75 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.

To be able to generate suitable sound effect signals for musical sound signals.SOLUTION: A music processing device includes: a first generating unit for generating a plurality of first signals in which at least one of frequency characteristics and time responses of each of a plurality of processing unit signals obtained from a musical sound signal is transformed; and a second generating unit for generating a second signal in which at least one of frequency characteristics and time responses of a noise signal associated with one or two or more of the plurality of processing unit signals is replaced with at least one of the frequency characteristics and time response of the corresponding first signal.SELECTED DRAWING: Figure 2

To provide a control device, musical tone generation method, and musical tone generation program that can realize fine change in pitch.SOLUTION: In a synthesizer 1, when a tone generation mode is "string pitch bend", the pitch bend is set to an acquired MIDI message MM, and when a string number S of the MIDI message MM is generating a tone and a key-off flag is ON, a pitch of only a tone of the string number S is changed by a pitch change amount PB set in the MIDI message MM. Thereby, the synthesizer can perform a fine change in pitch in which strings subject to the change in pitch based on the pitch change amount PB and strings not subject thereto are both included.SELECTED DRAWING: Figure 9

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 sound source system has a configuration including: a plurality of sound source cores that process musical sound data; a phase control circuit that aligns phases of clocks defining an input / output timing of the musical sound data with respect to a sound source core among the plurality of sound source cores; and a connection control circuit that controls connection among the plurality of sound source cores such that musical sound data in which phases of the clocks are aligned is transferred among the plurality of sound source cores.

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.

The present invention provides an information processing device, a rhythm detection device, and an image processing system, which detect the beat of a played music from a musical point of view. The information processing device of the present invention includes: an acquisition element, which acquires samples of a musical sound signal in time sequence; an evaluation element, which includes an adaptive filter, the adaptive filter uses the acquired samples of the musical sound signal as a reference signal, and uses the samples of the musical sound signal acquired a specified time earlier than the samples of the musical sound signal as an input signal; and a rhythm determination element, which sequentially inputs the samples of the musical sound signal to the adaptive filter, and determines the rhythm corresponding to the musical sound based on the filter coefficients of the adaptive filter when the filter coefficients have converged.

A control device, a musical tone generation method, and a computer-readable recording medium having a musical tone generation program capable of reducing a processing load when generating musical tones are provided.In a synthesizer 1, a musical tone generation state or the non-generation state is managed for each string number S and pitch P by using a string map 12a and a pitch map 12b of a tone generation part 104, making it possible to realize accurate generation and muting of musical tones for each string of a guitar G even when the tone generation part 104 is not provided in each G string, that is, even when the number of tone generation part 104 is smaller than the number of strings of the guitar G. This makes it possible to reduce a processing load required for the tone generation part 104 in the synthesizer 1.

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.

The present invention provides a combination musical instrument and an electronic music processing method, wherein the combination musical instrument comprises a keyboard instrument, a percussion instrument and associated components; the percussion instrument comprises a pedal, a connecting rod and a hammer; the connecting rod connects the pedal and the hammer, the pedal drives the connecting rod to rotate to drive the hammer to hit the drum to make a sound; the associated components comprise a signal transmitter and a triggering member connected to the connecting rod, the connecting rod drives the triggering member to trigger the signal transmitter to transmit a signal; the keyboard instrument comprises a main keyboard, a first pressure sensor, a processor and a speaker, the main keyboard comprises a plurality of foot-operated keys, the first pressure sensor is associated with the foot-operated keys, and is used to detect a first pressure value when the foot-operated keys are pressed, and the triggering signal transmitter of the triggering member transmits the first pressure value to the processor; the processor is electrically connected to the signal transmitter, and is used to determine a musical sound signal corresponding to the foot-operated keys according to the first pressure value; the speaker receives the musical sound signal sent by the processor, and outputs the musical sound signal. The electronic music processing method is applied to the combination musical instrument.

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.

This controller for controlling a musical sound generation device comprises: an acquisition unit that acquires line-of-sight information of a user; a display control unit that displays, on a display unit, a plurality of operators associated with a control command of the musical sound generation device, and displays, on the display unit, a pointer for selecting an operator on the basis of the line-of-sight information acquired by the acquisition unit; a determination unit that determines selection of an operator overlapping at least a portion of the pointer from among the plurality of operators; and a communication unit that transmits, to the musical sound generation device, information conforming to the MIDI standard and corresponding to the operator the selection of which has been determined by the determination unit. The plurality of operators include at least one fader operator that switches a sound source being reproduced from a first sound source to a second sound source.

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.

A musical sound processing apparatus includes: a first generation part configured to generate a plurality of first signals in which at least one of a frequency characteristic and a time response of each of a plurality of processing unit signals obtained from a musical sound signal is modified; and a second generation part configured to generate a plurality of second signals in which at least one of a frequency characteristic and a time response of a noise signal associated with one or more of the plurality of processing unit signals is replaced with at least one of a frequency characteristic and a time response of the corresponding first signal.

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.