56 results about "Musical tone" patented technology

The utility model discloses a folding twelve-product six-string guitar, which belongs to the technical field of intelligent musical instruments, and comprises a guitar box, a guitar handle and a guitar head, an intelligent sound box is arranged in the guitar box, the intelligent sound box is electrically connected with a music chip, the music chip is electrically connected with a sound pick-up, and the sound pick-up is electrically connected with the guitar box. A music chip is arranged in the guitar head, a control module is stored in the music chip, the control module comprises a mode switching key arranged on the guitar head, a chord switching key arranged on the guitar handle and a plurality of groups of control keys arranged on the guitar box, and a display panel used for displaying the state of the control module is arranged on the guitar box. According to the utility model, the intelligent sound box and the music chip are arranged in the guitar box, the mode is set through the mode switching key before playing, treble and bass, volume, timbre, sound effect and the like are set through each group of control keys, and musical sound can be played through the intelligent sound box by shifting the trigger string during playing, so that fool operation is realized, and various timbres, sound effects and the like can be realized.

According to one aspect of the present invention, an electronic musical instrument generates a string tone signal output from one of the left and right channels based on an input excitation signal corresponding to a specified pitch, and generates a string tone signal output from the other of the left and right channels based on an accumulated signal obtained by accumulating the outputs of the first closed-loop circuit (36A-39A), the second closed-loop circuit (36B-39B), and the third closed-loop circuit (36D-39D) arranged corresponding to the pitch.

The application discloses a piano music segmentation and note recognition algorithm based on a deep learning network, and comprises the following steps: based on a recurrent neural network, obtaining the starting point of each single tone from a continuous piano audio; according to the starting point of each single tone, segmenting a complete piano audio signal into several single tone audios; constructing an audio data set for pitch recognition; pre-processing signals in the audio data set, drawing a transformed spectrogram, and simultaneously segmenting the spectrogram according to the frequency band of each fundamental frequency to obtain a sub-spectrogram; taking the multiple sub-spectrograms segmented from the spectrogram as input, and recognizing the pitch through multiple convolutional neural networks. Compared with a traditional time domain method, the application no longer depends on the selection of a threshold, improves the generalization ability, compared with a traditional frequency domain method, simplifies the calculation process, and improves the running speed.

The invention provides a pavement paving method capable of expressing information. The pavement paving method comprises the following steps: inputting specific useful information to a control circuit; the control circuit converts the specific useful information and sends the information to the paving machine or the film making machine; the pavement machinery performs preset control on surface patterns and flatness of the existing pavement; and the film making machine prefabricates a ground film or a ground tile with specific patterns to be paved on the ground. According to the invention, the feeling of people taking a ground traffic tool when going out can be improved, and tire noise which is bought by people at ordinary times is converted into voice or musical sound or data stream; ground location information guidance can be provided for wheeled robots about to enter thousands of households; the road noise which cannot be avoided originally is changed into voice, musical sound and data stream noise, and the road noise in a specific area can be amplified or attenuated, so that the method is not inferior to the change of human beings from chirp communication to language communication, lyrical information by singing and expression of urgent and slow events by sound volume, and is a germplasm change and a civilization progress.

A musical sound control method for a keyboard instrument for controlling the output of a musical sound corresponding to a pressed key on the basis of a rotation position and a rotation speed of a hammer that rotates as the key is pressed and a damper height that is the height of a predetermined portion of a damper lever that rotates as the key is pressed, the method includes controlling output of a musical sound based on a rotational position and a rotational speed of a hammer, and controlling attenuation of the musical sound when the musical sound is stopped by release of a pressed key based on a damper height.

The present invention provides a guitar amplifier and a control method for the guitar amplifier, which can easily change settings for a special performance mode without interrupting the sound. The guitar amplifier processes input musical sound and outputs the sound. The guitar amplifier includes: a storage device storing a plurality of information sets including setting values ​​for one or more musical sound processing used in the special performance mode; and a control device that, upon input of information indicating the activation of a special performance mode to which an information set selected from the plurality of information sets is applied, changes the settings of the one or more musical sound processing to settings based on the setting values ​​of the selected information set.

