This is the raw measured data that is analysed and presented in: T. J. Cox , G. Dodgson, L.
Harris, E. Perugia, M. A. Stone, M. Walsh, Improving the measurement and
acoustic performance of transparent face masks and shields, Journal of the
Acoustical Society of America, 2022.
Included:
* Impulse responses for a head and torso with mouth simulator measured at a microphone 1m away, with and without a variety of face masks and shields.
* Recordings of four talkers reciting prose with and without various face masks to a microphone 1m away.
* Laser Doppler vibrometer measurements of various face masks.
The "descriptions of files.docx" describes the contents of the zip archives.
The file mask_construction_instructions_templates.pdf includes templates and instructions for making the final mask design.
Funding
EPSRC EP/V051571/1 Improved face-worn PPE designs for use by the public and professionals to reduce audio-visual communication difficulties