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Converting insertion gain to and from headphone coupler responses
1National Acoustic Laboratories, Australia.
Ear and Hearing
|August 1, 1997
Abstract
Objective:
The paper aims to show how insertion gain responses can be translated into equivalent headphone responses, and vice versa.
Design:
The relationship between the response types is theoretically derived by allowing for real ear to coupler differences and for real ear unaided responses.
Results:
The necessary corrections for each of these factors are obtained from published data, and the combined correction factors are compared with independently obtained published data.
Conclusions:
The equations and data presented can be used to translate insertion gain responses into responses suitable for use with equipment using headphones and, by inference, insert phones.