Pathological Speech Intelligibility Assessment based on the Short-Time Objective Intelligibility Measure
Impaired speech intelligibility in motor speech disorders arising
due to neurological diseases negatively affects the communication
ability and quality of life of patients. Reliable and cost-effective
measures to automatically assess speech intelligibility are necessary
for the management of such disorders. In this paper, we propose
to automatically assess the intelligibility of pathological speech
based on short-time objective intelligibility measures typically used
in speech enhancement, which however require a reference signal
that is time-aligned to the test signal. We propose a method to
create an utterance-dependent reference signal of intelligible speech
from multiple healthy speakers. In order to assess intelligibility, the
pathological speech signal is aligned to the created reference signal
using dynamic time warping and the divergence between the two
signals is quantified using either the short-time or the spectral correlation. Experiments on databases of English and French patients
suffering from Cerebral Palsy and Amyotrophic Lateral Sclerosis
show that the proposed intelligibility measures can obtain a high correlation with subjective intelligibility ratings, outperforming several
state-of-the-art pathological speech intelligibility measures.
WOS:000482554006127
2019
978-1-4799-8131-1
New York
6405
6409
Event name | Event place | Event date |
Brighton, ENGLAND | May 12-17, 2019 | |