low frequency

The eight-track record also incorporates several low frequencies — most of which are too low to be heard — meant to engage listeners’ chakras.

In most saltwater species, vibrations reach the inner ear only weakly, which limits hearing to low frequencies below about 200 Hertz.

Islanders in the Outer Hebrides say their lives are being disrupted by a mysterious low frequency humming sound that can be heard day and night.

Volcanic earthquakes have a characteristic signature of low frequency wave forms and these have not been exhibited here.

The challenge, Revel said, is that it relies on a standard that “doesn’t take into account all the frequencies and certainly doesn’t take into account the low frequencies that travel further.”