{"id":8014,"date":"2021-12-20T16:10:55","date_gmt":"2021-12-20T14:10:55","guid":{"rendered":"https:\/\/www.audioblog.iis.fraunhofer.com\/?p=8014"},"modified":"2023-01-04T16:13:39","modified_gmt":"2023-01-04T14:13:39","slug":"tensilica-hifi-1-dsp-lc3-lc3plus","status":"publish","type":"post","link":"https:\/\/www.audioblog.iis.fraunhofer.com\/ko\/tensilica-hifi-1-dsp-lc3-lc3plus","title":{"rendered":"\ud150\uc2e4\ub9ac\uce74 HiFi 1 DSP, LC3\/LC3plus \ucf54\ub371 \ud0d1\uc7ac"},"content":{"rendered":"<h2><strong>\ucf00\uc774\ub358\uc2a4<\/strong> <strong>\ud150\uc2e4\ub9ac\uce74<\/strong><strong>(Cadence Tensilica) DSP<\/strong><strong>\uc2e0\uc81c\ud488\uc5d0<\/strong> <strong>\ud0d1\uc7ac\ub41c<\/strong> <strong>LC3\/LC3plus <\/strong><strong>\ucf54\ub371\uc740<\/strong> <strong>\ubc30\ud130\ub9ac<\/strong> <strong>\uc218\uba85\uc744<\/strong> <strong>\uc5f0\uc7a5\uc2dc\ud0a4\uace0<\/strong> <strong>\ucc28\uc138\ub300<\/strong> <strong>\ud788\uc5b4\ub7ec\ube14<\/strong><strong>, <\/strong><strong>\uc6e8\uc5b4\ub7ec\ube14<\/strong> <strong>\ubc0f<\/strong> <strong>\uc62c\uc6e8\uc774\uc988\uc628<\/strong><strong>(always-on) <\/strong><strong>\uae30\uae30\uc758<\/strong> <strong>\uc0ac\uc6a9\uc790<\/strong> <strong>\uacbd\ud5d8\uc744<\/strong> <strong>\ud5a5\uc0c1\uc2dc\ucf1c\uc90d\ub2c8\ub2e4<\/strong><strong>.<\/strong><\/h2>\n<p><!--more--><\/p>\n<p>\ucf00\uc774\ub358\uc2a4 \ud150\uc2e4\ub9ac\uce74 HiFi 1 DSP\ub294 \ud601\uc2e0\uc801\uc778 \uc624\ub514\uc624\/\ube44\ub514\uc624 \uae30\uc220\uc744 \ud1b5\ud574 TWS \uc774\uc5b4\ud3f0, \ubcf4\uccad\uae30, \ube14\ub8e8\ud22c\uc2a4 \ud5e4\ub4dc\uc14b, \uc2a4\ub9c8\ud2b8\uc6cc\uce58, \uae30\ud0c0 \uc6e8\uc5b4\ub7ec\ube14 \ub4f1 \uc18c\ud615 \ubc30\ud130\ub9ac \uae30\uae30\uc5d0 \ud55c\uce35 \ud5a5\uc0c1\ub41c \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc2a4\ubab0 \ud3fc \ud329\ud130(small form factor) \ud658\uacbd\uc5d0\uc11c \uc800\uc804\ub825 \uc624\ub514\uc624\/\ube44\ub514\uc624 \uae30\uc220\uc5d0 \ub300\ud55c \ub2c8\uc988\uac00 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c, 2020\ub144 \ube14\ub8e8\ud22c\uc2a4 SIG(Bluetooth Special Interest Group)\uc5d0\uc11c \ud45c\uc900\ud654\ud55c LC3(Low Complexity Communications Codec)\ub97c \ucc44\ud0dd\ud558\ub294 \ud788\uc5b4\ub7ec\ube14 \ubc0f \uc6e8\uc5b4\ub7ec\ube14 \uae30\uae30\uac00 \ub298\uc5b4\ub098\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \ube44\uc811\ucd09 \uc81c\uc5b4\uc5d0 \ub300\ud55c \uc18c\ube44\uc790\uc758 \uc120\ud638\ub294 \uc0c1\uc2dc \ub300\uae30\ud558\uba74\uc11c \uc6e8\uc774\ud06c\uc5c5(wake-up) \uc74c\uc131\uba85\ub839\uc5d0 \ubc18\uc751\ud558\ub294 \uc62c\uc6e8\uc774\uc988\uc628 \uae30\uae30\uc758 \uc218\uc694\ub97c \uacac\uc778\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub4e4 \uae30\uae30\uac00 \uc791\ub3d9\ud558\ub824\uba74 \uc2a4\ubab0 \ud3fc \ud329\ud130\uc640 \ubc30\ud130\ub9ac \uc218\uba85 \ud655\ubcf4\uac00 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<p>\ub9cc\ud504\ub808\ub4dc \ub8e8\uce20\ud0a4(Manfred Lutzky) \ud504\ub77c\uc6b4\ud638\ud37c IIS \ud1b5\uc2e0\uc624\ub514\uc624\ubd80\uc11c \ucd1d\uad04\uc740 \u201c\ud504\ub77c\uc6b4\ud638\ud37c\uac00 \uacf5\ub3d9 \uac1c\ubc1c\ud55c LC3 \ubc0f LC3plus \ucf54\ub371\uc740 \ubc30\ud130\ub9ac\ub85c \uc791\ub3d9\ud558\ub294 \ube14\ub8e8\ud22c\uc2a4 \uae30\uae30\uc758 \uc804\ub825 \uc18c\ubaa8\ub97c \ucd5c\uc18c\ud654\uc2dc\ud0a8\ub2e4. \ud504\ub77c\uc6b4\ud638\ud37c\uc640 \ucf00\uc774\ub358\uc2a4\ub294 \ud150\uc2e4\ub9ac\uce74 HiFi DSP\uc5d0 \ucd5c\uc801\ud654\ub418\uc5b4 \ud0d1\uc7ac\ub41c LC3\/LC3plus\ub97c \ube44\ub86f\ud558\uc5ec \ub2e4\uc591\ud55c \ucf54\ub371 \uc81c\ud488\uc744 \uc81c\ud734\ud574 \uc654\ub2e4\u201d\uace0 \uc804\ud588\uc2b5\ub2c8\ub2e4. \uadf8\ub294 \uc774\uc5b4 \u201c\uc774\ubc88\uc5d0 \ucf00\uc774\ub358\uc2a4\uc5d0\uc11c \uadf8 \ub3d9\uc548\uc758 \uacbd\ud5d8\uc744 \uc0b4\ub824 LC3\/LC3plus\uc758 \uc804\ub825\uacfc \uc0ac\uc774\ud074\uc5d0 \ucd5c\uc801\ud654\ub41c \uc2e0\uc81c\ud488 HiFi 1 DSP\ub97c \uc120\ubcf4\uc774\uac8c \ub41c \uac83\uc744 \uae30\uc058\uac8c \uc0dd\uac01\ud55c\ub2e4. HiFi 1 DSP\ub294 \ucf54\ub371\uc758 \ucd08\uc800\uc804\ub825\uc131\uc744 \ucd5c\ub300\ud55c \ud65c\uc6a9\ud558\uc5ec \uc18c\ud615 \ubc30\ud130\ub9ac\ub85c \uc791\ub3d9\ud558\ub294 \ud788\uc5b4\ub7ec\ube14 \ubc0f \uc6e8\uc5b4\ub7ec\ube14 \uae30\uae30\ub97c \uc9c0\uc6d0\ud558\uace0, LC3\/LC3plus \ucc44\ud0dd\uc744 \uac00\uc18d\ud654\uc2dc\ud0a4\ub294\ub370 \ud06c\uac8c \uae30\uc5ec\ud560 \uac83\uc774\ub2e4\u201d\uace0 \ub367\ubd99\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n<p>HiFi 1 DSP\ub294 \uba54\ubaa8\ub9ac \uc0ac\uc6a9\uc744 \ucd5c\uc18c\ud654\ud568\uacfc \ub3d9\uc2dc\uc5d0 LC3\uc640 \uadf8 \uc678 \ube14\ub8e8\ud22c\uc2a4 \ucf54\ub371\uc5d0 \ub300\ud55c \ucd08\uc800\uc804\ub825 \uc778\ucf54\ub529 \ubc0f \uc7ac\uc0dd, \uc74c\uc131 \uc6e8\uc774\ud06c\uc5c5 \uae30\ub2a5\uc744 \uc704\ud55c \ucd08\uc800\uc804\ub825 \ud575\uc2ec\uc5b4 \uac80\ucd9c\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. HiFi 1 DSP\ub294 \uc624\ub514\uc624 DSP \uc5c5\uacc4\uc5d0\uc11c \uac00\uc7a5 \ub110\ub9ac \uc54c\ub824\uc9c4 HiFi 3 DSP\uc640 \ube44\uad50 \uc2dc \ub2e4\uc74c\uacfc \uac19\uc740 \uac15\uc810\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uba74\uc801 11~16% \uac10\uc18c<\/li>\n<li>\uba38\uc2e0\ub7ec\ub2dd \uae30\ubc18 \u201c\uc624\ucf00\uc774 \uad6c\uae00\u201d \ud575\uc2ec\uc5b4 \uac80\ucd9c \ubc0f \uc0ac\ub78c \uac80\ucd9c \uc571\uc5d0\uc11c \uc0ac\uc774\ud074 \ubc0f \uc804\ub825 \ud6a8\uc728 60~73% \ud5a5\uc0c1<\/li>\n<li>LC3 \ub514\ucf54\ub529 \uc2dc \uc0ac\uc774\ud074 \ud6a8\uc728 18%, \uc804\ub825 \ud6a8\uc728 14% \uc774\uc0c1<\/li>\n<\/ul>\n<p>\ub370\uc774\ube44\ub4dc \uae00\ub77c\uc2a4\ucf54(David Glasco) \ucf00\uc774\ub358\uc2a4 \ud150\uc2e4\ub9ac\uce74 IP \uc5f0\uad6c\uac1c\ubc1c \ubd80\uc0ac\uc7a5\uc740\u00a0 \u201cHiFi DSP\ub294 \ud604 \uc138\ub300 TWS \uc774\uc5b4\ud3f0\uacfc \ube14\ub8e8\ud22c\uc2a4 \ud5e4\ub4dc\uc14b\uc5d0 \ub110\ub9ac \ucc44\ud0dd\ub418\uace0 \uc788\ub2e4\u201d\uace0 \ub9d0\ud558\uba70, \u201cLC3 \uac1c\ubc1c\uc744 \ube44\ub86f\ud55c \uc2dc\uc7a5 \ub3d9\ud5a5\uc740 \ubcf4\ub2e4 \ub098\uc740 \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc744 \uc81c\uacf5\ud558\uace0 \uae34 \ubc30\ud130\ub9ac \uc218\uba85\uc744 \ubcf4\uc7a5\ud558\ub294 \ucc28\uc138\ub300 \ud788\uc5b4\ub7ec\ube14\uc758 \ub4f1\uc7a5\uc744 \uc608\uace0\ud558\uace0 \uc788\ub2e4. \uc74c\uc131 \uc778\uc2dd \uc54c\uace0\ub9ac\uc998\uc5d0 AI\uac00 \ub3c4\uc785\ub428\uc5d0 \ub530\ub77c TWS \uc774\uc5b4\ud3f0\uc758 \ubd84\uc11d \ubc0f \uc74c\uc9c8 \ud5a5\uc0c1\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uacbd\uc6b0\uac00 \ud06c\uac8c \ub298\uace0 \uc788\ub2e4. \uc18c\ud615 HiFi 1 DSP\ub294 \uc804\ub825\uc18c\ubaa8\ub97c \ucd5c\uc18c\ud654\ud558\uba74\uc11c \uc774 \uac19\uc740 \uc774\uc6a9\uc0ac\ub840\ub97c \uc9c0\uc6d0\ud560 \uc218 \uc788\uc73c\uba70, \uadf8\ub3d9\uc548 \ud504\ub9ac\ubbf8\uc5c4 \uc81c\ud488\uc5d0\ub9cc \uc801\uc6a9\ub418\ub358 \uc0c1\uc2dc \ub300\uae30 \uae30\ub2a5\uc744 \ub300\uc911\ud654\uc2dc\ud0ac \uac83\uc774\ub2e4\u201d\uace0 \ub367\ubd99\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n<p>&nbsp;<\/p>\n<p>\ucf00\uc774\ub358\uc2a4 \uc18c\uac1c<\/p>\n<p>\ucf00\uc774\ub358\uc2a4\ub294 \uc804\uc0b0 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ubd84\uc57c\uc5d0\uc11c 30\ub144 \uc774\uc0c1\uc758 \uc804\ubb38\uc131\uc744 \ubcf4\uc720\ud558\uace0 \uc788\ub294 \uc804\uc790 \uc124\uacc4 \uc120\ub450\uae30\uc5c5\uc73c\ub85c \uc9c0\ub2a5\ud615\uc2dc\uc2a4\ud15c\uc124\uacc4 \uc804\ub7b5\uc744 \ubc14\ud0d5\uc73c\ub85c \uc18c\ud504\ud2b8\uc6e8\uc5b4, \ud558\ub4dc\uc6e8\uc5b4, IP \uc81c\ud488 \uad6c\ud604\uc744 \uc9c0\uc6d0\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc8fc\uc694 \uace0\uac1d\uad70\uc740 \uc18c\ube44\uc790 \uac00\uc804, \ud558\uc774\ud37c\uc2a4\ucf00\uc77c \ucef4\ud4e8\ud305, 5G \ud1b5\uc2e0, \uc790\ub3d9\ucc28, \ubaa8\ubc14\uc77c, \ud56d\uacf5\uc6b0\uc8fc, \uc758\ub8cc \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ubc18\ub3c4\uccb4 \uce69, \uae30\ud310, \uc2dc\uc2a4\ud15c \ub4f1 \ucca8\ub2e8 \uc804\uc790\uc81c\ud488\uc744 \uc0dd\uc0b0\ud558\ub294 \ud601\uc2e0\uae30\uc5c5\uc785\ub2c8\ub2e4. \ucf00\uc774\ub358\uc2a4\ub294 \ud3ec\ucd98\uc9c0 \uc120\uc815 \u2018\uc77c\ud558\uae30 \uc88b\uc740 100\ub300 \uae30\uc5c5\u2019\uc5d0 7\ub144 \uc5f0\uc18d \uc120\uc815\ub41c \ubc14 \uc788\uc2b5\ub2c8\ub2e4. \ud68c\uc0ac\uc5d0 \ub300\ud55c \ubcf4\ub2e4 \uc790\uc138\ud55c \uc815\ubcf4\ub294 cadence.com\uc5d0\uc11c \ud655\uc778 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n<p>\ubcf8 \uae30\uc0ac\ub294 \ucf00\uc774\ub358\uc2a4\uc758 \ubcf4\ub3c4\uc790\ub8cc\ub97c \ubc14\ud0d5\uc73c\ub85c \uc791\uc131\ub418\uc5c8\uc2b5\ub2c8\ub2e4<\/p>\n<p><a href=\"https:\/\/www.cadence.com\/en_US\/home\/company\/newsroom\/press-releases\/pr\/2021\/cadence-extends-battery-life-and-improves-user-experience-for-ne.html\">https:\/\/www.cadence.com\/en_US\/home\/company\/newsroom\/press-releases\/pr\/2021\/cadence-extends-battery-life-and-improves-user-experience-for-ne.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ucf00\uc774\ub358\uc2a4 \ud150\uc2e4\ub9ac\uce74(Cadence Tensilica) DSP\uc2e0\uc81c\ud488\uc5d0 \ud0d1\uc7ac\ub41c LC3\/LC3plus \ucf54\ub371\uc740 \ubc30\ud130\ub9ac \uc218\uba85\uc744 \uc5f0\uc7a5\uc2dc\ud0a4\uace0 \ucc28\uc138\ub300 \ud788\uc5b4\ub7ec\ube14, \uc6e8\uc5b4\ub7ec\ube14 \ubc0f \uc62c\uc6e8\uc774\uc988\uc628(always-on) \uae30\uae30\uc758 \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc744 \ud5a5\uc0c1\uc2dc\ucf1c\uc90d\ub2c8\ub2e4.<\/p>\n","protected":false},"author":2,"featured_media":7323,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[483,427],"class_list":["post-8014","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products-technologies-ko","tag-audio-ko","tag-licensing-ko"],"_links":{"self":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/ko\/wp-json\/wp\/v2\/posts\/8014"}],"collection":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/ko\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/ko\/wp-json\/wp\/v2\/comments?post=8014"}],"version-history":[{"count":1,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/ko\/wp-json\/wp\/v2\/posts\/8014\/revisions"}],"predecessor-version":[{"id":8015,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/ko\/wp-json\/wp\/v2\/posts\/8014\/revisions\/8015"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/ko\/wp-json\/wp\/v2\/media\/7323"}],"wp:attachment":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/ko\/wp-json\/wp\/v2\/media?parent=8014"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/ko\/wp-json\/wp\/v2\/categories?post=8014"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/ko\/wp-json\/wp\/v2\/tags?post=8014"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}