映像制作現場における高解像度映像IP伝送装置の提案と実装 / Proposal and Implementation of Delivery System for High Resolution Video at Video Production Site

ө૾੍࡞ݱ৔ʹ͓͚Δ ߴղ૾౓ө૾*1఻ૹ૷ஔͷఏҊͱ࣮૷ 1SPQPTBMBOE*NQMFNFOUBUJPOPG%FMJWFSZ4ZTUFNGPS)JHI3FTPMVUJPO7JEFP BU7JEFP1SPEVDUJPO4JUF ؀ڥ৘ใֶ෦೥ଜҪݚڀࣨ"SDI NJZVLLJ ࢁத༐੒

എܠʕ,ɾ,ͷීٴ ‎ ೥ͷΦϦϯϐοΫʹ޲͚ͯɺ,ө૾ 6MUSB)% ɾ,ө૾ 4VQFS)JHI7JTJPO ͷχʔζ͕ߴ·͍ͬͯΔ ‎ ೥ʹ͸,ө૾ɾ,ө૾ͷ࣮༻์ૹ͕ߦΘΕɺຽੜ޲͚ͷΧϝϥ΍σΟεϓϨΠ
΋ࠓޙண࣮ʹීٴ͍ͯ͘͠ݟࠐΈ

എܠʕ*1఻ૹͷීٴ ‎ ์ૹہͳͲͷө૾੍࡞ݱ৔Ͱ͸ɺ,ɾ,ө૾΁ͷҠߦͷλΠϛϯάͰɺ  ڌ఺಺ͷө૾఻ૹʹ͓͍ͯωοτϫʔΫϦιʔεΛ࢖ͬͨ*1఻ૹͷීٴΛૂ͍ͬͯΔ ‎ طଘͷઃඋʹ࢖ΘΕ͍ͯΔಉ࣠έʔϒϧͰ͸ߴप೾ʹΑΔݮਰ͕͋ΔͨΊɺ  ଠ͘୹͍έʔϒϧΛར༻͢Δ͔ɺෳ਺ຊͷଋʹͯ͠ར༻͢Δඞཁ͕͋ͬͨ ө૾ػثͱൺ΂ͯൺֱతʹ҆ՁͳωοτϫʔΫػثΛ࢖͏͜ͱ͕Ͱ͖Δ ө૾৴߸ͷଞʹ෇Ճ৘ใͳͲΛ఻ૹ͢Δ͜ͱ͕Ͱ͖Δ
఻ૹखஈͷέʔϒϧͱͯ͠߹ཧతͳޫϑΝΠόʔΛ࢖༻͢Δ͜ͱ͕Ͱ͖Δ

എܠʕࣗ෼ࣗ਎ͷܦݧ ‎ ࣮ࡍʹࢲ͕ڈ೥ͷՆʹɺນுϝοηͰ#4ͷ์ૹΛΦϖϨʔγϣϯͨ͠ ‎ ഑ઢ΍ܥ౷΋ෳࡶʹͳͬͯ͘Δʜ ‎ ͳʹΑΓ͜ΕΒΛվળ͍ͨ͠

‎ ө૾ͷ*1఻ૹ૷ஔɺޫϑΝΠόʔΛ༻͍ͨө૾ػث͸ɺ͢Ͱʹଟ͘ͷࣄྫ͕͋Δ ‎ ͔͠͠ɺ͍͔ͭ͘ͷ໰୊͕͋Δ ໰୊ ‎ ͜Ε͔Βͷ࣌୅ʹ͓͚Δʮڌ఺಺Ͱͷө૾ͷ*1఻ૹʯΛ໨తͱͨ͠੡඼͸։ൃதͷ΋ ͷ͕ଟ͘ɺʮڌ఺಺Ͱͷө૾ͷ*1఻ૹʯʹ͓͚Δཁ݅΍๊͑Δ໰୊͕ղ໌͞Εͯͳ͍ #MBDLNBHJD4UVEJP$BNFSB
1'62( ڌ఺ؒͷ఻ૹΛ໨తͱ͍ͯ͠Δ Χϝϥʹ4'1͕͋Δ͕*1Λ஻Βͳ͍

