Reverberator Reverb Time in seconds?

Question

Tobias Welby 2017-3-27

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https://ww2.mathworks.cn/matlabcentral/answers/332128-reverberator-reverb-time-in-seconds

回答： Pratyush 2024-8-13

Hi all,

I'm currently trying to implement the MATLAB Reverberator construction to an acoustic calculator that i made.

However, the values of the reverb are specific to the decay time in seconds, while the Reverberator only accepts 'Real Positive Scalar Values Between 0 and 1.'

Does anybody know how i is possible to convert my time values to a positive scalar value that will be the correct representation of the reverb time?

Any help with this would be greatly appeciated!!

Thanks

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Jacob 2024-8-12

I have the same question, were you able to find a solution?

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Answer 1

Pratyush 2024-8-13

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https://ww2.mathworks.cn/matlabcentral/answers/332128-reverberator-reverb-time-in-seconds#answer_1498159

Hi Tobias,

To convert reverb decay time (in seconds) to the feedback coefficient required by the MATLAB Reverberator (a real positive scalar between 0 and 1), use the following formula:

where (

) is the decay time and (

) is the sampling frequency (e.g., 44100 Hz).