[{"data":1,"prerenderedAt":882},["ShallowReactive",2],{"project-40501021":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":29,"sentiment":30,"stance_mix":31,"scored_comments":36,"aspects":37,"strip":50,"post_text":53,"what":54,"said":87,"maker_in_thread":212,"shape":223,"grid":227,"attempts":842,"same_week":843,"maker_shows":41,"maker_hidden":874,"reader_version":875,"card":876},"40501021","Grooved","A free app to calibrate your turntable by simply playing a song","title","Show HN: I made a free app to calibrate your turntable by simply playing a song","https:\u002F\u002Fgrooved.okat.best\u002F","grooved.okat.best","okatbest",1716906208,2024,452,227,87,3515,3,"legend","hardware","turntable calibration app","mobile_app",[24,25,26,27,28],"turntable calibration","vinyl speed","rpm checker","record player speed","wow flutter","mixed",0.061,{"positive":32,"neutral":33,"mixed":34,"critical":35},24,45,7,22,98,{"performance":38,"design":40,"idea":42,"privacy":44,"docs":45,"execution":46,"pricing":49},{"positive":39,"critical":18},2,{"positive":39,"critical":41},1,{"positive":39,"critical":43},8,{"positive":41,"critical":41},{"positive":18,"critical":39},{"positive":47,"critical":48},0,6,{"positive":41,"critical":47},[51,47,47,47,18,47,18,18,18,18,18,41,39,18,18,51,41,41,39,41,39,51,41,41,18,51,18,18,39,41,39,41,47,47,52,51,51,52,51,51],5,4,"Hey there!\n\nI made a little app that lets you to calibrate your turntable by putting on any record and tapping a button. It's called Grooved and it uses your phone's microphone to see how fast your platter is going, almost like magic.\n\nYou can see what it looks like in action here: https:\u002F\u002Ftwitter.com\u002FOKatBest\u002Fstatus\u002F1795453042994680148\n\nThe app itself is free without ads, subscriptions, or trackers. It's a tool I built for myself, and I just thought someone else might want to use it too. I have never seen this technology being used before, all other apps require you to either print something ",{"problem":55,"audience":64,"pricing":71,"motivation":75,"time_to_build":82,"stack":83,"openness":84,"stage":85,"team_size":86},{"value":56,"source":57,"evidence":58},"Turntables often play records at the wrong speed, making music sound too fast or high pitched","maker",[59,61],{"id":60},"post",{"id":62,"by":11,"text":63},"40501367","So you have multiple speed settings (33.3RPM, 45RPM etc.), but most if not all players also have a little adjustment knob to tweak those settings more precisely. Good players…",{"value":65,"source":57,"evidence":66},"Vinyl record players who want their records to sound right, including non-audiophiles",[67,70],{"id":68,"by":11,"text":69},"40501719","Hey that's awesome to hear, thanks for trying it out! This is exactly what I hoped for when building this app. Making a dead simple tool for people who want their records to…",{"id":62,"by":11,"text":63},{"value":72,"source":57,"evidence":73},"Free, no ads, subscriptions or trackers",[74],{"id":60},{"value":76,"source":57,"evidence":77},"Built it for himself and wanted to share a tool others might use; avoids open-sourcing for now to prevent copycats",[78,79],{"id":60},{"id":80,"by":11,"text":81},"40502383","Probably a smart idea to be suspicious of new apps, though I will say I am someone who care deeply about privacy. You can take a look at my previous project Boop (…",null,[],"free","launched","solo",{"praise":88,"objections":116,"requests":153,"questions":168,"alternatives":189},[89,105],{"value":90,"source":91,"evidence":92},"Clever, simple idea that works by listening to any record","commenter",[93,97,101],{"id":94,"by":95,"text":96},"40501450","crazygringo","This