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90 results about "Numbered musical notation" patented technology

The numbered musical notation (simplified Chinese: 简谱; traditional Chinese: 簡譜; pinyin: jiǎnpǔ; literally: 'simplified notation'), is a musical notation system widely used in music publications in China (not to be confused with the integer notation). It dates back to the system designed by Pierre Galin, known as Galin-Paris-Chevé system. It is comparable to the Gongche notation from the Tang Dynasty.

Interactive dynamic colorful form and meaning music score explaining method and musical instrument playing teaching and practicing device

The invention discloses an interactive dynamic colorful form and meaning music score explaining method and a musical instrument playing teaching and practicing device. The device comprises a colorful line keyboard musical instrument, a playing sensing module, a control module and a touch display screen. A dynamic form and meaning music score and a real person finger technique teaching and practicing music score are manufactured in advance according to the music score, keyboard distribution of a keyboard musical instrument and the real person teaching and practicing playing condition; the music score (such as a numbered musical notation and a stave) is visually and completely analyzed through the dynamic form and meaning music score, colorful vertical score lines corresponding to keys of a colorful line keyboard one to one represent the pitch, and aureole dynamic water leakage balls represent the pitch, sound value and sound volume of notes; the playing key positions and real-time prompts of the playing finger technique are shown in the real person finger technique teaching and practicing music score. When playing practicing is conducted, the music score is converted into the dynamic form and meaning music score, the real person finger technique teaching and practicing music score is downloaded through the parallel Internet, real-time broadcasting is conducted, a player is helped to quickly read the music score, the keys and the playing gestures are mapped, beginners and amateurs can be helped to quickly learn the rudiments of playing and conduct playing, and then the learning interestingness is promoted.
Owner:GUANGZHOU FENGPU INFORMATION TECH CO LTD

Method for stimulating playing of music instrument and recording music score by use of computer

The invention relates to a method for stimulating playing of a music instrument and recording a music score by use of a computer. The method is characterized by comprising the following steps: 1) defining the keys of a computer keyboard, and generating a virtual keyboard interface displaying definition content on a computer screen; 2) finding out corresponding notes and pitches through triggered key feature codes, starting playing the pre-defined and set volume and pitches by utilizing a Midi pronunciation function; 3) determining a duration instantaneous value of corresponding notes by calculating the difference of time between two keys successively pressing down or the time when the key is pressed down, and stopping playing of firstly pressed down note or simultaneously starting playing and lately playing note when the duration time ends; and 4) after determining the note and pitch and duration, generating musical notation or / and numbered musical notation at the preset area of the computer screen. According to the method, the problems that the existing method is unreasonable in distribution of the keyboard, difficult to master, low in musical notation generation efficiency, needs post-compilation, unfavorable to improvisation and recording and poor in interestingness can be fundamentally solved.
Owner:李荣广

Song recommendation method based on singer voice characteristics

The invention relates to a song recommendation method based on singer voice characteristics. According to the method, a song characteristic file library is built according to song numbered musical notations, music-free singing tapes of singers and other information; singing ranges of songs are extracted, a voice timbre embedding space is built, and voice timbre characteristics of original singers are obtained; singing ranges and voice timbre representations are extracted from music-free record files of the singers, and the voice characteristics of the singers are depicted; the sound level distribution conditions of the songs and singing ability evaluation values of the singers at all sound levels are calculated, and the matching degree of the user singing range and song singing range requirements is calculated; voice fragments of the singers are embedded in the voice timbre embedding space, and the voice timbre similarity of the voice fragments and each singer in the embedding space is calculated. By means of the method, the singing range matching degree of the singers and the voice timbre similarity can be considered comprehensively, and the recommendation degree of each song to a user is calculated.
Owner:FUZHOU UNIV

Song searching method, device and system

The invention provides a song searching method, device and system. The song searching method includes the steps that the information of a song to be searched for is received, wherein the information of the song to be searched for includes the numbered musical notation sequence of the song to be searched for or the humming information of the song to be searched for; the song searching result is obtained according to the information of the song to be searched for, wherein the song searching result is determined after comparing the numbered musical notation sequence of the song to be searched for determined according to the information of the song to be searched for with a prestored numbered musical notation sequence; the song searching result is displayed. By means of the song searching method, the song searching effect can be improved.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD

Blank musical notation emerged with staff and numbered notation and corresponding to piano keyboard and musical note form

