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Device and method and retrieval system for automatically generating music structural interface information

An interface information, automatic generation technology, applied in speech analysis, electro-acoustic musical instruments, special data processing applications, etc., can solve the problems of difficult real-time operation, difficult implementation, and high computational complexity

Inactive Publication Date: 2009-08-05
SAMSUNG ELECTRONICS CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the ensuing problem is that the computational complexity of this algorithm is very high, even on the PC platform, it is difficult to run in real time
For portable music players, which are now widely used, it is even more difficult to achieve

Method used

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  • Device and method and retrieval system for automatically generating music structural interface information
  • Device and method and retrieval system for automatically generating music structural interface information
  • Device and method and retrieval system for automatically generating music structural interface information

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Embodiment Construction

[0032] figure 1 is a structural block diagram of the music structural interface generator 100 according to the present invention. The data input to the music structural interface generator 100 are digital music files, including original wave files of music, digital music files after compression, multimedia files containing audio tracks, and symbolic music files (such as MIDI files), etc. . The output data of the music structural interface generator 100 is a music structural interface, including section segmentation information of songs, start time and attributes of each section, and so on. Algorithm of the present invention is mainly aimed at the most popular music genre (rock music and pop music) now, and the most popular digital music file format (MP3 file) now, but also can be applied to other music with similar algorithm or train of thought of algorithm of the present invention genres and other file formats.

[0033] The music structural interface generator 100 include...

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Abstract

The invention provides a device and a method automatically generating music structural interface information, and a system for searching musical files by humming music melody. The device comprises: a bit quantification modulation spectrum characteristic extraction unit used for extracting the modulation spectrum characteristic of a music signal and carrying out bit quantification to the modulation spectrum characteristic; a similarity matrix calculation unit used for calculating the similarity matrix by using the bit quantification modulation spectrum characteristic of the bit quantification modulation spectrum characteristic extraction unit; and a high-efficiency dynamic matching searching unit for automatically searching the starting time and attribute of song paragraph based on the similarity matrix calculated by the similarity matrix calculation unit and outputting the music structural interface information containing the starting time and attribute of the paragraph.

Description

technical field [0001] The invention relates to automatic audio / music segmentation, in particular to a device and method for automatically generating music structural interface information and a retrieval system. Background technique [0002] With the development of portable equipment and mobile storage technology, more and more digital music files have begun to spread on the Internet and personal portable multimedia players. Among them, most of the widely circulated songs belong to rock music or pop music. And these two kinds of music have a more typical structure, such as Figure 8 shown. [0003] Figure 8 Shown is the main melody score of a popular Chinese song with lyrics. It can be seen from the score that this is a song in 2 / 4 time. The first 8 bars are the intro of the song; the next 16 bars are the first verse; the next 16 bars are the first chorus; after that, the first 8 The bars are repeated as an intro to the song; followed by a 16-bar second verse; and fina...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10H1/00G10L11/00G06F17/30G10L25/03
Inventor 朱璇史媛媛邓菁
Owner SAMSUNG ELECTRONICS CO LTD
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