125results about "Notation recording" patented technology

Aspects of embodiments pertain to a method for determining an Input / Output (I / O) device configuration for a music teaching system. The method may comprise receiving a plurality of I / O device configurations of a music teaching system; receiving, for a given I / O device of the music teaching system, an initial I / O device configuration; and determining an updated I / O device configuration for the given I / O Device, based on the initial I / O device configuration of the given I / O Device and at least one of the plurality of received I / O device configurations. The determining is performed such that the updated I / O device configuration has improved device performance compared to the initial I / O device configuration.

A key depression amount sensor device (100) that is installed below keys of a piano, which keys are aligned along a longitudinal axis, and that detects a depression amount of each of the keys, the key depression amount sensor device including: an electronic circuit board (112) including a plurality of optical sensors that respectively detects the depression amounts of the keys by reflection of light; a housing (110) that extends along the longitudinal axis and houses the electronic circuit board; a clamp mechanism (130) that sandwiches an action beam (300), which is positioned below the keys, in a longitudinal axis direction; and a connection mechanism (120) that connects the clamp mechanism and the housing.

The present invention provides an information processing system for performing processing related to music using AI technology.　An information processing system according to the present invention includes an acquisition unit that acquires a trained music foundation model, and a generating unit that generates a trained model adapted to a downstream task on the basis of a training dataset related to the music foundation model and the downstream task. The model generating unit generates a plurality of trained models for each downstream task, on the basis of common intermediate features with the music foundation model, and a plurality of training datasets respectively corresponding to the plurality of the downstream tasks.

The present invention discloses a method for controlling a magnetic fluid to follow the movement of a music melody by using an electromagnet, which is characterized by comprising the following steps: S1, framing an audio signal; S2, calculating an average volume value of each frame; S3, obtaining a series of average volume values; S4, performing signal decomposition on the series of average volume values ​​by using an empirical mode decomposition algorithm; S5, calculating the first intrinsic mode function IMF obtained after decomposition. 1 All local maxima in S6. Calculate IMF 1 The difference between the length value and the position value of the last local maximum value; S7, judging the opening state of the electromagnet according to the obtained difference. The control method of the present invention can make the movement continuity of the magnetic fluid better and can be applied to the changes of various musical melodies.

To provide an information processing apparatus that can make a playback start position of time-series data correspond to an instruction position of image data simply with sufficient accuracy.SOLUTION: An information processing apparatus (21) has: a time-series data acquisition unit (22) that acquires a playback start time of time-series data; an image data acquisition unit (23) that acquires image data related to the time-series data; an instruction information acquisition unit (24) that acquires, during playback of the time-series data, instruction information related to an instruction time and an instruction position in the image data; and a data processing unit (25) that associates, by using the instruction information, the instruction position with an elapsed time representing the time elapsed from the playback start time of the time-series data corresponding to the instruction time.SELECTED DRAWING: Figure 2

A music search device, a music search method, and a music search program are provided that are capable of outputting information about an input code and the corresponding music. [Solution] A database 21 of a music search device 2 stores a plurality of registered music data 22. Each registered music data 22 includes a sequence of a plurality of registered code information and registered music information. An input control unit 23 enables input of input music data including a sequence of a plurality of input code information. An information acquisition unit 24 acquires the registered music information of the registered music data 22 corresponding to the input music data. The information acquisition unit 24 performs one or more comparisons. When at least a portion of the sequence of the plurality of input code information matches at least a portion of the sequence of the plurality of registered code information, the information acquisition unit 24 determines that the selected registered music data 22 is the registered music data 22 corresponding to the input music data. An output control unit 26 outputs the acquired registered music information.

The embodiment of the invention discloses a song-to-music-score conversion method, a song-to-music-score conversion device and a storage medium, and is used for the technical field of audio processing. In the embodiment of the invention, a to-be-converted music score song audio is acquired; performing pitch prediction, audio boundary prediction and strength prediction on the audio of the song to be subjected to spectrum conversion through the target song spectrum conversion model to obtain a predicted pitch, a predicted audio boundary and a predicted strength; and synthesizing the voice score of the song audio to be converted based on the predicted pitch, the predicted audio boundary and the predicted strength. Synthesizing the voice score of the song audio to be converted into the music score through the prediction pitch, the prediction audio boundary and the prediction strength obtained through prediction of the target song music score conversion model; the prediction strength in the human voice score of the audio of the song to be converted can reflect the rhythm information of the audio of the song to be converted, so that the human voice score can have more rhythm, and the accuracy of the converted human voice score is improved.

