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Raumakustische Simulation und Auralisation

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Handbuch der Audiotechnik

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Zusammenfassung

In der Raumakustik können analytische Formeln und Computersimulationen verwendet werden, um die Akustik von Räumen vorherzusagen. In diesem Zusammenhang ist hauptsächlich die Raumimpulsantwort von Interesse. Sie bildet eine Art „Signatur“ des Raumes, aus der sich nicht nur die Nachhallzeit, sondern auch andere Parameter berechnen lassen, die mit der Wahrnehmung von Musik oder Sprache zusammenhängen. In diesem Kapitel werden die Grundlagen von Computersimulationen für Berechnungen von Impulsantworten erläutert, wobei die geometrische Akustik sowie wellenbasierte numerische Verfahren zur Sprache kommen. Beschreibungen und Datenformate für Schallquellen sowie für Reflexionseigenschaften von Oberflächen sind dabei wesentliche Voraussetzungen für eine Planung von Räumen und Beschallungsanlagen. Die Daten- und Signalverarbeitung ermöglicht es, durch eine Auralisation in die simulierten Räume hineinzuhören, um das Schallfeld im Raum auditorisch zu evaluieren. Mit einer Berechnung in Echtzeit wird dies zu einer wertvollen Erweiterung von Techniken der Virtuellen Realität. Fragen zur Genauigkeit von Simulationsverfahren und Anwendungsbeispiele runden dieses Kapitel ab.

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Authors and Affiliations

  1. IHTA – Institute for Hearing Technology and Acoustics, RWTH Aachen University, Aachen, Deutschland

    Michael Vorländer

  2. Ahnert Feistel Media Group (AFMG), Berlin, Deutschland

    Stefan Feistel

Authors
  1. Michael Vorländer
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  2. Stefan Feistel
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Correspondence to Michael Vorländer .

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Editors and Affiliations

  1. Fachgebiet Audiokommunikation, Technical University of Berlin, Berlin, Deutschland

    Stefan Weinzierl

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Vorländer, M., Feistel, S. (2023). Raumakustische Simulation und Auralisation. In: Weinzierl, S. (eds) Handbuch der Audiotechnik. Springer Vieweg, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-60357-4_15-1

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  • DOI: https://doi.org/10.1007/978-3-662-60357-4_15-1

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