File Exchange

image thumbnail

Reverberation Time Calculator

version (44.1 KB) by Edward Zechmann
Calculates Reverberation Time from multiple microphones using time records


Updated 18 Feb 2008

View License

rt_script.m is the main program. It produces a text file and a pdf file to document the reverberation time estimate. Two measurement methods can be used 1) speaker on-speaker off method, and 2) balloon pop method.

A basic procedure for the measurement two methods is given in the Readme file. The speaker on-speaker off method has been found to be far more accurate than the balloon pop method. Teh balloon pop method can often have more than 50% error below 1000 Hz.

reverb_time.m calculates the reverberation times for 1/3 octave band time records. Time records using the random time test signals from makelNHANESNoisesm_ed.m from (Also on Matlab Central File Exchange) are ideal for reverberation time measurements using the speaker on- speaker off method.

With the balloon pop method, the same file can be processed several times to roughtly estimate the reverberation time in each 1/3 octave band.

Cite As

Edward Zechmann (2021). Reverberation Time Calculator (, MATLAB Central File Exchange. Retrieved .

Comments and Ratings (3)

David Fardis

Hey, Nice one... but this online is also good one check

kree changmas

hao yc

MATLAB Release Compatibility
Created with R2007b
Compatible with any release
Platform Compatibility
Windows macOS Linux

Inspired by: octave, ci.m, LMS Toolbox, findextrema.m, Estimatenoise

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!