Dayton Audio OmniMic V2 Precision Measurement System - Manual (Page 16)

16 | P a g e
The time resolution is more detailed at higher frequencies than at lower frequencies (because there are more "Hz" in an
octave at high frequencies than at lower frequencies).
A typical loudspeaker will show a less clear graph, with smearing at various frequencies and additional color features
appearing at later times where reflection or diffraction occur.