32페이지 내용 : 遺? 硫????곗?댄?곕?? ???⑺??湲? ???? API?? ?몃????? ?? ?? ?ν?? MPEG 湲곗??濡? ?ㅽ???? ?? ???? 湲곕?μ?? ???? ??湲? ???? API瑜? 媛?吏?怨? ????. ???? ?ъ?⑹??媛? 媛???怨듦????? ??吏??? ?? ???? ?멸? ???? ??吏??대?? 寃?怨? ???쇳?? ?????? 媛???濡? ???? ?? ?????? 湲곗???ㅼ?? ???? ??援ъ?ы???? ??????????. ??援? ?ы?????? ?ㅻ???? ??吏?怨? 媛???怨듦??? ?ъ?ㅼ?? ???? ?? ?? ???? ?쇰????? ?댁??, ?ㅻ???? ??????, ?명?고???댁??, Social VR, ?ы?? ??寃?, 洹몃━怨? 3DoF?? 6DoF ???ロ?? 媛??? ?명???깆?쇰? 援щ??? 珥? 27媛? ??紐⑹?? ???????? ????. 3.2 ?몄??? ???? ?щ㎎ ?ㅻ???? ??釉?洹몃９?????? CfP?? ?????? 湲곗???? ?? 媛???湲? ???? ?몄??? ???? ?щ㎎ EIF, Encoder Input Format ?? ??????怨? ????[9]. ?몄??? ???? ?щ㎎?? ?ㅻ???? ?λ㈃?? ?????????? ?????? 硫????곗?댄?곕?? MPEG-I ?ㅻ???? ?몄????? ???ν??湲? ???? ?ъ?⑸???? ???? ?????쇰? XML 湲곕??? ???쇱?대??. ?곕?쇱?? ???? ?? 湲곗???? ??媛??? ?ъ?⑸???? 紐⑤?? 肄???痢??? ?몄??? ???? ?щ㎎?? ?곕?? ?ㅻ???? ?λ㈃?? ???????? XML ?? ?쇱?? 媛?寃? ????. ?몄??? ???? ?щ㎎???? ?ъ?⑹???? ??吏????? ?곕?? 媛? 泥?, 梨??? 諛? ?곕??????? ?ㅻ???ㅼ?? 蹂???瑜? ???????? ?? ?????? ?????? ??移?, 諛⑺?? 諛? 吏??μ?깃낵 媛??? ?щ?? 媛?吏? ???깆?? ???????? ????. ???? 怨듦? ??蹂대?? 諛??? ???? ?ㅻ?? ???ν?④낵, ?뱁?? ???? 諛? ?????? ???????? ?? ???????? 湲고?????? 援ъ“瑜? ??????湲? ???? ??由щ?? ?곕??? 硫????? ???? ????瑜? ?ы?⑦??怨? ????. 怨듦??? ???? ?뱀?깆?? ??????湲? ???? 怨듦? ???? ??移??? ?щЪ ?? 諛??? 諛? ?ш낵?④낵 媛??? ?뱀?깆?? ???댁???? ?????? 怨? ????. ???? ??吏??대?? ?ㅻ???? ?λ㈃?? ?????? ?? ?? ??濡? ??媛?, ?ъ?⑹???? ?명?곕???? ???? ?뱀?? 議곌굔?? ?? ?? ?ㅻ???? ?λ㈃?? ???? 諛? ???곗?댄?명???? 諛⑸??? ?? ?댁???? ??????怨? ????. [洹몃┝ 4]?? 吏??μ?깆?? 媛??? ?????? 媛?泥? ?ㅻ???? ?몃?? [洹몃┝ 3] MPEG-I ?ㅻ???? 李몄“ ???ㅽ??泥?[8] Control Functions Low-Delay Decoder Local Audio Buffers Systems Layer Low Delay Audio Channels Objects HOA Audio Metadata and Control Data Stored Audio Extension Tools Audio Output Headphones/ Loudspeakers MPEG-I 6DoF Audio Renderer Auralization Controller Auralization Processor User Position, Orientation other Interaction ... Consumption Environment information User Personalization HRTFs, HCFs, Language, etc Social VR Audio Bitstream Social VR Metadata Common 6DoF Metadata MPEG-I Audio Bitstream MHAS MPEG-H 3DA Decoder * Existing MPEG-H Technology MPEG-I Technology Social VR External Technology Metadata Audio Data Bitstream T T A J o u r n a l v o l 1 8 530
