Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
Scalaで自動作曲の練習 / A study of automatic compositio...
Search
aereal
September 14, 2017
Programming
390k
1
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Scalaで自動作曲の練習 / A study of automatic composition in Scala
aereal
September 14, 2017
More Decks by aereal
See All by aereal
盆栽転じて家具となる / Bonsai and Furnitures
aereal
0
7.6k
How to send distibuted traces to Datadog using build own OpenTelemetry-Lambda distribution
aereal
3
380
好きな技術《コト》で、 生きていく技術 / life with what you like
aereal
5
7.4k
qron: Cloud Native Cron Alternativeの今
aereal
2
3.4k
自動作曲入門 / introduction to programatic music composition
aereal
1
530k
はてなブログ タグとCDK / The epic of AWS CDK and Hatena Blog Tag
aereal
2
200k
はてなブログ タグの技術選択 / The technical details of Hatena Blog Tag
aereal
3
200k
ブログサービスのHTTPS化を支えたAWSで作るピタゴラスイッチ / The construction of large scale TLS certificates management system with AWS
aereal
3
400k
AWSではてなブログの常時HTTPS配信をバーンとやる話 / The Epic of migration from HTTP to HTTPS on Hatena Blog with AWS
aereal
14
19k
Other Decks in Programming
See All in Programming
Verilogで学ぶCPU自作入門
uyuki234
8
4.2k
[2026-10-09]一枚の布で作らなくてもいい。 信頼性は「パッチワーク」で紡がれる~既存の運用と新しい可能性をつなぎ合わせてきたCREの話~
tosite
0
110
sbt 2.0: takeoff
eed3si9n
0
170
Next.js: The final boss of Web Performance
guaca
0
310
[2026-10-14](C)Re:ゼロから始める異世界生活〜始まりの終わりと終わりの始まり〜
tosite
0
140
Agentic Software Factoryに、すごく賢いIF文を。 / super smart IF statement into the Agentic Software Factory.
rkaga
8
2.3k
作って学ぶSpring BootのAuto Configuration / JJUG Night Seminar 2026-10-19
rshindo
0
200
なぜCTOを降りてFDEを選んだのか?〜なぜプロダクト企業がFDEで顧客の現場に踏み込むのか〜
gonta
1
230
當我們開始不讀 Code - AI Agent 時代,Code Review 與 Clean Code 還剩下什麼?
jame2408
1
290
AWS CDKのカスタムリソースでContinuum(旧Security Agent)を実装した話 | Implementing Continuum (formerly Security Agent) via AWS CDK Custom Resource
akihisaikeda
2
160
あなたの await、OS まで届いてる? strace で覗く JavaScript の非同期
hasutosasaki
1
120
JIS keyboard support in Omarchy
lef237
0
150
Featured
See All Featured
Tell your own story through comics
letsgokoyo
1
1.1k
Building Applications with DynamoDB
mza
96
7.2k
SEO for Brand Visibility & Recognition
aleyda
0
4.8k
Practical Orchestrator
shlominoach
192
12k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
9
1.6k
Heart Work Chapter 1 - Part 1
lfama
PRO
10
37k
Hiding What from Whom? A Critical Review of the History of Programming languages for Music
tomoyanonymous
3
1.4k
What does AI have to do with Human Rights?
