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VTuberって知ってます?
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Taiju Aoki
September 27, 2018
Technology
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VTuberって知ってます?
Slides for M3 tech meetup #4
Taiju Aoki
September 27, 2018
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Transcript
VTuberͬͯͬͯ·͢ʁ @blue_1617
Who am I ‣ VTuber ͱ Emacs ͖ͷ৽ೖࣾһ ‣ େֶɾେֶӃͰVR/ARܥͷݚڀΛ͍ͯͨ͠աڈΛ࣋ͭ
‣ ిࢠΧϧςνʔϜظͷΤʔε Transcalibur: Weight Moving VR Controller for Dynamic Rendering of 2D Shape Using Haptic Shape Illusion blue (@blue_1617)
VTuberʢόʔνϟϧYoutuberʣͱ όʔνϟϧYouTuberͱ ओʹYouTube্Ͱಈըͷ৴׆ಈΛ ߦ͏ՍۭͷΩϟϥΫλʔ܈Λࢦ͢ͷʹ༻͍ΒΕΔݺশ
VTuberʢόʔνϟϧYoutuberʣͱ https://www.youtube.com/watch?v=NasyGUeNMTs&t=6s ʲࣗݾհʳ͡Ί·ͯ͠ʂΩζφΞΠͰ͢ ლ(´ڡ`ლ)
όʔνϟϧYoutuber ࢛ఱԦ ‣ όʔνϟϧYouTuberͷதͰಛʹΛूΊ͍ͯΔ5ਓ ‣ ࢛ఱԦ͚ͩͲ5ਓ͍Δ γϩ ً݄ ΩζφΞΠ ϛϥΠΞΧϦ
Ͷ͜·͢
اۀ × VTuber اۀ͕ࣗࣾͷPRͷͨΊʹެࣜVTuberΛੜΈग़͢͜ͱ https://www.youtube.com/channel/UCwRKt_raV3N5KZgxcFyC1vw ࢆௗϊϜެࣜYouTubeνϟϯωϧ ྸɿ119ࡀʢ1899ੜ·Εʣ ੑ֨ɿ΄ΜͷΓͱఱવ झຯɿՎ ಛٕɿՎ͏͜ͱɾ͏͜ͱ
͖ͳͷɿҿΈ ۤखͳͷɿࣹޫ
ҩྍ × VTuber ‣ VϝσΟΧϧςοτ ‣ ϝσΟΧϧͱݴ͍ͬͯΔ͕ҩྍཁૉ͋Μ·Γͳ͍
ࣄॴɾάϧʔϓ ‣ ਓؾͷVTuberࣄॴʹॴଐ͍ͯ͠Δ͜ͱ͕ଟ͍ ‣ ݸਓ׆ಈ => ק༠ => ࣄॴॴଐ ͷέʔε͋Δ
ݸਓͰͷ์ૹ ‣ ݸਓͰ׆ಈ͢ΔVTuberͷ΄͏͕વେଟ ‣ ਓؾʹͳΔͱاۀ͔ΒࠂΛཔ·ΕΔ͜ͱ͋Δ
৴ഔମ όʔνϟϧ **Youtuber** ͱݴ͍ͬͯΔ͕ɺͦͷ׆ಈॴ Youtube͚ͩͰͳ͍ Mirrative Showroom
৴ഔମ όʔνϟϧ **Youtuber** ͱݴ͍ͬͯΔ͕ɺͦͷ׆ಈॴ Youtube͚ͩͰͳ͍ Cluster. ࡶࢽ
͔͜͜ΒTech Talk
ͳΕΔʂVTuber ‣ VΧπ + OculusRift Λͬͯ ΞόλΛ࡞ ‣ Hand Tracker
+ Voice Changer Λͬͯ VTuber తͳಈ͖Λͯ͠Έͨ VΧπ: http://vkatsu.jp https://twitter.com/blue_1617/status/1025397447701319681
։ൃڥʢϋʔυʣ Oculus, HTC Vive ͷ2ڧ VR ReadyͷPCඞਢ ɾGeForce GTX 970
ɾWindowsʢ͜Εॏཁʣ ɾHand Tracker ɾPosition Tracking (HTC Vive) ˇ150,000 yen ˇ60,000 ~ 70,000 yen
