{"id":420,"date":"2019-01-29T13:25:24","date_gmt":"2019-01-29T05:25:24","guid":{"rendered":"https:\/\/www.sumju.net\/?p=420"},"modified":"2019-01-29T13:25:24","modified_gmt":"2019-01-29T05:25:24","slug":"%e9%85%8d%e7%bd%ae%e6%a8%b9%e8%8e%93%e6%b4%be-linux%e9%bb%98%e8%aa%8d%e8%81%b2%e5%8d%a1%e8%a8%ad%e5%82%99","status":"publish","type":"post","link":"https:\/\/sumju.net\/?p=420","title":{"rendered":"\u914d\u7f6e\u6a39\u8393\u6d3e\/Linux\u9ed8\u8a8d\u8072\u5361\u8a2d\u5099"},"content":{"rendered":"

1.\u8a2d\u7f6e\u9ed8\u8a8d\u8072\u5361\u70baUSB\u8072\u5361<\/h2>\n
\u5728$HOME\u4e0b\u65b0\u5efa.asoundrc<\/code>\n$cd $HOME<\/code>\n$nano .asoundrc<\/code>\n\u8f38\u5165\u4ee5\u4e0b\u5167\u5bb9<\/code>\ndefaults.ctl.card 1<\/code>\ndefaults.pcm.card 1<\/code>\n\u6700\u5f8c\u76841\u662fUSB\u8072\u5361\u7684\u7de8\u865f\uff0c\u53ef\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b<\/code>\n$aplay -l<\/code>\n\u6216<\/code>\n$cat \/proc\/asound\/cards<\/code>\n\u7136\u5f8c\u91cd\u555f\u4e00\u4e0balsa\u5c31\u628a1\u865f\u8072\u5361(usb\u8072\u5361)\u8a2d\u7f6e\u6210\u9ed8\u8a8d\u8072\u5361\u4e86\u3002<\/code>\n\u6e2c\u8a66\u9304\u97f3<\/code>\n$arecord -d 10 test.wav<\/code>\n\u6e2c\u8a66\u64ad\u97f3<\/code>\n$aplay test.wav<\/code><\/pre>\n
2.\u64ad\u97f3\u548c\u9304\u97f3\u70ba\u4e0d\u540c\u8072\u5361\u6642\uff0c\u53ef\u4ee5\u53c3\u8003\u4ee5\u4e0b\u914d\u7f6e\uff0c\u4fee\u6539~\/.asoundrc<\/h2>\n
pcm.!default {<\/code>\n    type asym<\/code>\n    playback.pcm {<\/code>\n        type plug<\/code>\n        slave.pcm \"hw:0,0\"<\/code>\n    }<\/code>\n    capture.pcm {<\/code>\n        type plug<\/code>\n        slave.pcm \"hw:1,0\"<\/code>\n}<\/code>\n\u5176\u4e2d\uff0chw:1,0\u8868\u793acard 1 device 0<\/code><\/pre>\n
3.\u8abf\u7bc0\u8072\u5361\u97f3\u91cf<\/h2>\n
\u6253\u958b\u7d42\u7aef\uff0c\u8f38\u5165<\/code>\n$alsamixer<\/code>\n\u5373\u53ef\u8abf\u7bc0\u97f3\u91cf<\/code>\n\u6309 f6 \u6703\u51fa\u73fe\u8072\u5361\u5217\u8868<\/code>\n\u4e00\u822c\u4f86\u8aac\uff0cusb \u8072\u5361\u7e3d\u662f\u7b2c\u4e8c\u4f4d\u7684\uff0c\u8072\u5361\u7de8\u865f\u662f1(\u9ed8\u8a8d\u8072\u5361\u662f0)<\/code><\/pre>\n
4.\u6e2c\u8a66\u6307\u5b9a\u8072\u5361<\/h2>\n
arecord -D \"plughw:5,0\" -d 3 temp.wav<\/code>\naplay -D \"plughw:1,0\" temp.wav<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
1.\u8a2d\u7f6e\u9ed8\u8a8d\u8072\u5361\u70baUSB\u8072\u5361 \u5728$HOME\u4e0b\u65b0\u5efa.asoundrc $cd $HOME $nano … \u7ee7\u7eed\u9605\u8bfb \u914d\u7f6e\u6a39\u8393\u6d3e\/Linux\u9ed8\u8a8d\u8072\u5361\u8a2d\u5099<\/span><\/i><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[14,16],"tags":[],"class_list":{"0":"post-420","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-linux","7":"category-raspberry-pi","8":"h-entry","10":"h-as-article"},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/sumju.net\/index.php?rest_route=\/wp\/v2\/posts\/420","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sumju.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sumju.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sumju.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sumju.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=420"}],"version-history":[{"count":0,"href":"https:\/\/sumju.net\/index.php?rest_route=\/wp\/v2\/posts\/420\/revisions"}],"wp:attachment":[{"href":"https:\/\/sumju.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sumju.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sumju.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}