Audio Vhidhiyo Standard (AVS): Chii uye Unoishandisa Rini?

by kim Updated: July 5, 2022

AVS, kana Audio Vhidhiyo Standard, chiyero chekuteerera uye vhidhiyo tekinoroji yakagadziriswa neAudio Video Coding Standard Working Group (AVS-WG) yekuChina.

Iyo inopa yakabatana yekuvaka uye yekumisikidza chikuva chekuvandudza odhiyo uye vhidhiyo coding algorithms.

Iyo chiyero chakagadzirirwa kupa yakavimbika uye inoshanda odhiyo uye vhidhiyo yekukodha matekinoroji akakodzera kune ese nharembozha uye yakagadziriswa application.

Iyi sumo inotsanangura maficha eAVS chiyero uye kukurukura pazvinenge zvakakodzera kushandisa AVS yekuteerera uye vhidhiyo kukodha.

Tsanangudzo yeAVS

Audio Vhidhiyo Standard (AVS) iITU (International Telecommunication Union) yakajairwa odhiyo uye vhidhiyo compression algorithm yakagadziriswa neChina Multimedia Mobile Broadcasting (CMMB). Chinangwa cheAVS ndechekupa zvinomanikidza multimedia zviitiko nenzira inoshanda nekushandisa tekinoroji iripo.

AVS inoshandisa chimiro chemuti pamwe chete nekufambisa-kufembera kufembera uye kushandura nzira dzekodha kuti dzinyatso encode maodhiyo / vhidhiyo hova nemutengo wakaderera uchienzaniswa nemamwe mamazinga epamusoro. Inotsigira maitiro akawanda kusvika kuUHD 4K / 8K kugadziriswa, nepamusoro-soro yekodha kupfuura H.265 / HEVC, H.264 / MPEG-4 AVC uye mamwe macodecs epamusoro. Nemhando yepamusoro uye kuita, AVS yave imwe yeanonyanya kushandiswa vhidhiyo yekumanikidza tekinoroji yemultimedia application.

Iwo makuru maficha eAVS anosanganisira:
• Yakaderera bit rate zvinobuda nemhando yemifananidzo yakanaka;
• High scalability kupa flexible nokuda siyana namano;
• Low latency rutsigiro runogonesa kuita sarudzo nekukurumidza;
• Kuvimbika playback kuita pamidziyo yakasiyana-siyana uchishandisa masisitimu anoshanda akasiyana;
• Kutsigira kwe-10-bit ruvara kudzika;
• Maximum ye8192 vhidhiyo macroblocks pafremu.

Nhoroondo yeAVS

AVS ivhidhiyo uye odhiyo yekumanikidza chiyero yakagadziriswa neiyo Audio Video Coding Standard Workgroup yeChina, kana AVS-WG. Yakagadziridzwa semhinduro yepasirese kune zvinodiwa zveindasitiri munzvimbo dzemifananidzo/odhiyo yekukodha, kugadzira chikuva chemakwikwi egorithm pakati pemasangano epamusoro-soro epasi rose.

Mavhezheni maviri ekutanga eAVS akaburitswa muna 2006 na2007 zvichiteerana, ukuwo yechitatu iteration (AVS3) yakavhurwa muna Gumiguru 2017. Iyi vhezheni itsva inotora mukana wekufambira mberi kwakanyanya muvhidhiyo compression tekinoroji, kusanganisira yakavandudzwa kudzika kumiririrwa, kuderedzwa kwe block sizes uye. yakawedzera algorithmic kuomarara kuburikidza nekuvandudza komputa algorithms.

Kubva pakuburitswa kwayo muna 2017, AVS3 yakaona kutorwa kwakapararira nekuda kweiyo synchronous encoding/decoding kugona. Pamusoro pezvo, yakagamuchirwa sechikamu che akati wandei Virtual Reality/Augmented Reality application nekuda kweakakwenenzverwa anoenderana encoding zvimiro akanakira kutenderera kwepamoyo pa low bitrate ine mashoma latency.

