27.819, Calls: Phonetics, Phonology/USA

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LINGUIST List: Vol-27-819. Fri Feb 12 2016. ISSN: 1069 - 4875.

Subject: 27.819, Calls: Phonetics, Phonology/USA

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Date: Fri, 12 Feb 2016 17:13:09
From: Marzena Zygis [zygis at zas.gwz-berlin.de]
Subject: Dynamics and Representation of Turbulent Sounds

 
Full Title: Dynamics and Representation of Turbulent Sounds 

Date: 13-Jul-2016 - 13-Jul-2016
Location: Ithaca, NY, USA 
Contact Person: Marzena Zygis
Meeting Email: turbulentsounds_labphon at zas.gwz-berlin.de
Web Site: http://labphon.org/labphon15/event_turbulent_call 

Linguistic Field(s): Phonetics; Phonology 

Call Deadline: 30-Apr-2016 

Meeting Description:

The acoustics of turbulent sounds are difficult to model because the source is
random noise rather than glottal oscillation and there are nonlinearities in
the aerodynamic interactions between source and filter. In stops and
affricates, these difficulties are obviously compounded by the inherently
dynamic characteristics of the sounds. However, evidence is now mounting that
sibilant fricatives also are dynamic, showing spectral changes over the course
of the turbulence due not only to effects of palatalization or rounding from
neighboring vowels and other segments, but also to the dynamics of the jaw
rising from and lowering into neighboring vowels. Moreover, sibilant spectra
can also be affected by the dynamics of the respiratory and laryngeal system
in co-produced rising versus falling boundary pitch movements, as well as by
conflicts in laryngeal features of the fricative and of adjacent sounds. In
light of this evidence of variability across the purported steady-state
interval, a fundamental question arises regarding sufficient ways of
measuring, modeling and evaluating the dynamics of sibilants (and
correspondingly other turbulent sounds as well). This question is further
confounded by examination of contrastive turbulent sounds, and especially
sibilants, in languages other than English, where commonly used measures in
English (such as Centre of Gravity) have been shown to be inadequate for
capturing contrasts. Furthermore, it remains unclear how these dynamic
production patterns influence the perceptual representations of sounds in
contrast. Studies using synthesis to examine dynamic perceptual cues tend to
synthesize steady-state fricatives so that dynamic properties are focused in
neighboring vowel formants, and we are very far from understanding what are
critical acoustic cues contributing to the perception of categorical
distinctions involving these sounds. In light of this question we are
especially interested in perception of various sibilant systems by the same
speaker, such as differences in perceiving sibilants in a second language
where the inventory of contrasts and phonotactic dependencies differ from
those of the sibilant system in the listener's first language. This workshop
aims to bring together researchers who have been addressing these questions,
in a forum where different approaches can be compared and evaluated against
data from a wide range of languages.

Schedule of workshop: Two invited tutorial presentations will be followed by a
dedicated poster session where audience members can interact in a more dynamic
exchange with authors of submitted papers and then an extended discussion
period.

Tutorial 1: Khalil Iskarous (University of Southern California, USA) on the
articulatory dynamics of turbulent sounds and their mapping to acoustics.
Tutorial 2: Patrick Reidy (University of Wisconsin-Madison, USA) on the
spectral kinematics of turbulent sounds using psychoacoustically-based
spectral measures.

Poster session: We will accept up to 10 posters for presentation in a poster
session that will be long enough for all posters to be viewed by all members
of the audience.

Discussion: Interactive discussion among the tutorial presenters, the poster
authors, and the audience, to be led by the workshop organizers.

Note: This schedule allows participants in this workshop to also attend the
workshop on Speech dynamics, social meaning, and phonological categories to be
held on the same day.

Organizers:
Marzena Żygis, Centre for General Linguistics (ZAS) & Humboldt University,
Berlin, Germany
Mary E. Beckman, Ohio State University, Columbus, Ohio, USA


Call for Papers:

We solicit papers related to the dynamics and representation of turbulent
sounds for presentation in a small poster session. Authors are welcome to
submit more than one paper, but we ask that they be prioritized, in case we
need to limit the number of accepted posters to fit into the allotted time.

Submit abstracts of not more than 2 pages, including references, as a pdf to:
turbulentsounds_labphon at zas.gwz-berlin.de

Submission deadline: 30 April 2016
Notification of acceptance: 10 May 2016

Registration: There will be a registration fee (free for members of the
Association for Laboratory Phonology; otherwise $15 for students, $30 for
others) to cover the box lunch that will be provided to registered
participants. Please register by 29 June 2016 at the link:
http://labphon.org/labphon15/event_turbulent_call




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