‎ ͜Ε͔Βͷ࣌୅ʹ͓͚Δʮڌ఺಺ʢө૾੍࡞ݱ৔ʣͰͷө૾ͷ*1఻ૹʯʹ͓͍ͯɺͦ ͷཁ݅΍໰୊఺Λચ͍ͩ͠ɺ*1఻ૹ͕࣮ࡍʹ༏Ґʹ׆༻Ͱ͖Δ͔Λݕূ͢Δ ໨త ‎ ͜ΕΒͷݕূͷͨΊɺຊݚڀͰ͸ඇѹॖͰ,ө૾ͷ*1఻ૹ૷ஔΛߦ͏૷ஔΛ࣮૷ͨ͠ ‎ ίετ໘Ͱ༏Ґͳ൚༻1$Λ༻͍ͨιϑτ΢ΣΞɺ௿ϨϕϧͰ৴߸Λѻ͏͜ͱ͕Ͱ͖ Δ'1("Λ༻͍ͨϋʔυ΢ΣΞͷͭͰ࣮૷ͨ͠

ө૾੍࡞ݱ৔ͷߏ੒

ݱࡏͷө૾੍࡞ݱ৔ͷߏ੒ ‎ ΧϝϥɺσΟεϓϨΠɺεΠονϟʔΛಉ࣠έʔϒϧͰ઀ଓ͢Δ 7JEFP4XJUDIFS

কདྷతͳө૾੍࡞ݱ৔ͷߏ੒ʕཧ૝ͷߏ੒ ‎ ΧϝϥɺσΟεϓϨΠɺεΠονϟʔͳͲ͋ΒΏΔө૾ػث͕*1Λ஻Δ -4XJUDI *17JEFP4XJUDIFS -
*17JEFP4XJUDIFS -

কདྷతͳө૾੍࡞ݱ৔ͷߏ੒ʕࢀߟࣄྫ 7354"/%#09-*7&*1130+&$5 IUUQTBOECPYWSUCFMJWFJQ ‎ 7-"/ ϚϧνΩϟετͳͲͷ*1ͳΒͰ͸ͷϝϦοτ͕׆͔ͤΔ

ө૾੍࡞ݱ৔ʹ͓͚Δ*1఻ૹ૷ஔͷཁ݅

ղ૾౓ͱϑϨʔϜϨʔτ ‎ ϑϧ)%ө૾ͱ,ө૾ͷσʔλϨʔτΛൺֱ͢Δ :$C$SCJU ‎ ,ө૾ͷ์ૹϨϕϧͰ͸QͰ͋Δ͜ͱ͕ٻΊΒΕΔ ‎ (CQTͷଳҬͰ,QͰͷ఻ૹΛߦ͏ͨΊʹɺ:$C$SํࣜͰ఻ૹ͢Δ (CQT
(CQT J! Q! (CQT Q! (CQT Q! ໿ ഒ ໿ ഒ

஗Ԇͷڐ༰஋ͷௐࠪʕ֓ཁ ‎ ө૾੍࡞ݱ৔ʹ͓͍ͯɺͲΕ΄Ͳͷ஗Ԇ͕ڐ༰Ͱ͖Δ͔ͷධՁج४ͱͳΔ஋Λௐࠪͨ͠ ‎ ϒϥ΢β্ͰεΠονϟʔͷϚϧνϏϡʔը໘ʹݟཱͯͨը໘Λग़ྗ͢Δ ‎ ͷஈ֊ʹΘ͚ɺ֤ஈ֊ͰΩʔϘʔυͷೖྗ͔Β੾ସ·ͰʙϑϨʔϜͷ஗ԆΛ ༩͑ͨ ‎
࣮ݧ͸ɺө૾੍࡞ݱ৔ͷܦݧ͕͋ΔਓΛର৅ͱͨ͠

