Library effects were used for the atmospheres, but many spot effects were produced Foley style in the studio by Martin Simms (producer from Eardrum) and Joss Sanglier.
HRTF describes how a given sound wave input (parameterized as frequency and source location) is filtered by the diffraction and reflection properties of the head, pinna, and torso, before the sound reaches the transduction machinery of the eardrum and inner ear (see auditory system).
After 35 days or on December 18, 2007, Negros Oriental Rep. Pryde Henry Teves was moved out of the intensive care unit of St. Luke’s Medical Center in Quezon City to a private room thereat, and recuperated from destroyed eardrum, fractured leg and sustained deep burns in his arms from the Batasang Pambansa bombing.
In the middle of the nineteenth century the British otologists James Yearsley and Joseph Toynbee each developed their own form of artificial eardrum.