[{"data":1,"prerenderedAt":281},["ShallowReactive",2],{"project-7183354":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":27,"sentiment":28,"stance_mix":29,"scored_comments":34,"aspects":35,"strip":43,"post_text":45,"what":46,"said":75,"maker_in_thread":153,"shape":159,"grid":162,"attempts":242,"same_week":243,"maker_shows":37,"maker_hidden":273,"reader_version":274,"card":275},"7183354","Tinie Tempah rap demonstration app","An app that listens for a rapper's songs and raps along in sync","title","Show HN: I made an app that listens for a rapper's songs and raps along in sync","http:\u002F\u002Fthenextweb.com\u002Fapps\u002F2014\u002F02\u002F05\u002Ftinie-tempahs-new-app-helps-lip-sync-along-latest-album\u002F#!us2Xz","thenextweb.com","skattyadz",1391603691,2014,119,31,232,2272,11,"notable","creative","music app","mobile_app",[24,25,21,26],"audio fingerprinting","lip sync","ios","mixed",-0.097,{"positive":30,"neutral":31,"mixed":32,"critical":33},4,8,0,5,17,{"performance":36,"idea":38,"execution":40,"docs":41,"design":42},{"positive":32,"critical":37},2,{"positive":37,"critical":39},1,{"positive":39,"critical":32},{"positive":39,"critical":32},{"positive":32,"critical":39},[44,32,39,32,32,32,32,39,33,32,32,44,44,32,33,44,32,39,44,44,39,32,33,44,32,39,32,33,44],3,null,{"problem":45,"audience":47,"pricing":45,"motivation":45,"time_to_build":45,"stack":57,"openness":73,"stage":74,"team_size":73},{"value":48,"source":49,"evidence":50},"Fans of rapper Tinie Tempah","inferred",[51,53],{"id":52},"post",{"id":54,"by":55,"text":56},"7184038","nhangen","Apparently very few of you read the article... It's a smart way for a rapper to market his music. I chuckled as I watched the video, and learned about a rapper I hadn't heard of…",[58,66],{"value":59,"source":60,"evidence":61},"iOS","commenter",[62],{"id":63,"by":64,"text":65},"7183381","jongold","This is totally awesome; way beyond my iOS knowledge. Any pointers or tips you learnt about audio processing along the way?",{"value":67,"source":68,"evidence":69},"Accelerate framework (FFT)","maker",[70],{"id":71,"by":11,"text":72},"7183761","I'm doing FFTs at regular intervals using the Accelerate framework. Then a lot of rolling window comparisons of frequency data to try and determine which fingerprints these…","unknown","launched",{"praise":76,"objections":95,"requests":114,"questions":122,"alternatives":137},[77,84,91],{"value":78,"source":60,"evidence":79},"Clever idea with many possible applications",[80],{"id":81,"by":82,"text":83},"7183433","michaelmcmillan","This is clever. I can see so many different apps using a similar technology.",{"value":85,"source":60,"evidence":86},"Extremely cool app",[87],{"id":88,"by":89,"text":90},"7184301","n1ghtmare_","This is an extremely cool app! I'm impressed. Good job.",{"value":92,"source":60,"evidence":93},"Smart marketing for a rapper",[94],{"id":54,"by":55,"text":56},[96,107],{"value":97,"source":60,"evidence":98},"Page pegs CPU core to 100% for some users",[99,103],{"id":100,"by":101,"text":102},"7183394","gabemart","The linked page pegs one of my CPU cores to 100%. Anyone else get the same thing?",{"id":104,"by":105,"text":106},"7183487","weavie","Yup. Locked up firefox for me for quite some time. Was compiling at the time, so didn't think too much of it..",{"value":108,"source":60,"evidence":109},"Video unavailable outside the US\u002Fgeo-restricted",[110],{"id":111,"by":112,"text":113},"7184789","ktsmith","It was interesting but the video kept cutting out for me. I figured I'd check out the music anyway and was greeted with a \"This content is not available in your country\" message.