2017 Breakthroughs In Spatial Audio Technologies୩ɹඒੜin Oculus Connect 4
View Slide
ηογϣϯ֓ཁ• ॏཁͳ֓೦༻ޠΛཧղͨ͠ޙʹOculus͕։ൃͨ͠࠷৽ͷΦʔσΟΦٕज़Λհɻ• Near Field HRTFVolumetric Sound SourcesͷΑ͏ͳ৽͍ٕ͠ज़πʔϧ͕ɺήʔϜΞϓϦΛମݧ͍ͯ͠ΔਓʑͷೖײΛܶతʹ্ͤ͞Δखॿ͚Λ͢Δํ๏ʹ͍ͭͯઆ໌ɻ
Իͷڑײ• ௨ৗɺࣗͷࠨଆ͔Β໐ͬͨԻӈࣖΑΓࠨࣖͷํʹૣ͘ಧ͘ɻ͜ͷ྆ࣖؒ࣌ؒࠩϛϦඵͱͳΓɺ͕ԻͷΕΛೝࣝ͢ΔͷʹेͳͱͳΔɻ• ͜ΕΛϔουϑΥϯͰ%ύϯ͢Δ࣌ʹҰ൪͍ۙεϐʔΧʔύϯɺͭ·Γࠨʹ͚ͩύϯ͢ΔͱɺඇৗʹෆշͳମݧͱͳΔɻ• 73Ͱɺ௨ৗͷεϐʔΧʔͰߦΘͳ͍)35'Λ༻ͯ͠%ΦʔσΟΦΛ࣮ݱ͢Δɻ
RiftͰͷVR Sound• 3JGUͰΦϒδΣΫτ͔Βௌ͑ͯ͘͜ΔԻ͕ɺΦϒδΣΫτ͕ଘࡏ͢Δํ͔Βௌ͑ͯ͘͜Δ༷ʹઃܭ͞Ε͍ͯΔɻ• ͨͩ͠ϓϨΠϠʔ͔ΒNΕͨͱ͜ΖʹԻΛஔ༷͘ʹઃܭ͞Ε͍ͯͨɻ• ͜͜Ͱ͍͔ͭ͘ͷ՝͕ൃݟ͞ΕΔɻ
Near-Field HRTF• NҎ্Εͨͱ͜ΖʹԻΛஔ͘ɺͱ͍͏੍ݶ͕͋ΔͱɺϓϨΠϠʔͷ಄ͷۙ͘ʹԻ͕͋ͬͨ߹ ྫ͑ΟεύʔϘΠεɺిɺදݱ͖͠Εͳ͍ɻ• /FBS'JFME)35'Λ༻͢Δ͜ͱͰɺ಄ͷۙ͘Ͱ໐͍ͬͯΔԻΛ࠶ݱ͢Δ͜ͱ͕Ͱ͖Δɻ͜ΕʹΑͬͯैདྷͷNҎ্ΕͨԻɺΑΓਖ਼֬ʹϞσϧԽ͕ՄೳͱͳΔɻ
Volumetric SoundSources• ݱ࣮ੈքͰ୯Ұͷॴ͔ΒશͯͷԻ͕ฉ͑ͯ͘͜ΔΘ͚Ͱͳ͍ɻ Ի͕େ͖͍ୌͷԻ͕ฉ͑ͭͭ͜ɺผͷํ͔Βਓͷ͕͠ฉ͑͜ΔͳͲ• 7PMVNFUSJD4PVOE4PVSDFTσβΠφʔ͕αϯυͷܘΛࢦఆ͢Δ͜ͱͰɺ؆୯ʹԻΛϦΞϧʹදݱ͢Δ͜ͱ͕Ͱ͖Δ༷ʹͳΔɻׂΓͯΔܘ͕େ͖͍΄ͲɺԻ͕େ͖͘ͳΔɻ
Volumetric SoundSources• ܘʹۙͮ͘ʹͭΕͯɺԻେ͖͘ฉ͑͜Δɻ• ͜Ε͚ͩͰεέʔϧײΛಘΔ͜ͱͰ͖ͳ͍͕ɺԻΛ.JY͢ΔͷʹඇৗʹཱͭॏཁͳπʔϧͰ͋Δɻ
VR Soundͷॏཁੑ• 73։ൃऀʹରͯ͠ɺ4NVSEPOࢯҎԼͷ༷ʹఏݴ͍ͯ͠Δɻ• ʮ։ൃαΠΫϧͷૣ͍͏ͪʹΦʔσΟΦΛؚΊ͍ͯͬͨํ͕͍͍ɻࠓ·ͰͷήʔϜͱҧͬͯϓϨΠϠʔͷࢹքΛ͍࣋ͬͯ·͢ɻΦʔσΟΦϓϨΠϠʔʹਖ਼͍͠ํΛݟͤΔखஈͱͯ͠ຊʹཱͪ·͢ɻΦʔσΟΦ͜Ε·ͰҎ্ʹେ͖ͳׂΛ࣋ͪɺՌ͍ͨͯ͠ΔͷͰ͢ɻʯ
VR Soundͷະདྷ• ݱࡏ3JGUͷαϯυ։ൃνʔϜɺαϯυϦϑϨΫγϣϯͷ՝ʹऔΓΜͰ͍Δɻ• ࠓޙͷ734PVOEͷൃలʹΑͬͯɺݱ࣮ͷੈքͷΑ͏ʹ73Λײ͡Δ͜ͱ͕Մೳʹͳ͍ͬͯ͘ɻ