KUPPL
The University of Kansas
15 Blake Hall
Lawrence, KS 66045-3129
Phone: 785-864-3414
Fax: 785-864-5724
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Journal of
the Acoustical Society of America, 108, 1252-1263
Acoustic characteristics
of English fricatives
Allard Jongman,
Ratree Wayland, and Serena Wong
| This study constitutes
a large-scale comparative analysis of acoustic cues for classification
of place of articulation in fricatives. To date, no single metric has been
found to classify fricative place of articulation with a high degree of
accuracy. This study presents spectral, amplitudinal, and temporal measurements
that involve both static properties (spectral peak location, spectral moments,
noise duration, normalized amplitude, and F2 onset frequency) and dynamic
properties (relative amplitude and locus equations). While all cues (except
locus equations) consistently serve to distinguish sibilant from non-sibilant
fricatives, the present results indicate that spectral peak location, spectral
moments, and both normalized and relative amplitude serve to distinguish
all four places of fricative articulation. These findings suggest
that these static and dynamic acoustic properties can provide robust and
unique information about all four places of articulation, despite variation
in speaker, vowel context, and voicing. |
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