seems really clever -- kudos! I'm curious how it actually works? At first I assumed you were comparing the vinyl track to the reference digital track from some streaming…",{"id":98,"by":99,"text":100},"40501623","gcp123","What a perfectly simple app! Going to try this out with my Technics SL1200 mk2 tonight. Thanks for sharing. P.S. Reading comments from a bunch of tech folks trying to wrap their…",{"id":102,"by":103,"text":104},"40508097","whynotkeithberg","Wow really cool! I am going to be setting up my SL-1200 soon and I can't wait to test it out with this app.",{"value":106,"source":91,"evidence":107},"Copy and intro are charming and funny",[108,112],{"id":109,"by":110,"text":111},"40501335","gaudystead","I'm just here to say that I enjoyed that intro you gave to the website, and although I hate unitaskers in the kitchen, that intro helped to remind me of the magical wonder of…",{"id":113,"by":114,"text":115},"40501295","tirthd","Great copywriting. It's very rare that I read an entire paragraph without skipping a word.",[117,128,142],{"value":118,"source":91,"evidence":119},"Relies on song recognition; may misjudge speed for non-musical or drum-only or 45 rpm tracks",[120,124],{"id":121,"by":122,"text":123},"40505913","drewbeck","This is cool although it very confidently asserted that a 45 rpm 12” single was a perfect! 33 1\u002F3 rpm. Which suggests this is using song recognition and not discovering some…",{"id":125,"by":126,"text":127},"40502767","dmd","I've tried this on a dozen or so records and all I get is \"Please made sure your device can hear the music, and that you're using a modern song with a clearly defined beat.\"…",{"value":129,"source":91,"evidence":130},"Results inconsistent with Spotify playback and accelerometer apps; less precise than accelerometer",[131,135,139],{"id":132,"by":133,"text":134},"40504124","verelo","So this is super cool but i am questioning its reliability after playing a song from Spotify on my Sonos and then letting the app listen: the result was 0.1% too slow? I guess…",{"id":136,"by":137,"text":138},"40503188","virskyfan","Great! In the past I've used the app that measures the turntable speed through its accelerometer...it's somewhat uncomfortable and weird to set the mobile on the turntable, start…",{"id":140,"by":11,"text":141},"40503339","I'm gonna be honest, using the accelerometer will definitely be more accurate because you can take more samples over a longer period of time. That's how this project started, but…",{"value":143,"source":91,"evidence":144},"Website copy is too long and hides what the app does; store links did not work for some",[145,149],{"id":146,"by":147,"text":148},"40501896","peter_l_downs","Strongly recommend updating your website to lead with some variation of \"This is an offline iPhone app to help you calibrate your turntable's speed, all you need to do is play…",{"id":150,"by":151,"text":152},"40501790","plastic3169","Looks amazing and useful for me! The links don’t take me to the app store on my iphone and the app name is not in the heading I need to scroll past the copy to find what to…",[154,161],{"value":155,"source":57,"evidence":156},"Android version",[157,158],{"id":60},{"id":159,"by":11,"text":160},"40513863","Well I have been developing native apps for both for over a decade, and I don't think either is particularly more difficult than the other. What it came down to is that I use an…",{"value":162,"source":91,"evidence":163},"Open source version, including for Windows or Linux",[164],{"id":165,"by":166,"text":167},"40501961","miah_","This is a neat idea. I don't know why it needs to be an app on a phone