33페이지 내용 : ?? ?곗＜ 媛? ???? ?ㅻ???? ?λ㈃?? ?몄??? ???? ?щ㎎?? ?곕?? ?????? XML ???쇱?? ???대??. 3.3 ??媛? ???ロ?? ?ㅻ???? ??釉?洹몃９?????? ??媛???媛? 媛??? ??寃쎌?? ?? ??濡?寃? ??????硫댁?? ?????? 湲곗???? ?ㅼ??媛??쇰? ?? ???? ??媛??? ?? ????濡? ?ㅻ???? ??媛? ???ロ?? AEP, Audio Evaluation Platform ?? 媛?諛???怨? ????[10]. [洹몃┝ 5]?? ?ㅻ???? ??媛? ???ロ?쇱?? 媛?????濡? ?ㅽ???쇱?? ?쇰? 泥?由щ?? ?곗?댄?곌? ?ㅼ??媛? ??媛? ???ロ?쇱?? ?대?산? ?곌껐????吏?瑜? 蹂댁?ъ＜怨? ????. ?????? 湲곗???? ??媛???湲? ???댁???? PCM ?곗?댄??, ??媛??? ?ъ?⑸???? ?ㅻ???? ?λ㈃怨? ??媛?諛⑸? ?깆?? ???? ??蹂대?? 媛?怨? ???? ??寃? ?ㅼ?? ?곗?댄??, 洹몃━怨? MPEG-I ?몄????? 異??? 鍮??몄?ㅽ?몃┝?? ?ㅽ???쇱?몄?쇰? 誘몃━ 援? ?대??????. 洹몃━怨? ?ㅼ?? ??媛??????? ?ㅽ???쇱?몄?쇰? 泥? 由щ?? ?곗?댄?곗?? ?ъ?⑹???? ??吏??? ??蹂대?? ???λ??? ?? ??媛??쇰? ????留??? ???? ?????? HMD濡?, ?ㅻ???ㅻ?? ?ㅻ???? ???? ?ㅽ?쇱빱瑜? ?듯?? 異??ν????. ?ㅻ???? ??媛? ???ロ?쇱?? Unity?? Max瑜? ???⑺???? 援ы????????. Unity3d?? 紐⑤?? ??媛??? ???? 諛? ?ъ?⑹?? ?명?고???댁?? ???? ?깆?? ???????? 洹몃???? ????留? ??吏? ?쇰? ?ъ?⑸??怨?, MaxMSP 8?? 紐⑤?? CfP?? ?????? ?? ????, ???ㅽ?? 援ъ?? ?ㅼ??, ?ㅻ???? 肄???痢?, ?곗?댄?? 泥?由? 諛? 紐⑤???곕??? ???????? ?ㅻ???? ????留? ??吏??쇰? ?? ?⑸????. [洹몃┝ 5]???? MPEG-I Enc A?? B媛? 6DoF 瑜? ??怨듯??湲? ???? 硫????곗?댄?곕?? ??異????? 湲곗???닿? Plugin A?? B?? ?ㅻ???? ???? ????留? 湲곗??濡? 媛? 湲곌? ?? CfP ???? 湲곗???? ?????몃??. Offline Real time Audio data EIF Video data Global Preprocessing Test config file gen PCM Bitstream file MPEG-I enc A MAX Evaluation Platform Unity MPEG-H enc MPEG-H dec Plugin A Plugin B Test cfg Bitstream file MPEG-I enc B [洹몃┝ 5] ?ㅻ???? ??媛? ???ロ?? 媛?????[10] Audioscene Audiostream id=??signaltrumpet?? file=??armstrong.wav?? vstchannels=??0, 1?? SourceDirectivity id=??dirtrumpet?? file=??trumpet.sofa?? Objectsource id=??srctrumpet?? position=??2 1.7 -1.25?? orientation=??30 -12 0?? signal=??signaltrumpet?? directivity=??dirtrumpetgainDb=??-2?? active=??true?? /Audioscene [洹몃┝ 4] MPEG-I ?ㅻ???? 湲곗?? ??媛?瑜? ???? ?몄??? ???? ?щ㎎ ????[9] 2 0 1 9 S E P T E M B E R + O C T O B E R31