Concepts for Auralization Using Early Reflection Patterns

Simple SummaryContent extracted from patent full text and abstract with AI.

This invention relates to efficient methods and apparatus for sound rendering, especially for applications like virtual reality (VR) and augmented reality (AR), where simulating realistic room acoustics is important. Instead of performing computationally heavy exact calculations of early sound reflections based on room geometry, the invention proposes generating and placing perceptually plausible early reflection patterns around the listener using simple physical room parameters like volume, dimension, and reverberation time. These patterns adapt to the environment and greatly reduce computational load while maintaining believable audio realism.

Use CasesContent extracted from patent full text and abstract with AI.

• Virtual reality (VR) audio rendering, providing realistic sound reflections as users move through virtual spaces.
• Augmented reality (AR) applications where plausible environmental acoustics are needed for immersive experiences.
• Interactive gaming environments that need real-time 3D sound without heavy computation.
• Binaural audio rendering for headphones, giving users a sense of space and positioning in audio-only environments.
• Cinema and home theater systems that simulate various room types for audio playback.
• Architectural acoustic simulations where rapid estimations are needed without detailed modeling.
• Teleconferencing or telepresence systems that aim to transmit realistic environmental audio cues.

BenefitsContent extracted from patent full text and abstract with AI.

• Significantly reduces the computational complexity required for real-time sound reflections in virtual environments.
• Provides perceptually realistic audio by focusing on what is important for the human ear, avoiding unnecessary precision in simulating irrelevant acoustic details.
• Adaptive to different room types, sizes, and even outdoor environments.
• Does not require deep sound engineering expertise; physical room parameters are easy to obtain or estimate.
• Scalable for multiple audio sources and changing listener positions without complex recalculations.
• Enables smoother transitions between acoustic environments (e.g., moving between rooms or indoors/outdoors) with simple parameter updates.
• Can be implemented efficiently in hardware or software, and is suitable for integration in codecs and streaming bitstreams.

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Patent Abstract

The present application concerns early reflection processing concepts for auralization. Embodiments relate to apparatuses and methods for sound rendering considering early reflections and to apparatuses and methods for determining an early reflection pattern.