1995, National Research Council, Computer Science and Telecommunications Board, Committee on Virtual Reality Research and Development, Virtual Reality: Scientific and Technological Challenges, National Academies Press (→ISBN), page 20:
In many such cases, information from the real environment is sensed directly by means of a see-through display, and the supplementary information from the virtual environment is overlaid on this display. […] [It combines] images obtained from direct sensing of objects in the environment with images generated by a computer using see-through (or hear-through or feel-through) displays.
1977, Popular Mechanics:
Now Pioneer's Model SE - 4 with superthin polyester drivers for stereo, has a hear-through design on the ear pads so adjacent voices come through.
2014, Constantine Stephanidis, HCI International 2014 - Posters' Extended Abstracts: International Conference, HCI International 2014, Heraklion, Crete, June 22-27, 2014. Proceedings, Springer (→ISBN), page 441:
The principles of a hear-through device have previously been described and tested [5] and potential applications have been described in [6]. The work included the design of a hear-through device and a small-scale usability evaluation.
