
74
Human–ComPuter InteraCtIon
would be part of any software development process. Here, we focus
more on the HCI-related requirements for the sake of brevity.
4.4.2 User Analysis
e typical user for No Sheets is a smartphone owner and novice/
intermediate piano player (perhaps someone who wants to show off
their musical skill at a piano bar) (Figure4.18). Since a smartphone is
Score Chords
Figure 4.17 No Sheets: Replacing paper sheet music with the smartphone. No more flying pages;
no more awkward flipping and page searching.
Table4.2 Initial Requirements for No Sheets
1. Use the smartphone to present transcribed music like “sheet music.” Transcription ...