Perfect Pitch Tuner Testing Results Created By Ryan

Perfect. Pitch Tuner Testing Results Created By: Ryan Cleary Martin Menke Nermin Abdic

Reliability Test (Chromatic)Data Matching Readings (Chromatic Tuner) 100 90 Percentage of Matches 80 70 60 50 40 30 20 10 0 E A D G String B e

Reliability (Chromatic)Summary Based upon the results of comparing the readings picked up by the internal tuner and a Chromatic tuner, we were able to determine the tuner met our requirements of having matching readings with the control at least 85%of the time, and thus may be considered reliable. � It is important to note, however, that the B-string was the only string on which any readings differed. �

Reliability Test (Strobe)- Data Matching Readings (Strobe Tuner) 100 Percentage of Matching Readings 90 80 70 60 50 40 30 20 10 0 E A D G String B e

Reliability (Strobe)- Summary Based upon the results of comparing the readings picked up by the internal tuner and a Strobe tuner, we were able to determine the tuner met our requirements of having matching readings with the control at least 85%of the time, and thus may be considered reliable. � It is important to note, however, that the B-string was the only string on which any readings differed. �

Efficiency Test- Data Decrease in seconds using internal tuner 45 40 35 Percentage 30 25 20 15 10 5 0 60+ 50 to 60 40 to 50 30 to 40 Decrease (Seconds) 20 to 30 10 to 20 0 to 10

Efficiency Test- Summary � The criteria for passing the efficiency test stipulated that the internal tuner must allow the guitar to be tuned faster than an external tuner by at least 10 seconds. � Based upon the results, the internal tuner passed the test with flying colors, with some results being over a minute faster than using an external tuner.

Usability Test-Data Do you feel the internal tuner affected your playing? Was it Easier or Harder to use the Internal Tuner? 100 50 90 45 80 40 35 60 Percentage 70 50 40 30 30 25 20 10 10 5 0 Yes No Reply 0 Easier Harder Reply Same

Usability Test- Summary � Based upon this test, all of the test subjects felt that the internal tuner did not affect their playing. � The test also confirmed that the majority of users found the tuner to be either easier or equal in difficulty to using an external tuner � Based upon these results, it may be concluded that this product has a favorable usability.

Marketability Test- Data Would you be interested in buying this product? 100 90 80 Percentage 70 60 50 40 30 20 10 0 Yes No Reply

Marketability Test- Summary � Based upon the data, every one of our test subjects would be interested in potentially buying this product. � These favorable results indicate that there is the strong possibility of a large consumer base for this product.