Classification and Direction Detection of Ambient Sounds on Microsoft HoloLens to Support Hearing-impaired People Topics: “Intelligent” Medical Devices and Systems; Ambient Assistive Living; Body Sensor/Area Networks; Wearable Healthcare In Proceedings of the 15th International Joint Conference on Biomedical Engineering Systems and Technologies - Volume 5 HEALTHINF: WHC, 857-863, 2022 , Vienna, Austria