axbom
PRO
1
2.5k
Java REST API Framework Comparison - PWX 2021
mraible
34
9.8k
Lessons Learnt from Crawling 1000+ Websites
charlesmeaden
PRO
1
1.6k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
162
16k
Gemini Prompt Engineering: Practical Techniques for Tangible AI Outcomes
mfonobong
2
590
Transcript
ScalaͰ ࣗಈ࡞ۂͷ࿅श id:aereal
ࠓ͢͜ͱɾͶΒ͍ • ݹయతͳ࡞ۂͷϝιουͷհ • ͍ΘΏΔʮΫϥγοΫԻָʯͷ࡞Γํ • ↑ΛScalaͰ࣮ͨ͠ • ૉͳ࣮Λఏࣔͯ͠ɺ Իָͷߏɾϧʔϧͷ͓͠Ζ͞Λͬͯ΄͍͠
ࠓ͞ͳ͍͜ͱ • ϙϐϡϥʔԻָɾδϟζͳͲΑΓۙతͳԻָͷख๏ • ટ๏ (Ϟʔυ)ɺແௐ • ͦͷଞ͍Ζ͍Ζ͋Δख๏ɾϧʔϧ • ָث๏
(orchestration) • ͳʹ͔ͷ͔͍͍ͬ͘͢͜͝όʔϯͱ͍ͬͯΔײ
Ϟνϕʔγϣϯ • WebɾจࣈྻͬΆ͍ϓϩάϥϛϯά͔ΒΕͯΈ͍ͨ • ͳΜͱͳ͘ػցֶशͱੑߴͦ͏ • Scalaॻ͖͍ͨ • ࢥߟΛίʔυʹམͱ͠ࠐΉ࿅श
ࣗಈ࡞ۂͷৄ͍͠ࣄྫ • ͍Ζ͍Ζจͱ͔͋Δ • ౦ژज़େֶͷਓͱ͔͕จΛ͍Ζ͍Ζॻ͍͍ͯΔ • ύοέʔδιϑτΣΞച͍ͬͯΔ
github.com/aereal/music-study
࡞ۂ? • ͷ͍͘͢͝͠ͷͰ? • ͍͢͝ਓ͕ײੑΛۦͯ͠ર͖ͱڞʹΤΠοͱΔ? • ࣗಈ࡞ۂͬͯͳΜ͔ͷ͍͢͝ϊΠζ·ΈΕͳͷͰ?
ݹయతͳԻָͷߏཁૉ • ટ (melody) • (harmony) • ಈ (rhythm)
ݹయతͳԻָͷߏཁૉ • ͋Δ࣌Ͱ໐͍ͬͯΔԻָ = (melody, harmony, rhythm) • Θ͔͖ͬͯͨ
• ໐Βͯ͠Α͍Իͷू߹ΛఆΊΔϧʔϧ • → ટӨڹΛड͚Δ • ίΞυϝΠϯͬΆ͍!
• ໐Βͯ͠Α͍ԻͷϨΠΞτΛܾΊΔϧʔϧ • ਫฏ: ͋ΔԻͷ࣍ʹ໐ͬͯΑ͍Ի? • ௐ (key), Ի֊
(scale) • ਨ: ͋ΔԻͱಉ࣌ʹ໐ͬͯΑ͍Ի? • = Ի (chord)
ௐ (key) ͱԻ֊ (scale) • Ի֊: ԻΛԻߴॱʹฒͨྻ • ྫ: υϨϛϑΝιϥγυ
• ௐ: த৺Իͱؔ࿈͚
Ի֊ (major scale) 2 2 2 2 2 1 1
Ի֊ (minor scale) 2 2 2 2 2 1 1
ͭ·Γ? • Ի֊ɺج४ͱͳΔԻͱɺԻͷͱɺͷൺ͔ΒͳΔ • →ج४ͱͳΔԻΛ༩͑ΕੜͰ͖Δ
Ի • ҟͳΔߴ͞ͷԻ͕ಉ࣌ʹ໐͍ͬͯΔঢ়ଶ • 3ͭͷԻ͔ΒͳΔࡾԻ (triad) ͕جຊ
ࡾԻ (major triad) 4 7
ࡾԻ (minor triad) 3 7
ͭ·Γ? • Իͷੑ࣭ = ԻΛߏ͢ΔԻͷൺ • ࠜԻ (root; Ұ൪ԼͷԻ) ͱͷൺͰنఔ͞ΕΔ
• → ࠜԻͱԻͷੑ࣭Λ༩͑ΔͱੜͰ͖Δ
ػೳ • ͬ͘͟Γݴ͏ͱɺݱࡏͷঢ়ଶ͔Β࣍ʹͲͷԻʹਐߦͯ͠ Α͍͔ఆΊͨϧʔϧू • ԻͦΕͧΕʹػೳ͕͋Δͱߟ͑ͯɺ ͦͷػೳʹΑͬͯذ͢Δ • ྫ: ͜ͷԻۓு͢ΔͷͰΑΓϦϥοΫεͰ͖ΔԻ
• ίʔυΛݟ·͢
σϞ
ল • ࠷ॳ͔Βಈ͘ͱ͜Ζ͔Β࡞ΔͱΑ͔ͬͨ…… • ཧతͳͱ͜Ζ (प) ͔Β࡞͍ͬͯͬͨͷΑ͘ͳ͔ͬ ͨ • ͷਫ਼……
ࠓޙͷల • Web Audioͱ݁߹ͯ͠Ի໐Β͍ͨ͠ • ટͷੜ → ͠ΐ΅͍͍ͯ͘ͳΒ͙͢ʹͰ͖ͦ͏