38 results about "Musical tone" patented technology

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.

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.

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.

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.

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.

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.

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 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.

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.

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.

An electronic musical instrument includes a performance operation member and at least one processor. The at least one processor, based on a first operation on the performance operation member, instructs the generation of a first musical tone, and during the generation of the first musical tone, based on a second operation on the performance operation member, obtains a first amplitude value of the first musical tone at a timing corresponding to the second operation, and also obtains a second amplitude value of a second musical tone to be generated based on the second operation. Based on the ratio of the first amplitude value to the second amplitude value, the at least one processor obtains a parameter value for determining at least one of the pitch, timbre, and volume of the second musical tone, and instructs the generation of the second musical tone corresponding to the obtained parameter value.

1. Name of the Design Product: Multifunctional Music Stand. 2. Use of the Design Product: For external music playback, dual Bluetooth connection, audio input and output, placing musical instruments, computers and other items. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Stereogram.

Provided are an electronic musical instrument, a musical sound output method, and a musical sound output program capable of independently generating different musical sounds, that is, a normal musical sound and a special musical sound, through an operation on a single key. In a case where the position of a key becomes equal to or lower than a sound generation start position while the speed of the key is maintained higher than a speed threshold value, the normal musical sound of the key is generated while the special musical sound is not generated. In a case where the speed becomes equal to or lower than the speed threshold value before the position of the key reaches the sound generation start position, the special musical sound of the is generated while the normal musical sound is not generated.

A musical sound reproducing device comprises: a sound source section, which, in response to receiving instruction data for indicating a musical sound state to be achieved, generates musical sound while sequentially changing in a manner to achieve the indicated musical sound state; an interpolation section, which uses data in a memory to generate a plurality of interpolation data obtained by interpolating the input data corresponding to the interval based on values ​​related to the interval corresponding to the musical sound and the amount of change of the musical sound reproduced in the interval, as values ​​included in the input data; and a reproducing control section, which, based on the plurality of interpolation data, generates a plurality of instruction data for indicating a plurality of musical sound states to be achieved at regular intervals within the interval, and sequentially sends the generated plurality of instruction data to the sound source section when reproducing the musical sound in the interval.

The invention relates to the technical field of chimes, in particular to a harmonic therapeutic healing health-care chime which comprises a suspension bracket, a chime group composed of a plurality of U-shaped sound tubes is suspended on the suspension bracket, openings of the U-shaped sound tubes are arranged downwards, and musical scales of the chime group adopt musical sound sequence combination with the fundamental frequency of 380Hz-500Hz. The chime provided by the invention adopts a pure yellow clock 432Hz fundamental frequency musical sound sequence combination, the smooth rhythm and penetrating power of the chime can effectively soothe the body, relax nerves and promote cell and body repair, and ultrasonic waves, infrasonic waves, second-order harmonic waves and third-order harmonic waves generated during playing can deconstruct and kill microorganisms and viruses, so that the therapeutic and healing value of expelling evil and eliminating diseases is fully exerted, and the chime has a good application prospect. The problem that a traditional chime is difficult to accurately adapt to the modern health care acoustic therapy and healing requirements is solved.

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 that rotates with key depression and a damper height that is a height of a predetermined portion of a damper lever that rotates 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, based on the damper height corresponding to another key that has string resonance with the musical sound and that is depressed earlier than the depressed key, an output of a resonance sound that is a musical sound corresponding to the other key.

An electronic drum has a body 1 with a head 2 and a first rim 3; a second rim 4; a head sensor 10; a first rim sensor 11; a second rim sensor 12; and a sound source part 13 configured to produce and output a predetermined musical sound based on a detection signal. The sound source part 13 is configured to, when an output of the second rim sensor 12 exceeds a predetermined threshold value, produce a predetermined musical sound based on the output of the second rim sensor 12. The predetermined musical sound based on the output of the second rim sensor 12 is determined based on a detection signal output from the second rim sensor 12, and a detection signal output from the head sensor 10 or the first rim sensor 11.

