lecture11b

lecture11b - Perspectives on Speaker Recognition (part 1)...

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Perspectives on Speaker Recognition (part 1)
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What do we mean by “speaker recognition”? Many kinds of tasks fall under the general heading of “voice recognition” Long-term memory tasks Recognition, identification, verification Short-term memory tasks Discrimination
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The bottom line Many years of research have not yielded a satisfactory explanation--or even a very good description--of human abilities to recognize and discriminate among voices. An ethological/evolutionary perspective sheds light on the nature of our abilities to recognize voices.
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We are born recognizing voice Fetuses hear by 20-30 weeks gestational age. They recognize their mother’s voice by about 36 weeks gestational age Many studies document ability to recognize their mother’s voice immediately after birth.
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Mothers’ voices are “special” Neurophysiological evidence confirms that the mother’s voice has special meaning to an infant. Event-related potentials recorded from the scalps
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lecture11b - Perspectives on Speaker Recognition (part 1)...

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