1. Digital Sound Projection ECE 477 Group 6  Reliability and Safety Analysis
Steve Anderson
Mike Goldfarb
Shao-Fu Shih
Josh Smith

2. Criticality Levels High:Possible to physical harm the user Overheating
Power shortage
Medium: Make the Digital Sound Projection malfunctioning
Damaged IC
LCD display failure
Low: affect the overall performance of Digital Sound Projection
Noisy power supply
Input clipping
12/27/2018
ECE477 Group 6

3. Component Chosen ADSP-21262 (SHARC DSP) πT = 0.63 P = .484
ATmega168 (UI microcontroller)
πT = 0.014
P =
PCM4202 (24-bit ADC)
πT = 0.431
P = .0950
PCM1792A (24-bit DAC)
πT = 0.293
P = .0494
12/27/2018
ECE477 Group 6

4. FEMCA
12/27/2018
ECE477 Group 6

5. FEMCA
12/27/2018
ECE477 Group 6

6. FEMCA
12/27/2018
ECE477 Group 6