The invention discloses a multifunctional electronic musical instrument which comprises a fingerboard area which is arranged in a multi-string and multi-product matrix mode and comprises a plurality of fingerboard keys, a first tone key area which comprises a plurality of first tone keys which are linearly arranged along a first direction, and a second tone key area which comprises a plurality of second tone keys which are linearly arranged along a second direction, the pronunciation module is used for outputting musical sound; the control module is electrically connected with the fingerboard key, the first tone key and the sounding module respectively; the control module is configured to respond to continuous pressing of the fingerboard key in a preset continuous mode, and control the pronunciation module to output continuous tenuto; and in response to triggering of any first tone key, controlling the pronunciation module to make a single tone with a corresponding pitch. Two-hand cooperation of musical instrument playing is achieved, meanwhile, continuous tenuto of the fingerboard area and single tone of the first tone key area are combined, fingering is simple, the fingerboard area is arranged in a multi-string and multi-product mode, grades and string position pitches are distinguished, the keys are adopted, operation of a player is facilitated, and unification and high efficiency of musical instrument playing are achieved.

The invention discloses a noise resistance and adaptive capacity measuring method based on beta-band time gradient measurement, which is characterized by comprising the following steps of: setting two types of abnormal data perception test tasks of musical sound conditions and noise conditions, and collecting electroencephalogram signals of a tested person in the two types of tasks; calculating a normalized band power average value of a base line of a beta band within a time window of 300-400ms in an Fz channel under different tasks of the tested personnel; the smaller the minimum time gradient sequence number of beta power having no statistical difference between the abnormal, the musical sound, the normal and the noise is, the higher the noise resistance capability is, and the smaller the minimum time gradient sequence number of beta power having no statistical difference between the abnormal, the musical sound, the normal and the noise is; if the noise is smaller, the noise adaptability is higher; if the same person to be tested is detected, the person to be tested is in a noise normal sensitive type; if yes, the detected person is in a noise hypersensitive type; the method has the advantage of objectively and directly evaluating the noise resistance and adaptability of the tested person.

The invention discloses a control method of an electronic musical instrument, the electronic musical instrument and a computer readable storage medium. The method comprises the following steps: loading a drum musical sound to be played in response to a preset operation; and controlling the electronic musical instrument to synchronously play the target musical sound and the drum musical sound in response to the playing operation of the target musical sound under the condition that the drum musical sound to be played is loaded. Therefore, in response to the preset operation, the drum musical sound to be played can be loaded, so that the drum musical sound to be played can be loaded in advance, the drum musical sound can be synchronously played under the condition that the electronic musical instrument is controlled to play the target musical sound, and then the synchronism of playing actions and effects is guaranteed to a certain extent. Moreover, compared with the mode that playing is interrupted to trigger the drum machine, the electronic musical instrument can be controlled to synchronously play the drum machine musical sound in response to the playing operation of the target musical sound under the condition that the drum machine musical sound to be played is loaded, and a user does not need to interrupt playing, so that the playing difficulty of the musical instrument and the operation difficulty of the user can be simplified, and the user experience is guaranteed.

To increase the number of candidate pitches.SOLUTION: An information processor includes at least one processor. At least one processor sets a pitch of musical sound in a sound generation period in music data as a first candidate pitch, sets a second candidate pitch based on the first candidate pitch, detects an operation pitch associated with a performance operator operated by a user and selects a sound generation pitch of musical sound generating sound from the plurality of candidate pitches including the first candidate pitch and the second candidate pitch based on the detected operation pitch.SELECTED DRAWING: Figure 3

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 an output of a musical sound based on a rotational position and a rotational speed of a hammer, and controlling an output of a resonance sound as a musical sound corresponding to another key, which has string resonance with the musical sound and is pressed earlier than the pressed key, based on a damper height corresponding to the other key.