{"id":23,"date":"2012-09-28T15:31:18","date_gmt":"2012-09-28T07:31:18","guid":{"rendered":"http:\/\/blog.sorayuki.net\/?p=23"},"modified":"2012-10-13T22:41:50","modified_gmt":"2012-10-13T14:41:50","slug":"speex%e9%87%8c%e6%8f%90%e4%be%9b%e7%9a%84resample%e4%bb%a3%e7%a0%81","status":"publish","type":"post","link":"https:\/\/blog.sorayuki.net\/?p=23","title":{"rendered":"speex\u91cc\u63d0\u4f9b\u7684resample\u4ee3\u7801"},"content":{"rendered":"<p>\u4e4b\u524d\u4e0d\u662f\u505a\u4e86\u4e2a\u4e1c\u65b9\u6e38\u620f\u7684\u97f3\u4e50ogg vorbis\u5316\u7684\u5de5\u5177\u5417\uff0c\u73b0\u5728xiph\u53c8\u51fa\u4e86\u4e00\u4e2a\u65b0\u7684\u7f16\u7801\u53eb\u505aopus\uff0c\u4e8e\u662f\u60f3\u8bd5\u8bd5\u3002\u4e0d\u8fc7\u5b83\u539f\u751f\u652f\u6301\u7684\u662f48kHz\u91c7\u6837\u7387\uff0c\u6ca1\u670944.1kHz\u3002\u770b\u5b98\u65b9\u7684\u8bf4\u660e\uff0c\u662f\u63a8\u8350\u5728\u9700\u8981\u7684\u65f6\u5019resample\u800c\u4e0d\u662f\u66f4\u6539\u4ee3\u7801\u8ba9\u5b83\u652f\u630144.1kHz\u3002<\/p>\n<p>\u672c\u4eba\u5bf9resample\u7b97\u6cd5\u53c8\u6ca1\u6709\u7814\u7a76\uff0c\u81ea\u7136\u7b2c\u4e00\u4e2a\u60f3\u5230\u7684\u662f\u53bb\u627e\u73b0\u6210\u7684\u4ee3\u7801\u3002\u7f51\u4e0a\u641c\u7d22\u4e86\u4e00\u4e0b\uff0cgpl\u554algpl\u534f\u8bae\u4e0b\u7684\u4ee3\u7801\u5012\u662f\u4e0d\u5c11\uff0c\u8fd9\u4e9b\u534f\u8bae\u90fd\u5bf9\u79c1\u6709\u8f6f\u4ef6\u4e0d\u592a\u53cb\u597d\u3002\u4ee5\u540e\u4e07\u4e00\u8981\u505a\u79c1\u6709\u8f6f\u4ef6\u7684\u8bdd\u8fd9\u4e9b\u5e93\u5c31\u4e0d\u80fd\u7528\u4e86\u3002<\/p>\n<p>\u4e8e\u662f\u60f3\u7740\u627e\u4e2a\u534f\u8bae\u5bbd\u677e\u4e00\u70b9\u7684\u5427\uff0c\u7f51\u4e0a\u770b\u5230\u6709\u4eba\u63a8\u8350speex\u91cc\u9762\u7684resample\u3002\u627e\u662f\u627e\u6765\u4e86\u4e0d\u8fc7\u4e00\u5f00\u59cb\u600e\u4e48\u6837\u5c31\u662f\u7f16\u8bd1\u4e0d\u8fc7\u53bb\u3002\u7136\u540e\u770b\u5230\u6709\u4eba\u8bf4opus_tools\u90a3\u4e00\u5305\u4ee3\u7801\u91cc\u9762\u4e5f\u5305\u542b\u4e86\u8fd9\u4e2aresample\uff0c\u6240\u4ee5\u53bb\u53c2\u8003\u4e86\u4e00\u4e0b\u90a3\u8fb9\u662f\u600e\u4e48\u8c03\u7528\u7684\u3002<!--more--><\/p>\n<p>\u6700\u540e\u5f97\u51fa\u7684\u7ed3\u8bba\u662f\u8981\u5b9a\u4e49\u8fd9\u4e9b\u5b8f\uff1a<\/p>\n<blockquote>\n<pre>#define OUTSIDE_SPEEX\r\n#define RANDOM_PREFIX\u00a0\u8fd9\u91cc\u586b\u5165\u4f60\u81ea\u5df1\u7684\u4e00\u4e9b\u5b57\u7b26\r\n#define HAVE_GETOPT_H 1\r\n#define FLOATING_POINT 1\r\n#define USE_ALLOCA 1\r\n#define SPX_RESAMPLE_EXPORT<\/pre>\n<\/blockquote>\n<p>\u7136\u540e\u9700\u8981\u7684\u6587\u4ef6\u6709<\/p>\n<blockquote><p>arch.h<br \/>\nresample.c<br \/>\nspeex_resampler.h<br \/>\nstack_alloc.h<\/p><\/blockquote>\n<p>\u55ef\uff0c\u633a\u597d\uff0cbsd\u534f\u8bae\uff0c\u53ef\u4ee5\u4e0d\u5f00\u6e90\u7684\u60c5\u51b5\u4e0b\u9759\u6001\u94fe\u63a5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e4b\u524d\u4e0d\u662f\u505a\u4e86\u4e2a\u4e1c\u65b9\u6e38\u620f\u7684\u97f3\u4e50ogg vorbis\u5316\u7684\u5de5\u5177\u5417\uff0c\u73b0\u5728xiph\u53c8\u51fa\u4e86\u4e00\u4e2a\u65b0\u7684\u7f16\u7801\u53eb\u505aopus\uff0c\u4e8e\u662f\u60f3 &hellip; <a href=\"https:\/\/blog.sorayuki.net\/?p=23\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">speex\u91cc\u63d0\u4f9b\u7684resample\u4ee3\u7801<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-23","post","type-post","status-publish","format-standard","hentry","category-6"],"_links":{"self":[{"href":"https:\/\/blog.sorayuki.net\/index.php?rest_route=\/wp\/v2\/posts\/23","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.sorayuki.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.sorayuki.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.sorayuki.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.sorayuki.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=23"}],"version-history":[{"count":0,"href":"https:\/\/blog.sorayuki.net\/index.php?rest_route=\/wp\/v2\/posts\/23\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.sorayuki.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=23"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.sorayuki.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=23"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.sorayuki.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=23"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}