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u002F2.features\u002F2.audio-capture.md",{"type":301,"value":302,"toc":1219},"minimark",[303,307,314,317,322,330,362,367,379,381,385,390,452,456,590,592,596,599,603,675,686,690,693,710,716,718,721,724,794,799,810,812,816,819,822,833,837,840,854,856,859,863,866,880,883,887,890,901,908,912,915,926,930,933,944,946,950,954,957,1003,1007,1010,1021,1025,1028,1039,1041,1044,1048,1094,1098,1134,1138,1144,1155,1166,1168,1172],[304,305,306],"p",{},"FlowPick automatically detects audio content on webpages, supporting common streaming formats (HLS\u002FDASH) and direct audio files. Audio resources are displayed in a dedicated tab in the popup window for easy filtering and download.",[304,308,309],{},[310,311],"img",{"alt":312,"src":313},"Audio Detection Results","\u002Fscreenshots\u002Faudio-detection.png",[315,316],"hr",{},[318,319,321],"h2",{"id":320},"detection-principles","Detection Principles",[304,323,324,325,329],{},"Audio detection uses the same ",[326,327,328],"code",{},"webRequest"," API as video detection:",[331,332,333],"steps",{},[334,335,336,344,350,356],"ol",{},[337,338,339,343],"li",{},[340,341,342],"strong",{},"Request Monitoring",": Extension intercepts all network requests, identifies audio resources based on Content-Type",[337,345,346,349],{},[340,347,348],{},"Manifest Parsing",": For HLS\u002FDASH streams, parses manifest to extract audio track info",[337,351,352,355],{},[340,353,354],{},"Metadata Extraction",": Extracts basic metadata from response headers (file size, format, etc.)",[337,357,358,361],{},[340,359,360],{},"Resource Display",": Detected audios are listed under the dedicated \"Audio\" tab",[304,363,364],{},[340,365,366],{},"Detection Timing:",[368,369,370,373,376],"ul",{},[337,371,372],{},"After extension installation, need to refresh target page before detection can begin",[337,374,375],{},"Audio usually loads when user clicks play; recommend playing for a few seconds before opening extension",[337,377,378],{},"Some websites use lazy loading; need to trigger playback before audio can be detected",[315,380],{},[318,382,384],{"id":383},"supported-audio-formats","Supported Audio Formats",[386,387,389],"h3",{"id":388},"streaming-protocols","Streaming Protocols",[391,392,393,412],"table",{},[394,395,396],"thead",{},[397,398,399,403,406,409],"tr",{},[400,401,402],"th",{},"Protocol",[400,404,405],{},"Manifest File",[400,407,408],{},"Content-Type",[400,410,411],{},"Description",[413,414,415,434],"tbody",{},[397,416,417,421,426,431],{},[418,419,420],"td",{},"HLS",[418,422,423],{},[326,424,425],{},".m3u8",[418,427,428],{},[326,429,430],{},"application\u002Fx-mpegurl",[418,432,433],{},"HLS audio stream",[397,435,436,439,444,449],{},[418,437,438],{},"DASH",[418,440,441],{},[326,442,443],{},".mpd",[418,445,446],{},[326,447,448],{},"application\u002Fdash+xml",[418,450,451],{},"DASH audio stream",[386,453,455],{"id":454},"direct-audio-files","Direct Audio Files",[391,457,458,469],{},[394,459,460],{},[397,461,462,464,467],{},[400,463,408],{},[400,465,466],{},"Extension",[400,468,411],{},[413,470,471,486,501,516,531,546,561,576],{},[397,472,473,478,483],{},[418,474,475],{},[326,476,477],{},"audio\u002Fmpeg",[418,479,480],{},[326,481,482],{},".mp3",[418,484,485],{},"Most universal audio format",[397,487,488,493,498],{},[418,489,490],{},[326,491,492],{},"audio\u002Fmp4",[418,494,495],{},[326,496,497],{},".m4a",[418,499,500],{},"AAC container",[397,502,503,508,513],{},[418,504,505],{},[326,506,507],{},"audio\u002Fwebm",[418,509,510],{},[326,511,512],{},".weba",[418,514,515],{},"WebM audio",[397,517,518,523,528],{},[418,519,520],{},[326,521,522],{},"audio\u002Fogg",[418,524,525],{},[326,526,527],{},".ogg",[418,529,530],{},"Ogg Vorbis",[397,532,533,538,543],{},[418,534,535],{},[326,536,537],{},"audio\u002Fwav",[418,539,540],{},[326,541,542],{},".wav",[418,544,545],{},"Uncompressed WAV",[397,547,548,553,558],{},[418,549,550],{},[326,551,552],{},"audio\u002Fflac",[418,554,555],{},[326,556,557],{},".flac",[418,559,560],{},"Lossless FLAC",[397,562,563,568,573],{},[418,564,565],{},[326,566,567],{},"audio\u002Faac",[418,569,570],{},[326,571,572],{},".aac",[418,574,575],{},"Pure