Articles tagged “reflection”
2 articles covering reflection in acoustic engineering and building design.
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TUTORIALS6 min read
What is Acoustic Impedance?
Acoustic impedance is the ratio of sound pressure to particle velocity in a medium. Learn how impedance mismatch controls reflection and transmission, and why it matters for material selection.
March 20, 2026
acoustic impedanceimpedance mismatch
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TUTORIALS6 min read
What is Echo? (And How It Differs from Reverberation)
An echo is a distinct, delayed repetition of a sound caused by reflection from a distant surface. Learn the 50 ms threshold, how echoes form, and how acoustic design prevents them.
March 20, 2026
echoreflection