A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/12 (2006.01)
Patent
CA 2117774
Disclosed is a system and method for measuring hearing in which multiple single-frequency tones are presented by each of two transducer (64, 66), each transducer presenting only one single-frequency tone. One transducer is employed to present a plu- rality of f1 primaries, each in a different location of the range of audible frequencies, and the other transducer a plurality of corresponding f2 primaries, each having a frequency with respect to its corresponding f1 so as to make the ratio of frequen- cies suitable for the production of EDPs by that pair. By selection of an appropriate frequency far each primary in each set, a plurality of pairs may be presented to the ear simultaneously, without encountering the problems caused by the presence of numerous intermodulation products due to the interaction of the multiple primaries issued by the same transducer. This allows a single test to be performed that will simultaneously provide information about hearing function over a range of au- dible frequencies.
Rabinowitz William M.
Zurek Patrick M.
Sensimetrics Corporation
Smart & Biggar
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