Pakazere, kugona kweAVS kwakagadzira inoshanda multimedia chiitiko chinogona kugadzirwa kutsigira akasiyana akasiyana ekushandisa kesi. Saka iri kuwedzera kushandiswa munzvimbo dzakasiyana siyana dzemaindasitiri akadai seachokwadi chaiwo, augmented reality, kutepfenyura zvemukati kuendesa, vhidhiyo pane inodiwa masevhisi, pamusoro-iyo-yepamusoro yekutepfenyura maseva uye makore emitambo mhinduro pakati pevamwe.

Mabhenefiti eAVS

Audio Vhidhiyo Standard (AVS) idhijitari odhiyo uye vhidhiyo encoding standard inobvumira yemhando yepamusoro, kunyatsoita kudzvanya uye kuendesa odhiyo nevhidhiyo data pamusoro peakasiyana network. AVS inoshandiswa mukutepfenyura, kutepfenyura, kutamba, uye mamwe akawanda multimedia application. Ichi chikamu chinovhara zvese zvakanaka zvekushandisa iyo AVS standard.

Hunhu hwakavandudzwa

Kubatsira kukuru kwekushandisa iyo AVS chiyero yakagadziridzwa data compression mhando. Kuti uwane hunhu uhu, chiyero chinoshandisa yakakwira bitrate uye yakawedzera algorithms kupfuura echinyakare macodecs. Izvi zvinoreva kuti midhiya yakavharidzirwa neAVS ichave yemhando yepamusoro-soro pane yakafanana yakavharwa nemamwe macodec.

Iyo yepamusoro bitrate uye yepamusoro algorithms zvakare inobatsira kuderedza vhidhiyo buffering uye stuttering. Izvi zvinokonzerwa nekusimba kukuru kweAVS codec kana zvasvika pakurasikirwa kwepakiti uye zvikanganiso pane yakaderera-bandwidth network. Pamusoro pezvo, izvi zvinowedzera kushanda zvakanaka zvinogona kutungamira kune yakanyanya kunaka kuchengetedza kushandiswa, zvichibvumira kuita zvirinani paunenge uchitenderera kana kuchengetedza midhiya mafaira pamidziyo ine mashoma ekuchengetedza.

Kupfuura izvi, AVS inopawo rutsigiro rweHDR (High Dynamic Range) encoding zvinoreva kuti mavhidhiyo akavharidzirwa achishandisa AVS anogona kushandisa HDR tekinoroji kupa kudzika kwakakura, kusiyanisa uye kurongeka kweruvara mumavhidhiyo anoratidzwa pane HDR-inokwanisa mudziyo senge smartphone kana piritsi. kombiyuta. Izvi zvinoreva zvinooneka zvinokatyamadza zvinoonekwa zvisinei nekuti urikuona HD zvemukati kumba kana kushambadzira ako aunofarira mafirimu uchifamba.

Mari Kuchengetedza

Imwe yemabhenefiti ekushandisa Audio Vhidhiyo Standard (AVS) kugona kuchengetedza mutengo, sezvo ichipa nzira inoshanda yekugadzira uye kugovera midhiya yedhijitari. AVS inogadzirisa kusapindirana pakati pevhidhiyo uye odhiyo yekumanikidza tekinoroji, iyo inomisa mapurojekiti ane chekuita nevhidhiyo kubva pakugadziriswa nemidziyo yakatarisana nekuteerera kana zvinopesana. Nekuda kweizvozvo, kushandisa AVS kunobvisa kudiwa kwevanopa zvemukati kuti vagadzire mafaera ega ega ega ega echinongedzo mudziyo.

