Original sound shelf drum rotation digitalization and processing system thereof
阅读说明：本技术 一种原声架子鼓转数字化及其处理系统 (Original sound shelf drum rotation digitalization and processing system thereof ) 是由 王诺 于 2020-06-22 设计创作，主要内容包括：本发明公开了一种原声架子鼓转数字化及其处理系统,包括发音器,拾音器、接收器或计算机；所述的发音器包括鼓和镲,所述的鼓包括军鼓、底鼓、3个通鼓；所述的镲包括踩镲、2个吊镲、叮叮镲；所述的拾音器包括开关电路、电池、比较器、嵌入式处理器、通信接口；与现有技术相比,本发明的有益效果为：可以将声音信号转换成数字信息传给计算机；不影响架子鼓原有音色；不改变架子鼓打击手感；不受外界声音信号干扰；可以使用软件进行趣味化教学；可以同时对多人进行教学；可以开展远程教学；不需要使用录音设备即可编辑音乐；可以应用于架子鼓考试,让考评更加客观。(The invention discloses an acoustic drum-drum rotation digitalization and processing system, which comprises a sound generator, a sound pick-up, a receiver or a computer; the sound organ comprises a drum and a cymbal, wherein the drum comprises a snare drum, a base drum and 3 through drums; the small cymbals comprise a hi-hat, 2 high cymbals and a Ding cymbal; the pickup comprises a switch circuit, a battery, a comparator, an embedded processor and a communication interface; compared with the prior art, the invention has the beneficial effects that: the sound signal can be converted into digital information to be transmitted to a computer; the original timbre of the drum set is not influenced; the beating hand feeling of the drum set is not changed; the device is not interfered by external sound signals; interesting teaching can be performed by using software; a plurality of people can be simultaneously taught; remote teaching can be carried out; music can be edited without using a recording device; the method can be applied to the examination of the drum kit, and the examination and evaluation is more objective.)
1. A digital and processing system for the drum rotation of an acoustic stand is characterized in that: comprises a sound emitter, a sound pickup, a receiver or a computer;
the sound organ comprises a drum and a cymbal, wherein the drum comprises a snare drum, a base drum and 3 through drums; the small cymbals comprise a hi-hat, 2 high cymbals and a Ding cymbal;
the pickup comprises a switch circuit, a battery, a comparator, an embedded processor and a communication interface;
the number of the comparators is 9, the front ends of the comparators are respectively connected with a drum and a small cymbal in the sound generator through circuits, the rear ends of the comparators are connected to an IO pin of the embedded processor, the IO pin is provided with a function of falling edge interruption, and when the level on the IO pin is changed from high level to low level, the IO pin is captured by the processor, so that the corresponding sound generator is identified; the other end of the embedded processor is transmitted to a signal receiver or a computer through a communication interface;
the drum-head and small cymbals are linked with the corresponding positive end of the pickup signal, all the positive ends of the pickup signal are pulled up to the high level through resistors, the stick is directly linked with the negative end of the pickup signal through the human body, the negative end of the pickup signal is directly connected to the low level, when the stick strikes the drum-head or small cymbals, the corresponding pickup signal is connected to the low level through the stick-body, so that the pickup signal level is pulled down.
2. The system for digitizing and processing an acoustic drum set according to claim 1, wherein: a layer of conductive adhesive tape or conductive paint with the thickness less than 0.1mm is pasted or sprayed on the drum surface of the drum in the sound generator; or adding metal powder in the drum head production stage to make the drum head conductive; a layer of conductive adhesive tape or conductive paint with the thickness less than 0.1mm is pasted or sprayed on the cymbal of the cymbal in the sounder; or to customize cymbals that are not oxidized or painted with an insulating paint.
3. The system for digitizing and processing an acoustic drum set according to claim 1, wherein: the pickup outputs 9 high level signals and two low level signals, and the high level signals are respectively connected with a hi-hat, a hanging hi-hat 2, an army drum, a through drum 1, a through drum 2, a through drum 3, a hanging hi-hat 1, a biting hi-hat and a bottom drum; the low level signal is respectively connected with the human body and the bottom drum stick.
4. The system for digitizing and processing an acoustic drum set according to claim 1, wherein: the communication interface is a midi port or a serial port or a USB port or a serial port or wireless transmission.
5. A digital electronic drum kit and handling system thereof according to claim 1, wherein: the battery is used for supplying power for two 3.7V lithium ion batteries in series, and the power supply voltage range is 7V-8.4V.
