Which of the following is the name given to reduction of sound transmission using materials and/or structural elements?
A) Active noise reduction
B) Parallel noise reduction
C) Structural noise reduction
D) Passive noise reduction

Question

Quizplus · Accepted Answer

Passive noise reduction refers to reducing sound transmission using materials and/or structural elements without the use of any external power source or active technology. This includes things like sound insulation, acoustic panels, and double-glazed windows. Active noise reduction (A) involves using technology such as headphones or white noise generators to cancel out noise. Parallel noise reduction (B) and structural noise reduction (C) are not commonly used terms in the field of acoustics.

Which of the Following Is the Name Given to Reduction