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. 2010 Jun 29;5(6):e11359. doi: 10.1371/journal.pone.0011359

Figure 4. Sound levels are not affected by cage environment.

Figure 4

A. Sound levels (dB) computed in 1/3-octave bands (80 Hz–40.3 kHz) for the two cage conditions: LV (green), and HV (blue). An additional acoustical measurement was taken outside the cage (room, black). The audiogram (purple) of the mouse is replotted from [25]. The shade region indicates the range of sound frequencies over which the broadband sound levels were computed in B-C. Broadband sound levels computed every 5 minutes over the range of frequencies indicated by the shading in A (1–40.3 kHz). D-E. Spectrograms showing sound level in 1/3-octave bands (color bar, right-hand side of panel E) measured every 5 minutes over a 24 hr period.