ビデオ会議の音をよくする / Making Sound Better with Video Conference

ϏσΦձٞͷԻΛΑ͘͢Δ ৽ଔ৓Ұ౷BLB͍ͱ͓ͪΌΜ "#&."-5

৽ଔ"OESPJEΤϯδχΞ ͍ͱ͓ͪΌΜͰ͢ IUUQTUXJUUFSDPNJDIBOTUBUVT ࿀Ѫ࿩ ৗʹืूʂ

͜Μͳܦݧ͸͋Γ·ͤΜ͔ʁ wࣗ෼ͷ࿩͠੠Ҏ֎ͷԻʢϊΠζʣ͕ೖΔ ͨͱ͑͹ʜ wΩʔϘʔυ⌨ͷԻ͕ೖΔ ʘΧλΧλΧλΧλʗ w֎Λ૸͍ͬͯΔٹٸंͷԻ͕ೖΔ ʘϐʔϙʔɹϐʔϙʔʗ

ͦΕ ʹ͢Ε͹ղܾ

·ͩ಺ଂϚΠΫͰ ফ໣ͯ͠Δͷʁ

಺ଂϚΠΫ w.BDʹ͍ͭͯΔ͸ͦͦ͜͜Իर͏ ࠷௿ݶͪΌΜͱ࢖͑Δ˞ɹͷݟղ wຊମʹ෇͍͓ͯΓΩʔϘʔυͷԻΛर͏ ݁ߏ͕Μ͹ͬͯฉ͑͜ͳͯ͘͠Δ͸ͣ ˠϊΠζϦμΫγϣϯ ͷࢦ޲ੑ͕ͳ͍ʢޙड़ʣ

ͦ͜Ͱ ఏҊͳΜͰ͕͢

֎෦ϚΠΫ࢖͍·ͤΜ͔ʜʁ

೉ͦ͠͏

͜͏͍͏΍ͭͰ͍͍Ͱ͢ʂʂ 1IPUPCZ.PEFTUP8FMMFS $$#: IUUQTXXXqJDLSDPNQIPUPT!/

֎෦ϚΠΫ w಺ଂϚΠΫˡˠ֎෦ϚΠΫ wຊମʹ಺ଂ͞Ε͍ͯͳ͚Ε͹ ΈΜͳ֎෦ϚΠΫ wJ1IPOFʹ෇ଐ͍ͯ͠ΔΠϠϗϯ΍ #MVFUPPUIͷͱ͔Ͱେৎ෉Ͱ͢

ͷཧ૝తͳ࢖͍ํ wΛޱݩʹ͚ۙͮΔ ʹೖΔԻΛ૿෯͢ΔྔɺήΠϯΛ্͛ͣʹࡁΉ ্͛͗͢ΔͱഎܠϊΠζʢ૽Իʣ΋ೖΔ w࣮͸ϚΠΫΛѻ͏ΞϓϦέʔγϣϯ΍ 04͕͍͍ײ͡ʹ΍ͬͯ͘Ε͍ͯΔ wΛर͍͍ͨԻͷग़͍ͯΔํ޲ʹ޲͚Δ ˠࢦ޲ੑ ;PPNઃఆΑΓ

େࣄͳ͜ͱݴ͍·͢

ηϛφʔϧʔϜͷϚΠΫ ͳͲͰ͸

Λޱݩʹ͚ۙͮΔ

Λޱݩʹ͚ۙͮΔ Λޱݩʹ͚ۙͮΔ

Λޱݩʹ͚ۙͮΔ Λޱݩʹ͚ۙͮΔ Λޱݩʹ͚ۙͮΔ

͜Ε͚͓ͩئ͍͠·͢

΋͏ͪΐͬͱ ͩ͜ΘΔਓ޲͚

ϚΠΫͷ͘͠Έ wϚΠΫͷதʹ͸ৼಈ൘͕͋Γ ۭؾͷৼಈΛৼಈ൘͕ड͚औΔ wͦΕΛ͍͍ײ͡ʹిؾ৴߸ʹม׵͢Δ 'JHVSFCZ#BODPdDPNNPOTXJLJ $$#:4" IUUQTDPNNPOTXJLJNFEJBPSHXJLJ'JMF.JDEZOBNJD1/( IUUQTDPNNPOTXJLJNFEJBPSHXJLJ'JMF.JDDPOEFOTFS1/(

