem to be solved by the present invention is to provide an electronic drum, which aims to solve the problem of the single function of the existing electronic drum.
  • an electronic drum comprising a signal processing unit, and a signal receiving unit, a signal detecting unit, a signal selecting unit and a signal playing unit respectively connected to the signal processing unit;
  • the signal receiving unit is configured to receive an audio signal, and send the audio signal to the signal processing unit;
  • the signal detecting unit is configured to detect an operation signal, and send the detected operation signal to the signal processing unit, where the operation signal includes a contact signal and a pressure signal of an electronic drum surface;
  • the signal selection unit is configured to receive a selection instruction, acquire a target mode in the selection instruction, and send the target mode to the signal processing unit, where the target mode includes an audio mode, an electronic drum mode, or a mixed mode ;
  • the signal processing unit is configured to process the contact signal and the pressure signal according to a preset processing mode to obtain an electronic drum signal, and process the audio signal and the electronic drum signal according to the target mode, Obtaining a target signal corresponding to the target mode, and transmitting the target signal to the signal playing unit;
  • the signal playing unit is configured to play the target signal.
  • the signal receiving unit includes:
  • a wired receiving module coupled to the signal processing unit, comprising a plurality of audio input interfaces for receiving an audio signal through the audio input interface, and transmitting the audio signal to the signal processing unit;
  • the wireless receiving module is connected to the signal processing unit for receiving an audio signal by using a wireless communication protocol, and amplifying the audio signal and transmitting the audio signal to the signal processing unit.
  • the signal detecting unit includes:
  • a contact detecting module connected to the signal processing unit, for detecting a contact operation, and transmitting the detected contact signal to the signal processing unit;
  • a pressure detecting module connected to the signal processing unit for detecting a pressure signal and transmitting the detected pressure signal to the signal processing unit.
  • the signal detecting unit further includes a signal adjusting module
  • a contact detecting module connected to the signal adjusting module, configured to detect a contact operation, and send the detected contact signal to the signal adjusting module;
  • a pressure detecting module coupled to the signal conditioning module, for detecting a pressure signal, and transmitting the detected pressure signal to the signal conditioning module;
  • the signal adjustment module is connected to the signal processing unit for receiving a signal adjustment command, adjusting the size of the contact signal and the pressure signal according to the signal adjustment command, and adjusting the contact signal and pressure A signal is sent to the signal processing unit.
  • the signal selection unit includes:
  • An operation selection module is connected to the signal processing unit for providing a plurality of operation options, and receiving a selection instruction, and after acquiring the target mode in the selection instruction, transmitting the target mode to the signal processing unit;
  • a signal display module configured to be connected to the signal processing unit, configured to display information of the target signal according to a preset display manner, where the information of the target signal includes target mode and volume size information of the target signal;
  • a volume adjustment module coupled to the signal processing unit, configured to receive a volume adjustment command, and send the volume adjustment command to the signal processing unit, so that the signal processing unit adjusts the sound according to the volume adjustment instruction Depressing the volume of the target signal and transmitting the adjusted target signal to the signal playing unit.
  • the signal processing unit includes a first processing module, a second processing module, a mixing module, an analog-to-digital conversion module, and a power amplification module;
  • the first processing module is respectively connected to the signal selection unit, the mixing module, and the power amplification module, for receiving a selection instruction, acquiring a target mode in the selection instruction, and the target
  • the mode is sent to the mixing module, and is further configured to receive the volume adjustment instruction, and send the volume adjustment instruction to the power adjustment module;
  • the second processing module is respectively connected to the signal detecting unit and the mixing module, and is configured to process the contact signal and the pressure signal according to a preset processing mode to obtain an electronic drum signal, and Transmitting an electronic drum signal to the mixing module;
  • the mixing module is respectively connected to the analog-to-digital conversion module and the signal receiving unit, and configured to process the audio signal and the electronic drum signal according to the target mode to obtain the target mode. a target analog signal, and transmitting the target analog signal to the analog to digital conversion module;
  • the analog-to-digital conversion module is connected to the power amplification module, and is configured to perform analog-to-digital conversion on the target analog signal to obtain a target digital signal, and then send the target digital signal to the power amplification module;
  • the power amplification module is connected to the signal playing unit, and configured to perform power amplification on the target digital signal to obtain a target signal of preset power, and send the target signal to the signal playing unit. And configured to obtain power adjustment information in the volume adjustment command, adjust power of the target signal according to the power adjustment information, and send the power adjusted target signal to the signal playing unit.
  • first processing module and the power amplification module are connected by an I 2 C serial bus.
  • the signal playing unit includes a plurality of speakers
  • the speaker is configured to process the target signal and play the processed target signal.