This invention relates to the field of music education technology, specifically to a musical instrument playing training system and method based on real-time pitch monitoring. The system includes a musical instrument acoustic waveform analysis module, a tuning frequency tracking module, a pitch deviation analysis module, a muscle memory reshaping guidance module, and a musical instrument mastery blind spot positioning module. In this invention, by sensing the vibration envelope and reconstructing the energy distribution of the overtone series, the core musical tone components are accurately extracted from a complex acoustic environment, improving the accuracy of fundamental frequency identification and enhancing the ability to capture microscopic pitch drift. This effectively solves the problem of poor anti-interference in traditional detection methods, transforming pitch deviation into a concrete physiological cause analysis, optimizing the depth of performance mechanism analysis and enhancing the physical correction directionality. It achieves precise integration of correction actions and performance rhythm, ensuring the scientific nature of muscle memory reshaping and significantly reducing functional pitch deviation. By tracking the rate of movement deformation and tracing the source of technical bottlenecks, it optimizes musical instrument mastery and improves the level of intelligent music training.

The utility model discloses a Zhongruan with a sound tube device, which comprises a resonance cavity and a resonance layer fixed on one end face of the resonance cavity, the resonance layer is provided with a sound hole communicated with the resonance cavity, and the sound hole is provided with a sound tube extending into the resonance cavity; the sound tube comprises a tube body and a limiting part arranged on the outer side of one end of the tube body, and the section outer contour size of the tube body is matched with the section size of the sound hole; the cylinder body is in threaded connection in the sound hole; one end of the sound tube is closed, the other end of the sound tube is open, and the open end of the sound tube is connected with the resonance layer. According to the utility model, after the sound tube extending into the resonance cavity is additionally arranged, sound parameters of the ruan instrument, such as overtone energy, musical tone color and tone stability, can be improved.

An electronic percussion instrument, a control device for the electronic percussion instrument, and a control method thereof are capable of localizing a sound image in a manner that a sound is heard from a place where a percussion is struck. The control device for the electronic percussion instrument inputs a musical sound signal corresponding to a percussion on a percussion surface to a first amplifier for amplifying a signal connected to a first speaker disposed on a back side or around a first percussion surface, and inputs the musical sound signal to a second amplifier for amplifying a signal connected to a second speaker disposed on the back side or around the first percussion surface at a timing later than a timing of input to the first amplifier.

An electronic musical instrument, method and program are provided. An electronic musical instrument is provided with: a performance operation unit; and at least one processor that sequentially reads in musical sound information of musical sound data including a plurality of pieces of musical sound information that are each associated with a sound generation timing. If the read-in musical sound information includes first musical sound information belonging to a first musical instrument group, overwriting and storing the first musical sound information in a first area of a memory according to the read-in; when the playing operation member is operated each time, according to the first musical sound information stored in the first area at the timing of the operation, a first musical sound corresponding to the first musical sound information is instructed to be emitted; when the performance operation member is not operated, the first musical tone corresponding to the first musical tone information stored in the first area is not instructed to be emitted.

A musical sound control device for a keyboard instrument includes: a plurality of swingable keys; a plurality of string striking machines that perform a predetermined operation in response to the key pressing; a plurality of hammers that rotate upward via the action in response to the key being pressed; a plurality of damper levers driven to rotate upward by a rear end portion of the key in response to the key being pressed; a plurality of hammer head sensors for detecting the rotational position and rotational speed of the hammer heads; a plurality of damper sensors for detecting a height of a predetermined portion of the damper lever as a damper height; and a musical sound controller that controls output of musical sound to be emitted, in which the musical sound controller controls output of musical sound corresponding to the pressed key based on detection results of each of the hammer sensors and each of the damper sensors.

