learning the ropes

things I made at ITP and after: sketches, prototypes, and other documentation

Friday, January 26, 2007

User Interface Testing: Yamaha TG77 – Test 1

Test 1: Selecting the “DreamRodes” voice using multiple presses of the “+1/YES” button

Buttons:
“+1/YES”, to be abbreviated [+1]
“-1/NO”, to be abbreviated [-1]

Notation: [+1 \ /]*52 / 10s [-1 \ /]*2 / 1s = 54 operations / 11s

Quality: While pressing [Y] rapidly, I found it was easy to overshoot the desired voice. I would like to try this with someone who is unfamiliar with the instrument as I have grown accustomed to the names of the instruments which precede “DreamRodes”

Note: The video segment lasts longer than the reported 11 seconds because I found later that I could press the button more rapidly than I did while filming and still read the name of the voice.

posted by Michael at 2:18 am  

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