Editing Binaural recording (section)

=== Brüel & Kjær Head and Torso Simulators (HATS) ===
[[File:Head and torso simulator.jpg|thumb|Brüel & Kjær head and torso simulator (HATS)]]

Designed to be used in-situ for [[Acoustical engineering|electro-acoustic]] tests on, for example, telephone handsets, headsets, audio conference devices, microphones, headphones, hearing aids and hearing protectors.<ref>{{Cite web |title=High-Frequency Head and Torso Simulator |url=https://www.bksv.com/en/transducers/simulators/head-and-torso/hats-type-5128 |website=Brüel & Kjær |access-date=5 December 2020 }}</ref> It includes soft moulded pinnae, nose, mouth and torso. Using an MRI scanner, Brüel & Kjær and DTU collected the geometries of a large population of human ears. By capturing the full ear canal geometry including the bony part adjoining the eardrum was, this data was post-processed to determine the average human ear canal geometry.<ref>{{Cite web |title=High Frequency HATS, Why? |url=https://www.bksv.com/en/knowledge/blog/sound/high-frequency-hats |access-date=12 May 2020 }}</ref>