Array-Aware Ambisonics and HRTF Encoding for Binaural Reproduction With Wearable Arrays
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
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| _version_ | 1866908840147025920 |
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| author | Gayer, Yhonatan Tourbabin, Vladimir Hur, Zamir Ben Alon, David Lou Rafaely, Boaz |
| author_facet | Gayer, Yhonatan Tourbabin, Vladimir Hur, Zamir Ben Alon, David Lou Rafaely, Boaz |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_11091 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Array-Aware Ambisonics and HRTF Encoding for Binaural Reproduction With Wearable Arrays Gayer, Yhonatan Tourbabin, Vladimir Hur, Zamir Ben Alon, David Lou Rafaely, Boaz Audio and Speech Processing Sound Signal Processing 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. |
| title | Array-Aware Ambisonics and HRTF Encoding for Binaural Reproduction With Wearable Arrays |
| topic | Audio and Speech Processing Sound Signal Processing |
| url | https://arxiv.org/abs/2507.11091 |