EmotionalPitchConversion

Tips of pitch conversion with Unity described in Japanese

Transcript

1. ΤϞ͍ϐονม׵ Roppongi.unity
2. ΤϞ͍ϐονม׵ ϐονͱ͸ Pitch : Իఔɻ৺ཧతͳ஋ɻ
 Իָݱ৔(ϨίʔσΟϯάɾϥΠϒɾֶߍͷ෦׆etc.)Ͱ͸Α͘࢖͏ݴ༿ɻ
 ɹɹɹྫ) ϐον͕ߴ͍ɺϐον͕߹͍ͬͯͳ͍ جຊप೾਺ɿϐονʹରԠ͢Δ෺ཧྔ [Hz]
 ਺ֶɾ෺ཧͷੈքͰ͸ͪ͜ΒΛ࢖͏ɻ ਓؒͷಛੑɿԻఔ2ഒ ≠ प೾਺2ഒ ࢀߟɿ෺ཧྔͱ৺ཧྔͱΛͭͳ͙ mel(ϝϧ) ͱ͍͏ई౓͕͋Δ
3. ΤϞ͍ϐονม׵ Ի཯ Ի཯ɿԻָʹ༻͍ΔԻߴͷ૬ରతͳؔ܎ͷجఈͰ͋Δ(by Wikipedia)
 →͋Δج४Իͷप೾਺ʹର͠ଞͷԻͷप೾਺ΛͲ͏ઃఆ͢Δ͔ͷϧʔϧɻ ୅දతͳԻ཯ ɾ७ਖ਼཯ɹɹɹɿશͯͷԻ͕؆୯ͳ੔਺ൺͰද͞ΕΔɻ࿨Իʹ͏ͳΓ͕ແ͍
 
 ɾϐλΰϥε཯ɿ׬શ5౓(υͱιͷؔ܎)Ͱ͋Δप೾਺ൺ3:2 Λ࿈ଓͰߦ͍
 ɹɹɹɹɹɹɹɹ֤Իͷൺ཰Λܭࢉ͢Δํ๏
 
 ɾதશԻ཯ɹɹɿ௕3౓(υͱϛͷؔ܎)͕७ਖ਼཯ʹͳΔΑ͏ʹ׬શ5౓Λগ͠ڱΊͨԻ཯
 
 ɾฏۉ཯ɹɹɹɿΦΫλʔϒΛج४ʹ12ԻΛ౳ִؒʹ෼ׂɻ
 ɹɹɹɹɹɹɹɹͭ·Γ൒Ի͸ج४Իʹ2ͷ12৐ࠜ㲈1.059Λ͔͚ͨ஋
 ɹɹɹɹɹɹɹɹ(ࢀߟ:ϐΞϊͷௐ཯ɿฏۉ཯+ௐ཯࢜͞Μͷඍௐ੔)
4. ΤϞ͍ϐονม׵ ૣૹΓɾר͖໭͠Ͱϐον͕มΘΔ ɾΧηοτςʔϓͷ͋Εʢ࣌୅஗Εʣ
 ɹɾͦ΋ͦ΋࠷ۙ͸ʮૣ໭͠ʯɻʮר͘ʯ΋ͷͳΜͯͳ͍ ݪཧɿ୯Ґ࣌ؒ͋ͨΓʹಡΈऔΔͷ೾ͷपظ͕૿͑Δ
 ɹ→प೾਺͕ߴ͘ͳΔ
 ɹ→Իఔ͕ߴ͘ͳΔ [ࢀߟ]σδλϧͰͷ࠶ݱɿ 1. α΢ϯυ༻ͷϦϯάόοϑΝΛ༻ҙ(DSP্ͳͲ) 2. ݱࡏ࠶ੜ͍ͯ͠ΔόοϑΝͷࢀরϙΠϯλΛ༻ҙ 3. όοϑΝΛnݸඈ͹͠ͰಡΈऔΕ͹nഒ଎
5. ΤϞ͍ϐονม׵ UNITY ͷϐονม׵ ɾAudioSource.pitch ɾ[-3.0f 3.0f] ͷൣғͰมߋ͕Մೳ(ج४͸1.0f) ɾม׵ॲཧ͸ΧηοτςʔϓͳͲͱಉ͡ݪཧ(ৄࡉ͸FMODΛղੳ͢Δඞཁ͋Γ) Α͋͘ΔSE࠶ੜϝιουྫ
6. ຊ౰ʹ͋Δൣғ಺ͷ
 ద౰ͳ஋ʹͯ͠େৎ෉ʁ
7. ΤϞ͍ϐονม׵ ҆ఆ ΍΍ ҆ఆ ҆ఆ ҆ఆ ҆ఆ ෆ҆ఆෆ҆ఆ ෆ҆ఆෆ҆ఆ ෆ҆ఆ ෆ҆ఆ ෆ҆ఆ ΍΍ ҆ఆ 2Ի໐Β͢৔߹ɺશମతʹׂͱෆ҆ఆ
 ˠෆڠ࿨ԻʹͳΓ΍͍͢
8. ΤϞ͍ϐονม׵ UNITY ͷϐονม׵ ɾ༧Ί࢖༻͢ΔԻʢεέʔϧͰ΋Մʣ
 ɹΛఆ͓ٛͯ͘͠ ɾϥϯμϜͰͲ͏ͯ͠΋ߦ͍͍ͨ৔߹
 ɹͦͷ࢖༻ՄೳԻͷத͔Βநબ
 
 ɾίϯϘͱ͔ʹؔ࿈͢ΔͳΒίϯϘ਺ʹ
 ɹԠͯ͡IndexΛΠϯΫϦϝϯτͤ͞Δ
9. ΤϞ͍ϐονม׵ ·ͱΊ ɾϐονͷมߋ͸ʮԻָతʯʹਖ਼͍͔͠Ͳ͏͔΋ඇৗʹॏཁͳ؍఺
 ɾ͏·͘ϐονม׵Λ࢖͑͹ૉࡐͷઅ໿ʹ΋ͳΔ 
 ɾ୯७ͳϐονมߋ͸࣌ؒ࣠΋มߋͯ͠͠·͏͜ͱΛ೦಄ʹ͓͘
 ɹɾ࣌ؒ࣠Λมߋ͠ͳ͍ϐονม׵͸ผ్α΢ϯυΤϯδϯΛར༻ or ԻݯΛ༧Ί༻ҙ ࢀߟɿ
 ϐονม׵ʹ͸Vocoder΍प೾਺ͱεϖΫτϥϜแབྷͷௐ੔Ͱߦ͏ํ๏΋͋ͬͨΓ͠·͢
10. ΤϞ͍ϐονม׵ ొஃऀ৘ใ Twitter: @8bitdots
 
 ɾεϚϗήʔϜ੡࡞ͷUnityΤϯδχΞ ɾήʔϜͱα΢ϯυେ޷͖ ࠓճͷσϞϓϩάϥϜɿ
 https://github.com/Cova8bitdots/SoundPitchTest