[{"data":1,"prerenderedAt":711},["ShallowReactive",2],{"project-21851495":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":28,"sentiment":29,"stance_mix":30,"scored_comments":35,"aspects":36,"strip":46,"post_text":48,"what":49,"said":69,"maker_in_thread":201,"shape":213,"grid":217,"attempts":673,"same_week":674,"maker_shows":42,"maker_hidden":703,"reader_version":704,"card":705},"21851495","Mandarin Tone Trainer","A ‘Helping Ear’ for Mandarin Pronunciation","title","Show HN: Mandarin Tone Trainer – A ‘Helping Ear’ for Mandarin Pronunciation","https:\u002F\u002Fmandarintonetrainer.com","mandarintonetrainer.com","drastorguev",1576940968,2019,237,183,147,2195,7,"notable","learning_science","language learning","web_app",[24,25,26,27],"mandarin tones","pronunciation","chinese pronunciation","pitch contour","roasted",-0.364,{"positive":31,"neutral":32,"mixed":33,"critical":34},5,8,6,20,39,{"design":37,"execution":39,"performance":41,"idea":44,"privacy":45},{"positive":38,"critical":38},2,{"positive":40,"critical":32},0,{"positive":42,"critical":43},1,9,{"positive":38,"critical":40},{"positive":40,"critical":40},[42,42,47,40,40,40,40,40,40,40,40,40,40,40,40,40,40,40,40,40,40,42,40,40,40,40,42,38,42,47,42,40,40,42,38,40,47,38,38,47],3,null,{"problem":50,"audience":57,"pricing":48,"motivation":62,"time_to_build":48,"stack":66,"openness":67,"stage":68,"team_size":67},{"value":51,"source":52,"evidence":53},"Practising Mandarin tones without a private tutor to correct them","maker",[54],{"id":55,"by":11,"text":56},"21851514","Helping mandarin learners practice the tones in their own time without the need for a private tutor to correct them. Record yourself speaking in-browser, and get instant…",{"value":58,"source":59,"evidence":60},"Mandarin learners practising pronunciation","inferred",[61],{"id":55,"by":11,"text":56},{"value":63,"source":52,"evidence":64},"Help learners practise tones in their own time",[65],{"id":55,"by":11,"text":56},[],"unknown","launched",{"praise":70,"objections":87,"requests":137,"questions":160,"alternatives":175},[71,83],{"value":72,"source":73,"evidence":74},"Visualisations of pitch contour are useful","commenter",[75,79],{"id":76,"by":77,"text":78},"21852310","rahimnathwani","It's great to have a tool like this be available without any software installation. I remember when I first started having Chinese lessons, my teacher used some Windows-based…",{"id":80,"by":81,"text":82},"21851967","drenvuk","This is GREAT. I have always had an issue with tone 2 and 3 but it turns out I have this tiny dip before the rise in my tone 2. It took a while looking at the tone patterns…",{"value":84,"source":73,"evidence":85},"Useful tool with no installation needed",[86],{"id":76,"by":77,"text":78},[88,111,122],{"value":89,"source":73,"evidence":90},"Tone classifier often misidentifies tones, especially third tone",[91,95,99,103,107],{"id":92,"by":93,"text":94},"21853176","yellow_lead","It's not really working for me or my girlfriend (native speaker). We can't get past 喝(hē) (tone 1). It keeps thinking it's a third tone.",{"id":96,"by":97,"text":98},"21852960","DiogenesKynikos","This is a nice idea, but I think it needs work. It classified almost every tone that I spoke as 3rd tone. Granted, I'm not native, but I speak well enough that my 4th tone…",{"id":100,"by":101,"text":102},"21852536","andrezsanchez","This is a really cool idea, but it doesn't seem to work. I enunciated each of the tones, and the only one it recognized correctly was third tone.",{"id":104,"by":105,"text":106},"21852206","jbverschoor","Doesn't work... it doesn't work It only seems to check the frequency. The shape doesn't seem to matter, and i the shape would be correct, it classifies as incorrect",{"id":108,"by":109,"text":110},"21853785","ridaj","It's a good idea but (a) it doesn't actually work (tones get miscategorized as attested by the number of native speakers in comments who are having trouble) and (b) practicing…",{"value":112,"source":73,"evidence":113},"Blocks page until microphone access is granted",[114,118],{"id":115,"by":116,"text":117},"21853509","TheRealPomax","Please do not block \"using the website\" until someone gives you access to the microphone. Simply make the parts of the page that rely on the microphone not work, and make it…",{"id":119,"by":120,"text":121},"21853766","solidsnack9000","I instinctively blocked access before reading the page because there was no way for me to read what the page was about before granting access -- and there still isn't, because it…",{"value":123,"source":73,"evidence":124},"Does not work in Safari or Firefox",[125,129,133],{"id":126,"by":127,"text":128},"21853082","pseingatl","Doesn't work on Safari or Vivaldi on Mac OS. After working on tones, I proudly showed them off to a Chinese friend. \"Are you saying it or singing it?