Sound’s physical force is negligible yet its informational effects matter greatly.

Evidence

It is good to realize that the energy level of sound is almost always so low that its physical effects can be neglected, but its effects on humans and animals are the reason we are interested in sound. — Ville Pulkki, Matti Karjalainen, Communication Acoustics- An…, 134

Categorization

• XREF: Connects to the reader’s broader acoustics interest: the informational/informational-signal framing reappears across bioacoustics and communication technology.