Abstract
With the advancement of spatial audio technologies, in both recording and reproduction, we are seeing more applications that incorporate 3D sound to create an immersive aural experience. Soundscape design and evaluation for urban planning can now tap into the extensive spatial audio tools for sound capture and 3D sound rendering over headphones and speaker arrays. In this paper, we outline a list of available state-of-the-art spatial audio recording techniques and devices, spatial audio physical and perceptual reproduction techniques, emerging spatial audio techniques for virtual and augmented reality, followed by a discussion on the degree of perceptual accuracy of recording and reproduction techniques in representing the acoustic environment.
Highlights
Urban acoustic environments consist of multiple types of sound sources [1]
Those studies compared the subjective responses of verbal descriptors on soundscape among in situ acoustic environments and the reproduced acoustic environments created by different techniques in laboratory conditions to explore the ecological validity of reproduction systems
We review various recording techniques that are commonly used in audio and acoustics in academic studies and commercial applications
Summary
Urban acoustic environments consist of multiple types of sound sources (e.g., traffic sounds, biological sounds, geophysical sounds, human sounds) [1]. The suggested framework shows interrelationships between person and of 22 activity and place, which may influence a person’s experience of the acoustic environment It is evident from [8] that the human auditory process is deeply entwined in the person-activity-place. The sufficient insight of about the human process to locate a sound source in space, characteristics intensity, phase,auditory and latency mustisbeimperative presented to record and reproduce an acoustic environment with sufficient perceptualtechniques accuracy for proper accurately to both ears. As recording and reproduction techniques are heavily employed in the soundscape design Current reproduction headphones, etc.) have are sufficient fidelity for process, a brief discussion methods will shed(e.g., lightloudspeakers, on the areas where such techniques most commonly proper interpretation of frequency and temporal characteristics in the peripheral system 3, the final soundscape design will be implemented evaluated using synthesized (or simulated) acoustic environment in Stage.
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