To stabilize sensitivity of an output signal to a pressing force in a musical tone generation and indication device.SOLUTION: An embodiment of the present invention comprises: a printed circuit board 10 having a first electrode 121 and a second electrode 122; a carbon sheet 30 containing PTFE particles of a particle diameter of 5 μm or less; an insulating spacer 20 separating the carbon sheet 30 from the printed circuit board; a rubber pad 40 pressing the carbon sheet 30; and a musical tone generation and indication unit 200 that outputs a musical tone generation and instruction in response to the pressed carbon sheet 30 coming into contact with the first electrode 121 and the second electrode 122.SELECTED DRAWING: Figure 1

An electromagnetic wave musical sound sensing control system comprises an electromagnetic wave transceiver, a microcontroller, a band-pass filter, a down-conversion module, an audio power amplifier and a loudspeaker. The system is based on the FMCW radar principle, and the distance between the hand and the radar is linearly mapped into an intermediate frequency signal; carrying out splicing processing on intermediate frequency signals of data truncation between Chirp through a missing segment backfilling algorithm based on template matching, and eliminating time domain discontinuity; after 20kHz band-pass filtering, the intermediate frequency is down-converted to a range which can be perceived by human ears of 20Hz-20kHz by using an analog multiplier and a low-pass filter, and a loudspeaker is driven to produce sound; pitch changes in real time along with the gesture distance, and non-contact audio interaction is achieved; the system has the advantages of real-time response, continuous and natural tone and simple structure, and is suitable for scenes of music interaction, education, rehabilitation and the like.

To provide a percussion instrument that can generate a variety of musical sounds, and a method for generating musical sound.SOLUTION: The percussion instrument includes an optical sensor 19 that detects a position (a position between an initial position and a terminal position of a lever 14) of the lever 14 between an ON state and an OFF state of the lever 14, wherein a musical sound is generated in accordance with the position of the lever 14 detected by the optical sensor 19. In other words, different musical sounds are generated when a head 6 is struck in each of the ON state and the OFF state and a state between them of the lever 14, so it is possible to generate a wider variety of musical sounds than with a conventional technique which can only generate musical sounds based on the ON state or the OFF state of the lever 14.SELECTED DRAWING: Figure 3

A musical sound control method for a keyboard instrument is for controlling an output of a musical sound corresponding to a depressed key on the basis of a rotation position and a rotation speed of a hammer rotating with key depression and a damper height that is a height of a predetermined portion of a damper lever rotating with key depression, the method including controlling an output of the musical sound on the basis of the rotation position and the rotation speed of the hammer, and controlling, on the basis of the damper height, attenuation of the musical sound when the musical sound is stopped by release of the depressed key.

The invention provides an audio playing method and system and a computer program product, and relates to the technical field of audio processing, and the audio playing method comprises the steps: playing a music clip, the music clip is provided with at least one sound effect switching identifier, and the sound effect switching identifier corresponds to a sound effect set comprising at least one musical sound effect; setting a sound effect set corresponding to the sound effect switching identifier as a current sound effect set when the sound effect switching identifier is passed in the playing process of the music clip; and in response to the first trigger operation, playing the musical sound effect in the current sound effect set while playing the music clip.

Systems, methods, and apparatuses for imprinting a predefined pattern in a freshly rolled or heated asphalt surface of a traffic lane to create varying frequencies that produces musical notes are descried. A ridged steel, grid-like template can be progressively compressed into a roadway's heated and pliable asphalt surface using a drum roller or other surface compactor. The template is then manually lifted clear of the asphalt surface and the asphalt is allowed to cool to its natural hardened state. What results is a linear pattern of divots imprinted into about one-third width of either the right or left side of the traffic lane. The patterned asphalt surface can be treated with a thin coating of colored coating or legends and symbols to enhance the location of the musical notes on the roadway.

