Development of technology has greatly affected other fields as well, among them
music production. The widespread use of the smartphones has granted musicians
the ability to tune their instruments on the go, with the use of accurate mobile
apps. However, while the apps are free to download and install, their use is
anything but. They are crammed with ads and many useful features are only
available in paid versions, making the use of these apps cumbersome and to some
extent almost unusable.
For that reason we have developed a guitar tuning mobile app, TuneApp,
as part of this thesis project. The goal was to make an app that serves as a
guitar tuner, while still allowing for a simple and user friendly user interface.
The application was developed using the Android operating system and Java
programming language. We used the Fast Fourier Transform to help us detect
the frequencies of recorded audio.
We created a functional Android mobile app with an intuitive and minimalist
user interface that allows users easy usage. Most test users reported that the app
successfully helped them correctly tune their instruments. Despite the positive
feedback, we also received comments regarding the app’s shortcomings, especially
in frequency detection and the number of functionalities offered.
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