AAC",[397,577,578,583,587],{},[418,579,580],{},[326,581,582],{},"audio\u002Fx-m4a",[418,584,585],{},[326,586,497],{},[418,588,589],{},"iTunes audio",[315,591],{},[318,593,595],{"id":594},"podcast-detection","Podcast Detection",[304,597,598],{},"Podcast platforms typically use standard audio formats (MP3\u002FAAC), making them easy to detect with FlowPick.",[386,600,602],{"id":601},"podcast-platform-support","Podcast Platform Support",[391,604,605,618],{},[394,606,607],{},[397,608,609,612,615],{},[400,610,611],{},"Platform",[400,613,614],{},"Format",[400,616,617],{},"Notes",[413,619,620,631,642,653,664],{},[397,621,622,625,628],{},[418,623,624],{},"Apple Podcasts",[418,626,627],{},"MP3\u002FM4A",[418,629,630],{},"Standard RSS feed",[397,632,633,636,639],{},[418,634,635],{},"Spotify",[418,637,638],{},"Encrypted",[418,640,641],{},"May not be directly detectable",[397,643,644,647,650],{},[418,645,646],{},"Google Podcasts",[418,648,649],{},"MP3",[418,651,652],{},"Standard format",[397,654,655,658,661],{},[418,656,657],{},"Independent Podcasts",[418,659,660],{},"MP3\u002FAAC",[418,662,663],{},"Usually direct links",[397,665,666,669,672],{},[418,667,668],{},"YouTube Music",[418,670,671],{},"DASH\u002FHLS",[418,673,674],{},"Video+audio separated",[676,677,678],"tip",{},[304,679,680,681,685],{},"For detailed podcast download workflow, see ",[682,683,684],"a",{"href":122},"Use Cases — Podcast & Audio",".",[386,687,689],{"id":688},"batch-download-of-podcast-episodes","Batch Download of Podcast Episodes",[304,691,692],{},"Podcast list pages often contain multiple episodes that can be downloaded in batches:",[334,694,695,698,701,704,707],{},[337,696,697],{},"Open podcast list page",[337,699,700],{},"Play each episode briefly to trigger audio loading (some sites auto-load)",[337,702,703],{},"Open FlowPick, switch to Audio tab",[337,705,706],{},"Select needed episodes using checkboxes",[337,708,709],{},"Click \"Download Selected\" button",[711,712,713],"note",{},[304,714,715],{},"Some podcast platforms use dynamic URLs or encrypted streams, which may not be detectable by FlowPick. In this case, you can try using online tools or other methods.",[315,717],{},[318,719,354],{"id":720},"metadata-extraction",[304,722,723],{},"When detecting audio files, FlowPick extracts available metadata:",[391,725,726,739],{},[394,727,728],{},[397,729,730,733,736],{},[400,731,732],{},"Metadata",[400,734,735],{},"Source",[400,737,738],{},"Example",[413,740,741,755,768,781],{},[397,742,743,746,752],{},[418,744,745],{},"File Size",[418,747,748,751],{},[326,749,750],{},"Content-Length"," header",[418,753,754],{},"12.5 MB",[397,756,757,760,764],{},[418,758,759],{},"MIME Type",[418,761,762,751],{},[326,763,408],{},[418,765,766],{},[326,767,477],{},[397,769,770,773,776],{},[418,771,772],{},"File Name",[418,774,775],{},"URL path inference",[418,777,778],{},[326,779,780],{},"episode-001.mp3",[397,782,783,786,789],{},[418,784,785],{},"Source Domain",[418,787,788],{},"Request URL",[418,790,791],{},[326,792,793],{},"cdn.example.com",[304,795,796],{},[340,797,798],{},"Limitations:",[368,800,801,804,807],{},[337,802,803],{},"Cannot extract ID3 tags (artist, album, duration) without downloading file",[337,805,806],{},"Cannot get actual audio duration without parsing entire file",[337,808,809],{},"Some servers don't return Content-Length header",[315,811],{},[318,813,815],{"id":814},"download-behavior","Download Behavior",[386,817,455],{"id":818},"direct-audio-files-1",[304,820,821],{},"For direct audio files (MP3, M4A, etc.):",[368,823,824,827,830],{},[337,825,826],{},"Browser downloads original file directly",[337,828,829],{},"No conversion or processing needed",[337,831,832],{},"File saved to default download directory",[386,834,836],{"id":835},"streaming-audio","Streaming Audio",[304,838,839],{},"For HLS\u002FDASH audio streams:",[334,841,842,845,848,851],{},[337,843,844],{},"Parse manifest to get fragment list",[337,846,847],{},"Concurrently download all fragments",[337,849,850],{},"Merge fragments into single file",[337,852,853],{},"If output format is MP4\u002FM4A, perform