The invention provides an information processing apparatus, an electronic musical instrument, a pronunciation control method, and a computer program product. This information processing device is provided with: a storage unit that stores a program; and a control unit that performs control on the basis of the program stored in the storage unit, and that, when a playing operation is detected within a first-pressing interval from a given time of a pronunciation timing of a musical sound of a piece of music to the pronunciation timing, controls the pronunciation unit to perform pronunciation corresponding to the playing operation at the pronunciation timing, and that performs control on the basis of the program stored in the storage unit so that the pronunciation unit performs pronunciation corresponding to the pronunciation operation at the pronunciation timing. When no playing operation is detected in the first-pressing section and no playing operation is detected at the sound generation timing, the control unit controls the sound generation unit not to generate sound at the sound generation timing.

The application relates to a pitch estimation method based on a compression excitation block, which converts an audio file into a log-mel spectrogram, so that the input audio is converted into a high-level representation easier for a machine to understand, redundant information is screened out, and information helpful to pitch extraction is retained and strengthened. A compression excitation block is used to extract features of the log-mel spectrogram, and global features of the audio are extracted; meanwhile, a self-attention mechanism is introduced to extract important local features, a pitch representation corresponding to the input audio is obtained through a coding-decoding structure, a pitch probability matrix is obtained through an estimation module, and finally, a pitch estimation result of the audio file is determined according to the pitch probability matrix. The application effectively solves the problem of difficult pitch estimation of opera audio, and improves the accuracy of the pitch prediction result of human voice music.

Disclosed herein are methods for hydroforming a handpan shell. Hydroforming a handpan shell using a mold complementary to the intended shape of the handpan shell can improve the quality and performance of the handpan while reducing the time and cost needed to form features into the handpan that allow musical tones to be produced.

The invention discloses a music listening evaluation method for an electronic device. The method comprises the following steps: 1, playing standard tones; step 2, playing musical sound; step 3, simulating or identifying musical sound; 4, comparing the standard, and returning to the step 2 or entering the next step; and 5, counting results and displaying scores. The technology can be implemented and applied to electronic equipment such as a computer, a tablet personal computer, a mobile phone, an electronic musical instrument, a game machine and the like, and is beneficial to music basic literacy evaluation or training of a learner.

A musical tone signal generation apparatus, method, and storage medium that utilizes an all-pass filter for efficient processing. The method involves setting a first delay unit that generates a delay corresponding to a specified pitch, setting its pre-stage delay unit as a 0th delay unit, and its post-stage delay unit as a 2nd delay unit. At least three fractional delay blocks are connected to the first, 0th, and 2nd delay units, respectively. In a scenario where, based on a change in the specified pitch, one of the 0th and 2nd delay units is set as a new first delay unit, and the pre-stage delay unit of the new first delay unit is set as a new 0th delay unit, and the post-stage delay unit of the new first delay unit is set as a new 2nd delay unit, one of the 0th and 2nd delay units continues to be connected to the fractional delay blocks, and at least one of the new 0th and new 2nd delay units is then changed to be connected to at least one of the fractional delay blocks other than the fractional delay block connected to the new first delay unit.

To provide a stringed instrument holding device capable of setting a tilt angle at which a stringed instrument rotates around height and X, Y and Z directions in a space of the stringed instrument during automatic playback in the same manner as during recording and to provide an arrangement method of a single or a plurality of stringed instruments, which can set arrangement of the single or the plurality of stringed instruments in the space in the same manner as during recording.SOLUTION: A stringed instrument holding device includes: a holding tool 20 for holding a body 12 of a stringed instrument in a space; and a stand 30, and is configured to include inclination angle setting means for arbitrarily setting an inclination angle of the stringed instrument, which is between the stand and the holding tool or is included in the holding tool itself. The single or the plurality of stringed instruments are configured to be arranged in an arrangement position the same as the arrangement position in a three-dimensional space of the stringed instrument played by a player during recording when a stringed instrument excitation device drives the single or the plurality of stringed instruments in a playback scene to be played back by using sound source signal / sound source data of recorded musical sound.SELECTED DRAWING: Figure 1

An electronic wind instrument and a control method thereof are provided, which can switch between a need for breathing and no need for breathing by a simple operation. The electronic wind instrument includes an acquisition section that acquires an operation on a performance operation element, a breathing detection section that detects breathing, and a control section that generates a musical sound signal in accordance with at least either of the detected breathing and the operation acquired by the acquisition section. The control section switches between a first mode in which the detection of the breathing is a condition for generating a musical sound signal and a second mode in which a musical sound signal is generated based on the operation regardless of the detection of the breathing in accordance with a result of the detection of the breathing.