though. I guess you \"know\" a phone has a microphone and the setup is minimal and you have a api for…",[169,178],{"value":170,"source":91,"evidence":171},"How accurate is it and how does it work",[172,173,177],{"id":94,"by":95,"text":96},{"id":174,"by":175,"text":176},"40501232","patrakov","Does it rely on the fact that music has a concept of notes with well-defined frequencies and that there is no such thing as 216 Hz (must be 207.6 or 220 Hz) when the music is…",{"id":132,"by":133,"text":134},{"value":179,"source":91,"evidence":180},"Does it handle wow and flutter or off-center records",[181,185],{"id":182,"by":183,"text":184},"40501325","shiandow","This just tells you the speed, not the variation in speed over time?",{"id":186,"by":187,"text":188},"40503939","chriscjcj","So is this just a test to see if it's playing records at the right speed? Does it do anything else? Is it comparing it to a known-good recording of the song or is it measuring…",[190,201],{"value":191,"source":91,"evidence":192},"Accelerometer apps where the phone sits on the platter",[193,197],{"id":194,"by":195,"text":196},"40501989","thekegsi","You can get apps where you place your phone on the turn table and it directly measures the turntable speed using either gyroscope or compass…",{"id":198,"by":199,"text":200},"40501826","shudza","I've used to use an app (there are many) which measures angular velocity using accelerometer and displays RPM (you place the phone on the turntable). I can't see why would anyone…",{"value":202,"source":91,"evidence":203},"Built-in strobe lights on turntables",[204,208],{"id":205,"by":206,"text":207},"40501796","kazinator","I'm skeptical; you have no idea whether a random song from a record player is in tune or not, without a reference copy of that song from digital media. Is this zeroing in on…",{"id":209,"by":210,"text":211},"40502526","egypturnash","All the turntables in my life as a kid had built-in calibration, in the form of four rows of repeating black\u002Fsilver squares on the side of the wheel, a light flickering at the…",{"comments":213,"answered":214,"key":215},20,13,[216,217,220],{"id":68,"text":69},{"id":218,"text":219},"40506842","You can try with my example video above! Listen to the first couple seconds of the song on my recording (skip to 0:08): https:\u002F\u002Ftwitter.com\u002FOKatBest\u002Fstatus\u002F1795453042994680148…",{"id":221,"text":222},"40503902","Thank you so much! I spoke about why I'm not flat out saying how it works in another comment but let me answer your questions: 1) It actually might! Worth a shot I guess, but I…",{"commenters":224,"max_depth":225,"maker_replies":213,"first_comment_mins":213,"lifespan_hours":226},138,10,149,[228,232,234,237,240,244,246,249,252,254,256,258,261,263,265,267,270,273,276,278,281,283,286,289,291,295,298,302,305,308,311,314,317,319,320,323,327,330,331,334,337,341,344,346,349,351,354,357,359,362,365,367,371,374,377,380,382,385,388,391,393,395,398,401,403,406,409,411,413,416,419,422,424,427,430,432,434,436,439,441,443,445,448,450,453,455,458,461,464,465,467,470,471,473,476,479,481,483,485,487,490,493,496,499,502,506,508,510,512,514,516,519,522,524,526,527,530,532,533,536,538,541,544,546,548,550,553,555,557,559,562,564,567,570,572,575,579,581,582,585,587,589,591,594,597,601,604,606,611,615,619,621,624,626,630,633,636,638,640,642,644,646,651,653,655,657,659,661,664,665,668,671,673,674,677,679,681,683,687,690,693,695,698,701,704,706,708,710,713,716,719,722,725,726,729,734,739,743,747,749,752,756,760,764,768,772,776,780,784,788,793,796,799,803,806,809,812,816,818,820,822,824,828,831,833,835,838],[229,47,51,230,231,47],"40501420","project