remuxing",[315,855],{},[318,857,101],{"id":858},"use-cases",[386,860,862],{"id":861},"background-music-download","Background Music Download",[304,864,865],{},"Many websites use background music (BGM):",[368,867,868,871,874,877],{},[337,869,870],{},"Game websites' background music",[337,872,873],{},"Personal homepage's ambient music",[337,875,876],{},"Product demo pages' background music",[337,878,879],{},"Interactive media's sound effects",[304,881,882],{},"These audios are usually loaded when page opens, can be detected immediately after refreshing page.",[386,884,886],{"id":885},"podcast-episode-collection","Podcast Episode Collection",[304,888,889],{},"Collect favorite podcast episodes locally:",[334,891,892,895,898],{},[337,893,894],{},"Open episode page",[337,896,897],{},"Play briefly to trigger audio load",[337,899,900],{},"Detect and download in FlowPick",[676,902,903],{},[304,904,905,906,685],{},"For complete podcast download guide, see ",[682,907,684],{"href":122},[386,909,911],{"id":910},"audiobook-download","Audiobook Download",[304,913,914],{},"Audiobook platforms usually provide audio files:",[368,916,917,920,923],{},[337,918,919],{},"Usually standard MP3\u002FM4A format",[337,921,922],{},"Sometimes split into chapters",[337,924,925],{},"Can be downloaded chapter-by-chapter",[386,927,929],{"id":928},"live-stream-recording","Live Stream Recording",[304,931,932],{},"Some live platforms provide recorded replay:",[368,934,935,938,941],{},[337,936,937],{},"Replays usually stored as standard audio files",[337,939,940],{},"Can be detected and downloaded like regular audio files",[337,942,943],{},"Some platforms use special protection",[315,945],{},[318,947,949],{"id":948},"best-practices","Best Practices",[386,951,953],{"id":952},"filter-unwanted-resources","Filter Unwanted Resources",[304,955,956],{},"Audio detection may pick up some unwanted resources:",[391,958,959,969],{},[394,960,961],{},[397,962,963,966],{},[400,964,965],{},"Resource Type",[400,967,968],{},"How to Handle",[413,970,971,979,987,995],{},[397,972,973,976],{},[418,974,975],{},"Notification sounds",[418,977,978],{},"Filter by file size (usually very small)",[397,980,981,984],{},[418,982,983],{},"Ad audio",[418,985,986],{},"Manually exclude or filter by domain",[397,988,989,992],{},[418,990,991],{},"UI sound effects",[418,993,994],{},"Filter by file size",[397,996,997,1000],{},[418,998,999],{},"Background music",[418,1001,1002],{},"Decide whether to download based on needs",[386,1004,1006],{"id":1005},"combine-with-video-download","Combine with Video Download",[304,1008,1009],{},"Some content has both video and audio versions:",[368,1011,1012,1015,1018],{},[337,1013,1014],{},"Podcasts sometimes have video versions",[337,1016,1017],{},"Some courses provide separate video and audio tracks",[337,1019,1020],{},"Choose appropriate type based on needs",[386,1022,1024],{"id":1023},"file-naming","File Naming",[304,1026,1027],{},"Downloaded audio files are named based on URL. If you want better naming:",[368,1029,1030,1033,1036],{},[337,1031,1032],{},"Manually rename after download",[337,1034,1035],{},"Use file manager to batch rename",[337,1037,1038],{},"Some download managers support custom naming rules",[315,1040],{},[318,1042,130],{"id":1043},"troubleshooting",[386,1045,1047],{"id":1046},"audio-not-detected","Audio Not Detected",[391,1049,1050,1060],{},[394,1051,1052],{},[397,1053,1054,1057],{},[400,1055,1056],{},"Cause",[400,1058,1059],{},"Solution",[413,1061,1062,1070,1078,1086],{},[397,1063,1064,1067],{},[418,1065,1066],{},"Page not refreshed",[418,1068,1069],{},"Refresh page and wait for audio to load",[397,1071,1072,1075],{},[418,1073,1074],{},"Audio not played",[418,1076,1077],{},"Click play button, play for a few seconds",[397,1079,1080,1083],{},[418,1081,1082],{},"Uses Web Audio API",[418,1084,1085],{},"Some sites use programmatic audio generation, not network requests",[397,1087,1088,1091],{},[418,1089,1090],{},"Encrypted stream",[418,1092,1093],{},"DRM-protected audio cannot be detected",[386,1095,1097],{"id":1096},"downloaded-file-cannot-play","Downloaded File Cannot