Code & Data

Open-source toolboxes, datasets, and the code accompanying our papers.

Toolboxes

pyFDN Python

Building blocks for designing, simulating, and analysing feedback delay networks, with feedback-matrix generation, loop-filter design, and stability analysis.

Source Documentation

FLAMO Python

Frequency-sampling library for audio-module optimisation — differentiable, frequency-domain audio processing in PyTorch.

Source Documentation Paper

fdnToolbox MATLAB

Comprehensive MATLAB toolbox for feedback delay network design and analysis.

Source

PyRES Python

Development, evaluation, and simulation of reverberation enhancement systems.

Source

DecayFitNet Python

Neural network for multi-exponential sound energy decay analysis of room impulse responses.

Source Paper

Common-Slope Analysis MATLAB

Common-slope modelling of late reverberation in coupled and complex spaces.

Source Paper

Datasets

Released with the papers below, generated from the publication list.

On the Role of Speech Similarity in the Detection of Room Acoustic Differences
2026 · The Journal of the Acoustical Society of America
Dataset Paper
DataRES and PyRES: A Room Dataset and a Python Library for Reverberation Enhancement System Development, Evaluation, and Simulation
2025 · International Conference on Digital Audio Effects (Dafx25)
Dataset Code
A Multi-Room Transition Dataset for Blind Estimation of Energy Decay
2024 · 2024 18th Int. Work. Acoust. Signal Enhanc. (IWAENC)
Dataset Paper Code
Dynamic Late Reverberation Rendering Using the Common-Slope Model
2024 · 6th AES International Conference on Audio for Games
Dataset
Exploring Sauna Impulse Responses
2024 · INTER-NOISE NOISE-CON Congr. Conf. Proc.
Dataset Paper
Matching Early Reflections of Simulated and Measured RIRs by Applying Sound-Source Directivity Filters
2024 · Audio Engineering Society Conference: AES 2024 International Acoustics & Sound Reinforcement Conference
Dataset
Recording a Dataset of Audiovisual Speech for AR Telepresence Studies
2024 · DAGA
Dataset
Common-Slope Modeling of Late Reverberation
2023 · IEEE/ACM Transactions on Audio, Speech and Language Processing
Dataset Paper Code
Calibrating the Sabine and Eyring Formulas
2022 · The Journal of the Acoustical Society of America
Dataset Paper
A Dataset of Higher-Order Ambisonic Room Impulse Responses and 3D Models Measured in a Room with Varying Furniture
2021 · International Conference on Immersive and 3D Audio (I3DA)
Dataset Paper
Acoustic Analysis and Dataset of Transitions between Coupled Rooms
2021 · IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
Dataset Paper
Assessing Room Acoustic Memory Using a Yes/No and a 2-AFC Paradigm
2021 · Nordic Sound and Music Conference
Dataset
Auralisation of the Transition between Coupled Rooms
2021 · International Conference on Immersive and 3D Audio (I3DA)
Dataset Paper

Code for papers

Reproducible code released with individual papers, generated from the publication list.