  • the present invention has the beneficial effects that the electronic drum provided by the embodiment of the present invention receives the audio signal and detects the operation signal, and the operation signal includes the contact signal and the pressure signal of the electronic drum surface, according to the user's selection instruction. Obtain a corresponding target mode, and process the audio signal and the operation signal according to the target mode to obtain a target signal.
  • the electronic drum provided by the embodiment of the invention can not only realize the striking musical instrument function of the electronic drum, but also provide various functions, and realize the mixing function of the sound function, the sound and the electronic drum according to the user's selection operation, etc., to meet the different needs of the user. .
  • FIG. 1 is a schematic structural view of an electronic drum according to an embodiment of the present invention.
  • FIG. 2 is a detailed structural diagram of an electronic drum according to another embodiment of the present invention.
  • FIG. 1 shows an electronic drum provided by the present invention, comprising a signal processing unit 1, a signal receiving unit 2 connected to the signal processing unit 1, a signal detecting unit 3, a signal selecting unit 4 and a signal playing unit 5;
  • the signal receiving unit 2 is configured to receive an audio signal, and send the audio signal to the signal processing unit 1;
  • a signal detecting unit 3 configured to detect an operation signal, and send the detected operation signal to the signal processing unit 1, the operation signal comprising a contact signal and a pressure signal;
  • the signal selection unit 4 is configured to receive a selection instruction, acquire a target mode in the selection instruction, and send the target mode to the signal processing unit 1, the target mode including an acoustic mode, an electronic drum mode, and a hybrid mode;
  • the signal processing unit 1 is configured to process the contact signal and the pressure signal according to a preset processing mode to obtain an electronic drum signal, and process the audio signal and the electronic drum signal according to the target mode to obtain The target signal corresponding to the target signal, and the target signal is sent to the signal playing unit 5;
  • the signal playing unit 5 is configured to play the target signal.
  • the signal receiving unit 2 includes:
  • the wired receiving module 21 is connected to the signal processing unit 1 and includes a plurality of audio input interfaces for receiving an audio signal through the audio input interface and transmitting the audio signal to the signal processing unit 1.
  • a smart phone, a tablet computer, a notebook computer, a desktop computer, a music player, a smart TV, or other signal input device having an audio playback function transmits an audio signal to the wired receiving module through an audio input interface provided by the wired receiving module 21.
  • the audio input interface includes a USB interface (Universal Serial Bus), an HDMI interface (High Definition Multimedia Interface), etc., and can include music accompaniment, drum sound, and sound source signals through an audio input interface.
  • the iso audio signal is sent to the wired receiving module 21.
  • the wireless receiving module 22 is connected to the signal processing unit 1 for receiving an audio signal through a wireless communication protocol, and amplifying the audio signal and transmitting the audio signal to the signal processing unit 1.
  • the wireless receiving module 22 can be connected to the signal input device by using Bluetooth, WiFi, GPRS or other means.
  • the receiving signal input device can transmit through the Bluetooth.
  • the audio signal transmitted by the protocol, and the received audio signal is sent to the signal processing unit 1.
  • the signal detecting unit 3 includes:
  • the contact detecting module 31 is connected to the signal processing unit for detecting a contact operation and transmitting the detected contact signal to the signal processing unit. Specifically, in practical applications, the contact detecting module 31 can realize the above functions through the contact sensor, and its working principle is to detect the position where the user touches the electronic drum surface, and the position information is sent to the signal processing unit 1 as a contact signal.
  • the pressure detecting module 32 is connected to the signal processing unit for detecting a pressure signal and transmitting the detected pressure signal to the signal processing unit. Specifically, in practical applications, the pressure detecting module 32 can implement the above functions through a pressure sensor, and the working principle is to detect the pressure of the position where the user touches the electronic drum surface, and send the pressure as a pressure signal to the signal processing. Unit 1.
  • the signal detecting unit 3 further includes a signal adjusting module 33 connected to the contact detecting module 31, the pressure detecting module 32 and the signal processing unit 1, respectively. Receiving the signal adjustment command, adjusting the contact signal sent by the detecting module 31 and the pressure signal sent by the pressure detecting module 32 according to the signal adjusting command, and transmitting the adjusted contact signal and the pressure signal to the signal processing unit 1.
  • the signal selection unit 4 includes:
  • the operation selection module 41 is connected to the signal processing unit 1 for providing a plurality of operation options, and receives the selection instruction. After acquiring the target mode in the selection instruction, the target mode is sent to the signal processing unit 1. Specifically, in an actual application, the embodiment provides an option including an audio, an electronic drum, a hybrid, and the like, each option corresponding to a target mode. When the user selects an audio option, the corresponding target mode is an audio mode, and the sound mode is The electronic drum provided by the embodiment implements the function of the sound, that is, the electronic drum receives the audio signal input by the signal input device, and processes the audio signal to play the processed audio signal.
