{"ok":true,"trend":{"id":430939,"platform":"mastodon","region":"global","key":"when i built a piano reference for the browser, i found it easy to put three different numbers into... # javascript # we","title":"When I built a piano reference for the browser, I found it easy to put three different numbers into... # javascript # we","url":"https://www.urbanmind.net/display/f7dd981d-31c6e6d0-d25df79a8623ec5c","first_seen":"2026-09-30T02:33:08.116789Z","last_seen":"2026-09-30T02:33:08.116789Z","last_rank":5,"peak_rank":5,"last_volume":2,"peak_volume":2,"seen_count":1,"score":0.52046875,"category_hint":"music","section":"culture","category":"music","summary":"A developer who built a piano reference tool for the browser found it simple to mix up three different numbering systems: piano key numbers, MIDI note numbers, and frequencies. The JavaScript-based reference clarifies the differences for programmers and musicians working on web audio projects, and it is drawing attention in coding and music communities.","why":"Developers building music or web audio tools often confuse these numbering systems, so a clear reference fills a real gap.","tone":"neutral","entities":["JavaScript","MIDI","piano"],"summarized_at":"2026-09-30T02:34:42.041568Z","meta":{"tag":"music","via":"scan","kind":"status","lang":"en","instance":"mastodon.social","tag_uses":1827},"nw":null,"promo":null,"kind":null,"importance":null,"hidden":false,"hide_reason":null,"judged_at":null,"title_en":"Browser piano reference highlights clashing note numbering systems","section_name":"Culture","category_name":"Music","timeline":[{"captured_at":"2026-09-30T02:33:08.116789Z","rank":5,"volume":2}],"posts":[{"platform":"mastodon","url":"https://www.urbanmind.net/display/f7dd981d-31c6e6d0-d25df79a8623ec5c","author":"hackaday@www.urbanmind.net","title":null,"snippet":"When I built a piano reference for the browser, I found it easy to put three different numbers into... # javascript # webdev # music # software # coding # development # engineering # inclusive # community Piano key number vs. MIDI note number vs. frequency: a JavaScript reference","posted_at":"2026-09-30T01:34:18Z","likes":2}],"elsewhere":[],"window":"7d"}}