։ൃڥʢιϑτʣ Open Broadcaster Software Unityඞਢ Youtube৴ʹඞਢ ɾը໘ΩϟϓνϟϦϯά ɾVR Engine ɾGUI
+ Script ɾଞπʔϧͱͷ࿈ܞ ˇ0 yen ˇ0 yen ɾੜ์ૹͳͲʹ༻
։ൃڥʢ྿Ձ൛ʣ Oculus Go iPhoneX ɾARػೳ͕ॆ࣮ ɾδϟΠϩͱՃηϯαࡌ ɾதAndroid ɾFace Track͕σϑΥϧτ ɾҰ෦VTuber͜Ε͚ͩ༻
ˇ30,000 yen ˇ120,000 yen
Ϟʔγϣϯ ‣ શΛTracking͢ΔͷʢHigh Costʣ ‣ إͷಈ͖ͷΈΛTracking͢ΔͷʢLow Costʣ Full Body Tracking
Face Tracking
Ϟʔγϣϯ https://www.youtube.com/watch?v=C8TZY5oAFEY ʲ18/02/22์ૹʳͱ͖ͷͦΒͷɺʹΌΜʹΌΜ♪ʹΌ·์ૹʲ#ೣͷʳ Body Motion Tracking શʹηϯαΛ͚ͭͯੜ์ૹΛߦ͍ͬͯΔVTuber͍Δ
Ϟʔγϣϯ Body Motion Tracking OculusGo͚ͩͰΞόλΛಈ͔ͯ͠Έͨ ڸʹө͍ͬͯΔ δϟΠϩηϯα͔͠ࡌͯ͠ͳ͍ͷͰɺ ମͱͷڑ͕Θ͔Βͳ͍ IKʢٯӡಈֶʣΛղ͘͜ͱͰɺͷҐஔ ΛܭࢉͰ͖Δ
Ξόλͷͷઌͱɺίϯτϩʔϥͷಈ͖ Λಉظͤͨ͞ https://twitter.com/blue_1617/status/1012348306167484416
Ϟʔγϣϯ Face Tracking https://www.youtube.com/watch?v=ZsQ0gMxJlA8 ݄ϊඒ㙽ͷެࣜχίੜলձʲࡶஊʳ إͷಛΛநग़͠ɺTrackingΛߦ͍ͬͯΔ
Ϟʔγϣϯ Face Tracking FaceRigͱ͍͏ΞϓϦΛ༻͍ͯΈͨ VTuberͱͯ͠ɺҰ൪ίεύ͕͍͍ إͷಛͷมԽʢҠಈྔʣΛ ͯ͠ɺΞόλͷϞʔϑʢදʣΛมԽ
Ϟʔγϣϯ LipSync https://www.youtube.com/watch?v=vk0FypceXJw Oculus Lip Sync SDK for Unity5 ৶ͷಈ͖ʹಛԽͨ͠Motion
Tracking ಛϕʔεͰͳ͘ɺԻʢԻʣΛೝࣝͯ͠ Ξόλͷ৶Λมܗ͍ͤͯ͞Δ
Ϟʔγϣϯ LipSync UnityʹSDKΛΈࠐΜͰࢼͯ͠Έͨ දͱԻΛରԠ͍ͤͯ͞Δ https://twitter.com/blue_1617/status/1012701841753165824
ϘΠε Voice Change https://www.youtube.com/watch?v=geP4hCu8H0o&t=3s ΑΓ͵͖ϚάϩφͪΌΜ #00 ͓ͬ͞ΜϘΠενΣϯδϟʔΛͬͯඒগঁʹͳΔͷͩ
ϘΠε ɾPitch ͱ Formant ΛมߋՄೳ ɾϦΞϧλΠϜม͕Մೳ Tweet URL : http://www.geocities.jp/moe_koigoe/koigoe/koigoe.html
࿀ : SOUND ONLY Voice Change ͚ͩඒগঁʹͳͬͯΈͨ ʮ࿀ʯͱ͍͏ιϑτΛ༻ https://twitter.com/blue_1617/status/1018512925433028614
Ұ௨ΓͬͯΈͨײ ཁૉٕज़ͷ͔ͨ·Γ VTuber͍͢͝ ΊͬͪΌָ͍͠ ‣ Body / Face Tracking, Իೝࣝ
/ ม, ֤छπʔϧ ‣ ౷߹࣮ͯ͠ߦ͢Δͷඇৗʹ͍͠ ‣ มئ͕ຬͨ͞ΕΔʢϓϦΩϡΞʹͳΓ͍ͨʣ ‣ VRChatͳͲͰͷଞਓͱͷަྲྀ͕͋Δ ‣ TechͰ͕ΜͬͯΔํৗʹ࠷৽ͷٕज़ͬͯͯੌ͍ ‣ Tech͕࣮ݱͰ͖ͯɺYoutubeʹߘͰ͖Δ༰͕ͳ͍