Synchronization and comparison of Lifelog audio recordings

Andreas Brinch Nielsen, Lars Kai Hansen

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    Abstract

    We investigate concurrent ‘Lifelog’ audio recordings to locate segments from the same environment. We compare two techniques earlier proposed for pattern recognition in extended audio recordings, namely cross-correlation and a fingerprinting technique. If successful, such alignment can be used as a preprocessing step to select and synchronize recordings before further processing. The two methods perform similarly in classification, but fingerprinting scales better with the number of recordings, while cross-correlation can offer sample resolution synchronization. We propose and investigate the benefits of combining the two. In particular we show that the combination allows sample resolution synchronization and scalability.
    Original languageEnglish
    Title of host publicationIEEE Workshop on Machine Learning for Signal Processing, 2008. : MLSP 2008
    PublisherIEEE
    Publication date2008
    Pages474-479
    ISBN (Print)978-1-4244-2375-0
    DOIs
    Publication statusPublished - 2008
    Event2008 18th IEEE Workshop on Machine Learning for Signal Processing - Cancún, Mexico
    Duration: 16 Oct 200819 Oct 2008
    Conference number: 18
    https://ieeexplore.ieee.org/xpl/conhome/4670334/proceeding

    Conference

    Conference2008 18th IEEE Workshop on Machine Learning for Signal Processing
    Number18
    Country/TerritoryMexico
    CityCancún
    Period16/10/200819/10/2008
    Internet address

    Bibliographical note

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