Efficient compression scheme for time codes in Karoake

  • Nam Hyeong Kim*
  • , Moo Rak Choi
  • , Jun Sik Hwang
  • , Min Cheol Hwang
  • , Sung Jea Ko
  • *Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    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

    Bibliographical note

    Funding Information:
    This research was supported by Seoul Future Contents Convergence (SFCC) Cluster established by Seoul Industry-Academy-Research Cooperation Project.

    Keywords

    • Data compression
    • Karaoke
    • Time codes

    ASJC Scopus subject areas

    • Media Technology
    • Electrical and Electronic Engineering

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