Breath Meditation I + RAIN (Anapanasati, Binaural, Isochronic, 4.5Hz, 136.1Hz OM) – Meditation Techniques Pdf Harriet October 2, 2015 Healing Meditation Meditation Techniques Pdf: Binaural and Isochronic beats. 4.5Hz beat frequency – Shamanic State Of Consciousness/Tibetan Buddhist Chants. Base frequency 136.1Hz – Frequency of OM.