Kai Lassfolk

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This paper presents a line of historic electronic musical instruments designed by Erkki Kurenniemi in the 1960's and 1970's. Kurenniemi's instruments were influenced by digital logic and an experimental attitude towards user interface design. The paper presents an overview of Kurenniemi's instruments and a detailed description of selected devices. Emphasis(More)
Spectutils is a GNU Octave toolkit for analyzing and visualizing audio signals. Spectutils allows to display oscillograms, FFT spectrograms as well as pitch detection graphs. Spectutils can best be characterized as a user interface for GNU Octave, which integrates signal analysis and visualization functionality into dedicated function calls. Therefore,(More)