[B! music][ruby] ooooooooのブックマーク

サクサク読めて、アプリ限定の機能も多数！アプリで開くはてなブックマーク閉じる ●はてなブックマークって？●アプリ・拡張の紹介●ユーザー登録●

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Sonic Pi - The Live Coding Music Synth for Everyone

● 127 users ● sonic-pi.net ●テクノロジー Experience the sound of code. Sonic Pi is your free code-based music creation and performance tool. Powerful for professional musicians and DJs. Expressive for composition and performance. Accessible for blind and partially sighted people. Simple for computing and music lessons. Learn to code creatively by composing or performing music in an incredible range of styles from Classical & Jazz to Hip

oooooooo 2014/09/22

●ruby ●music リンク

Route 477(2007-09-23)

● 2 users ● route477.net ●テクノロジー ■ [ruby] 歌えPC require 'Win32API' def beep(freq, dur) Win32API.new('kernel32', 'Beep', %w(i i), "i").call(freq, dur) end FREQ_TBL = { "a" => 0, "a+" => 1, "b" => 2, "c" => 3, "c+" => 4, "d" => 5, "d+" => 6, "e" => 7, "f" => 8, "f+" => 9, "g" => 10, "g+" => 11, } def freq_oct(oct) 440 * (2**(oct-4)) end def freq_of(onp, oct) return 50 if onp == "r" oct-=1 unless %w(a a+ b- b).include? onp unit = (fr