4/9/2023 0 Comments The drums m4a![]() ![]() ![]() This paper presents a beat tracking system that processes acoustic signals of music and recognizes temporal positions of beats in real time. In this article, we describe the state-of-the-art process of the numerical calculation of HRTFs – from 2D photos via 3D geometries to listener-specific HRTFs. Under certain conditions, the 3D geometries can be calculated based on two-dimensional (2D) photos of the listener. While in the past decades listener-specific HRTFs were mainly measured acoustically, the high computing power of recent computer systems enables the numerical calculation of HRTFs based on three-dimensional (3D) geometries of the listener’s head and ears. ![]() listener-specific HRTFs is thus essential for personalized sound reproduction via headphones, e.g., in virtual reality systems. The impact of the HRTFs on the incoming sound waves enables the listener to extract information about the environment from the sound field. This filtering depends on the directions of the surrounding sound sources and is described by the head-related transfer functions (HRTFs). The sound field surrounding a listener is filtered by the listener’s body before reaching the ear drums. ![]()
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