Iine AVS, imwechete yakadzvanywa faira fomati inogona kugadzirwa uye kushandiswa munzvimbo dzakawanda dzakanangwa dziine zvishoma kana kusatombogadziridzwa. Izvi zvinoderedza mari yekunyora sezvo pasina kudikanwa kweshanduro dzakawanda dzegwaro rimwe chete pamapuratifomu akasiyana. Iri faira rimwechete rinogona zvakare kudzoserwa mumhando dzakasiyana dzemidhiya dzinosanganisira kutepfenyura midhiya, inopindirana kugadzirwa kweDVD, nezvimwewo, kuderedza mitengo ine chekuita nekuwedzera shanduko.

Zvakare, kana zvirimo zvinogovaniswa kuburikidza nematekinoroji ekutepfenyura zvichidhindwa uye pakupedzisira kudhawunirodha pamidziyo yemushandisi senge nharembozha kana maPC, AVS inovandudza pamusoro pechinyakare nzira dzekukodha nekupa yakakwira mhando yemifananidzo pamitengo yakaderera uku uchiwana chiyero chirinani chekumanikidza kana ichienzaniswa neyakajairwa MPEG- 2 tekinoroji. Akaderera mareti anobatsira mukumhanya kwekutumira uye anobatsira pakugovera zvirimo pamusoro pemamwe manetwork senge setiraiti yakavakirwa masevhisi ane kuomesesa bandwidth mipimo nekuda kwekudhura downlink kugona.

kugarisana

Imwe yemabhenefiti ekutanga eAVS kugona kuvimbisa kuenderana pakati pezvishandiso zvakasiyana, zvichibvumira kuti vhidhiyo yemhando yepamusoro uye maodhiyo mafaera anogadzirwa kuti aridzwe pane chero mudziyo. Iyi yepamusoro nhanho yekuenderana inoita kuti AVS ive sarudzo yakanakisa yehunyanzvi hwekuteerera uye vhidhiyo kugadzira, pamwe nekushandiswa kwepamba.

AVS zvakare inogonesa kutamba pasina musono pane akawanda maturusi ane nekukurumidza bitrate encoding iyo inobvumira akasiyana mhando dzemudziyo kana saizi kushandisa mafaera epamusoro-resolution pasina kurasikirwa mumhando. Mifananidzo yemhando yepamusoro uye odhiyo inogadzirwa nemhando dzakadaro zvakare inopokana kune malware kana mavhairasi anowanzo kuperekedza zvirimo kubva kune mamwe masosi. AVS inosanganisira encryption yakasimba iyo inovimbisa kuti chero chinhu chakagadzirwa chicharamba chakachengeteka, kudzivirira piracy kana kumwe kurwiswa kunogona kukanganisa data remushandisi.

Shandisa Nyaya dzeAVS

Audio Vhidhiyo Standard (AVS) idhijitari midhiya yekufambisa protocol yakagadziriswa neChinese consortium. Inonyanya kushandiswa kutumira madhijitari uye vhidhiyo hova pamusoro petiweki uye inoshandiswa zvakanyanya mumaterevhizheni edhijitari nezvimwe. audiovisual midziyo. Muchikamu chino, isu tichatarisa akasiyana mashandisiro eiyo odhiyo vhidhiyo chiyero, pamwe neayo mabhenefiti neakaipa.

Broadcasting

Iyo AVS vhidhiyo yekukodha sisitimu ine akawanda maapplication mukutepfenyura, kunyanya kufambisa kwedhijitari satellite TV, tambo TV uye kutepfenyura kwepasi. Inowanzo shandiswa seyakasarudzika vhidhiyo yekukodha chiyero kune yakananga nhepfenyuro setiraiti (DBS) masevhisi. Iyo zvakare yakakurumbira kune dhijitari vhidhiyo kutepfenyura (DVB) uye tambo terevhizheni masisitimu, pamwe neyepamusoro tsananguro yedhijitari kunyoresa mutsara (HDDSL) masevhisi. Iyo AVS chiyero chinoshandiswa kudzvanya odhiyo uye vhidhiyo yemukati isati yatapurirana, ichibvumira kuti itumirwe zviri nyore pamusoro peashoma bandwidth network senge setiraiti yekutaurirana chiteshi kana tambo TV.