ϚΠΫͷछྨ wμΠφϛοΫϚΠΫʢ͍҆ʣ ϥΠϒͷεςʔδ΍.$ͷϚΠΫͰݟΔ wίϯσϯαʔϚΠΫʢߴ͍ʣ ൪૊ऩ࿥Ͱ࢖͏ΨϯϚΠΫ΍ ελδΦͷϨίʔσΟϯάͳͲͰݟΔ 1IPUPCZ*BJO'FSHVTTPO $$#: IUUQTDPNNPOTXJLJNFEJBPSHXJLJ'JMF[email protected]KQH
1IPUPCZ(BMBL $$#:4" IUUQTDPNNPOTXJLJNFEJBPSHXJLJ'JMF[email protected],)KQH 1IPUPCZ4/ $$#: IUUQTXXXqJDLSDPNQIPUPT!/ 'JHVSFCZ#BODPdDPNNPOTXJLJ $$#:4" IUUQTDPNNPOTXJLJNFEJBPSHXJLJ'JMF.JD EZOBNJD1/(IUUQTDPNNPOTXJLJNFEJBPSHXJLJ'JMF.JDDPOEFOTFS1/( 4IVSF4.#&5" 4FOOIFJTFS.,) /FVNBOO6

wͦͷϚΠΫ͕࣋ͭԻΛर͏ํ޲ͷಛੑ wແࢦ޲ੑˠ·Μ΂Μͳ͘र͏ Φ Ϝ ೋ w୯Ұࢦ޲ੑˠಛఆͷҰํ޲͚ͩर͍΍͍͢ Χ ʔ σΟΦΠ υ
w ௒ ୯Ұࢦ޲ੑˠ΄΅Ұํ޲͚ͩर͑Δ ϋΠύʔ Χ ʔ σΟΦΠ υ ࢦ޲ੑ ΦʔσΟΦςΫχΧ༻ޠूΑΓ IUUQTXXXBVEJPUFDIOJDBDPKQNJDSPQIPOFOBWJEJDIUNM 4FOOIFJTFS.,)ϚχϡΞϧΑΓ IUUQTBTTFUTTFOOIFJTFSDPNHMPCBMEPXOMPBETpMF.,)@@@&/QEG

ͷΠϯλʔϑΣΠε wҰൠతʹ͸9-3ͱ͍͏ϐϯͷίωΫλ͕ओྲྀ wͷԻΛ1$ʹऔΓࠐΉʹ͸ ΦʔσΟΦΠϯλʔϑΣʔε͕ඞཁ w64#઀ଓͷϚΠΫ΋ଘࡏ͍ͯ͠Δ 1$εϚϗλϒϨοτ޲͚ ΈΜͳ͕ങͬͨͱݴͬͯΔͷ͸ଟ෼͜Ε

ɹɹͷ؀ڥ w μΠφϛοΫϚΠΫͱ ͦΕΛࢧ͑ΔΞʔϜ w ϔουϗϯ༗ઢແઢ֤छ w σΟεϓϨΠຕ w ిಈঢ߱σεΫ
w إΛ໌Δ͘ݟͤΔϥΠτ w ৿ӬϥϜω ˠϒυ΢౶ΛઁΓ·͠ΐ͏

