A cluttered pine forest reverberates longer than a concert hall

Evidence

Site number Forest Season T30 (s) T60 (s) Duration 2 Planted spruce Summer 0.56 1.12 Short 2 Planted spruce Winter 0.45 0.90 Short 3 Cluttered pine Summer 1.58 3.16 Long 3 Cluttered pine Winter 1.32 2.64 Long 4 Hemlock Summer 0.85 1.70 Mid-range 5 Deciduous Summer 0.60 1.20 Short 5 Deciduous Winter 0.64 1.28 Short 6 Spruce Summer 0.95 1.90 Mid-range 6 Spruce Winter 0.99 1.98 Mid-range 7 Pine Summer 0.83 1.66 Mid-range 7 Pine Winter 0.96 1.92 Mid-range 8 Maple saplings Summer 0.91 1.82 Mid-range Concertgebouw, Amsterdam 2.10 Mid-range to long Typical living room 0.50 Short FIG. — Donald G. Albert, Michelle E. Swearingen, Frank E. Perron, and David L. Carbee, Low Frequency Acoustic Pulse…, 93

Categorization

• CANDY: A cluttered pine stand rings for 3.16 seconds, beating the Concertgebouw’s 2.10 — perfect elevator fact.
• SHARE: Send to anyone who does architectural acoustics or recording in natural spaces.
• FICTION: A forest that holds sound like a cathedral is free atmosphere for a scene set outdoors.
• STORYSTEM: A story where characters navigate or hide by acoustic signature — knowing which woods carry a voice for three seconds and which swallow it.