6. The system for digitizing and processing an acoustic drum set according to claim 1, wherein: the processing method comprises the following steps:
the method comprises the following steps: when the drum set does not have any action, all the sound pickup signals are in a high level, and the embedded processor considers that no sound pickup is knocked;
step two: when a sound organ is knocked and the drumstick does not leave the sound organ, the level of a pickup signal corresponding to the sound organ is pulled down so as to be recognized by the embedded processor;
step three: when the drumstick leaves the struck sounder, all the microphone signals return to high level again.
Technical Field
The invention relates to a musical instrument, in particular to an acoustic drum rotation digitalization and processing system thereof.
Background
Rock music (Rock) is popular in the middle of the 20 th century, namely, strong whirlwind is lifted in the world, and the Rock is rapidly becoming an indispensable combined percussion instrument in Rock music due to the varied multi-end rhythm of the drum set and the superior playing skill of the drummer. In China, along with the progress of society and the improvement of living standard of people, people have a demand for self-entertainment music. Rock music and popular songs gradually become a part of people's cultural life, and drum stands also belong to popular musical instruments and are particularly popular with teenagers and friends. With the rapid development of information technology, people hope that the drum kit can be connected with a computer, so that teaching activities, music editing, even remote interaction and the like can be performed through software, and the demand for digitalization of the drum kit is stronger and stronger. It is with these digitization requirements that electronic drums have come into play. However, the electronic drum can not provide real knocking hand feeling for drummers, and the drum surface elasticity is not as good as that of an original sound drum; the sound difference of the drumhead area cannot be reflected, and the desired tone feedback cannot be obtained; the sound is dead, and except for a part of high-end electric drums, the sensor effect of most electric drums is common, so that the emitted sound is monotonous and lacks of change.
Disclosure of Invention
In order to solve the problems, the invention provides a system for digitizing and processing an acoustic drum.
The invention relates to a technical scheme of an acoustic drum-to-drum digitalization and processing system, which comprises the following steps: a digital and processing system for the drum rotation of an acoustic stand comprises a sound generator, a sound pick-up, a receiver or a computer;
the sound organ comprises a drum and a cymbal, wherein the drum comprises a snare drum, a base drum and 3 through drums; the small cymbals comprise a hi-hat, 2 high cymbals and a Ding cymbal;
the pickup comprises a switch circuit, a battery, a comparator, an embedded processor and a communication interface;
the number of the comparators is 9, the front ends of the comparators are respectively connected with a drum and a small cymbal in the sound generator through circuits, the rear ends of the comparators are connected to an IO pin of the embedded processor, the IO pin is provided with a function of falling edge interruption, and when the level on the IO pin is changed from high level to low level, the IO pin is captured by the processor, so that the corresponding sound generator is identified; the other end of the embedded processor is transmitted to a signal receiver or a computer through a communication interface;
the drum-head and small cymbals are linked with the corresponding positive end of the pickup signal, all the positive ends of the pickup signal are pulled up to the high level through resistors, the stick is directly linked with the negative end of the pickup signal through the human body, the negative end of the pickup signal is directly connected to the low level, when the stick strikes the drum-head or small cymbals, the corresponding pickup signal is connected to the low level through the stick-body, so that the pickup signal level is pulled down.
A layer of conductive adhesive tape or conductive paint with the thickness less than 0.1mm is pasted or sprayed on the drum surface of the drum in the sound generator; or adding metal powder in the drum head production stage to make the drum head conductive; a layer of conductive adhesive tape or conductive paint with the thickness less than 0.1mm is pasted or sprayed on the cymbal of the cymbal in the sounder; or to customize cymbals that are not oxidized or painted with an insulating paint.
The pickup outputs 9 high level signals and two low level signals, and the high level signals are respectively connected with a hi-hat, a hanging hi-hat 2, an army drum, a through drum 1, a through drum 2, a through
the communication interface is a midi port or a serial port or a USB port or a serial port or wireless transmission.
The battery is used for supplying power for two 3.7V lithium ion batteries in series, and the power supply voltage range is 7V-8.4V.
A digital and processing system for the drum rotation of an acoustic stand comprises the following processing methods:
the method comprises the following steps: when the drum set is not in any motion, all the microphone signals are high, and the embedded processor considers that no sound emitter is knocked.
Step two: when a sound organ is knocked and the drumstick is not separated from the sound organ, the level of the pickup signal corresponding to the sound organ is pulled down so as to be recognized by the embedded processor.
Step three: when the drumstick leaves the struck sounder, all the microphone signals return to high level again.