\" he asked. It was then I…",{"id":130,"by":131,"text":132},"21852271","f00_","Wish I could use this but doesn't work with Firefox or Safari :c",{"id":134,"by":135,"text":136},"21854369","devin","I can't play the teacher's vocal pitch. It errors out in both Chrome and Safari. Love the idea, though.",[138,146,153],{"value":139,"source":73,"evidence":140},"Sentence-level feedback rather than single words",[141,142],{"id":108,"by":109,"text":110},{"id":143,"by":144,"text":145},"21853004","pascoej","This tool is exactly what I wanted whenever I was first learning pronunciation. I've found myself using siri to check my general pronunciation in longer sentences. This tool with…",{"value":147,"source":73,"evidence":148},"Real-time pitch feedback",[149],{"id":150,"by":151,"text":152},"21854430","rckoepke","This is fantastic, but would really love if I got realtime feedback on my main pitch as I am making it, instead of the full spectrogram 1-5 seconds later. Like a little line chart.",{"value":154,"source":73,"evidence":155},"Support for other languages",[156],{"id":157,"by":158,"text":159},"21851901","baot","I haven't managed to get this working yet on my phone but: would it be possible for the same code to be used for the tones of other languages?",[161,168],{"value":162,"source":73,"evidence":163},"Is it connected to speakgoodchinese?",[164],{"id":165,"by":166,"text":167},"21851985","allan_s","does it have some connections (in term of inspiration\u002Falgorithm etc.) with speakgoodchinese ? (an opensource project to help practice tone) http:\u002F\u002Fwww.speakgoodchinese.org\u002F…",{"value":169,"source":73,"evidence":170},"What is microphone access needed for?",[171],{"id":172,"by":173,"text":174},"21852705","d33","Didn't get past the microphone permission request. What is it needed for? It could be a good idea to first warn the user that it will be requested and how it will be used. Also,…",[176,183,190,197],{"value":177,"source":73,"evidence":178},"Glossika",[179],{"id":180,"by":181,"text":182},"21852315","claylimo","If someone wants to learn how to speak chinese, the best way IMO is to repeat and mimic the sound of a native speaker over and over again. I used Glossika (glossika.com) 3 or 4…",{"value":184,"source":73,"evidence":185},"Pimsleur",[186],{"id":187,"by":188,"text":189},"21852422","faitswulff","The Pimsleur Method inverts those phases and focuses on speaking and listening first. I've found it to be quite effective.",{"value":191,"source":73,"evidence":192},"Duolingo",[193],{"id":194,"by":195,"text":196},"21852338","bayesian_horse","Very interesting. Just because of the visualization I learned that my voice tends to have too much \"tremolo\" in the first tone and that I may be starting the third tone too low.…",{"value":198,"source":73,"evidence":199},"speakgoodchinese",[200],{"id":165,"by":166,"text":167},{"comments":202,"answered":47,"key":203},12,[204,207,210],{"id":205,"text":206},"21856326","Thanks for the feedback! We didn't realise this would pose such a problem. We've updated the website so it asks for microphone permission after people press the 'Record' button.",{"id":208,"text":209},"21858988","OK, could we please ask - did you access the website before we made the changes? If so - have you tried clearing your browser cache?",{"id":211,"text":212},"21861947","Thanks for letting us know - we've realised we were unclear with our initial correction: the modal that asks for mic permission and explains that all audio processing is