Music & Audio Advice Acoustic Treatment Principles Questions and Answers

Question 1

A recording studio owner is experiencing a metallic, ringing sound, particularly noticeable with sharp, transient sounds like hand claps.
This issue is most prominent in a vocal booth with hard, parallel walls.
What is the most likely acoustic problem?

Accepted Answer

Flutter Echo

Answer

Standing Waves

Answer

Poor Diffusion

Answer

Excessive RT60

Question 2

To effectively absorb low-frequency energy and control room modes in a small control room, where is the most strategic placement for porous absorption bass traps?

Accepted Answer

In the tri-corners, where two walls and the ceiling/floor meet.

Answer

Directly behind the studio monitors on the front wall.

Answer

On the ceiling, directly above the listening position.

Answer

Flat against the middle of the longest wall.

Question 3

Which of the following acoustic treatments is designed to scatter sound energy in many directions rather than absorb it, helping to create a more spacious and natural-sounding room without making it sound 'dead'?

Accepted Answer

Diffusers

Answer

Acoustic Foam Panels

Answer

Broadband Absorbers

Answer

Helmholtz Resonators

Question 4

An acoustician measures the time it takes for the sound pressure level in a live room to decrease by 60 decibels after a loud, impulsive sound is made. What is this measurement officially known as?

Accepted Answer

Reverberation Time (RT60)

Answer

Frequency Response

Answer

Sound Transmission Class (STC)

Answer

Signal-to-Noise Ratio (SNR)

Question 5

A mix engineer wants to improve stereo imaging and reduce comb filtering at the listening position. Treating which of the following areas will provide the most significant and immediate improvement?

Accepted Answer

The first reflection points on the side walls and ceiling.

Answer

The back wall behind the listening position.

Answer

The floor between the speakers and the listener.

Answer

The front wall behind the speakers.

Question 6

Which type of acoustic device is specifically designed to target and absorb a very narrow band of low frequencies, making it ideal for treating a specific, problematic room mode?

Accepted Answer

A Helmholtz resonator

Answer

A broadband panel

Answer

A quadratic diffuser

Answer

A membrane absorber

A recording studio owner is experiencing a metallic, ringing sound, particularly noticeable with sharp, transient sounds like hand claps.This issue is most prominent in a vocal booth with hard, parallel walls.What is the most likely acoustic problem?

A recording studio owner is experiencing a metallic, ringing sound, particularly noticeable with sharp, transient sounds like hand claps.
This issue is most prominent in a vocal booth with hard, parallel walls.
What is the most likely acoustic problem?