[{"data":1,"prerenderedAt":250},["ShallowReactive",2],{"docs-nav-en":3,"docs-page-en-getting-started":49},[4,9,13,17,21,25,29,33,37,41,45],{"slug":5,"nav":6,"order":7,"draft":8,"fallback":8},"index","Overview",1,false,{"slug":10,"nav":11,"order":12,"draft":8,"fallback":8},"getting-started","Getting started",2,{"slug":14,"nav":15,"order":16,"draft":8,"fallback":8},"tuning-guide","Tuning a whole instrument",3,{"slug":18,"nav":19,"order":20,"draft":8,"fallback":8},"instruments","Instruments",4,{"slug":22,"nav":23,"order":24,"draft":8,"fallback":8},"sessions","Sessions and passes",5,{"slug":26,"nav":27,"order":28,"draft":8,"fallback":8},"calibration","Calibration",6,{"slug":30,"nav":31,"order":32,"draft":8,"fallback":8},"beating-curves","Beating curves",7,{"slug":34,"nav":35,"order":36,"draft":8,"fallback":8},"reports","Tuning reports",8,{"slug":38,"nav":39,"order":40,"draft":8,"fallback":8},"settings","Settings",9,{"slug":42,"nav":43,"order":44,"draft":8,"fallback":8},"troubleshooting","Troubleshooting",10,{"slug":46,"nav":47,"order":48,"draft":8,"fallback":8},"faq","FAQ",11,{"data":50,"body":54,"toc":236},{"title":11,"description":51,"nav":11,"order":12,"eyebrow":52,"lede":53},"","Documentation","Installing SmeggTuner, placing a microphone, and getting a first reading out of it.",{"type":55,"children":56},"root",[57,66,72,85,92,97,103,115,121,133,145,151,156,161,167,186,192,197,203,215,220,225,231],{"type":58,"tag":59,"props":60,"children":62},"element","h2",{"id":61},"installing",[63],{"type":64,"value":65},"text","Installing",{"type":58,"tag":67,"props":68,"children":69},"p",{},[70],{"type":64,"value":71},"Take the build for your system from the downloads section. On Linux the AppImage\nneeds no installation: mark it executable and run it. The deb and rpm packages\nregister the app with your desktop in the usual way. Windows has an installer.",{"type":58,"tag":67,"props":73,"children":74},{},[75,77,83],{"type":64,"value":76},"There is ",{"type":58,"tag":78,"props":79,"children":80},"strong",{},[81],{"type":64,"value":82},"no macOS build yet",{"type":64,"value":84},". The Mac port is written, but building and\nnotarising it needs Mac hardware.",{"type":58,"tag":86,"props":87,"children":89},"h3",{"id":88},"permissions",[90],{"type":64,"value":91},"Permissions",{"type":58,"tag":67,"props":93,"children":94},{},[95],{"type":64,"value":96},"SmeggTuner needs access to an audio input device. On Linux that is usually\nnothing more than being in the right group; on Windows and macOS the system asks\nthe first time you press Start.",{"type":58,"tag":59,"props":98,"children":100},{"id":99},"choosing-a-microphone",[101],{"type":64,"value":102},"Choosing a microphone",{"type":58,"tag":67,"props":104,"children":105},{},[106,108,113],{"type":64,"value":107},"Almost any microphone will do, and this is the part people overspend on. You are\nmeasuring ",{"type":58,"tag":78,"props":109,"children":110},{},[111],{"type":64,"value":112},"frequency",{"type":64,"value":114},", not recording an album, and a cheap dynamic microphone\nmeasures frequency exactly as accurately as an expensive condenser. Sensitivity,\nnoise and tone do not enter into it. A plain dynamic mic plugged straight into\nthe sound card is the sensible default.",{"type":58,"tag":86,"props":116,"children":118},{"id":117},"placement-matters-more-than-the-microphone",[119],{"type":64,"value":120},"Placement matters more than the microphone",{"type":58,"tag":67,"props":122,"children":123},{},[124,126,131],{"type":64,"value":125},"Put the microphone ",{"type":58,"tag":78,"props":127,"children":128},{},[129],{"type":64,"value":130},"on the same side of the accordion as the reeds you are\nmeasuring",{"type":64,"value":132},": keyboard side for the treble, bass side for the bass. If two reeds\nsound together and the microphone favours one of them, the quieter one is\nmeasured worse, and that is a real loss of accuracy.",{"type":58,"tag":67,"props":134,"children":135},{},[136,138,143],{"type":64,"value":137},"Get it ",{"type":58,"tag":78,"props":139,"children":140},{},[141],{"type":64,"value":142},"under half a metre",{"type":64,"value":144}," from the