ͦΖͦΖ ർΕ͖ͯͨͷͰ ·ͱΊ

·ͱΊ w೥ͷϦϞʔτϫʔΫ࣌୅Ͱ͸ ෇͖ΠϠϗϯΛ࢖͍·͠ΐ͏ʂʂʂʂʂ wͲ͏ͤ;PPNͳΜͩ͠૬खʹฉ͑͜ΔԻ࣭͸ͦͦ͜͜ ਺ઍԁͷΠϠϗϯ͚ͩͰे෼ ߴ͍΍ͭ͸͍͢͝ͷͰڵຯ͕͋Ε͹ߴ͍ͷങ͍·͠ΐ͏ wͦΕͰ΋๞͖଍Βͳ͍ਓ͸Ұॹʹ͕Μ͹Γ·͠ΐ͏

৽ଔ"OESPJEΤϯδχΞ ͍ͱ͓ͪΌΜͰͨ͠ IUUQTUXJUUFSDPNJDIBOTUBUVT ࿀Ѫ࿩ ৗʹืूʂ

ビデオ会議の音をよくする / Making Sound Better with Video Conference

ビデオ会議の音をよくする / Making Sound Better with Video Conference

Kazunori Jo

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ϏσΦձٞͷԻΛΑ͘͢Δ ৽ଔ৓Ұ౷BLB͍ͱ͓ͪΌΜ "#&."-5

৽ଔ"OESPJEΤϯδχΞ ͍ͱ͓ͪΌΜͰ͢ IUUQTUXJUUFSDPNJDIBOTUBUVT ࿀Ѫ࿩ ৗʹืूʂ

͜Μͳܦݧ͸͋Γ·ͤΜ͔ʁ wࣗ෼ͷ࿩͠੠Ҏ֎ͷԻʢϊΠζʣ͕ೖΔ ͨͱ͑͹ʜ wΩʔϘʔυ⌨ͷԻ͕ೖΔ ʘΧλΧλΧλΧλʗ w֎Λ૸͍ͬͯΔٹٸंͷԻ͕ೖΔ ʘϐʔϙʔɹϐʔϙʔʗ

ͦΕ ʹ͢Ε͹ղܾ

·ͩ಺ଂϚΠΫͰ ফ໣ͯ͠Δͷʁ

಺ଂϚΠΫ w.BDʹ͍ͭͯΔ͸ͦͦ͜͜Իर͏ ࠷௿ݶͪΌΜͱ࢖͑Δ˞ɹͷݟղ wຊମʹ෇͍͓ͯΓΩʔϘʔυͷԻΛर͏ ݁ߏ͕Μ͹ͬͯฉ͑͜ͳͯ͘͠Δ͸ͣ ˠϊΠζϦμΫγϣϯ ͷࢦ޲ੑ͕ͳ͍ʢޙड़ʣ

ͦ͜Ͱ ఏҊͳΜͰ͕͢

֎෦ϚΠΫ࢖͍·ͤΜ͔ʜʁ

೉ͦ͠͏

͜͏͍͏΍ͭͰ͍͍Ͱ͢ʂʂ 1IPUPCZ.PEFTUP8FMMFS $$#: IUUQTXXXqJDLSDPNQIPUPT!/

֎෦ϚΠΫ w಺ଂϚΠΫˡˠ֎෦ϚΠΫ wຊମʹ಺ଂ͞Ε͍ͯͳ͚Ε͹ ΈΜͳ֎෦ϚΠΫ wJ1IPOFʹ෇ଐ͍ͯ͠ΔΠϠϗϯ΍ #MVFUPPUIͷͱ͔Ͱେৎ෉Ͱ͢

ͷཧ૝తͳ࢖͍ํ wΛޱݩʹ͚ۙͮΔ ʹೖΔԻΛ૿෯͢ΔྔɺήΠϯΛ্͛ͣʹࡁΉ ্͛͗͢ΔͱഎܠϊΠζʢ૽Իʣ΋ೖΔ w࣮͸ϚΠΫΛѻ͏ΞϓϦέʔγϣϯ΍ 04͕͍͍ײ͡ʹ΍ͬͯ͘Ε͍ͯΔ wΛर͍͍ͨԻͷग़͍ͯΔํ޲ʹ޲͚Δ ˠࢦ޲ੑ ;PPNઃఆΑΓ

