Figure 1 is one Hrec spectrogram covering the time of the noise reduction.

Here a list of the peaks which reduced in Hrec:

Note that also calibration lines of the PR mirror (62.3 and 357.3Hz) reduced

18.5 Hz (Fig 2)

20 Hz 

62.3 Hz  PR calib

97.3 Hz (Fig.3)

100 Hz

107Hz

155 Hz bump

345 Hz bump (Fig.4)

357.3 Hz  PR calib

375 Hz bump

400 Hz bump

550 Hz bump