Linguistic categories and speech perception
Linguistic categories and speech perception
Linguistic categories and speech perception
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Acoustic/Auditory invariance theory<br />
Stevens & Blumstein (1978)<br />
……. Stevens (2002)<br />
+consonantal -consonantal<br />
• For each DF there is a binary<br />
response to an invariant acoustic<br />
or auditory property (recently<br />
modifed to a (continuous)<br />
probability of response)<br />
• e.g. particular changes in spectral<br />
shape over short time periods at<br />
crucial parts of the signal<br />
– segment boundaries<br />
– vowel steady states<br />
change<br />
little change<br />
Stevens (2002) JASA 111, 1872-1891<br />
Stevens & Blumstein (1978) JASA 64, 1358-1368
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