DEEP Home
Main Page
Animations
Background Essay
Lab Report
Analytic Essay
Bibliography
Photographs

The screen shots are taken from one of the trials at one of the four distances. We took are number of dB's for each trial, from the highest point in the middle of each graph.

High Sound Results

  1ft 2ft 3ft 4ft
Trial 1 64 dB 69 dB 64 dB 63 dB
Trial 2 64 dB 71 dB 64 dB 65 dB
Trial 3 68 dB 73 dB Lost Data 67 dB
Mean 65.33 dB 71 dB 64 dB 65 dB
Average Deviation 1.78 dB 1.33 dB 0 dB 1.33 dB
Percent Error 2.72% 1.88% 0% 2.05%

Medium Pitch Sound Results

  1ft 2ft 3ft 4ft
Trial 1 71 dB 63 dB 76 dB 65 dB
Trial 2 70 dB 60 dB 79 dB Lost Data
Trial 3 67 dB 67 dB 79 dB Lost Data
Mean 69.33 dB 63 .33 dB 78 dB 65 dB
Average Deviation 1.56 dB 2.44 dB 1.33 dB 0 dB
Percent Error 2.24% 3.86% 1.71% 0%

Low Pitch Sound Results

 

  1ft 2ft 3ft 4ft
Trial 1 68 dB 65 dB 76 dB 74 dB
Trial 2 71 dB 65 dB 74 dB 73 dB
Trial 3 73 dB 64 dB 76 dB 71 dB
Mean 70.67 dB 64.67 dB 75 .33 dB 72 .33 dB
Average Deviation 1.89 dB .44 dB .89 dB 1.11 dB
Percent Error 2.67% .69% 1.18% 1.53%