  • the corresponding target mode is an electronic drum mode, which means that all functions of the electronic drum can be realized in this embodiment.
  • the embodiment provides that the electronic drum will detect the contact operation of the user, and The position and pressure of the user's contact are determined according to the contact operation, and the tone, tone, size, and the like of the drum sound are determined according to the position of the contact and the pressure of the contact to produce an effect of the electronic drum.
  • the mixing option corresponds to the mixing mode, and the mixing mode refers to the mixing of the electronic drum and the sound.
  • the operation selection module 41 can implement the function of providing an option through a simple mechanical button, and can also implement the above function through a touch screen with an option function, which is not specifically limited herein.
  • the signal display module 42 is connected to the signal processing unit 1 for displaying information of the target signal according to a preset display manner, and the information of the target signal includes target mode and volume size information of the target signal. Specifically, after the signal processing unit 1 obtains the target signal, the information of the target signal is sent to the signal display module 42, and the signal display module 42 displays the information of the target signal according to a preset display manner. More specifically, the signal display module 42 can implement the above functions through the LED display.
  • volume adjustment module 43 coupled to the signal processing unit 1 for receiving a volume adjustment command and transmitting the volume adjustment command to the signal processing unit 1 to cause the signal processing unit 1 to adjust the target according to the volume adjustment command
  • the volume of the signal is sent, and the adjusted target signal is sent to the signal playback unit 5.
  • the volume adjustment module 43 can implement the function of volume adjustment through a mechanical adjustment button, and can also implement the above function by using a touch screen that provides a volume adjustment option, which is not limited herein.
  • the operation selection module 41, the signal display module 42 and the volume adjustment module 43 can be integrated on the same component to implement the above functions, such as a touch screen with a touch function and a display function. Can achieve the above functions.
  • the signal processing unit 1 includes a first processing module 11, a second processing module 12, a mixing module 13, an analog to digital conversion module 14, and a power amplification module 15;
  • the first processing module 11 is connected to the signal selection unit 4, the mixing module 13 and the power amplification module 15, respectively, for receiving a selection instruction, acquiring a target mode in the selection instruction, and transmitting the target mode to the hybrid
  • the sound module 13 is further configured to receive the volume adjustment instruction, and send the volume adjustment instruction to the power adjustment module 15.
  • the first processing module 11 is an MCU microprocessor.
  • the second processing module 12 is respectively connected to the signal detecting unit 2 and the mixing module 13 for processing the contact signal and the pressure signal according to a preset processing mode to obtain an electronic drum signal, and the electronic drum is The signal is sent to the mixing module 13.
  • the second processing module 12 is a sound source chip.
  • the mixing module 13 is respectively connected to the analog-to-digital conversion module 14 and the signal receiving unit 2, and is configured to process the audio signal and the electronic drum signal according to the target mode to obtain a target simulation of the target mode. Signaling and transmitting the target analog signal to analog to digital conversion module 14. Specifically, the processing of the audio signal and the electronic drum signal by the mixing module 13 includes an original sound processing and a mixing processing, and the original sound processing is to perform noise reduction, correction, and the like on the audio signal or the electronic drum signal, and the output is processed.
  • the electronic drum provided in this embodiment can be simply used as an audio or electronic drum, and the mixing processing is to mix the audio signal and the electronic drum signal together to obtain
  • the target analog signal of the preset reverberation effect in the case of using the mixing process, the electronic drum provided in this embodiment can be used as a mixing device of "audio + electronic drum".
  • the analog-to-digital conversion module 14 is connected to the power amplification module 15 for performing analog-to-digital conversion of the target analog signal to obtain a target digital signal, which is then sent to the power amplification module 15;
  • the power amplifying module 15 is connected to the signal playing unit 5, and is configured to perform power amplification on the target digital signal to obtain a target signal of preset power, and send the target signal to the signal playing unit 5, and is also used for Obtaining power adjustment information in the volume adjustment command, adjusting power of the target signal according to the power adjustment information, and transmitting the power adjusted target signal to the signal playing unit 5. Specifically, after receiving the target digital signal, the power amplifying module 15 performs power amplification on the target digital signal according to a preset amplification factor to obtain a preset target signal, and sends the target signal to the signal playing unit 5, At the same time, in the process of playing the target signal by the signal playing unit 5, the user can adjust the volume of the playing at any time.
  • the power amplifying module 15 When the power amplifying module 15 receives the volume adjusting command, the power adjusting information in the volume adjusting command is adjusted to adjust the output target.
  • the power of the signal to achieve the purpose of adjusting the volume Specifically, in the signal processing unit 1, the first processing module 11 and the power amplifying module 15 are connected by an I 2 C serial bus.
