Websites hosting anechoic audio content (I.e. for your auralizations)

Anechoic Data – OpenAIR (york.ac.uk)

PHENICX-Anechoic: note annotations for Aalto anechoic orchestral database - MTG - Music Technology Group (UPF)

Anechoic Multi-Channel Recordings of Individual String Quartet Musicians (zenodo.org)

Anechoic recordings of Italian opera (zenodo.org)

Seven Violin Dataset (zenodo.org)

Anechoic and IR Convolution-based Auralization Data Compilation Ensemble (AIRCADE) (zenodo.org)

EARS Dataset | An Anechoic Fullband Speech Dataset Benchmarked for Speech Enhancement and Dereverberation (sp-uhh.github.io)