Sabine's reverberation time equation and large spaces

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In summary, Sabine's reverberation time equation is a mathematical formula used in acoustics to calculate the time it takes for sound to decay in a large enclosed space. It considers the volume and surface area of the space, as well as the absorption coefficient of materials used in its construction. It is used to determine the optimal reverberation time for a given space, taking into account factors such as the shape, interior surfaces, and sound-absorbing objects. While it is most accurate for large, uniform spaces, other equations may be more suitable for irregularly shaped or highly reflective/absorptive spaces. Sabine's equation can be used to improve acoustics by determining the ideal reverberation time and making adjustments to
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peter mcc
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I study architecture and i have an acoustics exam next week. I'm stuck on this question.

Why, on its own, can Sabine's famous reverberation time equation not be the complete design basis for large spaces? give two reasons.

any help would be appreciated.
thanks!
 
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good old wikipedia. i had been lookin on that but not that page. the answer was there.
thanks!
 

FAQ: Sabine's reverberation time equation and large spaces

What is Sabine's reverberation time equation?

Sabine's reverberation time equation is a mathematical formula developed by physicist Wallace Clement Sabine in the late 19th century to calculate the time it takes for sound to decay in a large enclosed space, such as a concert hall or auditorium. It takes into account the volume of the space, its surface area, and the absorption coefficient of materials used in the construction of the space.

How is Sabine's equation used in acoustics?

Sabine's equation is used in acoustics to determine the optimal reverberation time for a given space. This is important in designing spaces for specific purposes, such as concert halls, where a longer reverberation time may be desired for better sound quality, or classrooms, where a shorter reverberation time is preferred for clearer speech intelligibility.

What factors affect Sabine's reverberation time equation?

The factors that affect Sabine's equation include the volume of the space, its surface area, and the absorption coefficient of materials used in the construction of the space. Other factors that can affect the reverberation time include the shape of the space, the materials used for the interior surfaces, and the presence of any sound-absorbing objects or furniture in the space.

Can Sabine's equation be used for all types of spaces?

Sabine's equation is most accurate for large, enclosed spaces with uniform surfaces and materials. It may not be as accurate for irregularly shaped spaces or spaces with highly reflective or absorptive surfaces. Other equations, such as Eyring's equation, may be more suitable for these types of spaces.

How can Sabine's equation be used to improve acoustics in a space?

Sabine's equation can be used to optimize the acoustics in a space by determining the ideal reverberation time for that space. If the calculated reverberation time is too long, sound-absorbing materials can be added to the space to reduce it. If the reverberation time is too short, reflective materials can be added to increase it. This can help create a more balanced and pleasant sound environment in the space.

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