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SOUND-SOUND INTERACTION |
Acoustic Niche Hypothesis
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SOUND-SOUND INTERACTION |
Two early sonagrams (10 sec each) of natural soundscapes, recorded at (left) Pic Paradis, St. Maarten, Virgin Islands and (right) at Kalimantan, Borneo. Darker consistent bands are the sounds of insects, with the spectrum of bird calls fitting into the "niches" available in the spectrum, including (at right) the Flycatcher's upper formants also fitting into a high frequency niche. From B.L. Krause, "The niche hypothesis," The Soundscape Newsletter, 6, pp. 3-6, 1993.
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Two other sonagrams (log scale) of Krause's recordings, as published in The Great Animal Orchestra, Little, Brown, 2012.
Examples from David Monacchi's Amazon Recordings
Prima Amazonia: Portraits of Acoustic Biodiversity
Wild Sanctuary WCI-056 2007
A temporal niche with a cicada and a tree frog alternating (source: David Monacchi)
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