The invention discloses an automatic music transcription model training method and system, electronic equipment and a storage medium. The method comprises the following steps: extracting structured music score features and audio features; encoding the structured music score features to obtain music score encoding features, and encoding the audio features to obtain audio encoding features; inputting the music score coding features and the audio coding features into a Transform module; an output result of the Transform module is decoded, a target structured music score file is generated, and prediction probability distribution of Token is output; constructing a target loss function based on the real probability distribution and the predicted probability distribution; and training a Transform module in a back propagation mode by adopting the standard structured music score file, the target structured music score file and the target loss function to obtain a trained automatic music transcription model. The accuracy of automatic music transcription can be improved.

To estimate a beat point that is appropriately suitable to user's intention.SOLUTION: An information analysis system 100 includes a beat point estimation part 21 for estimating a plurality of beat points B by estimation processing to an acoustic signal A, a beat point edition part 24 for moving a target beat point selected by a user among the plurality of beat points B and one or more adjacent beat points located around the target beat point among the plurality of beat points on a temporal axis according to an instruction from the user, an update processing part 25 for updating estimation processing in accordance with movement of the target beat point and the one or more adjacent beat points. The beat point estimation part 21 re-estimates the plurality of beat points B by executing updated estimation processing to the acoustic signal A.SELECTED DRAWING: Figure 2

To provide a method and system for recommending and composing emotional music.SOLUTION: A method includes identifying a listener's current emotional state and a target emotional state, and generating an audio stream that is a music playlist to be presented to a user as auditory stimulation with an intention of producing a controlled trajectory of the listener's emotional state from the current state to the target state. The audio stream is generated by a machine learning system trained using data from the listener and / or other users indicating effectiveness of specific audio segments having specific features in producing a desired emotional trajectory, and is updated based on changes in an emotional state induced in the listener after exposure to the auditory stimulation. The machine learning system acquires, over time, a robust interpretation of a relationship between music and human emotion, and composes, masters, and / or adapts music configured to induce specific emotional responses in listeners.SELECTED DRAWING: Figure 17A

To allow a user to easily and appropriately understand evaluation on performance of a musical instrument.SOLUTION: An information processing system 100 includes: an information acquisition unit 41 for acquiring performance information regarding performance of an electronic musical instrument 20 by a user U; a response acquisition unit 42 for acquiring response information R of natural language corresponding to performance information; and an operation control unit 43 for performing notification operation for notifying response information R by a guide character displayed on a display device 15.SELECTED DRAWING: Figure 4

The system according to this embodiment aims to provide a comprehensive service, from generating musical scores and providing music instruction to matching members and suggesting performance opportunities. [Solution] The system according to the embodiment comprises a generation unit, a teaching unit, a matching unit, and a suggestion unit. The generation unit reads a song and generates a musical score. The teaching unit provides music instruction based on the musical score generated by the generation unit. The matching unit matches members based on the user data provided by the teaching unit. The suggestion unit proposes a performance setting based on the members matched by the matching unit.

The invention relates to the field of playing skill display, in particular to a playing skill display method and system, and the method comprises the steps: obtaining notes related to playing skill from a current music score; determining a first skill rule of the playing skill according to the first background information; wherein the first background information is used for representing category attributes of the music score; determining an adjustment interval of the playing skill according to the second background information; wherein the second background information is used for representing music attributes of adjacent music segments of the notes; correcting the first skill rule according to the adjustment interval to obtain a second skill rule; determining a reference music attribute according to the third background information; the third background information is used for representing music attributes of the notes; generating a skill expansion music score of the playing skill by adopting a second skill rule and the reference music attribute; wherein the first skill rule and / or the second skill rule are / is used for defining an analysis rule of at least one music attribute. According to the invention, the playing skill display accuracy and scene adaptability can be greatly improved.

To easily generate multiple pieces of musical score data from single piece of musical score data.SOLUTION: An information processing system comprises: a data acquisition unit 510 that acquires multiple pieces of performance data representing performance of a section of a musical piece; a performance data classification unit 511 that classifies the multiple pieces of performance data into multiple groups of performance data corresponding to different sections of the musical piece; and an editing processing unit 514 that replaces a specific section of the musical data representing the musical piece with performance data selected from the group of performance data corresponding to the specific section among the multiple groups of performance data.SELECTED DRAWING: Figure 4

Provided is a music-piece analysis device including: a voice analysis portion that extracts, from voice data of a music piece including a first part and a second part that can be separated in voice, voice data of the first part, data of a unit sound of the second part, and data indicating a pronunciation position of the second part; a display portion that causes GUI for rearranging the unit sound of the second part to be displayed; and a mix processing portion that generates mixed voice data in which the unit sound rearranged by an operation via the GUI is mixed with the voice data of the first part, in which the voice analysis portion detects a rhythm pattern of the music piece by synchronously adding the data indicating the pronunciation position of the second part by the unit of bar, and the display portion displays the GUI on the basis of the rhythm pattern.

