The Dog Soundscape: Recurrence, Emotional Impact, Acoustics, and Implications for Dog Observations and Dog-Human Interactions.

The reports of emotional sensitivity were generally low for sounds with either the lowest (<250 Hz) or highest (>4000 Hz) F0s/center frequencies (see the lower and upper blue areas in Figure 3 and Figure 4 ) but showed a trend to decrease as frequency increased within the intermediary 250–4000 Hz area (see the green area in Figure 3 and Figure 4 ).

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