5 results about "Note value" patented technology

The invention discloses a harmonic texture and sequence reasoning fused audio-to-MIDI method and system, and relates to the technical field of audio processing. Aiming at the problem of insufficient transcription accuracy of the existing polyphonic music, the method comprises the following steps: carrying out time-frequency transformation on the polyphonic music to generate a spectrogram; constructing a time-frequency target detection network, detecting notes based on harmonic comb texture features, and outputting a time-frequency bounding box; constructing a sequence inference network to extract time sequence context features; carrying out local alignment and weighted fusion on the time sequence context features by using a time-frequency bounding box by adopting an ROI-guided gating fusion mechanism; and inputting the fusion features into a decoder to generate an MIDI sequence, and correcting the note time value by using a time-frequency bounding box. According to the method, the visual texture features and the music sequence logic are effectively fused, and the time precision and robustness of polyphonic music transcription are remarkably improved.

A music notation system for string instruments features a time signature indicator and measure sections with representations arranged in a single horizontal plane to eliminate spatial recognition requirements and avoid navigation across multiple information planes. Each representation includes colored numbers denoting fret positions and string colors, spatially arranged to eliminate the need for musicians to leap across different vertical positions when reading sequential notes. Graphical indicators positioned separately from and in proximity to the colored numbers specify note duration, with visual separation isolating rhythmic components from note identification. This reduces visual processing complexity, providing a method for string instrument players to interpret and perform musical compositions accurately without requiring spatial recognition skills.

Provided are a musical score and a practice set comprising the same that are for lessening the burden of reading a score when playing a stringed instrument. The present invention comprises a staff S and music notes N placed on the staff S, wherein: each music note N includes a music notehead N1 indicating a pitch and a note value, and an indication means N2 that is written together with the music notehead N1 and that shows an indicator for playing the pitch of said music notehead N1 on a prescribed stringed instrument 2; and the indication means N2 includes a string indication means N21 showing a string g1-g3 to be played on the stringed instrument 2, and a pressing position indication means N22 showing a position to be pressed on said string g1-g3.

A musical note value pie to show the mathematical relationship of basic musical notes among each other in reference to time duration of rhythm that includes a plurality of pie shaped segments of different colors representing different musical note values and a plurality of flash cards for teaching different note values, each of the flash cards being a different color commensurate with the note value represented.

This invention discloses an artificial intelligence-based automatic music composition and lyrics generation system and method, specifically relating to the field of automatic music composition and lyrics generation technology. It models the attenuation characteristics of melody pitch distribution and dynamic changes in a target acoustic environment and extracts the main emotion-carrying frequency band. It calculates an emotion transmission attenuation coefficient based on the degree of spectral attenuation, couples the emotion transmission attenuation coefficient with the temporal distribution relationship of the lyrics semantics, constructs a temporal evolution sequence of emotion perception shift, analyzes the alignment relationship between lyric syllable accents and melody beats, calculates a rhythmic clarity degradation index, quantifies the degree of rhythmic ambiguity, and unifies the emotion transmission attenuation coefficient and rhythmic clarity degradation index into an acoustic adaptation degradation state vector. Based on this vector, it jointly adjusts the melody pitch distribution, note value configuration, and lyric syllable density, adaptively optimizing the emotion expression path and rhythmic structure for different playback terminals and acoustic environments.