Compared with the prior art, the invention has the beneficial effects that: the sound signal can be converted into digital information to be transmitted to a computer; the original timbre of the drum set is not influenced; the beating hand feeling of the drum set is not changed; the device is not interfered by external sound signals; interesting teaching can be performed by using software; a plurality of people can be simultaneously taught; remote teaching can be carried out; music can be edited without using a recording device; the method can be applied to the examination of the drum kit, and the examination and evaluation is more objective.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a flow chart of the present invention.
Fig. 3 is a schematic view of the structure of the drum of the present invention.
Fig. 4 is a schematic diagram of the structure of the cymbal of the present invention.
Fig. 5 is a schematic structural view of the sound pickup of the present invention.
In the figure: 1, a conductive adhesive tape; 2, drum; 3 a comparator; 4, a sound pick-up; 5 persons; 6 conductive rubber; 7, a conductive cymbal; 8 an embedded processor; 9 a communication interface; 10 a switching circuit; 11 a battery; 41, a through drum 1; 42, passing through the drum 2; 43 through the
The specific implementation mode is as follows:
a digital and processing system for the drum rotation of an acoustic stand comprises a sound generator, a sound pick-up, a receiver or a computer;
the sound organ comprises a drum and a cymbal, wherein the drum comprises a snare drum, a base drum and 3 through drums; the small cymbals comprise a hi-hat, 2 high cymbals and a Ding cymbal;
the pickup comprises a switch circuit, a battery, a comparator, an embedded processor and a communication interface;
the number of the comparators is 9, the front ends of the comparators are respectively connected with a drum and a small cymbal in the sound generator through circuits, the rear ends of the comparators are connected to an IO pin of the embedded processor, the IO pin is provided with a function of falling edge interruption, and when the level on the IO pin is changed from high level to low level, the IO pin is captured by the processor, so that the corresponding sound generator is identified; the other end of the embedded processor is transmitted to a signal receiver or a computer through a communication interface;
the drum-head and small cymbals are linked with the corresponding positive end of the pickup signal, all the positive ends of the pickup signal are pulled up to the high level through resistors, the stick is directly linked with the negative end of the pickup signal through the human body, the negative end of the pickup signal is directly connected to the low level, when the stick strikes the drum-head or small cymbals, the corresponding pickup signal is connected to the low level through the stick-body, so that the pickup signal level is pulled down.
A layer of conductive adhesive tape or conductive paint with the thickness less than 0.1mm is pasted or sprayed on the drum surface of the drum in the sound generator; or adding metal powder in the drum head production stage to make the drum head conductive; a layer of conductive adhesive tape or conductive paint with the thickness less than 0.1mm is pasted or sprayed on the cymbal of the cymbal in the sounder; or to customize cymbals that are not oxidized or painted with an insulating paint.
The pickup outputs 9 high level signals and two low level signals, and the high level signals are respectively connected with a hi-hat, a hanging hi-hat 2, an army drum, a through drum 1, a through drum 2, a through
the communication interface is a midi port or a serial port or a USB port or a serial port or wireless transmission.
The battery is used for supplying power for two 3.7V lithium ion batteries in series, and the power supply voltage range is 7V-8.4V.
A digital electronic drum kit and a processing system thereof, the processing method comprises the following steps:
the method comprises the following steps: when the drum set is not in any motion, all the microphone signals are high, and the embedded processor considers that no sound emitter is knocked.
Step two: when a sound organ is knocked and the drumstick is not separated from the sound organ, the level of the pickup signal corresponding to the sound organ is pulled down so as to be recognized by the embedded processor.
Step three: when the drumstick leaves the struck sounder, all the microphone signals return to high level again.
When in use, the method is set according to the following steps
Step 1: according to the installation specification, the sound pick-up and the drum kit are well connected, and reliable connection is guaranteed.
Step 2: one end of the wrist strap is sleeved on the ankle, and the other end of the wrist strap is inserted into the signal ground of the sound pickup.
And step 3: powering up the pickup, knocking the drum and the cymbals one by using a drumstick, then stepping down the base drum, flashing a blue lamp of the pickup in each action, and checking whether a corresponding connecting line is loose or disconnected if the blue lamp does not flash.
And 4, step 4: the receiver is connected with the computer through a USB wire. The device manager can look up the receiver and if the device is not recognized, install the driver.
And 5: the exercise can then be started by turning on the software on the computer or receiver.
The connections are all electrical connections.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the present invention, which should be covered by the claims of the present invention.
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