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Unformatted text preview: 2/14/12 1 The sounds of music extend across frequency range from about 25 to 4200 Hz Pitch is highly influenced by Frequency (remember Steven’s power law?) Mel scale: 1000 mels=perceived pitch of 1000Hz tone at 40dB above individual’s threshold. The two characteristics of musical pitch: tone height and tone chroma Octave sounds (doubling of frequency) sound more similar than two sounds that are closer in frequency (height), but different chroma Language • World’s languages: 600 consonants and 200 vowels • Individual language: About 40 distinct acoustic elements (phonemes). • Learning native language reduces ability to discriminate phonemes of non-native languages – Native Language Neural Commitment (also called Native Language Magnet Theory) Sonograms of Speech Sounds 1st formant 2nd formant 3rd formant Formant : One of the prominent frequency bands that makes up a speech sound Tests: Categorical Perception • e.g.s, – Bah, Dah, Gah – R, L Categorical perception B ook Site 2/14/12...
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This note was uploaded on 04/09/2012 for the course EXP 3202 taught by Professor Staff during the Spring '12 term at Florida State College.
- Spring '12