No, that's the lower limit for RT60 per ISO3382, and even then it is only meaningful in very large spaces. To look at behaviour at lower frequencies you can use the waterfall, spectral decay or RT60 decay graphs.
Hi, John is totally correct about the LF reverberation measurements - particularly in typical room sizes.
However, may I suggest a really useful feature which would really aid RT measurements, particularly the lower frequency measurements:
- Averaging a number of selected RT measurements in (OVERLAY maybe?)- to save as new file to export.
A straightforaward linear average in each frequency band, Standard deviation would be nice.
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