஗Ԇͷڐ༰஋ͷௐࠪʕඃݧऀͷը໘ D DPQZSJHIU #MFOEFS'PVOEBUJPOXXXCJHCVDLCVOOZPSH

஗Ԇͷڐ༰஋ͷௐࠪʕܭଌ݁Ռ ஗Ԇ࣌ؒʢNTʣ ʮڐ༰Ͱ͖Δʯͱ ճ౴ͨ͠ਓ਺ʢਓʣ ‎ ࣮ݧͷ݁Ռͱͯ͠ɺNT ϑϨʔϜ ·Ͱ͸ʮ஗ԆΛڐ༰Ͱ͖Δʯͱճ౴ͨ͠ਓ ׂ͕Ҏ্Ͱ͕͋ͬͨɺͦΕҎ߱͸ׂΛԼճͬͨ

ө૾੍࡞ݱ৔ʹ͓͚Δ*1఻ૹ૷ஔͷཁ݅ ‎ ͜ΕΒͷௐ͔ࠪΒɺө૾੍࡞ݱ৔ʹ͓͚Δ*1఻ૹ૷ஔͷཁ݅ΛҎԼͷΑ͏ʹ·ͱΊΔ ରԠղ૾౓ ,Y1Q ,YQ :$C$S ஗Ԇ࣌ؒ NTҎ಺
τϥϑΟοΫ (CQTҎ಺

ιϑτ΢ΣΞʹΑΔ࣮૷

ιϑτ΢ΣΞʹΑΔ࣮૷ ‎ ૹग़༻1$Ͱɺ,ΩϟϓνϟΧʔυ͔ΒΩϟϓνϟ͠ɺ(CQTରԠ/*$Λ௨ͯ͠*1 ύέοτͱͯ͠ө૾σʔλΛૹ৴͠ɺड৴༻1$Ͱɺड৴ͨ͠σʔλΛө૾࠶ੜ༻Ξϓ Ϧέʔγϣϯʹ౉͠ɺө૾Λग़ྗ͢Δ ‎ *1఻ૹ͸5$1Ͱߦͬͨ ‎ 6%1ʹΑΔॱং੍ޚ΍࠶ૹ੍ޚͷ࣮૷ʹׂ͕͚࣌ؒͳ͔ͬͨͨΊ
,ΩϟϓνϟΧʔυ (CQTରԠ/*$ (CQTରԠ/*$

ιϑτ΢ΣΞʹΑΔ࣮૷ʕ࣮ূ࣮ݧ ‎ 03'Ͱɺ4'$ͱ౦ژϛουλ΢ϯͷLNؒͰ(CQTͷճઢΛ࢖͍ɺ, ө૾ͷதܧΛߦͬͨ 6OMFTTPUIFSXJTFOPUFE UIFUFYUPGBOEJMMVTUSBUJPOTJOUIJTTMJEFBSFMJDFOTFEVOEFSB$SFBUJWF$PNNPOT"UUSJCVUJPO4IBSF"MJLF*OUFSOBUJPOBM-JDFOTFCZ)JSPUBLB/BLBKJNB ,FJP6OJWFSTJUZ4IPOBO'VKJTBXB$BNQVT-PHPJTMJDFOTFECZJUTDPQZSJHIUIPMEFST ,ө૾఻ૹ࣮ݧͷ໛༷ 18

ϋʔυ΢ΣΞʹΑΔ࣮૷

ϋʔυ΢ΣΞʹΑΔ࣮૷ ‎ 9JMJOY,$ධՁϘʔυɺ)%.*ΠϯλʔϑΣʔεΧʔυΛ༻͍ͨ ‎ )%.*ΠϯλʔϑΣʔεΧʔυ͔Βड৴ͨ͠ө૾σʔλΛ*1ύέοτԽ͠ૹ৴ ͠ɺ*1ંΓฦ͠૷ஔͰંΓฦ͞ΕͨσʔλΛσίʔυ͠ө૾Λग़ྗ͢Δ 9JMJOY,$ධՁϘʔυ ө૾఻ૹ૷ஔʢૹड৴݉༻ʣ 9JMJOY,$ධՁϘʔυ
*1ંΓฦ͠૷ஔ

