{"id":7339,"date":"2022-01-05T10:49:17","date_gmt":"2022-01-05T08:49:17","guid":{"rendered":"https:\/\/websites.fraunhofer.de\/audioblog\/?p=7339"},"modified":"2022-01-05T10:49:17","modified_gmt":"2022-01-05T08:49:17","slug":"tensilica-hifi-1-dsp-lc3-lc3plus","status":"publish","type":"post","link":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/tensilica-hifi-1-dsp-lc3-lc3plus","title":{"rendered":"\u5168\u65b0Tensilica HiFi 1 DSP\u652f\u6301LC3\/LC3plus"},"content":{"rendered":"<p><strong>\u652f\u6301LC3\/LC3plus\u7684\u5168\u65b0Cadence DSP\u52a9\u529b\u65b0\u4e00\u4ee3\u8033\u6234\u5f0f\u8bbe\u5907\u3001\u53ef\u7a7f\u6234\u8bbe\u5907\u548c\u59cb\u7ec8\u5728\u7ebf\u8bbe\u5907\uff0c\u5ef6\u957f\u7535\u6c60\u5bff\u547d\u5e76\u6539\u5584\u7528\u6237\u4f53\u9a8c<\/strong><\/p>\n<p><!--more--><\/p>\n<p>Cadence Tensilica HiFi 1 DSP\u4e3a\u5c0f\u578b\u7535\u6c60\u4f9b\u7535\u8bbe\u5907\u63d0\u4f9b\u7a81\u7834\u6027\u7684\u97f3\u9891\/\u8bed\u97f3\u521b\u65b0\uff08\u5982 TWS \u8033\u585e\u3001\u52a9\u542c\u5668\u3001\u84dd\u7259\u8033\u673a\u3001\u667a\u80fd\u624b\u8868\u548c\u5176\u5b83\u53ef\u7a7f\u6234\u8bbe\u5907\uff09\uff0c\u5927\u5e45\u6539\u5584\u7528\u6237\u4f53\u9a8c\u3002\u4e00\u4e9b\u878d\u5408\u8d8b\u52bf\u6b63\u5728\u63a8\u52a8\u5e02\u573a\u5bf9\u4e8e\u5c0f\u5c3a\u5bf8\u3001\u4f4e\u80fd\u8017\u97f3\u9891\/\u8bed\u97f3\u529f\u80fd\u7684\u9700\u6c42\u3002\u8d8a\u6765\u8d8a\u591a\u7684\u8033\u6234\u5f0f\u8bbe\u5907\u548c\u53ef\u7a7f\u6234\u8bbe\u5907\u6b63\u5728\u91c7\u7528\u84dd\u7259\u6280\u672f\u8054\u76df\uff08SIG\uff09\u5728 2020 \u5e74\u6807\u51c6\u5316\u7684\u4f4e\u590d\u6742\u6027\u901a\u4fe1\u7f16\u89e3\u7801\u5668\uff08Low Complexity Communication Codec\uff0c\u7b80\u79f0 LC3\uff09\u3002\u6b64\u5916\uff0c\u6d88\u8d39\u8005\u5bf9\u514d\u63d0\u548c\u514d\u89e6\u6478\u63a7\u5236\u7684\u504f\u597d\u9700\u6c42\uff0c\u6b63\u5728\u63a8\u52a8\u5bf9\u4e8e\u59cb\u7ec8\u5728\u7ebf\uff08Always-on\uff09\u6216\u59cb\u7ec8\u76d1\u542c\uff08Always-listening\uff09\u8bbe\u5907\u7684\u9700\u6c42\uff0c\u8fd9\u4e9b\u8bbe\u5907\u53ef\u4ee5\u54cd\u5e94\u8bed\u97f3\u5524\u9192\u547d\u4ee4\uff0c\u4e00\u4e9b\u5bb6\u7528\u7535\u5668\u751a\u81f3\u4e5f\u6b63\u5728\u91c7\u7528\u8fd9\u4e9b\u529f\u80fd\u3002\u5f52\u6839\u7ed3\u5e95\uff0c\u4e3a\u4e86\u652f\u6301\u8fd9\u4e9b\u8bbe\u5907\u548c\u5e94\u7528\uff0c\u5c0f\u5c3a\u5bf8\u548c\u66f4\u957f\u7684\u7535\u6c60\u5bff\u547d\u662f\u5176\u4e2d\u7684\u5173\u952e\u3002\u201c<\/p>\n<p>\u201cFraunhofer \u4e0e\u5176\u4ed6\u4f01\u4e1a\u8054\u5408\u5f00\u53d1\u7684\u4f4e\u590d\u6742\u6027\u901a\u4fe1\u7f16\u89e3\u7801\u5668\uff08LC3 \u548c LC3plus\uff09\u6709\u52a9\u4e8e\u5c06\u53d7\u7535\u6c60\u9650\u5236\u7684\u84dd\u7259\u8bbe\u5907\u7684\u80fd\u8017\u964d\u5230\u6700\u4f4e\u3002Fraunhofer \u548c Cadence \u5728\u5305\u62ec LC3\/LC3plus \u5728\u5185\u7684\u5404\u79cd\u7f16\u89e3\u7801\u5668\u65b9\u9762\u6709\u7740\u60a0\u4e45\u7684\u5408\u4f5c\u5386\u53f2\uff0cCadence \u5df2\u7ecf\u5728\u5176 