Patent ID: 7792831
Filing Date: 2010-09-07
Classification: G10H,Y10S

Abstract:
1. An apparatus for extracting the structure of song lyrics using a repeated pattern of the song lyrics, comprising: a memory for storing an audio file; a lyric extractor for extracting lyric information from metadata contained in the audio file; a character string information extractor for extracting an interlude section and a repeated character string based on the extracted lyric information; a paragraph extractor for extracting a paragraph based on the repeated character string and then a set of paragraphs having a same repeated pattern among the extracted paragraphs; a lyric structure generator module for arranging interlude sections, character strings, and paragraphs related to the audio file in a tree structure; and a controller which extracts a portion of the audio file based on the tree structure and outputs the extracted portion on an audio playing device.