ϋʔυ΢ΣΞʹΑΔ࣮૷ʕϓϩτίϧ ‎ *1఻ૹ͸6%1Ͱߦͬͨ ‎ ॱং੍ޚ΍࠶ૹ੍ޚͷ࣮૷͸ߦ͍ͬͯͳ͍͕ɺμʔΫϑΝΠόʔͰͷϋʔυ΢ΣΞ ಉ࢜ͷ௨৴ͷͨΊ

'1("ճ࿏શମͷϒϩοΫμΠΞάϥϜ

ϋʔυ΢ΣΞʹΑΔ࣮૷ʕ࣮ূ࣮ݧ ‎ 03'Ͱɺϋʔυ΢ΣΞʹΑΔඇѹॖ,ө૾ͷ*1఻ૹ૷ஔΛσϞలࣔͨ͠

τϥϑΟοΫܭଌʕ֓ཁ ‎ ࣮૷ͨ͠*1఻ૹ૷ஔ͕ཧ૝௨Γʹύέοτͷૹ৴Λߦ͍ͬͯΔ͔Λ֬ೝ͢ΔͨΊʹɺ (CQTͷωοτϫʔΫΧʔυΛ౥ࡌͨ͠-JOVY1$Λ༻͍ͯτϥϑΟοΫΛܭଌͨ͠ ‎ ཧ૝తͳඵ͋ͨΓͷө૾σʔλϨʔτ͸ɺਨ௚ϐΫηϧɺਫฏϐΫηϧɺϐΫηϧ͋ ͨΓͷϏοτ਺ɺϑϨʔϜϨʔτΛ༻͍ͯɺ࣍ͷΑ͏ʹٻΊΒΕΔ ‎ ೖྗ͢Δө૾σʔλ͸ɺ,1ͷ:$C$Sͱͨ͠
‎ ܭଌ͸QSPDOFUEFWΛ؂ࢹ͠ɺSSEUPPMΛ࢖͍ूܭ͠ɺάϥϑͱͯ͠ग़ྗͨ͠ 3840 × 2160 × 16 × 30 = 3,981,312,000 = 3.981Gbps ཧ૝తͳ1ඵ͋ͨΓͷө૾σʔλϨʔτ

τϥϑΟοΫܭଌʕιϑτ΢ΣΞ࣮૷ ‎ ඵ͋ͨΓͷฏۉड৴Ϩʔτ͸ɺ.#QT(CQTͰ͋ͬͨ ‎ ཧ૝తͳඵ͋ͨΓͷө૾σʔλϨʔτΛ໌Β͔ʹຬ͍ͨͯ͠ͳ͍

τϥϑΟοΫܭଌʕϋʔυ΢ΣΞ࣮૷ ‎ ܭଌ༻1$Ͱ͸υϩοϓ͕ൃੜͯ͠͠·ͬͨ ‎ ഁغ͞Εͨ΋ͷ΋ؚΊສύέοτ΋ૹ৴͍ͯ͠Δ͜ͱ͕Θ͔ͬͨ ‎ ड৴ύέοτ਺ͱഁغύέοτ਺ɺड৴όΠτ਺͔Βࢉग़ͨ͠ඵ͋ͨΓͷฏۉड৴Ϩʔ τ͸ɺ.#QT(CQTͰ͋ͬͨ ‎
ཧ૝తͳඵ͋ͨΓͷө૾σʔλϨʔτͱ΄΅Ұக͢Δ

஗Ԇܭଌʕ֓ཁ ‎ ࣮૷ͨ͠*1఻ૹ૷ஔ͕ɺཁ݅ʹࣔͨ͠஗Ԇͷڐ༰஋ͷൣғ಺Ͱ͋Δ͔Λݕূ͢ΔͨΊ ʹɺ஗ԆΛܭଌ͢Δ؀ڥΛ༻ҙ͠ɺൃੜ͢Δ஗ԆΛܭଌͨ͠ ‎ 03'Ͱలࣔͨ͠ιϑτ΢ΣΞͷ࣮૷ʹ͍ͭͯ΋ɺಉ͡ܭଌख๏Ͱ࠶ܭଌͨ͠ ιʔε͔Β ର৅ػث͔Β ‎
ಉ͡ө૾Λର৅ػثΛܦ༝ͨ͠΋ͷͱܦ༝͍ͯ͠ͳ͍ө૾Λಉ͡ը໘ʹදࣔ͢Δ͜ͱʹ Αͬͯɺ͋Δॠؒͷ஗ԆΛܭଌ͢Δ͜ͱ͕Ͱ͖Δ ‎ ܭଌͰ͖Δཻ౓͸ϑϨʔϜ୯ҐͱͳΔ