Tensilica HiFi DSP \u4e0a\u8fdb\u884c\u4e86\u4f18\u5316\uff0c\u201d Fraunhofer IIS \u901a\u4fe1\u97f3\u9891\u90e8\u4e3b\u7ba1 Manfred Lutzky \u8868\u793a\uff0c\u201c\u6211\u4eec\u5f88\u9ad8\u5174\u770b\u5230 Cadence \u5728\u8fc7\u53bb\u6210\u529f\u7684\u7ecf\u9a8c\u57fa\u7840\u4e0a\u63a8\u51fa\u4e86\u5168\u65b0 HiFi 1 DSP\uff0c\u8be5\u4ea7\u54c1\u9488\u5bf9 LC3 \u548c LC3plus \u8fdb\u884c\u4e86\u8fd0\u7b97\u6027\u80fd\u548c\u529f\u8017\u6548\u7387\u7684\u4f18\u5316\u3002HiFi 1 DSP \u8ba9\u7f16\u89e3\u7801\u5668\u8fbe\u5230\u4e86\u524d\u6240\u672a\u6709\u7684\u8d85\u4f4e\u80fd\u8017\u6c34\u5e73\uff0c\u8fd9\u5bf9\u5c0f\u5c3a\u5bf8\u3001\u7535\u6c60\u4f9b\u7535\u7684\u8033\u6234\u5f0f\u8bbe\u5907\u548c\u53ef\u7a7f\u6234\u8bbe\u5907\u6765\u8bf4\u662f\u4e2a\u597d\u6d88\u606f\uff0c\u540c\u65f6\u6709\u52a9\u4e8e\u52a0\u901f LC3 \u548c LC3plus \u7684\u5e7f\u6cdb\u91c7\u7528\u3002\u201d<\/p>\n<p>HiFi 1 DSP \u4e3a LC3 \u548c\u5176\u4ed6\u84dd\u7259\u7f16\u89e3\u7801\u5668\u63d0\u4f9b\u8d85\u4f4e\u80fd\u8017\u7f16\u7801\u548c\u64ad\u653e\uff0c\u4ee5\u53ca\u7528\u4e8e\u8bed\u97f3\u5524\u9192\u7684\u8d85\u4f4e\u80fd\u8017\u5173\u952e\u8bcd\u4fa6\u542c\uff0c\u6240\u6709\u8fd9\u4e9b\u529f\u80fd\u90fd\u96c6\u6210\u5728\u5c3a\u5bf8\u8d85\u5c0f\u7684 HiFi DSP \u4e2d\u3002\u4e0e HiFi 3 DSP\uff08\u4e1a\u754c\u6700\u53d7\u6b22\u8fce\u7684\u76ee\u6807\u5e94\u7528\u97f3\u9891 DSP\uff09\u76f8\u6bd4\uff0cHiFi 1 DSP \u7684\u4f18\u52bf\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5c3a\u5bf8\u51cf\u5c11 11% \u81f3 16%<\/li>\n<li>\u5728\u57fa\u4e8e\u673a\u5668\u5b66\u4e60\u7684\u201cOK Google\u201d\u5173\u952e\u8bcd\u4fa6\u542c\u548c\u4eba\u5458\u63a2\u6d4b\u5e94\u7528\u4e2d\uff0c\u8fd0\u7b97\u6027\u80fd\u548c\u529f\u8017\u6548\u7387\u63d0\u9ad8 60% &#8211; 73%<\/li>\n<li>\u5bf9 LC3 \u89e3\u7801\u6765\u8bf4\uff0c\u8fd0\u7b97\u6027\u80fd\u63d0\u9ad8 18% \u4ee5\u4e0a\uff0c\u529f\u8017\u6548\u7387\u63d0\u9ad8 14% \u4ee5\u4e0a<\/li>\n<\/ul>\n<p>\u201cHiFi DSP \u5728\u5f53\u524d\u4e00\u4ee3 TWS \u8033\u585e\u548c\u84dd\u7259\u8033\u673a\u4e2d\u5f97\u5230\u5e7f\u6cdb\u91c7\u7528\uff0c\u201dCadence \u516c\u53f8 Tensilica IP \u7814\u53d1\u526f\u603b\u88c1 David Glasco \u8868\u793a\uff0c\u201cLC3 \u7684\u95ee\u4e16\u548c\u66f4\u5e7f\u6cdb\u7684\u5e02\u573a\u8d8b\u52bf\u4e3a\u65b0\u4e00\u4ee3\u8033\u6234\u5f0f\u8bbe\u5907\u521b\u9020\u4e86\u6761\u4ef6\uff0c\u6709\u673a\u4f1a\u5b9e\u73b0\u5353\u8d8a\u7684\u7528\u6237\u4f53\u9a8c\u548c\u66f4\u957f\u7684\u7535\u6c60\u5bff\u547d\u3002\u968f\u7740\u8bb8\u591a\u8bed\u97f3\u7b97\u6cd5\u7eb7\u7eb7\u91c7\u7528 AI\uff0c\u6211\u4eec\u4e5f\u770b\u5230 TWS \u8033\u673a\u4e2d\u5206\u6790\u548c\u589e\u5f3a\u97f3\u8d28\u7684\u7528\u4f8b\u5728\u5927\u5e45\u6269\u5c55\u3002\u7d27\u51d1\u7684 HiFi 1 DSP \u4ee5\u8d85\u4f4e\u7684\u80fd\u8017\u652f\u6301\u8fd9\u4e9b\u65b0\u7684\u4f7f\u7528\u6848\u4f8b\uff0c\u4e3a\u5927\u4f17\u5e02\u573a\u5e26\u6765\u4e86\u59cb\u7ec8\u5728\u7ebf\u548c\u59cb\u7ec8\u76d1\u542c\u7684\u529f\u80fd\uff0c\u800c\u8fd9\u4e9b\u529f\u80fd\u5728\u4ee5\u524d\u53ea\u6709\u9ad8\u9636\u4ea7\u54c1\u624d\u80fd\u63d0\u4f9b\u3002\u201d<\/p>\n<p>&nbsp;<\/p>\n<p>\u5173\u4e8eCadence<\/p>\n<p>Cadence \u5728\u8ba1\u7b97\u8f6f\u4ef6\u9886\u57df\u62e5\u6709\u8d85\u8fc7 30 \u5e74\u7684\u4e13\u4e1a\u7ecf\u9a8c\uff0c\u662f\u7535\u5b50\u8bbe\u8ba1\u4ea7\u4e1a\u7684\u5173\u952e\u9886\u5bfc\u8005\u3002\u57fa\u4e8e\u516c\u53f8\u7684\u667a\u80fd\u7cfb\u7edf\u8bbe\u8ba1\u6218\u7565\uff0cCadence \u81f4\u529b\u4e8e\u63d0\u4f9b\u8f6f\u4ef6\u3001\u786c\u4ef6\u548c IP \u4ea7\u54c1\uff0c\u52a9\u529b\u7535\u5b50\u8bbe\u8ba1\u6982\u5ff5\u6210\u4e3a\u73b0\u5b9e\u3002Cadence \u7684\u5ba2\u6237\u904d\u5e03\u5168\u7403\uff0c\u7686\u4e3a\u6700\u5177\u521b\u65b0\u80fd\u529b\u7684\u4f01\u4e1a\uff0c\u4ed6\u4eec\u5411\u6d88\u8d39\u7535\u5b50\u3001\u8d85\u5927\u89c4\u6a21\u8ba1\u7b97\u30015G \u901a\u8baf\u3001\u6c7d\u8f66\u3001\u79fb\u52a8\u3001\u822a\u7a7a\u3001\u5de5\u4e1a\u548c\u533b\u7597\u7b49\u6700\u5177\u6d3b\u529b\u7684\u5e94\u7528\u5e02\u573a\u4ea4\u4ed8\u4ece\u82af\u7247\u3001\u7535\u8def\u677f\u5230\u7cfb\u7edf\u7684\u5353\u8d8a\u7535\u5b50\u4ea7\u54c1\u3002Cadence \u5df2\u8fde\u7eed\u4e03\u5e74\u540d\u5217\u7f8e\u56fd\u8d22\u5bcc\u6742\u5fd7\u8bc4\u9009\u7684 100 \u5bb6\u6700\u9002\u5408\u5de5\u4f5c\u7684\u516c\u53f8\u3002\u5982\u9700\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee\u516c\u53f8\u7f51\u7ad9 cadence.com\u3002<\/p>\n<p>\u672c\u6587\u8282\u9009\u81eaCadence\u65b0\u95fb\u7a3f\uff1a<\/p>\n<p>https:\/\/www.cadence.com\/en_US\/home\/company\/newsroom\/press-releases\/pr\/2021\/cadence-extends-battery-life-and-improves-user-experience-for-ne.html<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u652f\u6301LC3\/LC3plus\u7684\u5168\u65b0Cadence DSP\u52a9\u529b\u65b0\u4e00\u4ee3\u8033\u6234\u5f0f\u8bbe\u5907\u3001\u53ef\u7a7f\u6234\u8bbe\u5907\u548c\u59cb\u7ec8\u5728\u7ebf\u8bbe\u5907\uff0c\u5ef6\u957f\u7535\u6c60 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":7321,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[154],"tags":[482,436],"class_list":["post-7339","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products-technologies-cn","tag-audio-cn","tag-licensing-cn"],"_links":{"self":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/posts\/7339"}],"collection":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/comments?post=7339"}],"version-history":[{"count":1,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/posts\/7339\/revisions"}],"predecessor-version":[{"id":7340,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/posts\/7339\/revisions\/7340"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/media\/7321"}],"wp:attachment":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/media?parent=7339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/categories?post=7339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/tags?post=7339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}