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32 results about "String instrument playing" patented technology

Automatic discrimination method for playing timbre of string instrument

ActiveCN105719661ARealize automated evaluationSpeech analysisTime domainTheoretical computer science
The invention relates to an automatic discrimination method for the playing timbre of a string instrument. The method comprises that the type and playing mode of the string instrument are discriminated automatically; aimed at the type and playing mode of the string instrument, dynamic and static characteristics of instrumental performance are extracted; and the extracted characteristics serve as input and a random forest model serves as a classifier to carry out training and classification, and results are processed continuously. New characteristics are introduced to form a dynamic and static combined instrument timbre expression form in which the time domain is combined with the frequency domain; corresponding timbre identification algorithms are used for identification aimed at the features of different expression forms, the identification results are integrated to obtain a final identification result, and the playing timbre of the string instrument is evaluated automatically; and according to the method, the characteristics, a time sequence model, and audio time-domain and frequency-domain characteristics of the string instrument are considered comprehensively in the playing process to design the complete playing timbre learning-identification technology of the string instrument.
Owner:XI AN JIAOTONG UNIV

Automatic string instrument tone tuning method based on wireless sensor network

The invention discloses an automatic string instrument tone tuning method based on a wireless sensor network. An information transmission network is constructed through a communication function of wireless sensor network nodes, the vibration frequencies of strings are sensed through a sensor, a feedback signal is sent out after the vibration frequencies are compared with the reference frequency transmitted by wireless sensor network submergence points through a differentiator, and string shafts on the nodes are controlled to be correspondingly tensioned or loosened. According to the method, the wireless sensor network technology is introduced, the sensor network nodes are combined with the automatic tone tuning mechanism, and not only can intonation of a string instrument be automatically tuned, but also a music director can give instructions to correct intonation of all node instruments through the wireless sensor network submergence points. Not only is playing intonation of a string instrument promoted, but also a traditional tone tuning mode taking a single instrument as a main body is broken through, and the music direction can give the instructions to the corresponding instruments from a center control terminal in a unified mode or selectively tunes the pitch of a few instrument individuals.
Owner:FUJIAN UNIV OF TECH

An input device with a variable tensioned joystick with travel distance for operating a musical instrument, and a method of use thereof

An input device for operating a musical instrument having musical behavior of string instruments, which comprises a key plate unit containing a set of input keys to be pressed by a player, in order togenerate a first set of electric input signals, which emulate a combination of pressed keys of a musical instrument or a combination of pressed strings; a stick unit with variable tension of displacement including a stick to be moved by the player between predetermined discrete positions, which emulate a combination of strummed strings of a musical instrument; a set of electric contacts, each corresponding to a different discrete position, for transmitting stick position signals; a processing unit with input buttons for setting musical parameters; a set of interface inputs for receiving the stick position signals; a second set of interface inputs for receiving the first set of electric input signals; a memory for storing processing software; a processor, connected to the memory, for jointly processing the stick position signals and the first set of electric input signals using the processing software, and for outputting electric output signals representing codes of musical notes thatcorresponds to movements of the input keys between pressed and released positions, and movements of the stick between the discrete positions; interface connections, for transmitting electric output signals representing codes of musical notes, from the processing unit to a computerized tone generating unit that converts the electric output signals to sounds.
Owner:ARCANA INSTR LTD

Automatic playing method of stringed musical instrument

The invention discloses an automatic playing method and device of a stringed musical instrument. The method comprises the steps of generating a machine-visualized music score image according to a music score image, wherein the machine-visualized music score image comprises a time value region and a note matrix region, and each row of the note matrix region corresponds to each string of a to-be-played stringed musical instrument, obtaining the row where the note numerical value of each column of the note matrix region is located and the note time value corresponding to each column, determininga string plucking rule of a string plucking mechanism of the playing device, and obtaining the note numerical value of each column of the note matrix region, the row where the note numerical value islocated and the note time value corresponding to each column, and determining the string pressing rule of the string pressing mechanism of the playing device. Automatic identification and automatic playing of the music score by a machine are realized, complex operation of manually inputting music score data is avoided, and time and manpower are saved; the automation degree of stringed musical instrument playing is improved, and the consistency and reliability of stringed musical instrument playing are guaranteed.
Owner:GUANGDONG UNIV OF TECH

Interaction system of digital stringed instrument, and digital stringed instrument

The invention discloses an interaction system of a digital stringed instrument, and the digital stringed instrument. The interaction system comprises a function module, a touch screen input module anda central processing module, the function module comprises a stringed instrument playing module, a string music culture module, a string music knowledge module, a musical instrument music appreciation module and a string music master module, and the stringed instrument playing module is used for playing a virtual stringed instrument in a man-machine interaction mode; the string music culture module is used for introducing the culture connotation of guqin; the string music knowledge module is used for introducing knowledge of the guqin; the musical instrument music appreciation module is usedfor introducing and appreciating famous music; the string music master module is used for introducing guqin masters; and the touch screen input module is used for user information input and function selection, and the central processing module is used for processing data and selecting a function module according to input information. The stringed instrument is not limited by high-quality materialsand manufacturing process, the production cost is low, and the transmission and learning of the stringed instrument are facilitated.
Owner:SUZHOU EXPLORE CULTURE TECH CO LTD
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