Abstract: Systems and methods for versioning audio elements used in generation of music are provided. An example method includes receiving musical format data associated with a plurality of audio elements of a melody; determining, based on the musical format data, harmonic and melodic characteristics of each of the plurality of audio elements; matching the harmonic and melodic characteristics to a plurality of chord progressions using predetermined music theory rules, counterpoint rules, and rhythm matching rules; deriving, based on the matching and predetermined melodic movement rules, from the plurality of chord progressions, melodic movement characteristics applicable to using in versioning; and creating, based on the predetermined music theory rules and the melodic movement characteristics, versions of the audio elements that match the chord progressions.

Abstract: An impact detection device includes: a body configured to be struck; a vibration sensor that detects vibration of the body; a support base that supports the vibration sensor; a first elastic body sandwiched between the vibration sensor and the body; and a second elastic body sandwiched between the vibration sensor and the support base. A dimension of each of the first elastic body and the second elastic body is smaller than a dimension of the vibration sensor when viewed from an arrangement direction in which the first elastic body, the vibration sensor, and the second elastic body are arranged.

Abstract: An automated music composition and generation system including a system user interface for enabling system users to review and select one or more musical experience descriptors, as well as time and/or space parameters; and an automated music composition and generation engine, operably connected to the system user interface, for receiving, storing and processing musical experience descriptors and time and/or space parameters selected by the system user, so as to automatically compose and generate one or more digital pieces of music in response to the musical experience descriptors and time and/or space parameters selected by the system user. Each digital piece of composed and generated music contains a set of musical notes arranged and performed in the digital piece of music. The engine includes: a digital piece creation subsystem and a digital audio sample producing subsystem supported by virtual musical instrument libraries.

Abstract: A digital-to-analog conversion device which performs integration processing for integrating a difference between an input signal and a first return signal generated based on the input signal, and outputting an integration result, first quantization processing for quantizing the integration result, and outputting a first quantization signal, first return signal output processing for outputting the first return signal by adding to the first quantization signal a correction value delay signal acquired by a correction value signal outputted based on the integration result being delayed, and output processing for outputting output signals including a signal whose pulse width is asymmetrical to center of a processing period, based on the first quantization signal, in which the correction value signal includes a signal indicating a correction value for correcting a difference between a center of the pulse width asymmetrical to the center of the processing period and the center of the processing period.

Abstract: A control device (1) for controlling the sound of an electric musical instrument has a tread plate (2) and a signal generator (3). The tread plate (2) is mounted pivotally about a first axis (4a) and is mounted pivotally about a second axis (4b). The signal generator is configured such that it generates a first electrical signal for controlling the sound and a second electrical signal for controlling the sound, the first electrical signal being the result of a rotation of the tread plate (2) about the first axis (4a) and the second electrical signal being the result of a rotation of the tread plate (2) about the second axis (4b). A control system comprises a control device of this type and the electric musical instrument.

Abstract: The present invention provides an electronic percussion melody musical instrument, comprising: a key module including a plurality of keys each arranged to receive a knock from the outside, and a plurality of energy conversion units each configured to sense mechanical energy generated by the knocking of the key and convert the mechanical energy into electrical energy in the form of an electrical signal; a storage unit configured to store sound source data associated with the plurality of keys; an output unit configured to output a sound signal corresponding to the sound source data; and a control unit configured to: receive the electrical signal from the energy conversion unit; acquire the sound source data associated with the electrical signal from the storage unit according to the electrical signal; and control the output unit to output the sound signal corresponding to the sound source data.

Abstract: A system for generation of a musical notation from an audio signal, the system comprising at least one processor configured to: obtain the audio signal from an audio source or a data repository; process the audio signal using first machine learning (ML) model(s) to generate a recognition result, wherein the recognition result is indicative of a pitch and a duration of a plurality of notes in the audio signal and their corresponding confidence scores; generate a preliminary musical notation using the recognition result; process the preliminary musical notation using second ML model(s) to determine whether the preliminary musical notation includes one or more errors; and when it is determined that the preliminary musical notation includes one or more errors, modify the preliminary musical notation to generate the musical notation that is error-free or has lesser errors as compared to the preliminary musical notation.

Abstract: In general terms the present disclosure proposes computer-implemented method for context-based scrolling of tablature. The computer-implemented method comprises receiving, at computer, tablature from device at which tablature is stored or is generated, wherein computer comprises at least one processor, determining structure of tablature using at least one feature recognition algorithm, using at least one processor, determining one or more parameters of display environment, using at least one processor, building abstract syntax tree of tablature comprising an array of structural elements of tablature, using at least one processor, determining scrolling time period in which portion of the tablature that is displayed on given region of a viewport of display environment is to be replaced by a next portion of tablature, using at least one processor, and scrolling tablature according to at least abstract syntax tree of tablature and scrolling time period, in display environment, using the at least one processor.

Abstract: According to an embodiment, there is provided a system and method for automatic AI-based song construction based on ideas of a user. In some embodiments, an embodiment is provided with a database that contains harmony templates which can be used by the user to augment the playback of a given music work. Various embodiments of the instant invention also benefit from a combination of expert knowledge resident in an expert engine which contains rules for musically correct song generation and machine learning in an AI-based audio loop selection engine for the selection of compatible audio loops from a database of audio loops.

