Method for using sub-stimuli to reduce audio distortion in digitally generated stimuli during a hearing test
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United States of America Patent
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N/A
Issued Date -
May 29, 2003
app pub date -
Nov 27, 2001
filing date -
Nov 27, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of testing the hearing of a user utilizing a computer system that includes a computer and a speaker. The computer can output an electrical signal to the speaker and the speaker can convert the electrical signal into a stimulus. The method includes: downloading a computer program from a server to the computer; executing the computer program on the computer; generating a digital stimulus, the stimulus having a first sub-stimulus and a second sub-stimulus, the first sub-stimulus being within the audible range of humans, the second sub-stimulus being outside of the audible range of humans and/or outside of the range of the hearing test; and receiving an input from the user that indicates that the user heard the stimulus. The purpose of the sub-stimuli is to dither the stimuli so as to minimize distortions due to quantization of the stimuli and thus improve hearing test accuracy.
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