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Chapter 12. Meeting 12, Discussion and Workshop
12.1. Announcements
• Quiz next Thursday
12.2. Reading: Bimber
• Bimber, B. 1990. “Karl Marx and the Three Faces of Technological Determinism.” Social Studies of Science 20(2): 333-351.
• What is technological determinism?
• Bimber describes three accounts of technological determinism: Norm-Based Accounts, Logical Sequence Accounts, Unintended Consequences. How do these accounts differ?
• For Bimber, which of the three acounts meets the requirements technological determinism, and why?
• What are some of examples of deterministic ideas about technology in common discourse?
• Does the history of music technology support notions of technological determinism?
12.3. Hardware Hacking: Motor as Dynamo
• Using a motor as a dynamo to drive an LED
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12.4. Hardware Hacking: Dynamo as Oscillator
• A Telharmonium Lite (Collins 2009, p. 20)
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12.5. Hardware Hacking: Humbuckers
• Exploring the sound of motors, piano strings, and portable electronics
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12.6. Hardware Hacking: Simple Oscillator
• The Hex Schmitt Trigger digital logic chip: six inverters on a chip
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• Given an input of 1 (9 volts) output 0 (0 volts) and vica versa
• The resistor permits feedback, causing alternation between 9 and 0 volts and producing a squarish sound wave
• 74C14 Pins
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• Using a resistor to create feedback oscillation
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• Breadboard
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12.7. Hardware Hacking: Photocell Controlled Oscillator
• Varying resistance changes the frequency of oscillation
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• A photoresistor decreases resistance with more light, increases resistance with less light
• Varying the capacitor sets the range of oscillation
• Breadboard
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12.8. Hardware Hacking: Oscillator through Diode
• Pasing the signal through a diode alters the timbre
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• Breadboard
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12.9. Hardware Hacking: Oscillator with Low Pass Filter
• A basic low pass filter using a photoresistor and a capacitor
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• Breadboard
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21M.380 Music and Technology (Contemporary History and Aesthetics) Fall 2009
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