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Discussion Starter · #1 ·

I´ve already asked several questions and I appreciate your prompt answer to all of them.

I will measure RT60 in a large classroom but I´m afraid the background noise might not be as low as I would like it to be. It might be around 50dB or a bit more.
If I play my measurement signal at say 85dB (and calibrate the system to that output level) I will increase my SN Ratio by 10dB. Will that be a reasonable approach to tackle high background noise levels? Will it have an effect on the measurements? Also thinking of doing 2 to 3 sweeps per measurement to cancel out the background noise when these are averaged.

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