Sound production systems and methods for providing sound...

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers

Reexamination Certificate

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C381S091000, C381S074000, C181S129000, C002S423000

Reexamination Certificate

active

07430300

ABSTRACT:
Methods for generating a directional sound environment include providing a headgear unit having a plurality of microphones thereon. A sound signal is detected from the plurality of microphones. A transfer function is applied to the sound signal to provide a transformed sound signal, and the transformed sound signal provides an approximation of free field hearing sound at a subject's ear inside the headgear unit.

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