Sparse mixed forests and bamboo groves acoustically resemble concert halls

Evidence

Sakai and coworkers measured reverberation time and several additional parameters commonly used in room acoustics in a sparse mixed forest (Sakai et al., 1998) and a bamboo forest (Sakai et al., 2001). They found that these forests displayed characteristics similar to those found in a concert hall. Padgham (2004) measured exponential decay rates for frequencies in the low kHz band and found that the decay rates depended upon the source and receiver heights and propagation distances. — Donald G. Albert, Michelle E. Swearingen, Frank E. Perron, and David L. Carbee, Low Frequency Acoustic Pulse…, 30

Categorization

• CANDY: A bamboo grove measures like a concert hall on standard room-acoustics parameters — instant elevator material.
• STORYSTEM: A forest that is literally a tuned performance space — a character who stages a concert in a bamboo grove and discovers the trees have been doing this long before people arrived.
• FICTION: Evokes the ambient, engineered-sound texture of the forest scenes in A Visit From The Goon Squad (Jennifer Egan), where spaces quietly shape what people hear.
• XREF: Connects to the tree-as-infrastructure material in the reader’s own published work on trees — canopies as acoustic architecture, not just physical structure.