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AES E-Library

MySofa—Design Your Personal HRTF

Binaural auralizations are present in increasing numbers of applications and devices. Albeit most of the time they only use generic Head-Related Transfer Functions (HRTFs), the recent standardization of the HRTF format SOFA has paved the way to support individualized HRTFs broadly. We have developed and implemented MySofa: a web service that helps users to design a personal HRTF. In MySofa, based on anthropometric and user inputs, algorithms calculate and tune HRTFs. The result is displayed in the web browser and the user can listen to test renderings to verify, whether the personalized HRTF matches his expectations. In order to foster the use of individualized HRTF, we also implemented a light weight C-library called libmysofa, which helps programmers to read SOFA files and lookup FIR filters.

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AES - Audio Engineering Society