Simple scheme for compressing sparse representation of melodic music

Laura Rebollo-Neira, Ivandro Sanchez

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A simple scheme for compressing sparse representation of melodic music is outlined. The method is designed to store the output of sparse approximation (SA) of that class of signals. Sparsity is achieved using a trigonometric dictionary and a dedicated greedy strategy aiming at approximating the signal at the good point-wise quality. Comparisons to the popular MP3 standard illustrate the suitability of the scheme for storing, in a small file, SA of melodic music.
    Original languageEnglish
    Pages (from-to)171 - 173
    Number of pages2
    JournalElectronics letters
    Volume54
    Issue number3
    Early online date11 Dec 2017
    DOIs
    Publication statusPublished - 8 Feb 2018

    Bibliographical note

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    Keywords

    • signal representation
    • electronic music
    • approximation theory

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