Music 80c Elec. Music- Week 2
Music 80c Elec. Music- Week 2 MUSC 80C-01
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This 4 page Class Notes was uploaded by Jasmine Stade on Thursday October 1, 2015. The Class Notes belongs to MUSC 80C-01 at University of California - Santa Cruz taught by L. Polansky in Summer 2015. Since its upload, it has received 41 views. For similar materials see History of Electronic Music in Music at University of California - Santa Cruz.
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Date Created: 10/01/15
Thursday October 1 2015 History Literature and Technology of Electronic Music Week 2 Notes 929 101 Bruce Kiehling came in to recruit for ensembles sign up here httpmusicucsceduensembles Remember to take notes on at home readingslistenings it s all fair game for quizzes Acoustics Psychoacoustics of early electronic music Sound motion creates a vibration changes air pressure amp travels through air by compression and rarefaction transmission gt the cochlea and basilar membrane in our ears transduce the vibrations for the brain transduction acoustic what happens before it gets to the ear psychoacoustics processing in ear of pitch and loudness cognition higher level processing involves learning culture mood frequency is measurement of the rate of compressionrarefaction pitch is in the brain these words mean different things amplitude is physical displacement of the thing itself vibrating intensity is different based on location and how a vibration decays through air loudness is the way we organize intensity dB these words are used interchangeably timbre is a terrible word because it includes everything else but it s used for convenience It includes attack decay dynamics pitch and amplitude related effects etc Analyzing a visualization of a sound file using Praat Praat is a program used by linguists to look at inflections in the speech a wav file isn t very accurate but zooming in will show detail we can view estimates for intensity and pitch inaccurate we can look at spectral configurations what people would call timbre Thursday October 1 2015 Review of the Columbia Reading at home reading on ecommons basilar membrane in ear has hairs that are sensitive to different frequencies music is a timebased art form and music cannot tell a story without words amplitude versus decibels amplitude changes linearly decibels change logarithmically human hearing is capable of 2020000 Hz Listening On the Pdextended program we listened to 440 Hz A note and then we divided it by 2 220 Hz A note one octave lower We then listened to 2 wav forms one was 220 Hz and one was 221 Hz which makes a 1H2 per second beat frequency example of phasinginterferencebeat frequencies the two wav forms together have a moving whooshing kind of sound We then listened to both 22OHz and 249Hz we now have a musical interval two distinctly different notes heterodyne interference between frequencies that creates new frequencies how radio transmission works Brief Historical Context of Recording early recording wire wrapped and magnetized c 1905 the malleability of the brain fills in details of the ofi recording we listened to an early recorded prayer it s a millet chant sounds like cows Thursday October 1 2015 Luigi Russolo historically the turn of the century was a big time of change industrial revolution etc he was part of the Futurists during this time predicting future technologies quoted sound in its unfolding in time questioned the future success of the orchestra setting wanted to see a changed definition of music to include everyday noise made band ltonarumori made own noise instruments we listened to Risveglio di una citta 191314 sounds like old cars starting and violin strings being scraped James Tenney one of the first computer music composers part of Fluxus movement which was inspired by Cage s ideas and took on a whole school of art theory Russolo inspired Cage gt Cage inspired Fluxus movement and Tenney Made piece called EntranceExit Music 1962 noise transition to a sin wave backwards is sin wave to noise Thaddeus Cahill created the first electromechanical instrument called the Telharmonium in 1896 organ keyboard setup made his own company for it Leon Theremin Russian inventor of the theremin there are 2 highfrequency oscillators for each antennae we listened to Clara Rockmore who was a theremin virtuoso Ondes Martenof another early electronic instrument used in many 30s movie scores Thursday October 1 2015 Music of the Spheres Johanna Magdalena Beyer one of the first female electronic musicians nobody knew who she was no pics orchestration of Music of the Spheres 3 string instruments and triangle unclear if she intended it to be for electronic instruments like the recording Williams Mix John Cage 1951 Had breakthrough in composition techniques embraced chance instead of planning his compositions His techniques structure division of time in sections material what s going to happen method how to decide what to put where one of Cage s usual methods was chance making decisions in the moment of the piece form the essencehuman aspect