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Old 7th August 2019
  #64
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Browsing the Genelec site they note when level aligning:

Quote:
If the standard recorded level of filtered (500Hz - 2kHz) pink noises is -18 dBFSrms for SMPTE RP200's (-20 dBFSrms for SMPTE) and then the absolute level calibration can be made so that the sound level meter reads a level 2 dB lower than specified for broadband pink noise. This is because there is less energy due to band limiting of the band-pass noise.
I'm interpreting this as, if aligning a small room to 83dBSPL (for example) one should aim to hit 81dBSPL(C) on a slow averaging SPL meter? First time I've seen this adjustment mentioned. In other people's experience is this good advice?