Prof. Dr. Christine Mooshammer

Prof. Mooshammer erforscht, wie Menschen in Gesprächen ihre Sprache und ihren Atem aufeinander abstimmen — etwa Sprechgeschwindigkeit, Tonhöhe und Atemrhythmus. Aktuell untersucht sie, ob und wie diese physiologischen Anpassungen durch emotionale oder physische Zustände des Gesprächspartners beeinflusst werden, und erfasst dabei auch körperliche Reaktionen wie Hauttemperatur. Für Unternehmen relevant ist dies bei der Entwicklung von Spracherkennungssystemen, Robotik und Mensch-Maschine-Interaktion, wo natürlichere Kommunikation durch besseres Verständnis dieser Koordinationsmechanismen erreicht werden kann. Sie nutzt dazu Laborexperimente mit Sprachaufnahmen, Atemaufzeichnungen und physiologischen Messungen.

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• Workshop: Interpersonal coordination and phonetic convergence

  Quelle ↗

  Zeitraum: 04/2014 - 09/2014 Projektleitung: Prof. Dr. Christine Mooshammer

• Intrinsische richtungsabhängige Geschwindigkeiten von Artikulatoren

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  Förderer: DFG Sachbeihilfe Zeitraum: 07/2017 - 07/2020 Projektleitung: Prof. Dr. Christine Mooshammer

• SFB 1412/1: Non-native addressee register: Variation in der Interaktion mit Nichtmuttersprachler*innen (TP C06)

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  Förderer: DFG Sonderforschungsbereich Zeitraum: 01/2020 - 12/2023 Projektleitung: Prof. Dr. Christine Mooshammer, Prof. Dr. Anke Lüdeling

• Toward Improved Spectral Measures of /s/: Results From Adolescents

  2013

  Journal of Speech Language and Hearing Research · DOI

  PURPOSE: This article introduces theoretically driven acoustic measures of /s/ that reflect aerodynamic and articulatory conditions. The measures were evaluated by assessing whether they revealed expected changes over time and labiality effects, along with possible gender differences suggested by past work. METHOD: Productions of /s/ were extracted from various speaking tasks from typically speaking adolescents (6 boys, 6 girls). Measures were made of relative spectral energies in low- (550-3000 Hz), mid- (3000-7000 Hz), and high-frequency regions (7000-11025 Hz); the mid-frequency amplitude peak; and temporal changes in these parameters. Spectral moments were also obtained to permit comparison with existing work. RESULTS: Spectral balance measures in low-mid and mid-high frequency bands varied over the time course of /s/, capturing the development of sibilance at mid-fricative along with showing some effects of gender and labiality. The mid-frequency spectral peak was significantly higher in nonlabial contexts, and in girls. Temporal variation in the mid-frequency peak differentiated ±labial contexts while normalizing over gender. CONCLUSIONS: The measures showed expected patterns, supporting their validity. Comparison of these data with studies of adults suggests some developmental patterns that call for further study. The measures may also serve to differentiate some cases of typical and misarticulated /s/.

• Jaw and Order

  2007

  Language and Speech · DOI

  It is well-accepted that the jaw plays an active role in influencing vowel height. The general aim of the current study is to further investigate the extent to which the jaw is active in producing consonantal distinctions, with specific focus on coronal consonants. Therefore, tongue tip and jaw positions are compared for the German coronal consonants /s, f, t, d, n, l/, that is, consonants having the same active articulators (apical/laminal) but differing in manner of articulation. In order to test the stability of articulatory positions for each of these coronal consonants, a natural perturbation paradigm was introduced by recording two levels of vocal effort: comfortable, and loud without shouting. Tongue and jaw movements of five speakers of German were recorded by means of EMMA during /aCa/ sequences. By analyzing the tongue tip and jaw positions and their spatial variability we found that (1) the jaw's contribution to these consonants varies with manner of articulation, and (2) for all coronal consonants the positions are stable across loudness conditions except for those of the nasal. Results are discussed with respect to the tasks of the jaw, and the possible articulatory adjustments that may accompany louder speech.