Play",[391,1099,1100,1108],{},[394,1101,1102],{},[397,1103,1104,1106],{},[400,1105,1056],{},[400,1107,1059],{},[413,1109,1110,1118,1126],{},[397,1111,1112,1115],{},[418,1113,1114],{},"Incomplete download",[418,1116,1117],{},"Re-download, ensure network stable",[397,1119,1120,1123],{},[418,1121,1122],{},"Unsupported format",[418,1124,1125],{},"Try converting with FFmpeg or other tools",[397,1127,1128,1131],{},[418,1129,1130],{},"Corrupted file",[418,1132,1133],{},"Original file may have issues",[386,1135,1137],{"id":1136},"file-size-shows-as-unknown","File Size Shows as Unknown",[304,1139,1140,1141,1143],{},"Some servers don't return ",[326,1142,750],{}," header:",[368,1145,1146,1149,1152],{},[337,1147,1148],{},"This is normal, doesn't affect download",[337,1150,1151],{},"Actual size only known after download completes",[337,1153,1154],{},"Streaming audio especially prone to this situation",[676,1156,1157],{},[304,1158,1159,1160,1162,1163,685],{},"If above methods don't resolve issue, please check ",[682,1161,136],{"href":137},". For technical limitations, see ",[682,1164,1165],{"href":141},"Known Limitations",[315,1167],{},[318,1169,1171],{"id":1170},"related-documentation","Related Documentation",[368,1173,1174,1179,1184,1189,1194,1199,1204,1209,1214],{},[337,1175,1176,1178],{},[682,1177,40],{"href":41}," — Video detection and download (similar principles)",[337,1180,1181,1183],{},[682,1182,50],{"href":51}," — Image resource detection and download",[337,1185,1186,1188],{},[682,1187,65],{"href":66}," — Multi-resource batch download operations",[337,1190,1191,1193],{},[682,1192,60],{"href":61}," — Audio format conversion and remuxing",[337,1195,1196,1198],{},[682,1197,23],{"href":24}," — Basic operation steps",[337,1200,1201,1203],{},[682,1202,28],{"href":29}," — Filter settings and download options",[337,1205,1206,1208],{},[682,1207,55],{"href":56}," — Network monitoring privacy notes",[337,1210,1211,1213],{},[682,1212,136],{"href":137}," — Diagnostic methods for issues",[337,1215,1216,1218],{},[682,1217,1165],{"href":141}," — Technical limitations",{"title":1220,"searchDepth":1221,"depth":1221,"links":1222},"",2,[1223,1224,1229,1233,1234,1238,1244,1249,1254],{"id":320,"depth":1221,"text":321},{"id":383,"depth":1221,"text":384,"children":1225},[1226,1228],{"id":388,"depth":1227,"text":389},3,{"id":454,"depth":1227,"text":455},{"id":594,"depth":1221,"text":595,"children":1230},[1231,1232],{"id":601,"depth":1227,"text":602},{"id":688,"depth":1227,"text":689},{"id":720,"depth":1221,"text":354},{"id":814,"depth":1221,"text":815,"children":1235},[1236,1237],{"id":818,"depth":1227,"text":455},{"id":835,"depth":1227,"text":836},{"id":858,"depth":1221,"text":101,"children":1239},[1240,1241,1242,1243],{"id":861,"depth":1227,"text":862},{"id":885,"depth":1227,"text":886},{"id":910,"depth":1227,"text":911},{"id":928,"depth":1227,"text":929},{"id":948,"depth":1221,"text":949,"children":1245},[1246,1247,1248],{"id":952,"depth":1227,"text":953},{"id":1005,"depth":1227,"text":1006},{"id":1023,"depth":1227,"text":1024},{"id":1043,"depth":1221,"text":130,"children":1250},[1251,1252,1253],{"id":1046,"depth":1227,"text":1047},{"id":1096,"depth":1227,"text":1097},{"id":1136,"depth":1227,"text":1137},{"id":1170,"depth":1221,"text":1171},"2026-07-08","Complete technical documentation for FlowPick audio detection and download, covering audio formats, podcast detection, metadata extraction, batch download, and troubleshooting.","md","2026-08-17",{},{"icon":48},{"title":1262,"description":1263},"Web Audio and Podcast Downloader Guide | FlowPick","Learn how to detect and download web audio, podcasts, music, and other browser media resources with FlowPick.","_vfBxH1GKkoITsscGuwXsRAA2V4SnFmbyrldjS0dmIU",[1266,1268],{"title":40,"path":41,"stem":42,"description":1267,"icon":43,"children":-1},"Complete technical documentation for FlowPick video detection and download, covering HLS, DASH, direct video files, encrypted stream decryption, and troubleshooting.",{"title":50,"path":51,"stem":52,"description":1269,"icon":53,"children":-1},"Complete technical documentation for FlowPick image detection and download, covering supported formats, smart filtering, batch download, gallery scenarios, and best practices.",1788792262547]