Tempo de Reverberação (Sabine)
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
Sabine
About this calculator
The reverberation time calculator (Sabine) is a practical tool to calculate the time needed for a sound to dissipate in a space.
It uses the Sabine formula, which takes into account the volume of the space (V), the acoustic absorption (α) and the area of the reflective surfaces (S).
This calculator is especially useful in live music scenarios, audio recording and acoustic space design. Additionally, it is important to consider common precautions when using this formula, such as the accuracy of the acoustic absorption values and the need to consider the effects of reflection and diffraction.
Frequently asked questions
What is acoustic absorption (α)?
Acoustic absorption is a measure of a material's or surface's ability to absorb sound energy. Higher acoustic absorption values indicate a more effective reduction of reverberation in a space.
How can I calculate the area of reflective surfaces (S)?
The area of reflective surfaces can be calculated using the formula S = 2 × (wall area + ceiling area + floor area). Make sure to include only the surfaces that reflect sound.
What are the common precautions when using the Sabine formula?
In addition to the accuracy of acoustic absorption values, it's essential to consider the effects of reflection and diffraction in a space. This may include the presence of obstacles, space geometry, and surface nature.
Why is reverberation important in live music?
Reverberation can significantly affect the perception of live music, influencing sound quality and emotional impact. Therefore, it's crucial to calculate and control reverberation in live music spaces.