…",[115],{"value":116,"source":60,"evidence":117},"Support lip syncing to any track, not only the rapper's songs",[118],{"id":119,"by":120,"text":121},"7184736","svantana","Cute! It's pretty much the same as the Cassius app from a few years back (https:\u002F\u002Fitunes.apple.com\u002Fen\u002Fapp\u002Fcassius-i-3-u-so\u002Fid399394777), but syncing to external audio instead. A…",[123,130],{"value":124,"source":60,"evidence":125},"Does each song need separate recording?",[126],{"id":127,"by":128,"text":129},"7183498","deletes","Do you have to record each song separately?",{"value":131,"source":60,"evidence":132},"Tolerance to radio speed-up distortion",[133],{"id":134,"by":135,"text":136},"7186027","JustResign","Do you know that many (terrestrial) radio stations do not play songs at their exact recorded speed? Most are sped up a little (single-digit percentage), so they can fit more…",[138,142],{"value":139,"source":60,"evidence":140},"Cassius app",[141],{"id":119,"by":120,"text":121},{"value":143,"source":60,"evidence":144},"Shazam and SoundHound lyric sync",[145,149],{"id":146,"by":147,"text":148},"7183453","wingerlang","On this topic I guess. I recently used shazamm (or the other one) and it - in addition to finding the song - showed me the lyrics in real time, highlighting the current line in…",{"id":150,"by":151,"text":152},"7183999","JangoSteve","Why do you say that? Shazam does it too, since 2011 when it acquired Tunezee to power that functionality.…",{"comments":37,"answered":37,"key":154},[155,156],{"id":71,"text":72},{"id":157,"text":158},"7183772","It's using a ton of videos we recorded with Tinie on one grey London afternoon",{"commenters":160,"max_depth":30,"maker_replies":37,"first_comment_mins":18,"lifespan_hours":161},26,13,[163,165,167,169,171,175,176,179,183,187,190,194,196,198,199,202,206,210,213,216,219,220,223,225,227,228,233,236,238],[134,32,44,164,135,32],"project\u002Fneutral\u002Fperformance",[54,39,32,166,55,32],"other\u002Fpositive\u002Fidea",[111,39,39,168,112,32],"project\u002Fcritical\u002Fnone",[146,37,32,170,147,32],"other\u002Fneutral\u002Fnone",[172,37,32,173,174,32],"7183693","commenter\u002Fneutral\u002Fnone","nnnnni",[150,37,32,173,151,32],[177,37,32,173,178,32],"7186850","sejje",[180,44,39,181,182,32],"7183532","project\u002Fcritical\u002Fidea","edw519",[184,44,33,185,186,32],"7185831","maker\u002Fpositive\u002Fidea","kohanz",[188,44,32,170,189,32],"7188156","midas007",[191,44,32,192,193,32],"7186402","commenter\u002Fcritical\u002Fnone","pdog",[119,30,44,195,120,32],"project\u002Fneutral\u002Fidea",[63,33,44,197,64,32],"maker\u002Fneutral\u002Fexecution",[71,33,32,197,11,39],[200,33,33,201,89,32],"7184282","maker\u002Fpositive\u002Fdocs",[203,33,44,204,205,32],"7187074","project\u002Fneutral\u002Fexecution","ryanjshaw",[207,208,32,170,209,32],"7184484",6,"dmcswain",[100,211,39,212,101,32],7,"project\u002Fcritical\u002Fperformance",[214,211,44,164,215,32],"7183402","sjtgraham",[217,211,44,218,64,32],"7183426","project\u002Fneutral\u002Fnone",[104,211,39,212,105,32],[221,211,32,173,222,32],"7184379","x3c",[81,31,33,224,82,32],"project\u002Fpositive\u002Fidea",[127,226,44,197,128,32],9,[157,226,32,197,11,39],[229,230,39,231,232,32],"7183422",10,"project\u002Fcritical\u002Fdesign","scrrr",[234,230,32,173,235,32],"7185253","nezza-_-",[88,18,33,237,89,32],"project\u002Fpositive\u002Fexecution",[239,240,44,195,241,32],"7183502",12,"delinka",[],[244,249,254,259,263,268],{"id":245,"name":246,"points":247,"category":248},"7185024","thedaywefightback.js",472,"web_saas",{"id":250,"name":251,"points":252,"category":253},"7159896","VoiceChat",303,"productivity",{"id":255,"name":256,"points":257,"category":258},"7186459","Codewars",198,"learning_science",{"id":260,"name":261,"points":262,"category":258},"7171549","SlaveryStories.org",178,{"id":264,"name":265,"points":266,"category":267},"7168547","Kurikku",164,"dev_tools",{"id":269,"name":270,"points":271,"category":272},"7152725","Unbabel API",143,"languages",false,"v2",{"id":276,"name":5,"line":6,"ai":273,"cat":20,"year":13,"points":14,"comments":15,"rec":27,"s":277,"top":18,"kw":278,"maker":11,"domain":10,"tier":19,"attempts":32,"strip":279,"url":9,"mix":280,"praise":78,"objection":97,"sub":21},7183354,-0.1,[24,25,21,26],"30100001500330530133105301053",[30,31,32,33],1793990902523]