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Overview and Evaluation of Sound Event Localization and Detection in DCASE 2019

IEEE/ACM transactions on audio, speech, and language processing, 2021, Vol.29, p.684-698 [Peer Reviewed Journal]

ISSN: 2329-9290 ;EISSN: 2329-9304 ;DOI: 10.1109/TASLP.2020.3047233 ;CODEN: ITASD8

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  • Title:
    Overview and Evaluation of Sound Event Localization and Detection in DCASE 2019
  • Author: Politis, Archontis ; Mesaros, Annamaria ; Adavanne, Sharath ; Heittola, Toni ; Virtanen, Tuomas
  • Subjects: Acoustic scene analysis ; Acoustics ; Azimuth ; Hidden Markov models ; Measurement ; microphone arrays ; sound event localization and detection ; sound source localization ; Speech processing ; Task analysis ; Two dimensional displays
  • Is Part Of: IEEE/ACM transactions on audio, speech, and language processing, 2021, Vol.29, p.684-698
  • Description: Sound event localization and detection is a novel area of research that emerged from the combined interest of analyzing the acoustic scene in terms of the spatial and temporal activity of sounds of interest. This paper presents an overview of the first international evaluation on sound event localization and detection, organized as a task of the DCASE 2019 Challenge. A large-scale realistic dataset of spatialized sound events was generated for the challenge, to be used for training of learning-based approaches, and for evaluation of the submissions in an unlabeled subset. The overview presents in detail how the systems were evaluated and ranked and the characteristics of the best-performing systems. Common strategies in terms of input features, model architectures, training approaches, exploitation of prior knowledge, and data augmentation are discussed. Since ranking in the challenge was based on individually evaluating localization and event classification performance, part of the overview focuses on presenting metrics for the joint measurement of the two, together with a reevaluation of submissions using these new metrics. The new analysis reveals submissions that performed better on the joint task of detecting the correct type of event close to its original location than some of the submissions that were ranked higher in the challenge. Consequently, ranking of submissions which performed strongly when evaluated separately on detection or localization, but not jointly on both, was affected negatively.
  • Publisher: IEEE
  • Language: English
  • Identifier: ISSN: 2329-9290
    EISSN: 2329-9304
    DOI: 10.1109/TASLP.2020.3047233
    CODEN: ITASD8
  • Source: IEEE Open Access Journals
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