A blank music score and musical note form fusing staff and numbered musical note and visually corresponding to keyboard of piano is prepared as using double-color sound strip system to present normal staff, forming said system by arranging two different colors of horizontal sound strips in top and bottom rows form in order to correspond white / black keys on piano, setting arrangement sequence of top and bottom sound strips to be as the same as arrangement sequence of piano keys from left to right and selecting numbers of sound strips according to gamut covered by music score requiring to be recorded.
Owner:郝佳

Document auditing method, device and system, equipment and storage medium

The embodiment of the invention discloses a document auditing method, device and system, equipment and a storage medium. The method comprises the following steps: acquiring an object numbered musicalnotation format document sent by a document analysis component, and acquiring a preset machine learning model and a document auditing rule matched with the object numbered musical notation format document according to a business scene of the object numbered musical notation format document; extracting key information in the object numbered musical notation format document through a preset machinelearning model; and generating a document auditing result through a rule engine according to the document auditing rule and the key information, and sending the document auditing result to the webpagecomponent. According to the embodiment of the invention, the matched preset machine learning model and document auditing rule can be obtained according to the business scene. The key information in the object numbered musical notation format document can be accurately extracted through the preset machine learning model, and then document auditing is carried out through the rule engine according to the document auditing rule and the key information, so that the document auditing requirements under different business scenes are met, and the document auditing effect and the document auditing efficiency are improved.
Owner:DATAGRAND TECH INC

Singer effective range extraction method

InactiveCN105825868AEffective range is accurateStrong pitch controlSpeech analysisComputer scienceNumbered musical notation
The invention relates to a singer effective range extraction method. The method comprises steps that an MIDI pitch value sequence of a singer singing a song can be acquired through analyzing a recording file of the song sung by the singer; an MIDI pitch reference sequence of the same song is acquired through analyzing the notation information of the same song in a music database; the completion quality of a sound level X is defined as the proportion of accurate singing times of the sound level X of the singer to the total occurrence times of the sound level X in the notation; on the condition that a sound level completion degree is greater than a designated threshold, the smallest basic sound level of MIDI values and the largest basic sound level of the MIDI values of the singer are extracted and are taken as an effective range of the singer; when the singer sings a new song, and the effect range scope is expanded, the effective range of the singer is updated. Through analysis on the effective range of the singer, songs suitable for being sung in the effective range in the music database can be recommended to the singer.
Owner:FUZHOU UNIV

Method and device for displaying and making music

The embodiment of the invention provides a method and a device for displaying and making music. The embodiment of the invention can be used for displaying a staff, a numbered musical notation or a piano keyboard to a user through equipment such as a computer, an electronic drawing board and the like. The user can input notes by using a mouse or the keyboard to click on the staff, input the numbered musical notation through numeric keys or input through a corresponding relationship of the mouse or the keyboard and the piano keyboard, thereby displaying and making the music. Meanwhile, external equipment in the device and the method for displaying and making the music can be an electronic piano, and the computer sounds according to key-presses of the electronic piano. Therefore, whether a piano key pressed in the process of playing the piano is right or not can also be verified through a preset opern of the computer.
Owner:甄生明

Method and apparatus for generating multimedia file

The embodiment of the invention discloses a method and apparatus for generating multimedia file. The method comprises: target original audio data corresponding to a target audio identifier are obtained and a target original spectral feature of the target original audio data is obtained; on the basis of a pre-trained audio extraction model, a target original-version-free singing spectral feature of target original-version-free singing audio data corresponding to the target audio identifier is calculated based on the target original spectral feature; according to the target original-version-free singing spectral feature, the target original-version-free singing audio data are generated; and fundamental frequency information of the target original-version-free singing audio data is extracted, a note value corresponding to the fundamental frequency information is obtained, and an audio numbered musical notation file corresponding to the target audio identifier is generated based on the note value. Therefore, an audio numbered musical notation file can be generated automatically; the accuracy of the audio numbered musical notation file is guaranteed; and the manufacturing efficiency of the audio numbered musical notation file is enhanced.
Owner:TENCENT MUSIC & ENTERTAINMENT SHENZHEN CO LTD

Method and system for generating fundamental frequency parameters in singing synthesis

