Auralization 2026

Auralization

The ASSA Auralization School provides participants with a complete overview of the auralization chain, from the fundamentals of sound propagation and signal processing, to modelling for binaural hearing, to spatial audio reproduction systems, auralization of simulated and captured sound fields and perceptual evaluation. Through a combination of lectures, hands-on tutorials, and listening experiments, participants will learn how audio data are captured, simulated, rendered, and ultimately assessed by listeners.
Day 1
  • November 2, 2026
    Auralization fundamentals and challenges

    Lectures
    - General introduction & concept of auralization
    - Introcution to signal processing
    - Concept of IR-based auralization
    - Overview of methods to capture, synthesize/simulate and reproduce audio data
    - Comparison of auralization methods
    - Limitations of methods (regarding recording, simulations, reproduction)
    - Required (input) data

    Tutorial
    - Generation of simple propagation effects (MATLAB or Python)
    - REAPER-based examples

    Lecturers:
Day 2
  • November 3, 2026
    Receiver modelling for auralization

    Lectures
    - Introduction to spatial hearing and HRTFs
    - Interaural and monaural cues
    - HRTFs (including individual versus non-individual)
    - Measurement and numerical simulation
    HRTF representations
    - Time aligned Interpolation
    - Deep learning based interpolation
    - Ambisonics/Spherical Harmonics representation

    Tutorial
    - Working with SOFA files
    - Inspecting HRTFs by plotting
    - Inspecting HRTFs by listening
    - Ambisonics/SH transform

    Lecturers:
Day 3
Day 4
  • November 5, 2026
    Auralization of simulated and captured sound fields

    Lectures
    - Auralization of wave-based simulations with Chalmers Auralization Toolbox
    - Auralization of sound fields captured with microphone arrays (impulse responses and actual recordings)
    - Auralization using parametric representations of room impulse responses (SIRR, SDM, etc.)
    - Linear versus parametric methods

    Tutorial
    – Extend a basic SDM implementation (using python) and create audio examples to be used on Day 5

    Lecturers:
Day 5
  • November 6, 2026
    Auralization quality evaluation

    Lectures
    - Principles of auralization quality evaluation (as paired comparison, multiple simultaneous comparison) andc case study
    - Sensory evaluation, principles and ideas, concert hall study as an example

    Tutorial
    - Listening tests with participants individually using WebMUSHRA, based on signals created in Day 4 session the previous day.

    Lecturers:

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