\u002Fpositive\u002Fperformance","nickthegreek",[68,47,47,233,11,41],"maker\u002Fpositive\u002Fidea",[235,47,47,236,206,47],"40502050","commenter\u002Fneutral\u002Fnone",[238,47,47,236,239,47],"40502659","criddell",[241,47,47,242,243,47],"40502926","other\u002Fneutral\u002Fnone","taylodl",[245,47,47,242,239,47],"40504982",[247,47,47,242,248,47],"40505266","tharmas",[250,47,47,242,251,47],"40505546","4gotunameagain",[253,47,47,242,206,47],"40507225",[255,47,47,242,239,47],"40507425",[257,47,47,242,206,47],"40507587",[259,47,47,236,260,47],"40511020","lightedman",[262,47,47,236,206,47],"40513058",[264,47,47,242,243,47],"40511681",[266,47,47,242,239,47],"40512123",[268,47,47,242,269,47],"40506225","cnasc",[271,47,47,242,272,47],"40508468","uuddlrlrbaba",[274,47,47,242,275,47],"40508782","jimbobthrowawy",[277,47,47,242,206,47],"40508821",[279,47,47,242,280,47],"40511657","chrisshroba",[282,47,47,242,243,47],"40511592",[284,47,47,242,285,47],"40508886","cjk",[287,47,47,242,288,47],"40515165","khill",[290,47,47,242,285,47],"40529020",[292,47,18,293,294,47],"40502114","project\u002Fneutral\u002Fnone","FelipeCortez",[296,47,47,236,297,47],"40502742","tiborsaas",[299,47,18,300,301,47],"40505375","project\u002Fneutral\u002Fperformance","Severian",[303,47,18,300,304,47],"40505437","BuildTheRobots",[306,47,47,242,307,47],"40505693","TylerE",[309,47,47,242,310,47],"40505958","jiayo",[312,47,47,242,313,47],"40511043","bitnasty",[315,47,47,242,316,47],"40511896","sgarland",[318,47,47,242,231,47],"40506260",[218,47,47,300,11,41],[321,47,47,242,322,47],"40512173","serial_dev",[324,47,18,325,326,47],"40506352","project\u002Fneutral\u002Fdesign","RRWagner",[328,47,18,293,329,47],"40511488","raverbashing",[94,41,18,300,95,47],[332,41,47,242,333,47],"40501500","datpiff",[335,41,47,242,336,47],"40502471","iaresee",[338,41,18,339,340,47],"40501600","project\u002Fneutral\u002Fidea","sambeau",[342,41,47,236,343,47],"40501871","svantana",[345,41,47,236,340,47],"40502100",[347,41,47,242,348,47],"40502431","kevincox",[350,41,47,242,243,47],"40503302",[352,41,47,236,353,47],"40507402","hluska",[355,41,47,236,356,47],"40508986","GauntletWizard",[358,41,47,236,353,47],"40514515",[360,41,18,339,361,47],"40511787","GuB-42",[363,41,47,242,364,47],"40501620","tibbon",[366,41,47,242,206,47],"40501668",[368,41,18,369,370,47],"40501804","project\u002Fneutral\u002Fprivacy","padenot",[372,41,18,369,373,47],"40502572","stavros",[375,41,18,369,376,47],"40503958","pimlottc",[378,41,18,369,379,47],"40504957","rmccue",[381,41,18,369,126,47],"40506322",[383,41,18,369,384,47],"40508143","dmicah",[386,41,18,339,387,47],"40501876","derefr",[389,41,47,242,390,47],"40502015","fwip",[392,41,47,242,387,47],"40502393",[394,41,47,236,353,47],"40507613",[396,41,47,236,397,47],"40508234","epcoa",[399,41,47,242,400,47],"40505136","nereye",[402,41,47,242,95,47],"40506197",[404,41,47,242,405,47],"40509309","zimpenfish",[407,41,41,408,95,47],"40502878","project\u002Fcritical\u002Fidea",[410,41,18,339,387,47],"40503554",[412,41,47,236,95,47],"40503778",[414,41,18,339,415,47],"40501887","LeoPanthera",[417,41,18,339,418,47],"40503130","jerf",[420,41,47,236,421,47],"40503564","mlyle",[423,41,47,236,418,47],"40504027",[425,41,41,426,95,47],"40504152","project\u002Fcritical\u002Fperformance",[428,41,18,339,429,47],"40506677","srcreigh",[431,41,47,236,418,47],"40511808",[433,41,47,236,95,47],"40512546",[435,41,47,236,421,47],"40513955",[437,41,47,236,438,47],"40515483","rerdavies",[440,41,47,236,95,47],"40524142",[442,41,47,236,438,47],"40566804",[444,41,47,236,421,47],"40505666",[446,41,47,236,447,47],"40505936","adrianmonk",[221,41,47,449,11,41],"maker\u002Fneutral\u002Fnone",[451,41,18,449,452,47],"40506701","opello",[454,41,47,449,11,41],"40506941",[456,41,51,457,452,47],"40507562","maker\u002Fpositive\u002Fnone",[459,41,18,449,460,47],"40511995","davidmurdoch",[462,41,51,457,463,47],"40513688","carb",[159,41,47,449,11,41],[466,41,51,457,460,47],"40513993",[468,41,47,242,469,47],"40504778","mkesper",[209,39,47,242,210,47],[472,39,47,242,95,47],"40502817",[474,39,18,339,475,47],"40502971","hinkley",[477,39,41,408,478,47],"40503049","c5karl",[480,39,47,242,243,47],"40503118",[482,39,47,242,210,47],"40503337",[484,39,47,242,387,47],"40503691",[486,39,47,242,243,47],"40511505",[488,39,47,242,489,47],"40505135","ssl-3",[491,39,41,408,492,47],"40507388","jameshart",[494,39,47,242,495,47],"40507835","CoffeeOnWrite",[497,39,47,242,498,47],"40507865","Tor3",[500,39,47,242,501,47],"40510727","Aldipower",[503,18,41,504,505,47],"40501529","project\u002Fcritical\u002Fdocs","lukko",[109,52,51,507,110,47],"project\u002Fpositive\u002Fdocs",[125,51,41,509,126,47],"project\u002Fcritical\u002Fexecution",[511,51,47,449,11,41],"40503367",[513,51,41,509,126,47],"40503439",[515,51,47,449,11,41],"40503961",[517,51,18,518,126,47],"40504078","project\u002Fneutral\u002Fexecution",[520,51,47,242,521,47],"40505261","Omni5cience",[523,51,47,449,11,41],"40507746",[525,51,41,509,126,47],"40511131",[198,48,41,408,199,47],[528,48,18,300,529,47],"40501916","hobofan",[531,48,18,300,343,47],"40502023",[186,34,18,300,187,47],[534,34,18,300,535,47],"40505072","nomel",[98,43,51,537,99,47],"project\u002Fpositive\u002Fnone",[539,43,47,242,540,47],"40502868","bastardoperator",[542,43,47,242,543,47],"40505534","fmj",[545,43,47,236,495,47],"40507854",[547,43,47,236,543,47],"40519284",[205,549,41,408,206,47],9,[551,549,41,509,552,47],"40502576","echoangle",[554,549,18,518,206,47],"40502610",[556,549,47,449,11,41],"40504014",[558,549,47,236,489,47],"40505250",[560,549,47,236,561,47],"40509453","Johnythree",[563,549,47,236,489,47],"40512084",[565,225,41,408,566,47],"40507697","smackeyacky",[568,225,47,236,569,47],"40510155","lomase",[121,571,41,509,122,47],11,[573,571,47,236,574,47],"40507922","hunter2_",[576,577,41,408,578,47],"40504859",12,"Balgair",[165,214,41,580,166,47],"project\u002Fcritical\u002Fprivacy",[80,214,47,449,11,41],[583,214,51,457,584,47],"40506628","saganus",[586,214,47,449,11,41],"40507720",[588,214,18,449,574,47],"40507932",[590,214,47,449,11,41],"40508041",[592,214,51,233,593,47],"40510223","schobi",[595,214,51,596,126,47],"40502802","project\u002Fpositive\u002Fprivacy",[598,599,18,293,600,47],"40507530",14,"Terr_",[602,599,18,293,603,47],"40508818","jansan",[605,599,47,236,600,47],"40509349",[607,608,18,609,610,47],"40502905",15,"project\u002Fmixed\u002Fdesign","strongpigeon",[612,613,51,233,614,47],"40508105",16,"ginkgotree",[616,617,41,504,618,47],"40512078",17,"emsign",[174,620,18,339,175,47],18,[622,620,47,236,623,47],"40501250","franky47",[625,620,47,236,333,47],"40501336",[627,620,18,628,629,47],"40501371","project\u002Fmixed\u002Fexecution","astral303",[631,620,47,236,632,47],"40501763","netsharc",[634,620,47,236,635,47],"40503786","phreeza",[637,620,47,236,593,47],"40510376",[639,620,47,236,635,47],"40510518",[641,620,18,369,373,47],"40503045",[643,620,18,369,376,47],"40503883",[645,620,18,518,376,47],"40503918",[647,648,18,649,650,47],"40513985",19,"project\u002Fmixed\u002Fpricing","belthesar",[150,213,41,652,151,47],"project\u002Fcritical\u002Fdesign",[654,213,47,449,11,41],"40503204",[656,213,41,509,151,47],"40503440",[658,213,47,449,11,41],"40503779",[182,660,18,300,183,47],21,[662,660,47,663,11,41],"40501404","maker\u002Fneutral\u002Fperformance",[194,35,41,