  • the signal playback unit 5 includes a plurality of speakers
  • the speaker is configured to process the target signal and play the processed target signal.
  • the signal playing unit 5 includes two speakers with a resistance of 4 ohms and a speaker with a resistance of 8 ohms, and two 4 ohm speakers plus an 8 ohm speaker can realize a 2:1 surround. stereo.
  • the electronic drum needs to use a power source for driving the power amplifying module 15 to operate the power amplifying module 15 under a stable voltage.
  • the power amplifying module 15 operates from an external power source and a built-in battery. Power is supplied, and the voltage of the built-in battery output is boosted to a fixed voltage of 18 V by the booster, and then supplied to the power amplifying module 15.
  • the built-in battery When the built-in battery is low, the built-in battery can be charged by the charger. In this embodiment, the built-in battery is charged by the charger by using the 18V 2A charging power source by default.
  • the power amplifying module 15 can be powered by the built-in battery, so that it can be directly powered by the 18V 2A charging power supply. In this embodiment, the built-in battery is used to charge the output voltage through the booster.
  • the power amplifying module 15 is powered up to 18V.
  • the electronic drum provided by the invention can realize the functions including an audio, an electronic drum, an electronic drum + an audio, and at the same time, by detecting the position and pressure of the user contact, and generating corresponding electronic drum sounds according to the contact information and the pressure information, and The electronic drum sound is transmitted to the mixing module for marriage, so as to avoid receiving the drum sound by the microphone in the prior art, the receiving drum sound has a large distortion and a large noise due to the receiving environment.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

Un tambour électronique comprend : une unité de réception de signal (2) utilisée pour recevoir un signal audio et pour transmettre ledit signal audio à une unité de traitement de signal (1); une unité de détection de signal (3) utilisée pour détecter un signal d'opération et pour transmettre ledit signal d'opération à l'unité de traitement de signal (1); une unité de sélection de signal (4) utilisée pour recevoir une instruction de sélection, obtenir un mode cible dans l'instruction de sélection, et pour transmettre ladite instruction de sélection à l'unité de traitement de signal (1); et l'unité de traitement de signal (1) utilisée pour traiter un signal de contact et un signal de pression selon un mode de traitement prédéfini afin d'obtenir un signal de tambour électronique, traiter le signal audio et le signal de tambour électronique selon le mode cible, de façon à obtenir un signal cible, et envoyer celui-ci à une unité de lecture de signal (5) pour lire le signal cible. Le tambour électronique a toutes les fonctions d'un instrument à percussion, et est en outre pourvu de multiples fonctions, tel qu'une fonction de haut-parleur exécutée selon une opération de sélection d'un utilisateur, ou un haut-parleur intégré et une fonction de percussions électroniques, etc, répondant ainsi à différentes exigences des utilisateurs.
PCT/CN2018/074955 2018-02-01 2018-02-01 Tambour électronique WO2019148425A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/074955 WO2019148425A1 (fr) 2018-02-01 2018-02-01 Tambour électronique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/074955 WO2019148425A1 (fr) 2018-02-01 2018-02-01 Tambour électronique

Publications (1)

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WO2019148425A1 true WO2019148425A1 (fr) 2019-08-08

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PCT/CN2018/074955 WO2019148425A1 (fr) 2018-02-01 2018-02-01 Tambour électronique

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WO (1) WO2019148425A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204189431U (zh) * 2014-10-29 2015-03-04 天津市津宝乐器有限公司 三合一鼓
CN204740848U (zh) * 2015-05-26 2015-11-04 天津优尼柯乐器有限公司 新型多功能打击乐器
CN105828247A (zh) * 2016-05-20 2016-08-03 宁波音王电声股份有限公司 一种多功能电子鼓娱乐系统
US20170249930A1 (en) * 2016-02-26 2017-08-31 Yamaha Corporation Electronic percussion controller, instrument and method
CN107424593A (zh) * 2017-08-25 2017-12-01 广州彩磁信息技术有限公司 一种区域划动触控式曲面立体扬声器阵列的数码乐器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204189431U (zh) * 2014-10-29 2015-03-04 天津市津宝乐器有限公司 三合一鼓
CN204740848U (zh) * 2015-05-26 2015-11-04 天津优尼柯乐器有限公司 新型多功能打击乐器
US20170249930A1 (en) * 2016-02-26 2017-08-31 Yamaha Corporation Electronic percussion controller, instrument and method
CN105828247A (zh) * 2016-05-20 2016-08-03 宁波音王电声股份有限公司 一种多功能电子鼓娱乐系统
CN107424593A (zh) * 2017-08-25 2017-12-01 广州彩磁信息技术有限公司 一种区域划动触控式曲面立体扬声器阵列的数码乐器

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