done…",{"commenters":214,"max_depth":215,"maker_replies":202,"first_comment_mins":38,"lifespan_hours":216},88,10,99,[218,220,222,226,229,231,234,235,238,241,244,248,251,253,255,256,258,261,263,265,267,270,272,275,277,280,283,286,289,291,294,296,298,301,304,307,309,312,314,316,318,321,323,326,328,330,332,334,337,339,342,344,347,349,351,353,355,357,360,363,365,368,370,372,375,378,380,382,385,387,389,391,394,396,399,401,403,405,407,409,411,413,416,418,420,422,424,427,429,432,434,436,439,442,444,447,450,452,454,457,460,463,465,468,471,474,477,479,482,484,486,488,490,493,496,499,501,504,507,510,513,515,517,519,522,525,527,529,532,534,536,538,540,542,545,549,552,554,556,560,562,565,567,571,573,575,577,579,581,583,585,587,590,592,596,598,601,604,607,609,612,615,617,619,621,622,625,629,633,636,639,641,643,645,648,650,652,656,658,661,665,668,670],[115,40,42,219,116,40],"maker\u002Fcritical\u002Fdesign",[205,40,40,221,11,42],"maker\u002Fneutral\u002Fdesign",[223,40,42,224,225,40],"21857128","project\u002Fcritical\u002Fexecution","phyrex",[227,40,42,224,228,40],"21857742","unforeseen9991",[208,40,40,230,11,42],"maker\u002Fneutral\u002Fexecution",[232,40,42,224,233,40],"21861345","XOPJ",[211,40,40,230,11,42],[236,40,40,237,225,40],"21879647","commenter\u002Fneutral\u002Fexecution",[239,40,42,224,240,40],"21858961","kanwisher",[242,40,47,243,116,40],"21873185","project\u002Fmixed\u002Fdesign",[245,42,40,246,247,40],"21852241","other\u002Fneutral\u002Fnone","yomly",[249,42,40,246,250,40],"21852324","drchiu",[252,42,40,246,195,40],"21852346",[254,42,40,246,195,40],"21852382",[187,42,40,246,188,40],[257,42,40,246,195,40],"21852471",[259,42,40,246,260,40],"21852568","thaumasiotes",[262,42,40,246,195,40],"21862811",[264,42,40,246,188,40],"21852878",[266,42,40,246,97,40],"21852938",[268,42,40,269,195,40],"21862819","commenter\u002Fneutral\u002Fnone",[271,42,40,269,97,40],"21864782",[273,42,40,246,274,40],"21852428","dmix",[276,42,40,246,195,40],"21852496",[278,42,40,246,279,40],"21852606","skosch",[281,42,40,246,282,40],"21855288","xvilka",[284,42,40,246,285,40],"21853445","tgb",[287,42,40,246,288,40],"21854197","kilroy_jones",[290,42,40,246,274,40],"21854597",[292,42,40,246,293,40],"21854927","james_s_tayler",[295,42,40,246,274,40],"21856044",[297,42,40,246,293,40],"21859000",[299,42,40,246,300,40],"21856384","ximeng",[302,42,40,246,303,40],"21852554","jacobolus",[305,42,40,269,306,40],"21852714","EliRivers",[308,42,40,269,303,40],"21853032",[310,42,40,269,311,40],"21854286","tasogare",[313,42,40,269,303,40],"21854379",[315,42,40,269,195,40],"21862676",[317,42,40,269,303,40],"21854980",[319,42,40,269,320,40],"21855196","jaco8",[322,42,40,269,195,40],"21862722",[324,42,40,269,325,40],"21856271","comex",[327,42,40,269,303,40],"21857179",[329,42,40,269,195,40],"21862693",[331,42,40,269,306,40],"21857069",[333,42,40,269,195,40],"21862662",[335,42,40,269,336,40],"21852911","SpicyLemonZest",[338,42,40,269,303,40],"21852993",[340,42,40,269,341,40],"21853077","pas",[343,42,40,269,336,40],"21853178",[345,42,40,269,346,40],"21853218","yorwba",[348,42,40,269,300,40],"21855093",[350,42,40,269,346,40],"21855973",[352,42,40,269,300,40],"21856171",[354,42,40,269,195,40],"21862757",[356,42,40,269,303,40],"21865828",[358,42,40,269,359,40],"21854614","topmonk",[361,42,40,269,362,40],"21854634","dragonwriter",[364,42,40,269,303,40],"21854702",[366,42,40,246,367,40],"21854786","musicale",[369,42,40,246,303,40],"21854867",[371,42,40,269,195,40],"21862747",[373,42,40,269,374,40],"21854317","nilkn",[376,42,40,269,377,40],"21854574","flomble",[379,42,40,269,293,40],"21854859",[381,42,40,246,300,40],"21855075",[383,42,40,269,384,40],"21855306","usaar333",[386,42,40,269,195,40],"21862742",[388,42,40,269,195,40],"21862656",[390,42,40,269,260,40],"21852555",[392,42,40,269,393,40],"21853353","g_langenderfer",[395,42,40,269,195,40],"21862876",[397,42,40,269,398,40],"21853361","romaaeterna",[400,42,40,269,359,40],"21854641",[402,42,40,246,398,40],"21858563",[404,42,40,269,359,40],"21860019",[406,42,40,269,398,40],"21860438",[408,42,40,269,359,40],"21861202",[410,42,40,269,195,40],"21862872",[412,42,40,269,398,40],"21864051",[414,42,40,269,415,40],"21854211","jaredklewis",[417,42,40,269,195,40],"21862862",[419,42,40,269,293,40],"21854851",[421,42,40,269,195,40],"21862799",[423,42,40,269,293,40],"21863583",[425,42,40,269,426,40],"21854974","monoideism",[428,42,40,269,195,40],"21862844",[430,42,40,269,431,40],"21858931","lazyant",[433,42,40,269,195,40],"21862827",[435,42,40,246,93,40],"21852507",[437,42,40,269,438,40],"21854469","jhanschoo",[440,42,40,246,441,40],"21852541","jcampbell1",[443,42,40,246,247,40],"21853210",[445,42,40,269,446,40],"21852566","GordonS",[448,42,40,269,449,40],"21853529","natch",[451,42,40,269,247,40],"21859991",[453,42,40,246,438,40],"21854463",[455,38,42,224,456,40],"21854688","mshockwave",[458,47,40,246,459,40],"21852730","kenneth",[461,47,40,246,462,40],"21852760","baby",[464,47,40,246,459,40],"21852819",[466,47,40,246,467,40],"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