The invention relates to the technical field of speech synthesis processing, and discloses a method and system for generating fundamental frequency parameters in singing synthesis. The method comprises the steps: receiving numbered musical notation information to be synthesized, wherein the numbered musical notation information comprises lybric labels, pitch labels, duration labels and rhythm information; determining a theoretical fundamental frequency parameter of each basic synthesis unit according to the pitch labels; determining a fundamental frequency reference model of each basic synthesis unit according to the lybric labels; optimizing the theoretical fundamental frequency parameters of the basic synthesis units according to the fundamental frequency reference models of the basic synthesis units. By means of the method and system for generating the fundamental frequency parameters in singing synthesis, not only can the stability of the fundamental frequency parameters be ensured, but also the fundamental frequency parameters can conform to the phonation characteristics and the fundamental frequency range of speakers, and the sound of a synthetic speech is improved effectively.
Owner:IFLYTEK CO LTD

Method and device for realizing voice singing

The embodiment of the invention discloses a method and device for realizing voice singing. The method includes: receiving a voice signal input by a user; segmenting the voice signal so as to obtain a voice fragment of each basic inspection unit; according to a preset numbered musical notation, determining a corresponding relation of notes in the numbered musical notation and the basic inspection units; according to the pitches of the notes in the numbered musical notation, and the corresponding relation, determining respectively target fundamental frequency values of corresponding basic inspection units; according to the beats of the notes in the numbered musical notation and the corresponding relation, determining respectively target durations of corresponding basic inspection units; and according to the target fundamental frequency values and the target durations, adjusting the voice fragments of the basic inspection units so that the adjusted fundamental frequency values of the voice fragments are equal to the target fundamental frequency value and the adjusted durations of the voice fragments are equal to the target duration. The method avoids loss of a plurality of signal conversions and realizes conversion of a voice of any length and any content into singing voice of any song.
Owner:IFLYTEK CO LTD

Key tone prompting method and device in input process

The embodiment of the invention provides a key tone prompting method and device in the input process. The method specifically comprises the steps of detecting key values of keys pressed by a user in the input process, obtaining a numbered musical notation sequence file corresponding to a current key value sequence or a selected numbered musical notation sequence file, using numbered musical notation notes in the numbered musical notation sequence file as prompting numbered musical notation notes corresponding to the keys and playing an audio file corresponding to the numbered musical notation notes, wherein the key value sequence is obtained by ranking the key values according to the order of detection time of the key values, and the numbered musical notation sequence file contains corresponding music chapters. By means of the key tone prompting method and device, key tones in the input process are enriched, and interactivity and user experience in the input process are enhanced.
Owner:BEIJING SOGOU TECHNOLOGY DEVELOPMENT CO LTD

Human voice melody extraction method and system based on numbered musical notation recognition and fundamental frequency extraction

The invention discloses a human voice melody extraction method and system based on numbered musical notation recognition and fundamental frequency extraction, and the system applies the method, and the method comprises the steps: carrying out the binarization of a numbered musical notation file corresponding to a to-be-processed song, processing an original audio file of the song into downsampledsingle-track audio, and separating a human voice waveform from the single-track audio; identifying notes and lyric pairs in the numbered musical notation to obtain a list of lyrics and notes; retrieving a list of lyrics and notes according to the libretto file to obtain a matching result sequence of libretto and notes; selecting a note, calculating the fundamental frequency of the note according to the separated human voice waveform, calculating the frequency of each note according to the calculated fundamental frequency and the relative relation of the notes, and converting the frequency of each note into midi pitch; and translating the matching result sequence of the row lyrics and the notes to obtain a matching result sequence of the row lyrics and the notes of which the pitches are matched with the midi pitches of the notes. The human voice melody with the pitch matched with the melody can be extracted.
Owner:成都潜在人工智能科技有限公司

Music information searching method, system, service terminal and customer terminal

The invention discloses a music information searching method, system, service terminal and client side in order to solve the problem of no searching related music information through a melody in the prior art. The music information searching method of the invention comprises: searching the corresponding music information from numbered musical notation database according to the numbered musical notation symbol of the music input by a consumer. The musical notation database comprises a music numbered musical notation symbol and the corresponding music information. The invention is used for searching related music information, which leads the consumer to search the related music information through the music melody, thereby satisfying the searching requirement of the consumer.
Owner:SHENZHEN THUNDER NETWORK TECH