஗Ԇܭଌʕܭଌ෩ܠ ιʔε͔Β ର৅ػث͔Β ιʔε͔Β ର৅ػث͔Β ϋʔυ΢ΣΞ ιϑτ΢ΣΞ

஗Ԇܭଌʕιϑτ΢ΣΞ࣮૷ ‎ ճʹ෼͚ͯ஗ԆΛܭଌͨ͠ ճ໨ ճ໨ ճ໨ ճ໨ ճ໨ ฏۉ
஗ԆϑϨʔϜ ϑϨʔϜҎ಺ ϑϨʔϜҎ಺ ϑϨʔϜҎ಺ ϑϨʔϜҎ಺ ϑϨʔϜҎ಺ ϑϨʔϜҎ಺ ஗Ԇ࣌ؒ NTҎ಺ NTҎ಺ NTҎ಺ NTҎ಺ NTҎ಺ NTҎ಺ ‎ ιϑτ΢ΣΞͰ͸ɺ࠷௿Ͱ΋ΩϟϓνϟʔϘʔυ͔Βө૾Λऔಘ͢ΔͷʹϑϨʔϜɺඳը͢ ΔͷʹϑϨʔϜͷ஗Ԇ͕ൃੜ͢Δ ‎ ܭଌճ਺ʹΑͬͯ஗ԆϑϨʔϜʹ͹Β͖͕ͭ͋Δ ‎ සൟʹϑϨʔϜམ͕ͪൃੜͨ͠ ‎ ஗Ԇ͕૿͑ͳ͍Α͏ʹ͢ΔͨΊɺόοϑΝ͕ཷ·Γ͍͗ͯ͢Δ৔߹͸5$1ύέοτΛഁغ͍ͯ͠Δ

஗Ԇܭଌʕϋʔυ΢ΣΞ࣮૷ ‎ ճʹ෼͚ͯ஗ԆΛܭଌͨ͠ ճ໨ ճ໨ ճ໨ ճ໨ ճ໨ ฏۉ
஗ԆϑϨʔϜ ϑϨʔϜҎ಺ ϑϨʔϜҎ಺ ϑϨʔϜҎ಺ ϑϨʔϜҎ಺ ϑϨʔϜҎ಺ ϑϨʔϜҎ಺ ஗Ԇ࣌ؒ NTҎ಺ NTҎ಺ NTҎ಺ NTҎ಺ NTҎ಺ NTҎ಺ ‎ શͯϑϨʔϜҎ಺ͷ஗Ԇʹ཈͑Δ͜ͱ͕ग़དྷͨ ‎ શͯͷܭଌͰϑϨʔϜ୯ҐͰͷ஗Ԇͷ͹Β͖ͭ͸ແ͔ͬͨͨΊɺө૾ͷ඼࣭ͱͯ͠΋҆ఆͯ͠ ͍Δ͜ͱ͕Θ͔ͬͨ

ղ૾౓ ‎ ࣮૷ͨ͠*1఻ૹ૷ஔʹ)%.*Λ༻͍ͨ:$C$Sͷग़ྗʹରԠͨ͠ΧϝϥΛ઀ ଓ͠ɺग़ྗ͕֬ೝͰ͖Δ͔Λ໨ࢹͰ֬ೝͨ͠ ‎ :$C$Sͷग़ྗʹରԠ͍ͯ͠ΔΧϝϥͱͯ͠40/:'%3"9Λ࢖༻ͨ͠ 40/:'%3"9 ιϑτ΢ΣΞ࣮૷ ϋʔυ΢ΣΞ࣮૷
,Q ରԠ ରԠ ,Q ϋʔυ΢ΣΞ੍໿ʹΑΓ  ݕূͰ͖ͣ ରԠ ݕূ݁Ռ ‎ ιϑτ΢ΣΞ࣮૷Ͱ͸ɺ,ΩϟϓνϟʔϘʔυͷ੍໿ʹΑΓQͷ఻ૹͷݕূ͕ߦ͑ ͳ͔ͬͨ

