CEO Alarm - sound credits

Sirens, alarms, fuse and explosion
  Synthesised from scratch for this site (tools/sirens.py, tools/fx.py). No third-party recordings.

Voices
  Generated with Piper text-to-speech (https://github.com/OHF-Voice/piper1-gpl)
  using the en_GB-vctk-medium voice model, then processed with effects
  (pitch shifts, megaphone, radio, PA, reverb) in tools/voices.py.

  The voice model is trained on the CSTR VCTK Corpus:
  Junichi Yamagishi, Christophe Veaux, Kirsten MacDonald,
  University of Edinburgh, Centre for Speech Technology Research (CSTR).
  https://doi.org/10.7488/ds/2645
  Licensed under Creative Commons Attribution 4.0 International
  https://creativecommons.org/licenses/by/4.0/

Typeface
  Overpass, Copyright 2021 The Overpass Project Authors
  SIL Open Font License 1.1 (/fonts/OFL.txt)