Multi-application single sign-on method and device, equipment and storage medium

The invention discloses a multi-application single sign-on method and device, equipment and a storage medium The method comprises the following steps of: in response to a received login verification request, obtaining a session identifier in the login verification request; obtaining a javaScrip object numbered musical notation network token JWT corresponding to the session identifier; and verifying the JWT, generating login response information according to a verification result, and sending the login response information to a client. According to the method provided by the embodiment of the invention, the session identifier and the JWT are stored in an associated manner, so that login verification is carried out based on the session identifier, single sign-on flows under different sessionmanagement modes can be compatible, the modification on a business process is reduced, and the flexibility and compatibility of a framework are improved.
Owner:RUN TECH CO LTD BEIJING

Method for simplifying music playing

The invention provides a method for simplifying music playing. The method comprises the following steps of: by using a double-keyboard mode, giving 88 tones of a piano to a double-keyboard main key region; selecting partial or all keys to represent one musical instrument; and translating musics of a staff and a numbered musical notation into a new song music according to a notation method provided by the invention; the user can play the music like typing according to the new song music; and the method for simplifying music playing, provided by the invention, has the advantages of rapidness for learning, easiness for reading musics and suitability for various electronic music instruments and computer softwares and is beneficial for music popularization.
Owner:王海洋 +1

Music labelling method

InactiveCN1591517AReduce error rateMusicMusical toneSolmization
The present invention provides a new method for labelling music scores, and is aimed at making the music scores be easily known and read. Its technical scheme is characterized by that the musical tones in the music score can be respectively labelled with different colours according to its solmization or different rising tones and falling tones. For staff it also can adopt movable-do system to make labelling, and for numbered musical notation its rising tones, falling tones and normal position tones are respectively labelled by using different colours.
Owner:刘见平

Digital sight-singing piano with a fixed-solfège keyboard, continuous keys and adjustable tones by kneading piano keys

A digital sight-singing piano is disclosed with a fixed-solfège keyboard, continuous keys and adjustable tones by kneading piano keys, wherein the key can be varied continuously and the frequency of a piano key can be slightly adjusted by kneading the piano key during playing. The keyboard of the digital sight-singing piano has fixed solfège, wherein no matter what key is used for playing, the piano keys in a solfège key set always have the same correspondence to the solfège syllables of the numbered musical notation in one octave. A color graphic vector numbered musical notation is also disclosed, wherein extended solfège is used to describe pitch, different colors are used to indicate the positions of the piano keys to press, notation frames with fixed width are used to represent the beat unit, and font (i.e., bold or not) of musical notes are used to show the strength of pressing piano keys. The color graphic vector numbered musical notation is suitable for computer-aided notation. It can be exhibited in several different types and provide multi-dimension playing information. The color graphic vector numbered musical notation can also be combined with the fixed-solfège keyboard to facilitate sight-singing and make it easy to learn to play the piano.
Owner:GUANGZHOU FENGPU INFORMATION TECH CO LTD

Digital sight-singing piano with a fixed-solfège keyboard, continuous keys and adjustable tones by kneading piano keys

A digital sight-singing piano is disclosed with a fixed-solfège keyboard, continuous keys and adjustable tones by kneading piano keys, wherein the key can be varied continuously and the frequency of a piano key can be slightly adjusted by kneading the piano key during playing. The keyboard of the digital sight-singing piano has fixed solfège, wherein no matter what key is used for playing, the piano keys in a solfège key set always have the same correspondence to the solfège syllables of the numbered musical notation in one octave. A color graphic vector numbered musical notation is also disclosed, wherein extended solfège is used to describe pitch, different colors are used to indicate the positions of the piano keys to press, notation frames with fixed width are used to represent the beat unit, and font (i.e., bold or not) of musical notes are used to show the strength of pressing piano keys. The color graphic vector numbered musical notation is suitable for computer-aided notation. It can be exhibited in several different types and provide multi-dimension playing information. The color graphic vector numbered musical notation can also be combined with the fixed-solfège keyboard to facilitate sight-singing and make it easy to learn to play the piano.
Owner:GUANGZHOU FENGPU INFORMATION TECH CO LTD

