Chiff-voiced organ pipes begin with the second harmonic leading by about 30 ms

Evidence

It can be seen that the detail of the onset instant of each of the harmonics is clearly visible, with the second harmonic starting approximately 30 ms before the first and third harmonics. This is a common feature of organ pipes voiced with a chiff or consonantal onset which manifests itself acoustically in the onset phase as a initial jump to the first, or sometimes higher, overblown mode. — David Howard, Jamie Angus, coustics and Psychoacoustics, 1470

Categorization

• SHARE: A neat nerdy detail for anyone interested in organ acoustics or pipe voicing technique.
• XREF: connects to: Chiff-voiced open pipes briefly sound an octave high at onset; Stopped flue pipes sound their harmonics in a characteristic staggered order producing a chiff — David M. Howard, Jamie Angus, Acoustics and Psychoacoustics, 1448; Unnicked organ pipes produce a sharper, clearer consonantal attack tone called chiff. — David M. Howard, Jamie Angus, Acoustics and Psychoacoustics, 1148

Broader Connections

• Chiff-voiced open pipes briefly sound an octave high at onset #corroborates (0.90)
• Stopped flue pipes sound their harmonics in a characteristic staggered order producing a chiff #expands (0.75) — David M. Howard, Jamie Angus, Acoustics and Psychoacoustics, 1448