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Sine Wave A 440 Hz Concert Pitch for Ten Hours
Stop your brain from overthinking. You don't need an app. Ten hour Sine wave with no overtones which is called pure as it is only the fundamental frequency.
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Mécaniques Discursives is an installation by Fred Penelle and Yannick Jacquet. The installation contrasts the oldest form of image reproduction (woodcutting) with the most recent digital technologies. Directed, shot and edited by Jerome Monnot. Produced by Antivj. Music composed by Thomas Vaquié, with sound elements by Matthieu Safatly.