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Published byElijah Richard Modified over 5 years ago
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Capstone Design Team 1 Kahnec De La Torre – Lead Report Manager
BSEE – Programming and Wireless Networking Mike Haynes – Lead Manufacturing Manager BSEE – VHDL Bounnong Khamphoumy – Lead Project Integrator BSEE – Electronics Jason Knedlhans – Lead System Designer BSEE – Audio Joseph Spitz – Lead Presentation Manager BSEE – Cacophonic Electronics
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Selected Project The i1 A musical instrument
New variation on synthesizer Mounted like a keyboard or upright like a cello Enables user to produce varied sounds Digital Effects including echo, auto-wah, and distortion Analog overdrive effects Continuously variable frequency selector Requires both hands to play
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The Instrument Analog Comparison System Frequency Selector
Attack / Decay Control Summing Amp Low Freq Oscillator Signal Routing Digital Controls Analog Audio Analog Controls Analog Control DSP State Serial 16 bit Digital Digital Control Analog Audio Output Analog Effects DSP Processor Power Supply Pre Amp Joe Mike Kahnec Filter DAC Jason Bounnong
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Standard Requirements
Maximum Surface Temperature 40 OC Operating Temperature Humidity 0 to 40 OC 0 to 100 % Storage Maximum Surface Potential 0.1 mV Life Cycle Product Lifetime Warranty Period Service Strategy 10 years 90 days Factory Repair
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Performance Requirements
Power Input Voltage Max Power 100 to 240 VAC 150 W Output Frequency Range 20 Hz to 20 kHz Total Harmonic Distortion < 1 % Output Voltage -2 V to +2 V
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Performance Requirements
User Inputs Frequency Selector Continuously variable selection Frequency range of 1.5 octave per selector Distance between chromatic notes between 2 and 5 cm Multiple Tap Selectors Selectable effects processing Patch synthesized audio through effect or bypass Analog Potentiometers To control output amplitude To set amplitude attack To set amplitude decay
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Performance Requirements User Indicators & Displays
DSP effect state indicator – three digits Level of effect applied LED Indicators System on/off state Analog effect state
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Performance Requirements Any Combination of Analog and Digital Effects
Modes of Operation Any Combination of Analog and Digital Effects Digital Effects On/off Effect Echo Distortion Auto-Wah Effect intensity Effect parameter Analog Effect On/off Adjustable overdrive intensity
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