Comparer des méthodes

	Trajectographie acoustique	Réponse impulsionnelle de salle
Domaine	Acoustique	Acoustique
Famille	Process / pipeline	Process / pipeline
Année d'origine	1979	1965
Auteur d'origine	James Allen, David Berkley	Manfred Schroeder
Type	Computational room acoustics method	Measurement pipeline for room acoustics
Source fondatrice	Allen, J. B., & Berkley, D. A. (1979). Image method for efficiently simulating small-room acoustics. Journal of the Acoustical Society of America, 65(4), 943–950.	Schroeder, M. R. (1965). New method of measuring reverberation time. Journal of the Acoustical Society of America, 37(6), 409–412.
Alias	ray tracing, geometric acoustics, image source method, sound ray propagation	RIR, impulse response measurement
Apparentées	5	5
Résumé	Acoustic ray tracing is a computational technique for predicting sound propagation in rooms by treating acoustic energy as rays that reflect specularly off surfaces. Formalized by Allen and Berkley in 1979 via the image source method, ray tracing is one of the most computationally efficient methods for room acoustic simulation, especially for early and mid-reflections. It is widely used in audio engineering, architectural acoustics, and interactive spatial audio for virtual environments.	The Room Impulse Response (RIR) is a measure of how a physical space (room) affects acoustic signals propagating through it. First formalized by Manfred Schroeder in 1965, RIR captures the complete acoustic character of a space by measuring the system response to an impulsive sound source. It is fundamental to characterizing room acoustics, designing audio systems, and modeling spatial audio effects.