Week 1 Transduction

Week 1 Transduction - Week 1 Transduction April 1 2008 DAR...

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Week 1: Transduction  April 1, 2008 DAR: cage MT/Final o multiple choice, listening examples, not cumulative o Concept questions from readings on exam o Highlighted in class Programs o Audacity Course o Each week has overarching theme o Within week, two different views that speak to each other Sound o Wave Piano: hammer thrown and hit the string   then the string is displaced from  its natural resting point   the air molecules are compressed creating an area  of high pressure Compression Pressure cannot stay there, and will expand Rarefraction Playing sound is like touching air molecules with vibration
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o Frequency 440 hz One cycle includes compression and rarefraction If we move down the piano, the strings are much longer Short wavelength, dissipates quickly Can sing notes on the piano Sound of the voice made up of different frequencies Sounds are made up of frequencies At one extreme there are different hz Tone    Noise
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