[{"data":1,"prerenderedAt":81},["ShallowReactive",2],{"tool-content-en-tone-generator":3},{"id":4,"title":5,"body":6,"description":71,"extension":72,"locale":73,"meta":74,"navigation":75,"path":76,"seo":77,"stem":78,"toolId":79,"__hash__":80},"tools\u002Ftools\u002Fen\u002Ftone-generator.md","Tone Generator",{"type":7,"value":8,"toc":66},"minimark",[9,14,35,57,60],[10,11,13],"h2",{"id":12},"how-the-tone-generator-works","How the tone generator works",[15,16,17,18,22,23,26,27,30,31,34],"p",{},"Press ",[19,20,21],"strong",{},"Play"," and the tone starts instantly, synthesized live with the Web Audio\nAPI. Drag the ",[19,24,25],{},"frequency"," slider, type an exact value in the box, or nudge it\nwith the ",[19,28,29],{},"−1 Hz \u002F +1 Hz"," and ",[19,32,33],{},"×½ \u002F ×2"," buttons. The nearest note name\n(equal temperament, A4 = 440 Hz) appears under the readout, so the tool doubles\nas a tuning reference.",[36,37,38,45,51],"ul",{},[39,40,41,44],"li",{},[19,42,43],{},"Presets"," jump straight to 40 Hz, 100 Hz, 440 Hz (concert A), or 1 kHz\n(reference tone).",[39,46,47,50],{},[19,48,49],{},"Waveform"," switches between sine (a pure tone), square, triangle, and\nsawtooth. Non-sine waves sound louder at the same gain, so the level is\ntrimmed automatically when you switch.",[39,52,53,56],{},[19,54,55],{},"Volume"," starts at a moderate 30%, and playback fades in and out so it never\nclicks when you start or stop.",[15,58,59],{},"Typical uses: tuning instruments, finding the resonant frequency of a room or an\nobject, testing how low your subwoofer goes or how high your tweeters reach, and\nchecking which frequencies you can still hear.",[15,61,62,65],{},[19,63,64],{},"Hearing and speaker safety."," Loud tones can damage both. Find a comfortable\nlevel with a 1 kHz tone first, then stay near it — especially in the high range,\nwhere turning the volume up to hear a faint tone is the easiest way to hurt your\nears. Nothing is recorded or uploaded; everything runs on your device.",{"title":67,"searchDepth":68,"depth":68,"links":69},"",2,[70],{"id":12,"depth":68,"text":13},"Generate sine, square, triangle, or sawtooth tones from 20 Hz to 20 kHz in your browser to tune instruments, test speakers, and check your hearing.","md","en",{},true,"\u002Ftools\u002Fen\u002Ftone-generator",{"title":5,"description":71},"tools\u002Fen\u002Ftone-generator","tone-generator","0lf5H5cQ-j5t6WuvhDIYw_j1Z0tzsQflOMbNXfFq2Dc",1792391421415]