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Lecture_9-20

Lecture_9-20 - A Musical Anomaly A How to make a musical...

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Unformatted text preview: A Musical Anomaly A. How to make a musical scale • Octaves • Semitones • Scale note B. A (bizarre) representation of Pitch C. Sounds you have never heard Midterm Bring Scantron: • About 2 pages short answer • About ~30 multiple choice Qs. • Text, Reader, Lectures, Sections I charge $1 Shepard’s Demonstration What you should know about pitch. Pitch = log 2.02 (frequency) 500 Hz 1000 Hz 1500 Hz Sound 27 hz 29 hz 3951 hz 4186 hz Hertz (Hz) Pure Tones = sine waves Music Universals How to create a musical scale. 1. Defne an octave. Take and Frequency and double it. 200 hz x 2 = 400 hz X X 261.6 hz x 2 = 523.2 hz What is an Octave? Evidence Octaves 1 Deutch - Octaves in memory • More interFering tones, worse memory • The target played as in interFering tone, worse memory • IF the interFering tones contain an octave oF probe, memory is worse. 10 px 10 px How to make a musical scale 1. Defne Octave 2. Divide octave into 5 to 20 units (semi-tones) oF equal sounding pitch. We use 12 semitones.We use 12 semitones....
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Lecture_9-20 - A Musical Anomaly A How to make a musical...

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