Acoustic Ecology
The field of acoustic ecology has spent fifty years making the case that how we listen matters. WILDSOUND is, in its way, an attempt to put that case into practice.
There's a field of science devoted to the sounds of wild places—what they contain, what we lose when they change, and what it means to truly hear them.
In 1969, a Canadian composer named R. Murray Schafer introduced an idea that was simple enough to seem obvious and radical enough to take decades to absorb: that sound is an environment, and that the health of a place can be heard.
He called this acoustic ecology. The study of the relationship between living organisms—humans, animals, ecosystems—and the soundscapes they inhabit. Schafer believed that the sounds of a place contain information about it. That a healthy forest sounds different from a degraded one. That rivers have acoustic signatures. That the way we listen, and what we choose to listen to, reflects and shapes our relationship to the natural world.
Fifty-plus years later, the field has expanded into a formal science, with researchers like Bernie Krause—who has spent decades recording wild places and cataloguing the acoustic impact of habitat loss—building the evidence that Schafer intuited. Krause's recordings of Lincoln Meadow in California's Sierra Nevada, taken before and after selective logging in 1988, became one of the field's most cited demonstrations: the forest looked the same before and after. On tape, it had gone nearly silent.
The central insight of acoustic ecology is one that takes a moment to fully land: soundscapes are data. They are not just pleasant backgrounds or mood modifiers—they are real-time evidence of ecological health. A dawn chorus rich with overlapping species is a different thing, scientifically and experientially, from a simplified soundscape with fewer layers. The difference between them is the difference between a thriving system and a diminished one.
Krause formalized this into what he calls the three-part architecture of natural soundscapes: geophony (non-biological sounds—wind, water, rain), biophony (the sounds of living organisms—insects, birds, frogs, mammals), and anthrophony (sounds produced by humans). In a healthy ecosystem, these layers coexist in something close to acoustic cooperation. Species have evolved to occupy different frequency bands, different times of day, different sonic niches. When that balance is disrupted—by development, by logging, by climate-driven species loss—the soundscape collapses inward.
This is not a metaphor. You can hear it.
What does this mean for how we listen?
It means that a field recording from a named wild place is not just an audio file. It is a document. When WILDSOUND records the dawn sounds of Manu National Park in Peru—1.7 million hectares spanning lowland rainforest, cloud forest, and Andean grassland, home to over 1,000 bird species and one of the densest concentrations of life on earth—what you're hearing is a bioacoustic portrait of one of the most ecologically intact systems left on the planet. That information is in the sound. The complexity, the layering, the presence of species that don't exist anywhere else.
Hearing it as "jungle sounds" is like standing in front of a Velázquez and seeing "an old painting."
Acoustic ecology also offers a framework for understanding what is at stake when wild soundscapes disappear. This is not only an aesthetic loss, though it is that. It is an informational one. As species vanish and habitats simplify, the soundscapes they produced—soundscapes that took thousands of years of co-evolution to compose—disappear with them. Unlike visual records or written documentation, they cannot be reconstructed from memory. They existed in real time, in real places, and when those places change beyond recovery, the sounds do too.
Schafer called this the "lo-fi soundscape problem"—environments so saturated with human-generated noise that the detail of the natural world becomes inaudible. He was describing cities, but the concept extends further. We've created a lo-fi culture of nature listening: high volume, low resolution, no source. Rain tracks with no rain. Forest sounds with no forest behind them.
The antidote is not complicated. It is what acoustic ecology has always proposed: listen with attention. Listen to specific places. Know what you're hearing and why it sounds the way it does. Understand that the sounds of wild places are not content—they are conditions, and conditions change.
WILDSOUND was built in the spirit of that proposition. Each soundscape in the library is a named place with a real acoustic identity—the geophony of Vatnajökull's glacial rivers in Iceland, the biophony of Sinharaja Forest Reserve in Sri Lanka, whose 36,000 hectares shelter over 60 percent of the island's endemic species. These are not interchangeable. They are specific. And their specificity is what makes them worth protecting.
The field of acoustic ecology has spent fifty years making the case that how we listen matters. WILDSOUND is, in its way, an attempt to put that case into practice.
R. Murray Schafer once wrote that "a person can be educated in three ways: the ear, the eye, and the hand." He thought the ear had been neglected for most of recorded history. He spent his life trying to correct that.
The sounds are still out there. Most of them, for now. The question is whether we're actually listening.