instrument. Closer means the reed is\nlouder relative to everything else in the room, and that is the whole game.",{"type":58,"tag":86,"props":146,"children":148},{"id":147},"turn-off-the-microphones-own-processing",[149],{"type":64,"value":150},"Turn off the microphone's own processing",{"type":58,"tag":67,"props":152,"children":153},{},[154],{"type":64,"value":155},"This is the one that quietly ruins measurements. Many microphones and sound\ncards ship drivers with echo cancellation, noise suppression, stereo\nenhancement, directional processing or their own hum filter. All of them deform\nthe signal, and a deformed signal cannot be measured. Turn them off in the\noperating system.",{"type":58,"tag":67,"props":157,"children":158},{},[159],{"type":64,"value":160},"Boost, gain, volume and balance are fine. They change the level, not the shape.",{"type":58,"tag":59,"props":162,"children":164},{"id":163},"levels",[165],{"type":64,"value":166},"Levels",{"type":58,"tag":67,"props":168,"children":169},{},[170,172,177,179,184],{"type":64,"value":171},"SmeggTuner does not ride the gain for you. It watches the level and tells you\nwhen it is wrong: ",{"type":58,"tag":78,"props":173,"children":174},{},[175],{"type":64,"value":176},"Too loud",{"type":64,"value":178}," means the signal is clipping and the reading will\nsuffer, ",{"type":58,"tag":78,"props":180,"children":181},{},[182],{"type":64,"value":183},"Too quiet",{"type":64,"value":185}," means the reed is not clearly above the room. Set the level\nin your system mixer until neither shows, and leave it.",{"type":58,"tag":86,"props":187,"children":189},{"id":188},"hum",[190],{"type":64,"value":191},"Hum",{"type":58,"tag":67,"props":193,"children":194},{},[195],{"type":64,"value":196},"If your reading wanders by a hertz or so with nothing playing, that is mains hum\nfrom the power supply, picked up by the microphone. It lands near 49, 58 and\n62 Hz, so it can even be detected as a note. Turn on the 50 Hz filter (Europe) or\n60 Hz filter (North America) in Settings and it goes away.",{"type":58,"tag":59,"props":198,"children":200},{"id":199},"a-first-reading",[201],{"type":64,"value":202},"A first reading",{"type":58,"tag":67,"props":204,"children":205},{},[206,208,213],{"type":64,"value":207},"Press Start and ",{"type":58,"tag":78,"props":209,"children":210},{},[211],{"type":64,"value":212},"keep the instrument quiet for about five seconds",{"type":64,"value":214},". The tuner\nprofiles the room's background noise, and anything playing during that window\ngets learned as background and then ignored. If you played through it by\naccident, stop, wait, and start again.",{"type":58,"tag":67,"props":216,"children":217},{},[218],{"type":64,"value":219},"Then play one note and hold it with steady bellows pressure. The reeds need about\nthree seconds. The note strip shows what the app thinks you played, the spectrum\nshows the tone it locked on to, and a value box appears per reed. When the\nreading is stable it locks, and the tuner stops jumping to other notes for as\nlong as that note sounds.",{"type":58,"tag":67,"props":221,"children":222},{},[223],{"type":64,"value":224},"Play at the pressure the instrument is actually played at. Pressure moves pitch:\nlean on the bellows and the reed goes flat.",{"type":58,"tag":59,"props":226,"children":228},{"id":227},"where-to-go-next",[229],{"type":64,"value":230},"Where to go next",{"type":58,"tag":67,"props":232,"children":233},{},[234],{"type":64,"value":235},"The tuning guide walks a whole instrument end to end. If you have never tuned a\nmusette before, read the vocabulary on the overview page first: the words carry a\nlot of weight here, and the rest of the docs assume them.",{"title":51,"searchDepth":12,"depth":12,"links":237},[238,241,245,248,249],{"id":61,"depth":12,"text":65,"children":239},[240],{"id":88,"depth":16,"text":91},{"id":99,"depth":12,"text":102,"children":242},[243,244],{"id":117,"depth":16,"text":120},{"id":147,"depth":16,"text":150},{"id":163,"depth":12,"text":166,"children":246},[247],{"id":188,"depth":16,"text":191},{"id":199,"depth":12,"text":202},{"id":227,"depth":12,"text":230},1784488007325]