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レポート「2017 Breakthroughs In Spatial Audio Technologies 」

Kutani Mio
December 21, 2017

レポート「2017 Breakthroughs In Spatial Audio Technologies 」

Kutani Mio

December 21, 2017
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  1. 2017 Breakthroughs In Spatial Audio Technologies
    ۝୩ɹඒੜ
    in Oculus Connect 4

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  2. ηογϣϯ֓ཁ
    • ॏཁͳ֓೦΍༻ޠΛཧղͨ͠ޙʹOculus͕։ൃͨ͠࠷
    ৽ͷΦʔσΟΦٕज़Λ঺հɻ
    • Near Field HRTF΍Volumetric Sound SourcesͷΑ͏ͳ
    ৽͍ٕ͠ज़΍πʔϧ͕ɺήʔϜ΍ΞϓϦΛମݧ͍ͯ͠
    Δਓʑͷ຅ೖײΛܶతʹ޲্ͤ͞Δखॿ͚Λ͢Δํ๏
    ʹ͍ͭͯઆ໌ɻ

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  3. Իͷڑ཭ײ
    • ௨ৗɺࣗ਎ͷࠨଆ͔Β໐ͬͨԻ
    ͸ӈࣖΑΓ΋ࠨࣖͷํʹૣ͘ಧ
    ͘ɻ͜ͷ྆ࣖؒ࣌ؒࠩ͸਺ϛϦ
    ඵͱͳΓɺ೴͕Իͷ஗ΕΛೝࣝ
    ͢Δͷʹ͸े෼ͳ஋ͱͳΔɻ
    • ͜ΕΛϔουϑΥϯͰ%ύϯ
    ͢Δ࣌ʹҰ൪͍ۙεϐʔΧʔ΁
    ύϯɺͭ·Γࠨʹ͚ͩύϯ͢Δ
    ͱɺඇৗʹෆշͳମݧͱͳΔɻ
    • 73Ͱ͸ɺ௨ৗͷεϐʔΧʔͰ
    ͸ߦΘͳ͍)35'Λ࢖༻ͯ͠%
    ΦʔσΟΦΛ࣮ݱ͢Δɻ

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  4. RiftͰͷVR Sound
    • 3JGUͰ͸ΦϒδΣΫτ͔Βௌ͜
    ͑ͯ͘ΔԻ͕ɺΦϒδΣΫτ͕
    ଘࡏ͢Δํ޲͔Βௌ͑ͯ͘͜Δ
    ༷ʹઃܭ͞Ε͍ͯΔɻ
    • ͨͩ͠ϓϨΠϠʔ͔ΒN͸཭
    Εͨͱ͜ΖʹԻΛஔ༷͘ʹઃܭ
    ͞Ε͍ͯͨɻ
    • ͜͜Ͱ͍͔ͭ͘ͷ՝୊͕ൃݟ͞
    ΕΔɻ

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  5. Near-Field HRTF
    • NҎ্཭Εͨͱ͜ΖʹԻΛஔ
    ͘ɺͱ͍͏੍ݶ͕͋ΔͱɺϓϨ
    ΠϠʔͷ಄ͷۙ͘ʹԻ͕͋ͬͨ
    ৔߹ ྫ͑͹΢ΟεύʔϘΠεɺ
    ి࿩౳
    ɺදݱ͖͠Εͳ͍ɻ
    • /FBS'JFME)35'Λ࢖༻͢Δ͜
    ͱͰɺ಄ͷۙ͘Ͱ໐͍ͬͯΔԻ
    Λ࠶ݱ͢Δ͜ͱ͕Ͱ͖Δɻ͜Ε
    ʹΑͬͯैདྷͷNҎ্཭Εͨ
    Ի΋ɺΑΓਖ਼֬ʹϞσϧԽ͕Մ
    ೳͱͳΔɻ

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  6. Volumetric Sound
    Sources
    • ݱ࣮ੈքͰ͸୯Ұͷ৔ॴ͔Βશ
    ͯͷԻ͕ฉ͑ͯ͘͜ΔΘ͚Ͱ͸
    ͳ͍ɻ Ի͕େ͖͍ୌͷԻ͕ฉ
    ͑ͭͭ͜ɺผͷํ޲͔Βਓͷ࿩
    ͠੠͕ฉ͑͜ΔͳͲ

    • 7PMVNFUSJD4PVOE4PVSDFT
    ͸σβΠφʔ͕α΢ϯυͷ൒ܘ
    Λࢦఆ͢Δ͜ͱͰɺ؆୯ʹԻΛ
    ϦΞϧʹදݱ͢Δ͜ͱ͕Ͱ͖Δ
    ༷ʹͳΔɻׂΓ౰ͯΔ൒ܘ͕େ
    ͖͍΄ͲɺԻ͕େ͖͘ͳΔɻ

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  7. Volumetric Sound
    Sources
    • ൒ܘʹۙͮ͘ʹͭΕͯɺԻ͸େ
    ͖͘ฉ͑͜Δɻ
    • ͜Ε͚ͩͰ͸εέʔϧײΛಘΔ
    ͜ͱ͸Ͱ͖ͳ͍͕ɺԻΛ.JY͢
    Δͷʹ͸ඇৗʹ໾ཱͭॏཁͳπʔ
    ϧͰ͋Δɻ

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  8. VR Soundͷॏཁੑ
    • 73։ൃऀʹରͯ͠ɺ4NVSEPO
    ࢯ͸ҎԼͷ༷ʹఏݴ͍ͯ͠Δɻ
    • ʮ։ൃαΠΫϧͷૣ͍͏ͪʹΦʔ
    σΟΦΛؚΊ͍ͯͬͨํ͕͍͍ɻ
    ࠓ·ͰͷήʔϜͱ͸ҧͬͯϓϨ
    ΠϠʔ͸౓ͷࢹքΛ࣋ͬͯ
    ͍·͢ɻΦʔσΟΦ͸ϓϨΠϠʔ
    ʹਖ਼͍͠ํ޲ΛݟͤΔखஈͱ͠
    ͯຊ౰ʹ໾ཱͪ·͢ɻΦʔσΟ
    Φ͸͜Ε·ͰҎ্ʹେ͖ͳ໾ׂ
    Λ࣋ͪɺՌ͍ͨͯ͠ΔͷͰ͢ɻʯ

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  9. VR Soundͷະདྷ
    • ݱࡏ͸3JGUͷα΢ϯυ։ൃνʔ
    Ϝ͸ɺα΢ϯυϦϑϨΫγϣϯ
    ͷ՝୊ʹऔΓ૊ΜͰ͍Δɻ
    • ࠓޙͷ734PVOEͷൃలʹΑͬ
    ͯɺݱ࣮ͷੈքͷΑ͏ʹ73Λ
    ײ͡Δ͜ͱ͕Մೳʹͳ͍ͬͯ
    ͘ɻ

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