{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,30]],"date-time":"2025-12-30T17:05:24Z","timestamp":1767114324982,"version":"3.48.0"},"publisher-location":"New York, NY, USA","reference-count":13,"publisher":"ACM","funder":[{"name":"Deutsche Forschungsgemeinschaft &#x28;DFG, German Research Foundation&#x29; GRK2739&#x5c;&#x2f;1 Research Training Group&#x3a; KD&sup2;School Designing Adaptive Systems for Economic","award":["Project Nr. 447089431"],"award-info":[{"award-number":["Project Nr. 447089431"]}]},{"name":"Carl-Zeiss-Foundation as part of stay young with robots &#x28;JuBot&#x29; project","award":[""],"award-info":[{"award-number":[""]}]}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2025,10,12]]},"DOI":"10.1145\/3714394.3754416","type":"proceedings-article","created":{"date-parts":[[2025,12,29]],"date-time":"2025-12-29T21:13:49Z","timestamp":1767042829000},"page":"439-443","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["UltrasonicSpheres: Localized, Multi-Channel Sound Spheres Using Off-the-Shelf Speakers and Earables"],"prefix":"10.1145","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-9021-0359","authenticated-orcid":false,"given":"Michael","family":"K\u00fcttner","sequence":"first","affiliation":[{"name":"Karlsruhe Institute of Technology, Karlsruhe, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-1158-861X","authenticated-orcid":false,"given":"Valeria","family":"Zitz","sequence":"additional","affiliation":[{"name":"Karlsruhe Institute of Technology, Karlsruhe, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8449-6124","authenticated-orcid":false,"given":"Kathrin","family":"Gerling","sequence":"additional","affiliation":[{"name":"Karlsruhe Institute of Technology, Karlsruhe, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5009-2327","authenticated-orcid":false,"given":"Michael","family":"Beigl","sequence":"additional","affiliation":[{"name":"Karlsruhe Institute of Technology, Karlsruhe, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4718-9280","authenticated-orcid":false,"given":"Tobias","family":"R\u00f6ddiger","sequence":"additional","affiliation":[{"name":"Karlsruhe Institute of Technology, Karlsruhe, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2025,12,29]]},"reference":[{"unstructured":"Apple Inc. 2025. Control Spatial Audio and head tracking. https:\/\/support.apple.com\/en-en\/guide\/airpods\/dev00eb7e0a3\/web Accessed: 2025-05-24.","key":"e_1_3_2_2_1_1"},{"doi-asserted-by":"publisher","key":"e_1_3_2_2_2_1","DOI":"10.1109\/MSP.2014.2360707"},{"key":"e_1_3_2_2_3_1","volume-title":"Takuya Yoshioka, and Shyamnath Gollakota.","author":"Chen Tuochao","year":"2024","unstructured":"Tuochao Chen, Malek Itani, Sefik Emre Eskimez, Takuya Yoshioka, and Shyamnath Gollakota. 2024. Hearable devices with sound bubbles. Nature Electronics (2024), 1-12."},{"doi-asserted-by":"publisher","key":"e_1_3_2_2_4_1","DOI":"10.1145\/3570361.3613281"},{"key":"e_1_3_2_2_5_1","first-page":"1","article-title":"EarEcho: Using ear canal echo for wearable authentication","volume":"3","author":"Gao Yang","year":"2019","unstructured":"Yang Gao, Wei Wang, Vir V Phoha, Wei Sun, and Zhanpeng Jin. 2019. EarEcho: Using ear canal echo for wearable authentication. Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, Vol. 3, 3 (2019), 1-24.","journal-title":"Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies"},{"unstructured":"Holosonics. 2025. Audio Spotlight by Holosonics. https:\/\/www.holosonics.com\/. Accessed: 2025-05-22.","key":"e_1_3_2_2_6_1"},{"doi-asserted-by":"publisher","key":"e_1_3_2_2_7_1","DOI":"10.1145\/3494992"},{"key":"e_1_3_2_2_8_1","volume-title":"The Parametric Array Speaker: A Review. In International Joint Conference on Energy, Electrical and Power Engineering. Springer, 1254-1271","author":"Mei Shangming","year":"2022","unstructured":"Shangming Mei, Hui Xu, Yihua Hu, Mohammed Alkahtani, and Yangang Wang. 2022. The Parametric Array Speaker: A Review. In International Joint Conference on Energy, Electrical and Power Engineering. Springer, 1254-1271."},{"doi-asserted-by":"publisher","key":"e_1_3_2_2_9_1","DOI":"10.1145\/3025453.3025989"},{"doi-asserted-by":"publisher","key":"e_1_3_2_2_10_1","DOI":"10.1145\/3712069"},{"doi-asserted-by":"publisher","key":"e_1_3_2_2_11_1","DOI":"10.1145\/3613904.3642057"},{"doi-asserted-by":"publisher","key":"e_1_3_2_2_12_1","DOI":"10.1145\/3594738.3611379"},{"doi-asserted-by":"publisher","key":"e_1_3_2_2_13_1","DOI":"10.1073\/pnas.2408975122"}],"event":{"sponsor":["SIGMOBILE ACM Special Interest Group on Mobility of Systems, Users, Data and Computing","SIGCHI ACM Special Interest Group on Computer-Human Interaction","SIGSPATIAL ACM Special Interest Group on Spatial Information"],"name":"UbiComp '25:The 2025 ACM International Joint Conference on Pervasive and Ubiquitous Computing \/ ISWC ACM International Symposium on Wearable Computers","location":"Espoo Finland"},"container-title":["Companion of the 2025 ACM International Joint Conference on Pervasive and Ubiquitous Computing"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3714394.3754416","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,12,30]],"date-time":"2025-12-30T17:01:14Z","timestamp":1767114074000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3714394.3754416"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,10,12]]},"references-count":13,"alternative-id":["10.1145\/3714394.3754416","10.1145\/3714394"],"URL":"https:\/\/doi.org\/10.1145\/3714394.3754416","relation":{},"subject":[],"published":{"date-parts":[[2025,10,12]]},"assertion":[{"value":"2025-12-29","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}