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arXiv · 2507.11091

Array-Aware Ambisonics and HRTF Encoding for Binaural Reproduction With Wearable Arrays

Yhonatan Gayer·Vladimir Tourbabin·Zamir Ben Hur·David Lou Alon·Boaz Rafaely
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Abstract

This work introduces a novel method for binaural reproduction from arbitrary microphone arrays, based on array-aware optimization of Ambisonics encoding through Head-Related Transfer Function (HRTF) pre-processing. The proposed approach integrates array-specific information into the HRTF processing pipeline, leading to improved spatial accuracy in binaural rendering. Objective evaluations demonstrate superior performance under simulated wearable-array and head rotations compared to conventional Ambisonics encoding method. A listening experiment further confirms that the method achieves significantly higher perceptual ratings in both timbre and spatial quality. Fully compatible with standard Ambisonics, the proposed method offers a practical solution for spatial audio rendering in applications such as virtual reality, augmented reality, and wearable audio capture.

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Yhonatan Gayer, Vladimir Tourbabin, Zamir Ben Hur, David Lou Alon, Boaz Rafaely. 2025-07-15. Array-Aware Ambisonics and HRTF Encoding for Binaural Reproduction With Wearable Arrays. https://arxiv.org/abs/2507.11091

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