wjcassidy/AAESToolbox Active Acoustic Enhancement Systems: A Review (2026)
kyungyunlee/robust-deconv AnyRIR: Robust Non-Intrusive Room Impulse Response Estimation in the Wild (2026)
SebastianJiroSchlecht/PolynomialProcrustes Best Least Squares Paraunitary Approximation: Analytic Procrustes Problem (2026)
orchidas/DiffGFDN Differentiable Grouped Feedback Delay Networks for Learning Coupled Volume Acoustics (2026)
kyungyunlee/rirflow Solving Room Impulse Response Inverse Problems Using Flow Matching with Analytic Wiener Denoiser (2026)
StephanWeiss5/WSA25-precoding Challenges to Subcarrier MIMO Precoding and Equalisation with Smooth Phase Responses (2025)
KPrawda/RIR-cropping Cropping Room Impulse Responses Using Unimodal Regression of Their Covariance (2025)
linjac/rir-completion Deep Room Impulse Response Completion (2025)
CristobalAndrade/Delay-Optimization-DAFx-2025 Delay Optimization towards Smooth Sparse Noise (2025)
kyungyunlee/rir-model-eval Evaluating Reverberation Models for Augmented Reality (2025)
IoSR-Surrey/MoD-ART Modeling Nonuniform Energy Decay through the Modal Decomposition of Acoustic Radiance Transfer (MoD-ART) (2025)
SebastianJiroSchlecht/MultiShelfGEQ Multi-Shelf Graphic Equalizer (2025)
gdalsanto/diff-fdn-colorless Optimizing Tiny Colorless Feedback Delay Networks (2025)
audiolabs/blind-multi-room-model A Multi-Room Transition Dataset for Blind Estimation of Energy Decay (2024)
Ion3rik/dark-velvet-noise-reverb Binaural Dark-Velvet-Noise Reverberator (2024)
Non-Exponential Reverberation Modeling Using Dark Velvet Noise (2024)
kyungyunlee/fade-in-reverb Fade-in Reverberation in Multi-Room Environments Using the Common-Slope Model (2024)
ville14/KLANN KLANN: Linearising Long-Term Dynamics in Nonlinear Audio Effects Using Koopman Networks (2024)
SebastianJiroSchlecht/FDNModalShapes Modal Excitation in Feedback Delay Networks (2024)
KPrawda/mosaic_noise_removal Non-Stationary Noise Removal from Repeated Sweep Measurements (2024)
gdalsanto/rir2fdn RIR2FDN: An Improved Room Impulse Response Analysis and Synthesis (2024)
SebastianJiroSchlecht/EigenBones Reconstructing Analytic Dinosaurs: Polynomial Eigenvalue Decomposition for Eigenvalues with Unmajorised Ground Truth (2024)
KPrawda/short-time-coherence-model Short-Time Coherence between Repeated Room Impulse Response Measurements (2024)
gdalsanto/similarity-metrics-for-rirs Similarity Metrics for Late Reverberation (2024)
KPrawda/Two_stage_filter Two-Stage Attenuation Filter for Artificial Reverberation (2024)
thomas-mckenzie/srir_interpolation Auralization of Measured Room Transitions in Virtual Reality (2023)
Source Position Interpolation of Spatial Room Impulse Responses (2023)
Perceptually Informed Interpolation and Rendering of Spatial Room Impulse Responses for Room Transitions (2022)
SebastianJiroSchlecht/bounded_dft Bounded-Magnitude Discrete Fourier Transform [Tips & Tricks] (2023)
Ion3rik/fdnDecorrelation Decorrelation in Feedback Delay Networks (2023)
SebastianJiroSchlecht/ShoeboxModalDampingDistribution Distribution of Modal Damping in Absorptive Shoebox Rooms (2023)
orchidas/Frequency-dependent-GFDN Grouped Feedback Delay Networks with Frequency-Dependent Coupling (2023)
ahihi/latency-analyzer Measuring Motion-to-Sound Latency in Virtual Acoustic Rendering Systems (2023)
simonschwaer/adagio-for-things A Variational Y-Autoencoder for Disentangling Gesture and Material of Interaction Sounds (2022)
julian-parker/DAFX22_FNO Physical Modeling Using Recurrent Neural Networks with Fast Convolutional Layers (2022)
lladopedro/TransparencyEvaluation Predicting Perceptual Transparency of Head-Worn Devices (2022)
chris-hld/Directional-Multi-Slope-Room-Impulse-Response-Denoising Resynthesis of Spatial Room Impulse Response Tails with Anisotropic Multi-Slope Decays (2022)
georg-goetz/ARTSRAM Autonomous Robot Twin System for Room Acoustic Measurements (2021)
ehabets/ANF-Generator-Revised Generating Coherence-Constrained Multisensor Signals Using Balanced Mixing and Spectrally Smooth Filters (2021)
chris-hld/spaudiopy Spatial Filter Bank in the Spherical Harmonic Domain: Reconstruction and Application (2021)
SebastianJiroSchlecht/MixedDimensionFTM A String in a Room: Mixed-dimensional Transfer Function Models for Sound Synthesis (2020)
gitlab/soundinvr_public Fade-in Control for Feedback Delay Networks (2020)
SebastianJiroSchlecht/FrequencyDependentSchroederAllpass Frequency-Dependent Schroeder Allpass Filters (2019)
SebastianJiroSchlecht/OptimizedVelvetDecorrelators Optimized Velvet-Noise Decorrelator (2018)