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Inside mml2wav.rb
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HORINOUCHI Masato
February 16, 2016
Technology
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83
Inside mml2wav.rb
社内LT大会 0x64物語 #05 Number 資料
HORINOUCHI Masato
February 16, 2016
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Transcript
Inside mml2wav.rb 2016/02/16 0x64 Tales #05 Number Livesense Inc. HORINOUCHI
Masato
σϞ • εϖϥϯΧʔ ϝΠϯςʔϚ ΄͛ • spelunker.wav • h0p:/ /lifecycle.s165.xrea.com/mml1.html
͔ΒҾ༻ • FF4 ௨ৗઓಆۂ • ff4_bu0le.wav • h0p:/ /www.geociDes.jp/Dfa_adiru/57ff4 ͔ΒҾ༻
MML ઌఔͷԻσϞͷ MML 1. T120 V15 O4 L4 R CDEF
GAB>C< R C1& C1 F1& F1 G1& G1 2. T120 V15 O4 L4 R C1& C1& R R4E2.& E1 R4A2.& A1 R4B2.& B1 3. T120 V15 O4 L4 R R1 R1 R R2G2& G1 R2>C2& C1 R2D2& D1 track 1ʙ3 Ͱಉ࣌ൃԻ 3 ͱͳΔ ← ޡ༻͚ͩͲ͍ΘΏΔ 3Իɻ
ػೳ (1) • ྔࢠԽϏοτ: 8bit / 16bit • αϯϓϦϯάप: 8kHz
/ 44.1kHz / 48kHz (ҙมߋՄ) • ܗ: ਖ਼ݭ / ϊίΪϦ / ۣܗ
ػೳ (2) • ղೳ(ppq): 48 / 96 / 480 (ҙมߋՄ)
• τϥοΫ: ແݶ (ੑೳґଘ) • εςοϓ: ແݶ (ੑೳґଘ) • Իߴ: A440 / A442 / A444 (ҙมߋՄ) • Ի: 12ฏۉ / ७ਖ਼
Ͱ͖ͳ͍͜ͱ • εςϨΦग़ྗ • ࡾ֯ • Τϯϕϩʔϓ • ϊΠζग़ྗ •
σϡʔςΟʔൺมߋ
ରԠίϚϯυ • MML ͷओͳίϚϯυ΄ͱΜͲରԠɻ • O > < • C
D E F G A B + - • R • [0-9]+ (ࣈ) . (dot) • T L V Q &
ॲཧϑϩʔ 1. MML → ؆қ MIDI γʔέϯεσʔλʹม • note number
/ step5me / gate5me / velocity 2. γʔέϯεσʔλ → -1.0 ʙ 1.0 ͷܗσʔλʹม 3. τϥοΫຖͷܗσʔλΛ߹ 4. ߹ޙͷܗσʔλΛ WAV ʹΤϯίʔυ
·ͱΊ • MML ͷύʔε؆୯ɻ • ֤ॲཧΛநԽ͢ΔͱɺػೳΛޙ͚͍͢͠ɻ • ͦͷͨΊ࠷దԽ͕͞Ε͓ͯΒͣॲཧ͕Ͱॏ͍ɻ • ΑΓਖ਼֬ʹγʔέϯεԽ͢Δͱ
.mid ͷมͰ͖Δ༧ײɻ • ςʔϚ͔Βܹ͘͠ઢͨ͠ɻ • ͱ͍͑ͱָͯ͠ΊͨͷͰେຬɻ
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