PSY474H5 Lecture Notes - Lecture 8: Emotivism, Mnemonic, Sound Localization
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Identifying where things are: other aspe(cid:272)ts of (cid:862)s(cid:272)e(cid:374)e(cid:863), e. g. , (cid:448)olu(cid:373)etri(cid:272) features of e(cid:374)(cid:448)iro(cid:374)(cid:373)e(cid:374)t. Masking: energetic masking: the stimuli are just washed out. Informational masking: confuse the target sensory input with other sensory inputs. E. g. , people speak together, you cannot clearly identify what your friend says. Things affecting masking: differences in intensity (snr: signal-to-noise ratio, stream segregation (sound localization) In the case of speech: audiovisual cues, such as face, gestures. Is the higher pitch more perceptible: e. g. , is the fe(cid:373)ale"s (cid:448)oi(cid:272)e (cid:373)ore per(cid:272)epti(cid:271)le tha(cid:374) (cid:373)ale"s (cid:448)oi(cid:272)e. What (cid:373)akes spee(cid:272)h (cid:862)clear(cid:863): clear speech vs. unclear speech, but may vary across individuals. What makes a voice nice to listen to: take a sample of talkers, rate the niceness of their sounds, analyze the feature of the nice sounds. Linguistic information (cid:862)i(cid:374)de(cid:454)i(cid:272)al i(cid:374)for(cid:373)atio(cid:374)(cid:863: age, sex, status as native/ nonnative speaker, stereotyped voice: movie advertisements, foreign accents, dialectal accents, e. g. , use english speaker with italian accent to advertise italian pizza.
