Free Plus Diffuse Sound Field Target Earphone Response Derived from Classical Room Acoustics Theory
The typical standardized free or diffuse field reference or target earphone responses in general represent boundary conditions rather than a realistic listening situation. Therefore a model using classical room acoustics is introduced to derive a more realistic target earphone response in a direct plus diffuse sound field. The insertion gain concept as applied to earphone response measurements using an ear simulator equipped test manikin is detailed in order to appropriately apply the model output to a typical earphone design. Data for multiple sound sources, multiple rooms, and variants of the direct 0° on-axis free field response are shown. Limits of the method are discussed and the results are compared to the well-known free and diffuse field responses.
Click to purchase paper or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!
This paper costs $33 for non-members, $5 for AES members and is free for E-Library subscribers.