To enable a user to easily confirm a difference of performance expression between model performance and user performance.SOLUTION: A control part of an information processing device derives a first smoothing processing value obtained by smoothing an index value on performance information on model performance and a second smoothing processing value obtained by smoothing an index value on performance information of user performance and displays a difference between the first smoothing processing value and the second smoothing processing value on a display part.SELECTED DRAWING: Figure 9

To provide a musical score which allows a participant to be improved to a level in which music can be performed in a short period of time under guidance of an instructor. etc.SOLUTION: Portions of practice lines are sequentially determined in the order of music progression with phrases or lines of an original musical score as targets. Portions in which a participant plays and portions in which the participant does not play are alternately connected, and a first practice line and a second practice line, in which these portions are complementarily exchanged, are constituted for the practice lines. Alternate performance is performed in which the participant plays performance portions of the first practice line and the second practice line, and an instructor plays pause portions of the first practice line and the second practice line continuously.SELECTED DRAWING: Figure 3

To provide a musical score output program, a musical score output device, and a musical score output method that can accurately arrange an ornamental note on a musical score to be output.SOLUTION: Notes N1, N2 being a series of notes are acquired from musical score data M, and a note-on time difference ΔL being the time difference between the starting times of the notes N1, N2 is acquired. When the note-on time difference ΔL is equal to or more than a first time difference Lmin1 and equal to or less than a second time difference Lmax1, the ratio between the velocity of the note N2 and the velocity of the note N1 is equal to or more than a velocity ratio Rg, and the sound production time of the note N1 is equal to or less than a sound production upper limit time Gd, the note N1 is detected to be a note to be an appoggiatura, and the note N2 is detected to be a note to which the appoggiatura is added. Consequently, from the notes N1, N2 to be ornamental notes of the appoggiatura, ornamental notes of the appoggiatura can be accurately set and displayed on a musical score.SELECTED DRAWING: Figure 2

The invention provides a music time coding method for artificial neural network modeling. The method aims at the coding requirement of music beat time, molecules are decomposed according to a fixed denominator for multi-bit independent classification coding, and the method comprises the following steps: setting the fixed denominator as a composite number and decomposing the composite number into a prime factor combination; the molecules are mapped into vectors, the value range of each bit is determined by a cardinal number of a prime factor combination, and the vectors are converted into one-hot coding sub-vectors with redundant components removed. The technical scheme of the invention solves the problem that the traditional mean square error (MSE) ignores the internal correlation of scores and has high sparsity in the topology recognition task of an optical music recognition system (OMR), and compared with a traditional coding method adopting floating point numerical output and a mean square error loss function under the conditions of the same data set, model architecture and training hyper-parameters, the method provided by the invention has the advantages that the coding efficiency is greatly improved; according to the method, the comprehensive error index is reduced by about 21%, and the model precision and the training efficiency are improved.

The invention discloses a music score conversion method, electronic equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: acquiring a target song audio; performing lyric time value prediction on the target song audio to obtain a lyric word sequence and a time value corresponding to each lyric word in the lyric word sequence; performing pitch quantity prediction on the target song audio to obtain a pitch quantity corresponding to each lyric word in the lyric word sequence; determining a pitch value corresponding to each lyric word in the lyric word sequence based on the hour value and the pitch quantity corresponding to each lyric word; and generating a music score corresponding to the target song audio based on the lyric word sequence and the hour value and the pitch value corresponding to each lyric word in the lyric word sequence. According to the invention, the operation process of music spectrum conversion is simplified, and the accuracy of music spectrum conversion is improved.

Efficiently generates visuals that match the image of the music. [Solution] The information processing device 1 comprises an acquisition unit 11 that acquires music data DM representing a song, an estimation unit 12 that uses a trained model MJ that has learned the relationship between the features of a song and the features of an image to estimate the features of an image corresponding to the song represented by the music data DM at predetermined intervals, and a generation unit 13 that generates video data DMV representing video synchronized with the song represented by the music data DM based on the estimation results of the estimation unit 12, wherein the predetermined period is an integer multiple of the beat duration of the song represented by the music data DM.

The invention relates to the technical field of digital media intelligent transmission, in particular to a data transmission method and system for a piano full recording and broadcasting system. The method comprises the following steps: synchronously acquiring audio and video signals and extracting a main sound frequency characteristic value; converting the frequency into a video transverse coordinate interval based on a preset key mapping table, and generating visual focusing area data; dividing a video frame into a high-priority block and a low-priority block according to the visual focusing area data, respectively executing fine coding and compressed coding, and packaging into a differentiated transport stream; and a receiving end performs smooth reconstruction on the block boundary after decoding. Through audio-driven cross-modal cooperative coding, the peak signal-to-noise ratio and subjective visual quality of a key hand action area are remarkably improved, the overall transmission code rate is effectively reduced, meanwhile, block artifacts generated due to quantization differences are eliminated, resource allocation and detail reduction are considered under limited bandwidth, and the method is suitable for large-scale popularization and application. And the real-time performance and the picture fineness in a remote piano teaching and appreciation scene are improved.

