Virtual Reconstruction of Historical Heritage: A 6DoF Immersive Audio Reproduction of Magoksa Temple

This paper presents a six-degrees-of-freedom (6DoF) audiovisual framework that advances spatial computing capabilities for virtual reconstructions of cultural heritage sites. Despite recent advances in virtual reality (VR) and spatial computing, achieving perceptually plausible spatial audio remains a significant hurdle, especially within the field of digital heritage. To address this, we propose a hybrid framework that integrates a 3D scanned model with room acoustical data captured by a spherical microphone array. This approach is demonstrated through a case study of Daegwangbojeon Hall at Magoksa Temple, a UNESCO World Heritage site in South Korea. This integration facilitates a holistic representation in which visual geometry and room acoustical properties are computationally cross-referenced to enhance spatial coherence and plausibility. Evaluation through a comparison of physical acoustic metrics shows our method more accurately replicates original acoustic characteristics than conventional impulse response convolution approaches using First-Order Ambisonics (FOA) or monophonic, especially for sound clarity and auditory spatial impression. These findings offer a perceptually grounded approach for immersive documentation that is valuable for VR-based heritage preservation.