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Ljudmodulering och Visuell Representation av MusikKjellqvist, Ville, Gustafsson, Felix, Orrenius, Erik, Rahm, Pontus January 2020 (has links)
The ambition of this project was to create, program and control a matrix of individually controllable LEDs. This was achieved by utilizing a variety of microcomputers, such as Arduino, and by forging the hardware required for signal processing. Several subsystems were constructed, a main unit for controlling the LEDs, a signal processing unit for analyzing audio signals by employing the Fourier transform, and a stage lighting communication unit to communicate with standard stage equipment. All the subsystems were conjoined into one complete system using digital communication. The physical construction of the matrix was not finished but the subsystems work together and are able to control a miniature prototype of the matrix (with the same characteristics as the final build) with high responsiveness and precision.
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Piano Hero : Interactive musical learningAhlzén, Anton, Holma, Ville, Segerberg, Adam, Varahram, Sam, Wiig, Marcus January 2024 (has links)
Learning to play the piano usually involves learning to read sheet music and many hours of prac- tice, which can be seen as a tough task for beginners. This project presents an innovative ap- proach to piano learning by integrating a Raspberry Pi, Arduino, and LED lights with a Casio CTK-550 keyboard. This system interprets MusicXML files and visually guides users by lighting up the keys they need to press in the correct order, providing a more intuitive and engaging learn- ing experience. Additionally, it has a playback mode that makes the piano play the chosen song while illuminating the keys played. This allows the user to hear the song being played correctly before using the interactive mode to play the entire song themselves. These modifications to the piano aim to simplify the learning process and ease in new piano players by removing the big initial barrier of understanding sheet music. The project practices sustainability by reusing components from old projects and also follows several UN Sustainable Development Goals. After a few iter- ations, there was a product able to fulfill the goals set in advance. Future improvements could include improved lighting precision, additional learning modes, and more user-friendly file transfer possibilities.
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