େࣄͳ͜ͱݴ͍·͢

ηϛφʔϧʔϜͷϚΠΫ ͳͲͰ͸

Λޱݩʹ͚ۙͮΔ

Λޱݩʹ͚ۙͮΔ Λޱݩʹ͚ۙͮΔ

Λޱݩʹ͚ۙͮΔ Λޱݩʹ͚ۙͮΔ Λޱݩʹ͚ۙͮΔ

͜Ε͚͓ͩئ͍͠·͢

͸͍

΋͏ͪΐͬͱ ͩ͜ΘΔਓ޲͚

ϚΠΫͷ͘͠Έ wϚΠΫͷதʹ͸ৼಈ൘͕͋Γ ۭؾͷৼಈΛৼಈ൘͕ड͚औΔ wͦΕΛ͍͍ײ͡ʹిؾ৴߸ʹม׵͢Δ 'JHVSFCZ#BODPdDPNNPOTXJLJ $$#:4" IUUQTDPNNPOTXJLJNFEJBPSHXJLJ'JMF.JDEZOBNJD1/( IUUQTDPNNPOTXJLJNFEJBPSHXJLJ'JMF.JDDPOEFOTFS1/(

ϚΠΫͷछྨ wμΠφϛοΫϚΠΫʢ͍҆ʣ ϥΠϒͷεςʔδ΍.$ͷϚΠΫͰݟΔ wίϯσϯαʔϚΠΫʢߴ͍ʣ ൪૊ऩ࿥Ͱ࢖͏ΨϯϚΠΫ΍ ελδΦͷϨίʔσΟϯάͳͲͰݟΔ 1IPUPCZ*BJO'FSHVTTPO $$#: IUUQTDPNNPOTXJLJNFEJBPSHXJLJ'JMF[email protected]KQH

wͦͷϚΠΫ͕࣋ͭԻΛर͏ํ޲ͷಛੑ wແࢦ޲ੑˠ·Μ΂Μͳ͘र͏ Φ Ϝ ೋ w୯Ұࢦ޲ੑˠಛఆͷҰํ޲͚ͩर͍΍͍͢ Χ ʔ σΟΦΠ υ

ͷΠϯλʔϑΣΠε wҰൠతʹ͸9-3ͱ͍͏ϐϯͷίωΫλ͕ओྲྀ wͷԻΛ1$ʹऔΓࠐΉʹ͸ ΦʔσΟΦΠϯλʔϑΣʔε͕ඞཁ w64#઀ଓͷϚΠΫ΋ଘࡏ͍ͯ͠Δ 1$εϚϗλϒϨοτ޲͚ ΈΜͳ͕ങͬͨͱݴͬͯΔͷ͸ଟ෼͜Ε

ɹɹͷ؀ڥ w μΠφϛοΫϚΠΫͱ ͦΕΛࢧ͑ΔΞʔϜ w ϔουϗϯ༗ઢແઢ֤छ w σΟεϓϨΠຕ w ిಈঢ߱σεΫ

ͦΖͦΖ ർΕ͖ͯͨͷͰ ·ͱΊ

·ͱΊ w೥ͷϦϞʔτϫʔΫ࣌୅Ͱ͸ ෇͖ΠϠϗϯΛ࢖͍·͠ΐ͏ʂʂʂʂʂ wͲ͏ͤ;PPNͳΜͩ͠૬खʹฉ͑͜ΔԻ࣭͸ͦͦ͜͜ ਺ઍԁͷΠϠϗϯ͚ͩͰे෼ ߴ͍΍ͭ͸͍͢͝ͷͰڵຯ͕͋Ε͹ߴ͍ͷങ͍·͠ΐ͏ wͦΕͰ΋๞͖଍Βͳ͍ਓ͸Ұॹʹ͕Μ͹Γ·͠ΐ͏

৽ଔ"OESPJEΤϯδχΞ ͍ͱ͓ͪΌΜͰͨ͠ IUUQTUXJUUFSDPNJDIBOTUBUVT ࿀Ѫ࿩ ৗʹืूʂ