Über den Nachhall in geschlossenen Räumen

Schuster, K.; Waetzmann, E.

doi:10.1002/andp.19293930505

Cited by 22 publications

(4 citation statements)

References 3 publications

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“…14 The validity of the GA approach when the wavelength of sound is small compared to the room dimensions was shown in 1929. 15 The first computer model used to determine mean free path lengths was presented by Allred and Newhouse in 1958. 16 Atal and Schroeder demonstrated the computation of global decay functions in two-dimensional (2D) rooms using ray tracing in 1967, 8,17 while the first method of computing room acoustic responses for different receiver positions was introduced by Krokstad et al in 1968.…”

Section: B Early Historymentioning

confidence: 99%

Overview of geometrical room acoustic modeling techniques

Savioja¹,

Svensson

2015

The Journal of the Acoustical Society of America

301

190

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Computerized room acoustics modeling has been practiced for almost 50 years up to date. These modeling techniques play an important role in room acoustic design nowadays, often including auralization, but can also help in the construction of virtual environments for such applications as computer games, cognitive research, and training. This overview describes the main principles, landmarks in the development, and state-of-the-art for techniques that are based on geometrical acoustics principles. A focus is given to their capabilities to model the different aspects of sound propagation: specular vs diffuse reflections, and diffraction.

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Section: B Early Historymentioning

confidence: 99%

Overview of geometrical room acoustic modeling techniques

Savioja¹,

Svensson

2015

The Journal of the Acoustical Society of America

301

190

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“…To our knowledge, no data are available on just called "real" rise and decay time, in which the -60-dB criterion was replaced by "the threshold of hearing" (Schuster & Waetzmann, 1929). A definition of rise and decay time for speech signals should acknowledge that fact that speech does not contain steady state intensity portions as do the standard psychophysical signals.…”

Section: Psychophysical Data On Rise/decay Time Jndsmentioning

confidence: 99%

Effect and artifact in the auditory discrimination of rise and decay time: Speech and nonspeech

Broecke

Heuven

1983

Perception & Psychophysics

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“…often referred to as Norris-Eyring time (Fokker 1924, Schuster and Waetzmann 1929, Eyring 1930, see also Morse and Bolt (1944). The universality of Sabine's formula (74) or equation ( 75) was soon questioned leading to a discussion on the relation between decay times and the underlying (acoustic) ray dynamics.…”

Section: Decay Times-early Considerationsmentioning

confidence: 99%

Wave chaos in acoustics and elasticity

Tanner¹,

Søndergaard²

2007

J. Phys. A: Math. Theor.

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Interpreting wave phenomena in terms of an underlying ray dynamics adds a new dimension to the analysis of linear wave equations. Forming explicit connections between spectra and wavefunctions on the one hand and the properties of a related ray dynamics on the other hand is a comparatively new research area, especially in elasticity and acoustics. The theory has indeed been developed primarily in a quantum context; it is increasingly becoming clear, however, that important applications lie in the field of mechanical vibrations and acoustics. We provide an overview over basic concepts in this emerging field of wave chaos. This ranges from ray approximations of the Green function to periodic orbit trace formulae and random matrix theory and summarizes the state of the art in applying these ideas in acoustics-both experimentally and from a theoretical/numerical point of view.

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Über den Nachhall in geschlossenen Räumen

Cited by 22 publications

References 3 publications

Overview of geometrical room acoustic modeling techniques

Overview of geometrical room acoustic modeling techniques

Effect and artifact in the auditory discrimination of rise and decay time: Speech and nonspeech

Wave chaos in acoustics and elasticity

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