Tinnitus Relief Masking Sounds - Small Waterfall - Small Waterfall. Small Waterfall: So close it's as if you were lying beside it, this waterfall gurgles and splashes with bubbly water. Extremely relaxing sounds and perfect for masking unwanted ringing in the ears. A great soothing and relaxing sleep aid. There is something about the sound of rushing water that brings about a sense of inner peace.