This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Powierzchnia slyszalnosci.svg pl Diagram przedstawiajcy powierzchni syszalnoci own CLI na podstawie rysunku ksiki Zbigniew Kulka Materiay do przedmiotu Cyfrowe przetwarzanie sygnaw fonicznych Warszawa Fletcher loudness contours Hearing Psychoacoustics
Page 2023 Free-images.com. All images are Public Domain