Music score display method

InactiveCN106205569ASolve the problem of spectrum reading difficultiesImprove accuracyNotation recordingLow-pitchedNumbered musical notation
The invention discloses a music score display method, which comprises the following steps: (1) reading each note of a music score, recording a pitch h of each note of the music score, and identifying the highest pitch h1 and the lowest pitch h2 of the notes, within a special range, of the music score; (2) selecting a level range a of colors which are to be attached on the notes, and marking the highest level of the colors as A1 and the lowest level of the colors as A2, wherein A2=A1-a; (3) calculating a level value [delta]1 of each unit of pitch, wherein [delta]1=a / (h1-h2); and (4) calculating a level value A of color which is to be displayed by each note, wherein A=A1-[delta]1*(h1-h) or A=A2+[delta]1*(h-h2), and in accordance with the level value A, marking the color displayed by each note in accordance with the level of the pitches. With the implementation of the music score display method disclosed by the invention, the problem that song learners are difficult to read the music score, and numbered musical notation or song words can be presented in different colors in accordance with pitches thereof, so that the accuracy and the convenience of reading the music score are improved.
Owner:谢剑

Business platform deployment method, device and equipment, and storage medium

The invention relates to the technical field of computers, and provides a business platform deployment method, device and equipment and a storage medium, which are used for improving the efficiency of deploying multiple business platforms. The business platform deployment method comprises: acquiring and copying a resource packet to a preset directory, and the resource packet comprising a JS object numbered musical notation file, a test environment packet and a production environment packet; acquiring link information based on each service platform, and extracting routing information of each service platform from the link information; obtaining a decompression command, decompressing the resource packet through the decompression command to obtain a decompression file, and extracting target configuration information from the decompression file; and deploying the project information of each service platform to a target server according to the target configuration information and the routing information of each service platform, and generating a deployment resource file.
Owner:CHINA PING AN PROPERTY INSURANCE CO LTD

Configuration file import method, device and equipment and computer readable storage medium

The invention discloses a configuration file import method which comprises the following steps: receiving a configuration file in a first format corresponding to a first terminal, and converting the configuration file from the first format into a second format, the first format being an extensible markup language format, and the second format being a script object numbered musical notation format;outputting configuration parameters in the configuration file in the second format; after a modification operation triggered according to the configuration parameter is received, obtaining a modifiedconfiguration file corresponding to the modification operation; and updating the current configuration of the second terminal according to the modified configuration file. The invention further discloses a configuration file import device, configuration file import equipment and a computer readable storage medium. The exported configuration file is converted from the extensible markup language format into the script object numbered musical notation format for a user to modify configuration, and the configuration file is imported into the current equipment according to the modified configuration, so that the readability of the configuration file is improved, and the user modifies the configuration more conveniently.
Owner:SANGFOR TECH INC

Digital piano mate based on extended numbered musical notations

The invention provides a digital piano mate based on extended numbered musical notations. The rising or falling extended numbered musical notations changing with modes are displayed. The device comprises a mode selecting key, a rising or falling selecting key, a plurality of digital display blocks, a control unit, a power supply and a casing, wherein the mode selecting key is used for selecting playing modes; the rising or falling selecting key is used for selecting rising or falling of the extended numbered musical notations to be displayed by the digital display blocks; the digital display blocks display the extended numbered musical notations with different pitches and correspond to keys, and each key is matched with one corresponding digital display block; the control unit is used for controlling the digital display blocks to display the corresponding extended numbered musical notations according to the playing modes selected by the mode selecting key. The device is independent of a piano, is convenient to dismount, mount and carry and is placed above the keys, the extended numbered musical notations displayed by the device change under the mode program control, so that a piano beginner is not required to learn positions of the keys of different modes by rote, the keys are easy to find, learning and memorizing are convenient, and a beginner learns to play the piano rapidly by cooperation with sightsinging.
Owner:GUANGZHOU FENGPU INFORMATION TECH CO LTD

Induction-pressure-based music playing system and music playing method thereof

The invention discloses an induction-pressure-based music playing system which comprises a pressure collection unit, an audio playing unit, a music processing unit, a power supply and a controller, wherein the music processing unit internally has a music numbered musical notation library for storing music numbered musical notation information; the music numbered musical notation information comprises a plurality of pieces of note information; the music processing unit stores acoustic information respectively corresponding to the various pieces of note information. Compared with the prior art,the induction-pressure-based music playing system is high in selection randomness; a song selection mode is more novel and more interesting. The invention also provides an induction-pressure-based music playing method.
Owner:黑天鹅智能科技(福建)有限公司

Fundamental synthesis parameter generation method and system in singing synthesis system