The application discloses a noise resistance and adaptability measuring method based on beta band time gradient measurement, characterized in that two types of abnormal data sensing test tasks, i.e., a music condition and a noise condition, are set, and the brain electrical signals of the tested personnel in the two types of tasks are collected; the baseline normalized band power average value of the beta band in the time window of 300-400 ms in the Fz channel of the tested personnel under different tasks is calculated; the minimum time gradient serial number between the beta power of the music.abnormal and the noise.abnormal, the music.normal and the noise.normal is calculated respectively; the smaller the minimum time gradient serial number, the stronger the noise resistance; if the minimum time gradient serial number is smaller, the stronger the noise adaptability; if the same tested personnel is represented as noise.normal, the tested personnel is of a normal sensitive type to noise; if the same tested personnel is represented as noise.hyper, the tested personnel is of a hyper sensitive type to noise; and the method has the advantages that the noise resistance and adaptability of the tested personnel are objectively and directly evaluated.

The invention provides a percussion instrument capable of generating various musical tones and a musical tone generation method. This percussion instrument is provided with an optical sensor (19) that detects the position of a lever (14) between an open (ON) state and a closed (OFF) state (a midway position between the initial position and the terminal position of the lever (14)), and generates musical sound corresponding to the position of the lever (14) detected by the optical sensor (19). Namely, in the open (ON) state of the rod (14), the closed (OFF) state of the rod (14), and each of these states, different musical tones are generated when the drumhead (6) is hit, so that more various musical tones can be generated compared with the prior art in which only musical tones based on the open (ON) or closed (OFF) state of the rod (14) can be generated.

To provide a musical sound input device which does not require special operation for scale movement.SOLUTION: A musical sound input device includes an operator group and a body, the operator group being arranged on an upper surface of the body and including a plurality of operators. Musical sound is individually allocated to each of the plurality of operators. The body includes an infinite scale setting part, a musical sound detection part, and an input part. The infinite scale setting part sets the presence or absence of application of an infinite scale; the musical sound detection part detects an input target sound corresponding to the operated operator; the input target sound is a musical sound reflecting the presence or absence of the application of the infinite scale with respect to the musical sound allocated to the operator; and the input part inputs the input target sound.SELECTED DRAWING: Figure 1

A musical sound control device for a keyboard instrument includes: a plurality of swingable keys; a plurality of actions that executes a predetermined operation in response to key depression; a plurality of hammers that rotates upward via the actions in response to key depression; a plurality of damper levers driven to rotate upward by rear end portions of the keys in response to key depression; a plurality of hammer sensors for detecting rotation positions and rotation speeds of the hammers; a plurality of damper sensors for detecting heights of predetermined portions of the damper levers as a damper height; and a musical sound controller that controls an output of a musical sound to be emitted, wherein the musical sound controller controls an output of the musical sound corresponding to the depressed key based on detection results of each of the hammer sensors and each of the damper sensors.

The invention relates to a pitch estimation method based on a compressed excitation block, and the method comprises the steps: converting an audio file into a logarithmic Mel spectrogram, thereby converting an input audio into advanced representation which is easier to understand by a machine, screening redundant information, and reserving and strengthening information which is beneficial to pitch extraction. Carrying out feature extraction on the logarithm Mel spectrogram by adopting a compressed excitation block, and extracting audio global features; meanwhile, a self-attention mechanism is introduced to extract local important features, pitch representation content corresponding to the input audio is obtained through a coding and decoding structure, a pitch probability matrix is obtained through an estimation module, and a pitch estimation result of the audio file is finally determined according to the pitch probability matrix. The problem of difficulty in pitch estimation of the traditional opera audio is effectively solved, and the accuracy of the prediction result of the musical pitch of the human sound is improved.