Podcast
Questions and Answers
What determines the overall effect on loudness in a room?
What determines the overall effect on loudness in a room?
- The shape of the room
- Reflection of sound waves
- Absorption present within the room (correct)
- The type of music being played
What is the term for the prolongation of sound in a room?
What is the term for the prolongation of sound in a room?
- Reverberation (correct)
- Absorption
- Echo
- Resonance
What is the maximum reverberation time for clear speech?
What is the maximum reverberation time for clear speech?
- 3 seconds
- 4 seconds
- 2 seconds (correct)
- 1 second
What type of music is best suited to a reverberation time of 1-1.5 seconds?
What type of music is best suited to a reverberation time of 1-1.5 seconds?
What happens to an echo in a highly reverberant room?
What happens to an echo in a highly reverberant room?
What is the ideal reverberation time for classrooms or lecture spaces?
What is the ideal reverberation time for classrooms or lecture spaces?
What is the primary factor that determines the loudness of direct sound waves to a listener?
What is the primary factor that determines the loudness of direct sound waves to a listener?
What happens to the direction of travel of a sound wave when it strikes a surface?
What happens to the direction of travel of a sound wave when it strikes a surface?
What is the speed of sound waves?
What is the speed of sound waves?
What are the two effects of multiple reflections of sound waves on acoustics?
What are the two effects of multiple reflections of sound waves on acoustics?
Why is the loudness of reflected sound always less than direct sound?
Why is the loudness of reflected sound always less than direct sound?
What determines the loudness of reflected sound?
What determines the loudness of reflected sound?
What is the minimum interval required to easily distinguish an echo in a room with low reverberation time?
What is the minimum interval required to easily distinguish an echo in a room with low reverberation time?
What type of surfaces produce very annoying echoes due to their focusing action?
What type of surfaces produce very annoying echoes due to their focusing action?
What percentage of sound is absorbed by hard, reflective, nonporous interior building surfaces?
What percentage of sound is absorbed by hard, reflective, nonporous interior building surfaces?
What is the unit of sound absorption equivalent to one square foot having a coefficient of absorption of 1.00?
What is the unit of sound absorption equivalent to one square foot having a coefficient of absorption of 1.00?
What is the frequency at which the absorption coefficient of a concrete floor is measured in the example?
What is the frequency at which the absorption coefficient of a concrete floor is measured in the example?
How many sabins would a 10,000 square feet concrete floor with an absorption coefficient of 0.015 at 500 Hz yield?
How many sabins would a 10,000 square feet concrete floor with an absorption coefficient of 0.015 at 500 Hz yield?
