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Real-Time Auralisation of Outdoor Sound Propagation
Jonas Stienen
2023
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Auralisation describes the process of generating and presenting audible sound using computer programs and audio hardware. Since the result is perceived naturally by the human's auditory system, a demonstration by means of auralisation is easily comprehensible and neither requires background knowledge nor expertise. Producing auralisation under real-time constraints increases the implementation demands significantly. Real-time auralisation is required in applications that respond to user interaction, for example, in interactive Virtual Reality (VR) environments. The realisation of a real-time auralisation application for outdoor environments represents a promising addition to current noise assessment procedures. It also delivers the foundation for the auditory modality in outdoor VR scenarios, which can serve as as an audio-video tool for perception-related scientific investigations. Traditional approaches often neglect the time-variant characteristic of dynamically moving sound sources and receivers, treating an acoustic environment as temporarily static on a frame-by-frame basis. Adaption to dynamic events is implemented by transition of sequences of time-invariant simulations, which is contradictory to the highly dynamic nature of outdoor scenarios. This book describes a system that attaches increased importance to fast geometric diffraction simulations and employs an audio rendering network that reflects the time-variant nature of dynamic outdoor sound propagation.
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Keywords
- Acoustic & sound engineering
- Algorithms & data structures
- Audio processing
- Auralisation
- Communications engineering / telecommunications
- Computer modelling & simulation
- Computer programming / software development
- Computer science
- Computing & information technology
- Digital signal processing
- Electronics & communications engineering
- environmental noise
- Human-computer interaction
- Mathematical physics
- Mathematics & science
- Music
- Music recording & reproduction
- Other technologies & applied sciences
- Physics
- Real-time
- Signal processing
- Sound Propagation Simulation
- Technology, engineering, agriculture
- The arts
- thema EDItEUR::A The Arts::AV Music::AVX Music recording and reproduction
- thema EDItEUR::P Mathematics and Science::PH Physics::PHU Mathematical physics
- thema EDItEUR::U Computing and Information Technology::UM Computer programming / software engineering::UMB Algorithms and data structures
- thema EDItEUR::U Computing and Information Technology::UY Computer science::UYM Computer modelling and simulation
- thema EDItEUR::U Computing and Information Technology::UY Computer science::UYS Digital signal processing (DSP)
- thema EDItEUR::U Computing and Information Technology::UY Computer science::UYU Audio processing
- thema EDItEUR::U Computing and Information Technology::UY Computer science::UYV Virtual reality
- thema EDItEUR::U Computing and Information Technology::UY Computer science::UYZ Human–computer interaction
- Virtual reality
Links
DOI: 10.30819/5629Editions