Efficient compression scheme for time codes in Karoake

Nam Hyeong Kim, Moo Rak Choi, Jun Sik Hwang, Min Cheol Hwang, Sung Jea Ko

Research output: Contribution to journalArticle

Abstract

In Karaoke, the displaying of lyrics synchronized with music is the most crucial feature. To synchronize lyrics with music, the time code has been widely used. In general, a huge amount of time codes for one song is required. Thus, the uncompressed time code is a big burden on the mobile device. In this paper, we propose a novel method to compress the time code for Karaoke further. The proposed method uses the correlation between neighboring time codes. In addition, an effective coding method is designed to compress the data of the time code. Experimental results show that the proposed method significantly reduces an amount of data of time codes and is easily applied to other composite contents with time code.

Original languageEnglish
Pages (from-to)235-238
Number of pages4
JournalIEEE Transactions on Consumer Electronics
Volume53
Issue number1
DOIs
Publication statusPublished - 2007 Feb

Keywords

  • Data compression
  • Karaoke
  • Time codes

ASJC Scopus subject areas

  • Media Technology
  • Electrical and Electronic Engineering

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