{"id":194,"date":"2022-06-18T14:08:39","date_gmt":"2022-06-18T14:08:39","guid":{"rendered":"https:\/\/neuromorphicrobotics.com\/?p=194"},"modified":"2022-06-18T14:08:39","modified_gmt":"2022-06-18T14:08:39","slug":"how-to-implement-brain-inspired-sound-localization-with-in-situ-training-using-memristor-based-analogue-computing","status":"publish","type":"post","link":"https:\/\/braininspiredrobotics.com\/?p=194","title":{"rendered":"How to implement brain-inspired sound localization with in situ training using memristor-based analogue computing?"},"content":{"rendered":"<p style=\"text-align: justify;\">Bin Gao, Ying Zhou, Qingtian Zhang, Shuanglin Zhang, Peng Yao, Yue Xi, Qi Liu, Meiran Zhao, Wenqiang Zhang, Zhengwu Liu, Xinyi Li, Jianshi Tang, He Qian &amp; Huaqiang Wu . <a href=\"https:\/\/www.nature.com\/articles\/s41467-022-29712-8\"><strong>Memristor-based analogue computing for brain-inspired sound localization with in situ training<\/strong><\/a>. Nat Commun 13, 2026 (2022). https:\/\/doi.org\/10.1038\/s41467-022-29712-8<\/p>\n<p style=\"text-align: justify;\">Abstract<br \/>\n&#8220;The human nervous system senses the physical world in an analogue but efficient way.<strong><span style=\"color: #ff0000;\"> As a crucial ability of the human brain, sound localization is a representative analogue computing task and often employed in virtual auditory systems<\/span><\/strong>. Different from well-demonstrated classification applications, all output neurons in localization tasks contribute to the predicted direction, introducing much higher challenges for hardware demonstration with memristor arrays. <strong><span style=\"color: #ff0000;\">In this work, with the proposed multi-threshold-update scheme, we experimentally demonstrate the in-situ learning ability of the sound localization function in a 1K analogue memristor array.<\/span><\/strong> The experimental and evaluation results reveal that the scheme improves the training accuracy by \u223c45.7% compared to the existing method and reduces the energy consumption by \u223c184\u00d7 relative to the previous work. <strong><span style=\"color: #ff0000;\">This work represents a significant advance towards memristor-based auditory localization system with low energy consumption and high performance.<\/span><\/strong>&#8220;<\/p>\n<p style=\"text-align: justify;\">Bin Gao, Ying Zhou, Qingtian Zhang, Shuanglin Zhang, Peng Yao, Yue Xi, Qi Liu, Meiran Zhao, Wenqiang Zhang, Zhengwu Liu, Xinyi Li, Jianshi Tang, He Qian &amp; Huaqiang Wu . <a href=\"https:\/\/www.nature.com\/articles\/s41467-022-29712-8\"><strong>Memristor-based analogue computing for brain-inspired sound localization with in situ training<\/strong><\/a>. Nat Commun 13, 2026 (2022). https:\/\/doi.org\/10.1038\/s41467-022-29712-8<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bin Gao, Ying Zhou, Qingtian Zhang, Shuanglin Zhang, Peng Yao, Yue Xi, Qi Liu, Meiran Zhao, Wenqiang Zhang, Zhengwu Liu, Xinyi Li, Jianshi Tang, He Qian &amp; Huaqiang Wu . Memristor-based analogue computing for brain-inspired sound localization with in situ training. Nat Commun 13, 2026 (2022). https:\/\/doi.org\/10.1038\/s41467-022-29712-8 Abstract &#8220;The human nervous system senses the physical [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,5],"tags":[25,22,24,23],"class_list":["post-194","post","type-post","status-publish","format-standard","hentry","category-neuromorphic-application","category-neuromorphic-computing","tag-analogue-computing","tag-brain-inspired-sound-localization","tag-memristor","tag-neuromorphic-sound-localization"],"_links":{"self":[{"href":"https:\/\/braininspiredrobotics.com\/index.php?rest_route=\/wp\/v2\/posts\/194","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/braininspiredrobotics.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/braininspiredrobotics.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/braininspiredrobotics.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/braininspiredrobotics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=194"}],"version-history":[{"count":1,"href":"https:\/\/braininspiredrobotics.com\/index.php?rest_route=\/wp\/v2\/posts\/194\/revisions"}],"predecessor-version":[{"id":195,"href":"https:\/\/braininspiredrobotics.com\/index.php?rest_route=\/wp\/v2\/posts\/194\/revisions\/195"}],"wp:attachment":[{"href":"https:\/\/braininspiredrobotics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=194"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/braininspiredrobotics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=194"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/braininspiredrobotics.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=194"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}