This information processing system includes: a characteristic acquisition unit 51 for acquiring an operation characteristic Xa related to a keyboard instrument; a performance analysis unit 52 for specifying a performance characteristic F corresponding to the operation characteristic Xa by analyzing a result of performance by a user using the keyboard instrument; and a display control unit 53 for displaying the operation characteristic Xa and the performance characteristic F on a display device 34.

The information processing system includes: a content generating unit that generates content by using one or more material data generated from original content; and a metadata adding unit that adds content metadata to the content, the content metadata including material information related to the material data used to generate the content and generation information related to the generation of the content.

An apparatus for archiving music created on guitars including acoustic and electric, comprising an archiving device configured to record as well as archive any combination of riffs, songs, and leads comprises a PCB that comprises all the electrical connections along with a pair of batteries to power up the archiving device, wherein the PCB comprises a controller configured to detect music played on the said guitar and automatically record the music played upon a memory card inserted into the memory card slot; a disc-shaped user interface plate that sits beneath a knob of a potentiometer on the top surface of the said guitar, wherein the user interface plate has a plurality of buttons, a plurality of LEDs, a memory card slot, and a USB slot.

To provide a music retrieval device, a music retrieval method and a music retrieval program, which can output information on music corresponding to arrangement of inputted codes.SOLUTION: A database 21 of a music retrieval device 2 stores a plurality of pieces of registered music data 22. Each registered music data 22 includes arrangement of a plurality of pieces of registered code information and registered music information. An input control part 23 can input input music data including the arrangement of a plurality of pieces of input code information. An information acquisition part 24 acquires registered music information of registered music data 22 corresponding to input music data. The information acquisition part 24 performs comparison for one time or more. When at least a part of arrangement of a plurality of pieces of input code information matches at least a part of arrangement of a plurality of registered code information, the information acquisition part 24 determines selected registered music data 22 as registered music data 22 corresponding to input music data. An output control part 26 outputs acquired registered music information.SELECTED DRAWING: Figure 1

To provide a sound generating method, a training method, a sound generating device, a training device, a sound generating program, and a training program with which natural voices can be easily acquired.SOLUTION: Input of a first feature quantity column in which musical feature quantities temporally change is received by a receiving unit 12. The first feature quantity column is processed by using a trained model M, and a sound data column corresponding to a second feature quantity column in which the feature quantities change at second fineness is generated by a generating unit 13. The trained model M is a machine learning model that has learned an input-output relationship between an input feature quantity column in which the feature quantities temporally change at first fineness and a reference sound data column corresponding to an output feature quantity column in which the feature quantities temporally change at the second fineness higher than the first fineness.SELECTED DRAWING: Figure 2

To generate data to be used as a temporal reference for video data, from the video data.SOLUTION: A performance analysis system 40 includes: a video data acquisition unit 51 that acquires video data X generated by capturing an image of a percussion instrument; an analysis processing unit 53 that analyzes the video data X, thereby detecting vibrations caused by performance in the percussion instrument; a performance data generation unit 54 that generates performance data Q representing the performance in accordance with a result of detection; and a metrical data generation unit 56 that generates metrical data R representing a metrical structure from the performance data Q.SELECTED DRAWING: Figure 9

The present application relates to a twelve-semitone isomorphic keyboard or soundboard group, which adapts to the natural arch of five fingers by using color allocation layouts, tone key shapes, concave-convex touch recognition points, etc., so as to achieve the technical effects of quickly identifying note positions, and simplifying and unifying fingering. Correspondingly, the structures of transmission apparatuses of a piano and an electronic organ are also changed. The present application further relates to a matching twelve-semitone independent-note isomorphic notation method, and software and apparatuses for music score creation, music score singing and note singing. A system endows a music score with various pattern identification detail features to match the music scores to note positions of a musical instrument on a one-to-one basis, such as a twelve-semitone pitch scale, a series of octave clefs, opposite notehead-stem directions between lines, zigzag bar lines and four sets of note systems, making music score information intuitive and concise, and reducing the workload of brain conversion during music score recognition, and thus increasing the reaction speed. The software and apparatuses for music score creation, music score singing and note singing are powerful tools for recording vocal music in a music score form and teaching music score singing.

To provide a performance part tracking device which can correctly track a performance part and reduces a burden on a player.SOLUTION: A performance part tracking device 2 includes: a musical score image analysis unit 11 for performing musical score analysis processing on a musical score image and generating a marker for performance part tracking; a performance operation analysis unit 12 for detecting timing when a player plays a next note by performing performance operation analysis processing on a player image; and a performance part determination unit 13 for determining a performance part from a timing at which the performance operation analysis unit 12 detects and synthesizing the markers.SELECTED DRAWING: Figure 2