The invention discloses a fundamental synthesis parameter generation method and system in a singing synthesis system. The method comprises the following steps: acquiring a numbered musical notation to be synthesized; determining all basic synthesis units of the numbered musical notation; acquiring fundamental synthesis parameters of all the basic synthesis units according to annotations of the numbered musical notation and taking the acquired fundamental synthesis parameters as first fusion parameters; determining fundamental synthesis models corresponding to the basic synthesis units according to annotations of the numbered musical notation to obtain a fundamental synthesis model sequence; and performing fusion optimization by use of the first fusion parameters and the fundamental synthesis model sequence to acquire fundamental synthesis parameters of the basic synthesis units. By adoption of the method and system, a synthesized speech is prevented from obvious out-of-tune on the premise of maintaining relatively high similarity and expression.
Owner:IFLYTEK CO LTD

Animation rendering method and device, electronic equipment and medium

PendingCN114742928AEasy to parseThere will be no hardware heating problemsAnimation3D-image renderingComputational scienceData pack
The embodiment of the invention provides an animation rendering method and device, electronic equipment and a medium, and aims to reduce the volume of a package required for rendering an animation, the method comprises the following steps: obtaining animation data in a JSON format of an object numbered musical notation, the animation data comprising layer data and resource data; the layer data comprises animation transformation data obtained by transforming the used picture on a layer; based on a hierarchical relationship among a plurality of layers indicated by the layer data, converting the layer data into a layer tree of a tree structure, and analyzing animation transformation data of each layer in the layer tree into frame sequence data; the frame sequence data comprises attribute data corresponding to each frame from a start key frame to an end key frame on the layer; based on the picture used by each layer, integrating data of each picture in the resource data to a corresponding node in the layer tree to obtain a general analysis tree of the animation data; and calling an animation rendering component realized in the application, and rendering the general parse tree into an animation.
Owner:BEIJING SANKUAI ONLINE TECH CO LTD

Form management system and form generation device

The embodiments of the invention provide a form management system and a form generation device. The form management system comprises: a form designer, which is at least configured with at least one description assembly which is used for generating form structure object numbered musical notation data and form object numbered musical notation data; and a server, which is used for storing the form structure object numbered musical notation data and the form object numbered musical notation data. When a birthday form page is needed, a form parser acquires the form structure object numbered musicalnotation data and the form object numbered musical notation data stored in a server of the form management system in any embodiments of the invention; and the form page is generated according to theform structure object numbered musical notation data and the form object numbered musical notation data, so complex form page generation requirements in the prior art are met.
Owner:爱信诺征信有限公司 +1

Display screen unlocking method, device and mobile terminal based on music identifier

The invention discloses a display screen unlocking method, device and mobile terminal based on a music identifier. The display screen unlocking method comprises the following steps: lightening the screen in a screen-locked state of the mobile terminal, and calling voice equipment to wait for receiving the audio numbered musical notation tune input by a user; receiving the audio numbered musical notation tune and identifying and converting into music digital numbered musical notation; and judging whether the music digital numbered musical notation is matched with the preset unlocking base identifier, wherein if so, the unlocking succeeds; otherwise, the unlocking failure is prompted. In the invention, the music numbered musical notation identifier is used as the unlocking base identifier, and the audio numbered musical notation tune is input in an input form of user speaking / singing, thus the unlocking experience of the user is effectively improved; when both hands of the user are busy, unlocking can be realized through the music numbered musical notation tune; meanwhile, a relatively long complicated password can be set, the password is convenient to memorize for specific users understanding music, and the science and technology impression as well as humanity is improved; and moreover, the encryption way is novel and unique and has strong encryption ability, and the password is hard to crack.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Algorithm for rapidly playing musical instrument through software

The present invention provides an algorithm for rapidly playing a musical instrument through software which is concretely applied in the music system development, belonging to the multimedia creation technology field. The algorithm revolves around 'nodes' (notes '0'-'7') in a numbered musical notation and performs data block segment of the numbered musical notation, and each data block has itself music features-pitches and length; a length calculation method is employed to obtain the audio frequency resource s(n) through the relative length r(n, d) of the nodes, the valued-added length a (n, j) of the data block and the basic mode basis of the whole music; the length calculation method is employed to obtain the play time y(n) corresponding to the audio frequency through the delay time spanning t(n, j) and the unit delay time span time of the data block; the length and the rhythm of the whole music is changed through correction of the basis and time values; the feature value of the data block corresponding to each 'node' is [s(n), y(n)]; and finally, a music numbered musical notation is translated to a large data block set [[s(0), y(0)], [s(1), y(1)], ..., [s(0), y(n)]. The development time is saved, the operation efficiency is high, the operation is simple, and the practicability is high.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
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