·ͱΊ ‎ ຊݚڀͰ͸ɺ͜Ε͔Βͷ࣌୅ʹ͓͚Δʮڌ఺಺Ͱͷө૾ͷ*1఻ૹʯʹඞཁͳཁ݅Λௐࠪ ͠ɺͦΕ͕ιϑτ΢ΣΞͱϋʔυ΢ΣΞͷ࣮૷Ͱຬͨ͢͜ͱ͕Ͱ͖Δ͔ݕূΛߦͬͨ ‎ ൚༻1$Λ༻͍ͨιϑτ΢ΣΞͰ͸ɺ,Qͷ఻ૹ͕ߦ͑ͨ ‎ ͔͠͠ɺ஗Ԇ͸NTҎ಺ͱڐ༰ൣғ֎Ͱ͋Γɺ͹Β͖ͭ΋͋ͬͨ ‎ '1("Λ༻͍ͨϋʔυ΢ΣΞͰ͸ɺ,Qͷ఻ૹ͕ߦ͑ͨ
‎ ஗Ԇ͸NTҎ಺ͱڐ༰ൣғ಺Ͱ͋Γɺ҆ఆͯ͠఻ૹ͢Δ͜ͱ͕ग़དྷͨ ‎ ͜ΕΒͷ݁Ռ͔Βɺڌ఺಺Ͱͷө૾ͷ*1఻ૹ͸ө૾੍࡞ݱ৔ʹ͓͚Δཁ݅Λຬͨ͢͜ͱ ͕Ͱ͖ɺطଘͷ఻ૹख๏ʹൺ΂ͯ༏ҐͰ͋Δ͜ͱ͕Θ͔ͬͨ ‎ ө૾ۀքͰ΋͋ΒΏΔػث͕ωοτϫʔΫʹ&OEUP&OEͰܨ͕Δ͜ͱͰɺ7-"/΍Ϛ ϧνΩϟετͳͲ*1ͷϝϦοτΛ׆͔͠ɺө૾੍࡞ݱ৔͕ΑΓշదʹͳΔ ΋ͪΖΜ*1W3FBEZͰ

͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠

࣭ٙԠ౴

ө૾఻ૹέʔϒϧ 4%* 0QUJDBM ҰൠతͳσʔλϨʔτ (CQT  1BSBMMFM(CQT (CQT (CQT έʔϒϧͷѻ͍΍͢͞ ॏ͍ɾ҆ఆ͠ͳ͍
ଠ͍ɾॏ͍ ͍ܰɾંΕΔ ఻ૹڑ཭ ͓ΑͦN ͓ΑͦN ͓ΑͦLNdLN ‎ औΓճ͕͠͠΍͘͢఻ૹϨʔτͱڑ཭͕େ͖͍ɺޫέʔϒϧ͕࢖ΘΕ͖͍ͯͯΔ

ө૾੍࡞ݱ৔Ͱ࢖ΘΕΔޫϑΝΠόʔ ޫෳ߹έʔϒϧ ଟ࣏ݟ੡ίωΫλޫέʔϒϧ

৭ۭؒͱ৭ਂ౓ ‎ :67͸ʮਓؒͷ໨͸໌Δ͞ͷมԽʹ͸හײ͕ͩɺ৭ͷมԽʹ͸ಷײͰ͋Δʯͱ͍͏ੑ ࣭Λར༻ͨ͠৭ۭؒͰ͋Δ ‎ ө૾੍࡞Ͱ͸:$C$S :67 ͕༻͍ΒΕΔ͜ͱ͕ҰൠతͰ͋Δ ‎
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映像制作現場における高解像度映像IP伝送装置の提案と実装 / Proposal and Imp...

映像制作現場における高解像度映像IP伝送装置の提案と実装 / Proposal and Implementation of Delivery System for High Resolution Video at Video Production Site

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