{"id":7430,"date":"2023-02-21T08:36:17","date_gmt":"2023-02-21T05:06:17","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/recover-background-audio-with-librosa-and-saving-it-with-soundfile-4m71\/"},"modified":"2023-02-21T08:36:17","modified_gmt":"2023-02-21T05:06:17","slug":"recover-background-audio-with-librosa-and-saving-it-with-soundfile-4m71","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/recover-background-audio-with-librosa-and-saving-it-with-soundfile-4m71\/","title":{"rendered":"\u0635\u062f\u0627\u06cc \u067e\u0633 \u0632\u0645\u06cc\u0646\u0647 \u0631\u0627 \u0628\u0627 librosa \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0627 \u0641\u0627\u06cc\u0644 \u0635\u0648\u062a\u06cc \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u06cc\u062f"},"content":{"rendered":"
\n

\u062f\u0631 \u0645\u0642\u0627\u0644\u0647 \u0642\u0628\u0644\u06cc \u0645\u0646 \u0622\u0648\u0627\u0632 \u0631\u0627 \u0627\u0632 \u0633\u0627\u0632 \u062c\u062f\u0627 \u06a9\u0631\u062f\u0645 \u0627\u0645\u0627 \u0622\u0646 \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0646\u06a9\u0631\u062f\u0645. \u0647\u062f\u0641 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0630\u062e\u06cc\u0631\u0647 \u0635\u062f\u0627 \u0627\u0632 IPython.Audio<\/code> \u06a9\u0647 \u062f\u0631 IPython<\/code>. \u0637\u06cc\u0641 \u06a9\u0627\u0645\u0644\u060c \u0637\u06cc\u0641 \u067e\u06cc\u0634 \u0632\u0645\u06cc\u0646\u0647 \u0648 \u0637\u06cc\u0641 \u067e\u0633 \u0632\u0645\u06cc\u0646\u0647 \u0645\u0642\u0627\u0644\u0647 \u0642\u0628\u0644\u06cc \u0645\u0646 \u0628\u0647 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u0628\u0648\u062f: \"\u0637\u06cc\u0641<\/p>\n

\u0647\u062f\u0641 \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0647 \u062e\u0648\u062f\u0645 \u0631\u0627 \u0628\u0647 \u0622\u0646 \u06af\u0631\u0647 \u0632\u062f\u0645 \u067e\u062e\u0634 \u0635\u062f\u0627 \u0627\u0632 \u0633\u0627\u0632\u0647\u0627 \u0628\u0648\u062f \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0646\u06cc\u0632 \u0646\u0634\u0627\u0646 \u062e\u0648\u0627\u0647\u0645 \u062f\u0627\u062f.<\/p>\n

\u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0635\u062f\u0627 \u0627\u0632 soundfile<\/code>‘s write()<\/code> \u0639\u0645\u0644\u06a9\u0631\u062f \u0648 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0635\u0648\u062a\u06cc\u060c \u0646\u0631\u062e \u0646\u0645\u0648\u0646\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u0648 \u0630\u062e\u06cc\u0631\u0647 \u0622\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 .wav<\/code><\/p>\n

\n
import<\/span> soundfile<\/span> as<\/span> sf<\/span>\n\nsf<\/span>.<\/span>write<\/span>(<\/span>'Instruments.wav'<\/span>,<\/span> x_background<\/span>,<\/span> sr<\/span>,<\/span> subtype<\/span>=<\/span>'PCM_24'<\/span>)<\/span>\ny<\/span>,<\/span> sr<\/span> =<\/span> librosa<\/span>.<\/span>load<\/span>(<\/span>'Instruments.wav'<\/span>)<\/span>\nipd<\/span>.<\/span>Audio<\/span>(<\/span>'Instruments.wav'<\/span>)<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u062f\u0631 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0635\u062f\u0627\u06cc \u067e\u0633\u200c\u0632\u0645\u06cc\u0646\u0647 \u06cc\u0627 \u0635\u062f\u0627\u06cc \u0627\u0628\u0632\u0627\u0631 \u0627\u0632 \u0637\u06cc\u0641 \u067e\u0648\u0634\u0627\u0646\u062f\u0647 \u0634\u062f\u0647\u060c \u0645\u0627 \u0641\u0642\u0637 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 istft()<\/code> \u062a\u0627\u0628\u0639 \u0627\u0632 librosa<\/code>.<\/p>\n
\n
# Recover the background audio from the masked spectrogram\n<\/span>x_background<\/span> =<\/span> librosa<\/span>.<\/span>istft<\/span>(<\/span>S_background<\/span> *<\/span> phase<\/span>)<\/span>\n# playback audio\n<\/span>ipd<\/span>.<\/span>Audio<\/span>(<\/span>data<\/span>=<\/span>x_background<\/span>[<\/span>90<\/span>*<\/span>sr<\/span>:<\/span>110<\/span>*<\/span>sr<\/span>],<\/span> rate<\/span>=<\/span>sr<\/span>)<\/span>\n<\/code><\/pre>\n
\n
\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u062e\u0648\u062f\u0634\u0647.<\/p>\n
\u0628\u0631\u0627\u06cc \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u062f \u0627\u0632 \u0646\u0648\u062a \u0628\u0648\u06a9 Jupyter \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0631\u0648\u06cc\u062f<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"
\u062f\u0631 \u0645\u0642\u0627\u0644\u0647 \u0642\u0628\u0644\u06cc \u0645\u0646 \u0622\u0648\u0627\u0632 \u0631\u0627 \u0627\u0632 \u0633\u0627\u0632 \u062c\u062f\u0627 \u06a9\u0631\u062f\u0645 \u0627\u0645\u0627 \u0622\u0646 \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0646\u06a9\u0631\u062f\u0645. \u0647\u062f\u0641 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0630\u062e\u06cc\u0631\u0647 \u0635\u062f\u0627 \u0627\u0632 IPython.Audio \u06a9\u0647 \u062f\u0631 IPython. \u0637\u06cc\u0641 \u06a9\u0627\u0645\u0644\u060c \u0637\u06cc\u0641 \u067e\u06cc\u0634 \u0632\u0645\u06cc\u0646\u0647 \u0648 \u0637\u06cc\u0641 \u067e\u0633 \u0632\u0645\u06cc\u0646\u0647 \u0645\u0642\u0627\u0644\u0647 \u0642\u0628\u0644\u06cc \u0645\u0646 \u0628\u0647 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u0628\u0648\u062f: \u0647\u062f\u0641 \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0647 \u062e\u0648\u062f\u0645 \u0631\u0627 \u0628\u0647 \u0622\u0646 \u06af\u0631\u0647 \u0632\u062f\u0645 \u067e\u062e\u0634 \u0635\u062f\u0627 \u0627\u0632 \u0633\u0627\u0632\u0647\u0627 \u0628\u0648\u062f …<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-7430","post","type-post","status-publish","format-standard","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/7430","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=7430"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/7430\/revisions"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=7430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=7430"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=7430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}