CSM Acoustics

Papers, Documents and Validation Notes

Publications and technical documentation for the ecosystem, in your language.

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The two-sided surface: a single geometric representation for room acoustics, sound insulation and structural transmission

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The modal region by finite differences: what it solves, why it costs and where it speeds up

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The atmosphere as a decay rate: air absorption in reflection prediction and the bias of the clarity parameters

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Reverberation time prediction beyond the classical model: frequency-dependent openings, exterior return and coupled rooms

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Sound insulation prediction by transfer matrix: validation with a held-out set over 452 laboratory cases

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The level, directivity and reverberant field models of the sound systems module

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Immersive systems: binaural synthesis and room-parameter measurement under ambisonic playback

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What a coverage map discards: sampling, phase, summation between sources and the part of the field statistics cannot describe

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What a steerable array does not declare: aperture, nested modularity and the sign of the normal

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Consistent interactive auralisation: integrating the acoustic and binaural chains in a real-time walkthrough engine

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Parameters that cancel themselves out: three scaling errors in an acoustic engine and how to find them without an external reference

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Validation of thirteen ISO 3382 parameters across seven prediction engines: what can be claimed and what remains open

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Agent-assisted acoustic prediction: a method to keep the calculation defensible

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Exposing an acoustics engine to an agent: design decisions and working method

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