The intelligibility of Lombard speech : communicative setting matters

Michael Fitzpatrick, Jeesun Kim, Chris Davis

    Research output: Chapter in Book / Conference PaperConference Paperpeer-review

    Abstract

    Recently we reported that talkers modified their speech production strategies in noise as a function of whether their interlocutor could or could not be seen, i.e. face-to-face (FTF) or non-visual conditions (NV). Participants made greater auditory speech modifications (e.g. in terms of amplitude and FO) in NV condition, and greater visual speech modifications (in terms of inter-lip area) in FTF condition [1]. The current study examined whether such modifications led to corresponding differences in speech intelligibility in the different settings. In the current experiment, participants were presented with a set of consonant-vowel-consonant (CVC) phonemes in noise at a fixed SNR in auditory-only, visual-only and auditory-visual conditions. The CVC stimuli were drawn from speech recordings in quiet and in noise conditions, and also during NV and FTF conditions from [1]. The results showed that the speech in noise tokens produced in the FTF conditions had a greater AV benefit than for tokens produced in the NV conditions. Also, the AV benefit was greater for speech tokens produced in noise than for speech produced in quiet. The results were discussed in terms of efficient talker and listener strategies.
    Original languageEnglish
    Title of host publicationInterspeech 2012 : Spoken Language Processing and Biomedicine : 13th Annual Conference of the International Speech Communication Association : September 9-13, 2012, Portland, Oregon
    PublisherInternational Speech Communication Association
    Number of pages4
    Publication statusPublished - 2012
    EventInternational Speech Communication Association. Conference -
    Duration: 9 Sept 2012 → …

    Publication series

    Name
    ISSN (Print)1990-9772

    Conference

    ConferenceInternational Speech Communication Association. Conference
    Period9/09/12 → …

    Keywords

    • Lombard speech
    • speech perception
    • auditory perception
    • noise

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