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Raum Akustik

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Calculator / Simulator

Link Comment
First Reflection Image
First Reflection
Room Modes Simulator More then rectangular room / 3D
Room Modes
RT60 Simulator
Porous Absorber Nice plots
Multilayer Membrane Absorber
Air Density
Delany-Bazley Model Paper

FDTD

Link Comment
DAFx17 Tutorial 2: Brian Hamilton - Simulation of Room Acoustics
Tutorial on finite-difference time-domain (FDTD) methods for room acoustics simulation
Stefan Bilbao: Wave-based Time Domain Methods in Room Acoustics Auralisation
Finite Difference and Finite Volume Methods for Wave-based Modelling of Room Acoustics Brian Hamilton
PFFDTD (pretty fast FDTD) Brian Hamilton
github.com/bsxfun/fdtd_tutorial_asa: Code for FDTD Tutorial, 180th ASA Meeting (Acoustics in Focus)
github.com/reuk/wayverb: Hybrid waveguide and raytracer for room acoustics on the GPU
github.com/AaltoRSE/ParallelFDTD: A Parallel FDTD solver for room acoustics
Voxelizer
github.com/oneapi-src/oneAPI-samples: SYCL ISO2DFD Sample
github.com/oneapi-src/oneAPI-samples: SYCL ISO3DFD Sample
github.com/codeplaysoftware/syclacademy: SYCL Examples

FEM Modelling

Link Comment
Elmer
Acoustics Modelling Blog
Room modes in 3D using sketchup and FEM

Measurements

Link Comment
Digital room equalisation
Swept Sine Chirps for Measuring Impulse Response
Sine Sweep Optimization For Room Impulse Response Measurements
Loudness Normalisation And Permitted Maximum Level Of Audio Signals EBU R-128
Listening conditions for the assessment of sound programme material: monophonic and two–channel stereophonic EBU Tech. 3276
Measuring room impulse responses: impact of the decay range on derived room acoustic parameters

Guides

Link Comment
Multilayer Membrane Absorber Forum Post
Multilayer Membrane Absorber Video
NTI Audio: Know-How
Room Impulse Response Simulation with Stochastic Ray Tracing Matlab
Room Impulse Response Simulation with the Image-Source Method and HRTF Interpolation Matlab

Books

Link Comment
amcoustics: Online Book
Multiphysics Cyclopedia By COMSOL
Thermodynamics – Basic Concepts
Acoustic Impedance
Finite Element Method for Acoustics
Acoustic impedance, intensity and power
Design of a Fully Anechoic Chamber
Auralization: Fundamentals of Acoustics, Modelling, Simulation, Algorithms and Acoustic Virtual Reality
Finite Difference and Finite Volume Methods for Wave-based Modelling of Room Acoustics
Partitioned convolution algorithms for real-time auralization

ODEON

Link Comment
Room Acoustics lecture by ODEON founder, Jens Holger Rindel
Quick workflow
Material calculator
Sine sweep optimization for room impulse response measurements
Global estimate of reverberation
Source Directivity Editor
Ray tracing and hybrid methods

Absorber

Link Comment
Potential of microperforated panel absorber
Multi-chamber micro-perforated panel absorbers optimised for high amplitude broadband absorption using a two-point impedance method

Impact Absorber

Diffusor

Sound Transmission

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