408,195,47],[666,35,47,236,667,47],"40502421","zamadatix",[669,35,47,670,11,41],"40503229","maker\u002Fneutral\u002Fidea",[136,672,18,300,137,47],23,[140,672,47,663,11,41],[675,32,18,300,676,47],"40510392","jzemeocala",[132,678,41,426,133,47],25,[680,678,41,426,231,47],"40504288",[682,678,47,663,11,41],"40505091",[684,685,47,242,686,47],"40501211",26,"echelon",[688,685,47,242,689,47],"40501241","CaptainOfCoit",[691,685,47,236,692,47],"40501296","hnlmorg",[694,685,47,236,689,47],"40501522",[696,685,47,236,697,47],"40503503","LM358",[699,685,47,242,700,47],"40501259","beAbU",[702,685,47,242,703,47],"40501261","yial",[705,685,47,242,552,47],"40502606",[707,685,47,242,703,47],"40502947",[709,685,47,242,333,47],"40501282",[711,685,47,242,712,47],"40501314","tpurves",[714,685,47,242,715,47],"40501341","rufus_foreman",[717,685,47,242,718,47],"40501467","empath75",[720,685,47,236,721,47],"40505209","recursive",[723,685,47,242,724,47],"40501343","vel0city",[62,685,47,537,11,41],[727,728,18,293,239,47],"40505156",27,[730,731,41,732,733,47],"40505176",28,"project\u002Fcritical\u002Fnone","Animats",[735,736,51,737,738,47],"40505311",29,"maker\u002Fpositive\u002Fdesign","czottmann",[740,741,18,339,742,47],"40506044",30,"Lio",[744,745,51,537,746,47],"40526311",31,"grantmuller",[102,748,51,537,103,47],32,[750,748,47,751,721,47],"40512288","commenter\u002Fcritical\u002Fperformance",[753,754,51,537,755,47],"40510912",33,"hilti",[757,758,51,537,759,47],"40505004",34,"ThomasBb",[761,762,51,230,763,47],"40506321",35,"coloneltcb",[765,766,18,293,767,47],"40501197",36,"gen3",[769,770,18,293,771,47],"40505107",37,"Object0541",[773,774,51,537,775,47],"40505327",38,"sans_souse",[777,778,51,537,779,47],"40501308",39,"arytoriop",[781,782,18,449,783,47],"40504258",40,"kernal",[785,786,51,457,787,47],"40508530",41,"rustdesk",[789,790,51,791,792,47],"40508303",42,"maker\u002Fpositive\u002Fpricing","nhggfu",[794,795,51,737,340,47],"40501611",43,[146,797,18,798,147,47],44,"maker\u002Fmixed\u002Fdocs",[800,797,47,801,802,47],"40502150","commenter\u002Fneutral\u002Fdocs","gamegod",[804,797,18,798,805,47],"40502175","berkes",[807,797,18,798,808,47],"40502249","joebergeron",[810,797,18,811,147,47],"40502313","maker\u002Fneutral\u002Fdocs",[813,797,47,814,815,47],"40502685","commenter\u002Fpositive\u002Fdesign","gchamonlive",[817,797,47,236,147,47],"40502839",[819,797,47,236,815,47],"40503726",[821,797,47,811,11,41],"40502930",[823,797,51,457,147,47],"40502978",[825,797,51,826,827,47],"40504297","maker\u002Fpositive\u002Fdocs","PascLeRasc",[829,33,18,300,830,47],"40501609","mk_stjames",[113,832,51,826,114,47],46,[834,832,47,801,718,47],"40501490",[836,832,47,801,837,47],"40501550","turnsout",[839,840,18,798,841,47],"40501205",47,"KeplerBoy",[],[844,849,854,859,864,869],{"id":845,"name":846,"points":847,"category":848},"40456236","Dataherald",464,"data",{"id":850,"name":851,"points":852,"category":853},"40455478","PaperTalk",319,"productivity",{"id":855,"name":856,"points":857,"category":858},"40502956","Openkoda",318,"web_saas",{"id":860,"name":861,"points":862,"category":863},"40469592","Spot",309,"dev_tools",{"id":865,"name":866,"points":867,"category":868},"40456959","Porter Cloud",258,"infrastructure",{"id":870,"name":871,"points":872,"category":873},"40481578","DiscoGrad",232,"languages",false,"v2",{"id":877,"name":5,"line":6,"ai":874,"cat":20,"year":13,"points":14,"comments":15,"rec":29,"s":878,"top":18,"kw":879,"maker":11,"domain":10,"tier":19,"attempts":47,"strip":880,"url":9,"mix":881,"praise":90,"objection":118,"sub":21},40501021,0.06,[24,25,26,27,28],"5000303333312335112125113533212100455455",[32,33,34,35],1794036655433]