Abstract: A keyboard device is provided, and includes multiple keys and multiple hinges. Each of the keys is supported by a support member. Each of the hinges has: a pair of base parts, joined to the support member and separated from each other with a predetermined gap therebetween in a width direction of the keys, and a connection part, connecting the pair of base parts and each of the keys to each other in a longitudinal direction of the keys. A dimension of the connection part in the longitudinal direction of the keys is set to be larger than dimensions of the base parts in the width direction of the keys.

Abstract: Implementations of the subject matter described herein provide a solution that enables a machine to automatically generate a melody. In this solution, user emotion and/or environment information is used to select a first melody feature parameter from a plurality of melody feature parameters, wherein each of the plurality of melody feature parameters corresponds to a music style of one of a plurality of reference melodies. The first melody feature parameter is further used to generate a first melody that conforms to the music style and is different from the reference melody. Thus, a melody that matches user emotions and/or environmental information may be automatically created.

Abstract: An auxiliary string pressing device for guitar playing includes a bracket, wherein the bracket having a bracket mounting structure, the bracket is provided with elastic pieces, each elastic piece having a fixed end and a movable end, the fixed end of the each elastic piece and the bracket being connected by an elastic piece fast mounting structure, a front face of the movable end of the each elastic piece is provided with a key, and a back face of the movable end of the each elastic piece being provided with a string pressing block. The auxiliary string pressing device uses an elasticity of the elastic pieces to reset, wherein a structure is simplified. The elastic piece fast mounting structure of the elastic pieces and the bracket enable the elastic pieces to be replaced by such a mounting structure.

Abstract: A sound source includes: a processor that implements instructions to execute a plurality of tasks, including: a first calculating task that calculates a first estimated value based on a detection result yielded by a detecting device that detects passage of a key through a first, a second, and a third positions, the first estimated value pertaining to behavior of the key at a predetermined position; a second calculating task that calculates a second estimated value based on the result, the second estimated value pertaining to behavior of the key at a fourth position; a signal generating task that generates a first and a second sound signals; a first adjusting task that adjusts an output level of the first sound signal based on the first estimated value; and a second adjusting task that adjusts an output level of the second sound signal based on the second estimated value.

Abstract: An electronic cymbal and a bell part sensor installation method are provided. The electronic cymbal includes: a disk-shaped frame; a frame bell part which is configured at a center of the frame in a top view; a bell part sensor which is attached onto the frame bell part in a circumferential direction and detects a hit on the frame bell part; and a cover which covers the frame and the bell part sensor and has a surface formed as a hit surface, wherein the bell part sensor is separated in at least a radial direction of the frame bell part.

Abstract: A manual vibrato control device, system and processing arrangement are disclosed. A manual vibrato includes a rotatable shaft, a raised cam section on the shaft, first and second biased collars received on the shaft either side of the cam section, the bias of the first collar being rotationally opposite to the bias of the second collar such that as the shaft rotates in one direction, it receives a return force from the first collar but does not rotate the second collar, and vice versa. Also disclosed are processing techniques to take the rotational data from rotational sensors, preferably Hall Effect, on the shaft and generate pitch change instructions for a pitch modification device. The mapping is user controllable to produce desired effects and performance.

Abstract: A rotor, in particular of an electrical machine, has a base body and at least one metallic end plate which is mounted on the base body. The base body and the at least one end plate have a continuous layer which is injection molded.

Abstract: An automated music composition and generation process within an automated music composition and generation system driven by lyrical musical experience descriptors. The process involves the system user accessing said automated music composition and generation system, employing an automated music composition and generation engine having a system user interface. The system user interface is used to select and provide musical experience descriptors, including lyrics, to the automated music composition and generation engine for processing by said automated music composition and generation engine. The system user initiates the automated music composition and generation engine to compose and generate music based on the musical experience descriptors and lyrics provided.

Abstract: An automated music composition and generation process within an automated music composition and generation system driven by lyrics. The process involves the system user accessing said automated music composition and generation system, employing an automated music composition and generation engine having a system user interface. The system user interface is used to provide lyrics to the automated music composition and generation engine for processing by the automated music composition and generation engine. The system user initiates the automated music composition and generation engine to compose and generate music based on lyrics the provided as input. The lyrics are analyzed for vowel formants to generate pitch events, which are used to support the automated music composition process.

Abstract: A drum damper includes a first body having a first surface and a second surface, and the first body includes a slot and a fader button positioned on the first surface of the first body and configured to slide along the slot. A second body is connected with the second surface of the first body and configured to releasably attach with a drum. Flexible bodies are connected with the second body, configured to dampen sound or vibration from a drum head and be in contact with the drum head, and connected with the fader button through the slot so that, when the fader button slides along the slot, the flexible bodies increase or reduce surface area contact with the drum head.

Abstract: A computer-implemented method of generating a musical composition containing a plurality of musical texture groups is disclosed. The method includes assembling musical texture groups from musical instrument components and associating therewith a tag expressing emotional textural connotation. The instrument components have musical textural classifiers selected from a set of pre-defined textural classifiers such that different instrument components may have a different subset of pre-defined textural classifiers. The textural classifiers within a texture group possess either no musical feature attribute or a single musical feature attribute and any number of musical accompaniment attributes. The method then generates at least one chord scheme to a narrative brief, to provide an emotional connotation to a series of events, the chord scheme generated by selecting and assembling Form Atoms.