Automatic composition system and method for note vectors based on contextual information

A context and note technology, applied in the field of automatic composition system, can solve the problems that the composition network cannot learn the context of notes well, discount the effect of automatic composition, etc., and achieve the effect of relieving training pressure and improving accuracy

Active Publication Date: 2020-08-25
SOUTH CHINA UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the automatic composition of niche music, due to the inability to collect enough data sets, even if the composition network is perfectly built, without the supp

Method used

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  • Automatic composition system and method for note vectors based on contextual information
  • Automatic composition system and method for note vectors based on contextual information
  • Automatic composition system and method for note vectors based on contextual information

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Embodiment

[0047] Such as figure 1 Shown is a schematic diagram of the structure of the automatic composition system based on the note vector of the context information. The system includes a MIDI music preprocessing module, a musical note vector encoding module, an automatic composing network module, and a MIDI music synthesis and playback module connected sequentially. The MIDI music preprocessing module preprocesses the MIDI music file to determine the main melody track and extracts the note sequence. The note sequence includes two phonemes of pitch and sound length; the note vector encoding module forms [input note, target note] to the note sequence obtained by preprocessing The binary data group, and then through training to generate the note vector with context information, and form the note sequence represented by the note vector; the automatic composition network module uses the note sequence represented by the note vector as the training data of the composition network, and perf...

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Abstract

The invention discloses an automatic composition system and method for note vectors based on contextual information, and the method comprises the following steps: firstly carrying out the preprocessing of an MIDI music file through an MIDI music preprocessing module, and extracting a main melody note sequence comprising two phonemes: pitch and pitch; sending the main melody note sequence to a notevector coding module, wherein the module is used for training and generating a note vector with contextual information, the note vector with the contextual information enables subsequent compositionnetwork note prediction accuracy to be improved, and meanwhile the generated note vector is used for representing a main melody note sequence again; then, using the main melody note sequence which isgenerated by the note vector encoding module and represented by note vectors as training data to be sent to the automatic composition network module, wherein the module is used for generating a note sequence to be composed; and finally, restoring the note sequence to be composed into an MIDI format through an MIDI music synthesis and playing module, and playing the note sequence.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to an automatic music composition system and method based on context information-based note vectors. Background technique [0002] With the development of economy and society, people put forward higher requirements for spiritual life. In today's society, people's entertainment life is richer and more diverse, and music is a special social ideology, which can not only cultivate sentiment and regulate emotions, but also develop thinking and radiate emotions. , medical care, education and other aspects play an indispensable role. [0003] Composers are constantly trying new techniques and techniques to meet people's new needs. With the development of the mobile Internet, the number of multimedia short video users continues to increase. Numerous short videos, games, animations, etc. require a large number of original compositions to support, and the cost of professional music...

Claims

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Application Information

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IPC IPC(8): G10H1/00G06F40/284G06N3/04G06N3/08
CPCG10H1/0025G10H1/0066G06F40/284G06N3/08G10H2210/111G06N3/045
Inventor 韦岗杨镇曹燕
Owner SOUTH CHINA UNIV OF TECH
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