@InProceedings{He2017_226,
author = {Lei He and Volker Dellwo},
booktitle = {Studientexte zur Sprachkommunikation: Elektronische Sprachsignalverarbeitung 2017},
title = {Amplitude Envelope Kinematics of Speech Signal: Parameter Extraction and Applications},
year = {2017},
editor = {Jürgen Trouvain and Ingmar Steiner and Bernd Möbius},
month = mar,
pages = {107--113},
publisher = {TUDpress, Dresden},
abstract = {In this paper, we model the amplitude envelope of the broadband speech
signal as a kinematic system and calculate its basic parameters, including
displacement, velocity and acceleration. Such system captures the smoothed
amplitude fluctuation pattern over time, illustrating how energy is distributed across
the signal. Although the pulmonic air pressure is the primary energy source of
speech, the amplitude modulation pattern is largely determined by articulatory
behaviours, especially mandible and lip movements. Therefore, there should be a
correspondence between signal envelope kinematics and articulator kinematics.
Previous research showed that a tremendous amount of speaker idiosyncrasies in
articulation existed. Such idiosyncrasies should therefore be reflected in the envelope
kinematics as well. From the signal envelope kinematics, it may be possible to infer
individual articulatory behaviours. This is particularly useful for forensic
phoneticians who usually have no access to articulatory data, and clinical speech
pathologists who usually find it difficult to make articulatory measurement in clinical
consultations. Also in this paper, we illustrate a correspondence between the
amplitude envelope kinematics and the lower lip kinematics (X-ray pellet history
data) of one speaker reading one sentence. For future research, more speakers are
needed to record both speech and articulatory signals to build a statistical model
between the kinematics data of both domains.},
isbn = {978-3-959080-92-7},
issn = {0940-6832},
keywords = {Poster},
url = {https://www.essv.de/pdf/2017_107_113.pdf},
}