Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Scalaで自動作曲の練習 / A study of automatic composition in Scala
Search
aereal
September 14, 2017
Programming
1
390k
Scalaで自動作曲の練習 / A study of automatic composition in Scala
aereal
September 14, 2017
Tweet
Share
More Decks by aereal
See All by aereal
How to send distibuted traces to Datadog using build own OpenTelemetry-Lambda distribution
aereal
3
150
好きな技術《コト》で、 生きていく技術 / life with what you like
aereal
5
1.8k
qron: Cloud Native Cron Alternativeの今
aereal
2
1.7k
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
3
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
17k
ScalaとPerlでMicroservices in production / Building microservices with Perl and Scala in production
aereal
0
5.3k
Other Decks in Programming
See All in Programming
みんなのオブザーバビリティプラットフォームを作ってるんだがパフォーマンスがやばい #mackerelio #srenext
ne_sachirou
0
370
さきがけから振り返るアーキテクチャ刷新 / Reflecting on the Architectural Renewal from the Vanguard
nrslib
2
770
Polarsの成長: v0.14からv1.0までの変遷と今後の展望
zerebom
1
350
Composing an API the *right* way (Droidcon Berlin 2024)
zsmb
1
450
ピグパーティにおけるMongoDB CommunityバージョンからAtlasへの移行事例
10969hotaka
0
130
SRE チーム立ち上げ前に考えたこと・取り組んだこと / Considerations and Preparations Before Establishing an SRE Team
mackey0225
3
320
20240706_CDKConf
takuyay0ne
0
1.2k
わかりやすい正解を捨てて、コトに向き合う - スクラムフェス金沢2024 スポンサーセッション
yusukekokubo
0
170
Rubyのパフォーマンスプロファイリングの改善 / Enhancing performance profiling for Ruby
osyoyu
1
410
3 Effective Rules for Success with Signals in Angular
manfredsteyer
PRO
0
120
Namespace on read
tagomoris
2
370
Webエディタライブラリ 「CodeMirror」から学ぶ Webアプリ開発のテクニック
ryosukeigarashi
0
250
Featured
See All Featured
Reflections from 52 weeks, 52 projects
jeffersonlam
346
19k
Stop Working from a Prison Cell
hatefulcrawdad
266
20k
Happy Clients
brianwarren
94
6.5k
Mobile First: as difficult as doing things right
swwweet
219
8.8k
Facilitating Awesome Meetings
lara
46
5.8k
YesSQL, Process and Tooling at Scale
rocio
166
14k
Practical Orchestrator
shlominoach
185
10k
Speed Design
sergeychernyshev
9
270
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
26
1.8k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
129
32k
Bootstrapping a Software Product
garrettdimon
PRO
304
110k
How GitHub Uses GitHub to Build GitHub
holman
471
290k
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