Iyo AVS sisitimu inobvumira vatepfenyuri kuti vafambise ruzivo rwakawanda munzvimbo imwe chete kana ichienzaniswa nemamwe mazinga akadai seMPEG-2 kana Multimedia Home Platform (MPEG-4). Inopawo mamwe mabhenefiti akadai sekuderedzwa encoding kuomarara, yakagadziridzwa compression kunyatsoshanda uye scalability nekusiyana-siyana chiyero kugona. Izvi zvinoita kuti ive sarudzo yakanakira redhiyo uye terevhizheni zvikumbiro zvinoda kunyatso kuendesa data uchiri kuendesa yemhando yepamusoro yekuona ruzivo pamagetsi ekupedzisira evashandisi.

Streaming

Yekutepfenyura maapplication anogona kubatsirikana kubva kuAVS kuve nechokwadi chekuenderana kuburitswa kweodhiyo uye vhidhiyo zvemukati, ine yemhando yepamusoro ruzivo inogoneka. AVS inogonesa vanopa zvemukati kutepfenyura TV neredhiyo zvirongwa zvinogara-chaiyo-nguva pamusoro peinternet mukuchinja kwakatsetseka pakati pehova, inotsigira akawanda ekutepfenyura mafomati kamwechete.

AVS inoshandiswa kutepfenyura maodhiyo nemavhidhiyo mafomati akadai seMP3, FLAC, AAC, OGG, H.264/AAC AVC, MPEG-1/2/4/HEVC uye mamwe mafomati anotsigira anodiwa pakupa huwandu hwemitauro yakawanda uye yakawanda. -format online media services pane akasiyana masikirini.

AVS inogona kushandiswa kugadzira yakakwidziridzwa yekutepfenyura neyakagadziridzwa yemhando yevhidhiyo pamhando dzakasiyana dzemidziyo. Inotsigira zvese zviri zviviri network faira kufambisa uchishandisa HTTP Live Streaming (HLS) kana Dynamic Adaptive Streaming (DASH) mapuroteni uye kutepfenyura kufambisa uchishandisa iyo MPEG Transport Stream protocol (MPEG TS). Tsigiro ye DRM matekinoroji sePlayReady, Widevine kana Marlin inosanganisirwawo.

Pamusoro pezvo, AVS inopa maficha akadai serutsigiro rwekuchinja kusina musono pakati peadaptive bitrate uye zvinogadziriswa; kukurumidza kutanga nguva; kunatsiridza kukanganisa kudzoreredza kugona; chiyero chekubatanidza optimization; kuenderana neakawanda adaptive yekushambadzira indasitiri zviyero seHEVC kana VP9 encoded mafaera; rutsigiro rwekutepfenyura mhenyu paIPTV network; kugarisana ne SDI kutora makadhi; rutsigiro rwe multicasting kusanganisira IPv6 kugona; metadata yakatarwa inoenderana neID3 miyero yekubatanidza ruzivo pazvinhu zvekuteerera.

Vhidhiyo Conferencing

Vhidhiyo musangano ndeimwe yemakesi ekutanga ekushandisa eAVS. Odhiyo uye vhidhiyo inogona kufambiswa pakati penzvimbo dziri kure dzine padyo-HD mhando. AVS inokwanisa kuita izvi nekuda kweiyo yakavakirwa-mukati yekururamisa makodhi, ayo anobatsira kuve nechokwadi chekuti yemhando yepamusoro odhiyo nevhidhiyo chete inosvika kune inogamuchira. Ichi ndicho chikonzero AVS yave chiyero chemusangano wevhidhiyo mumaindasitiri mazhinji nhasi.

AVS inobatsirawo kana zvasvika paku scalability, sezvo ichibvumira vanhu vanopfuura vaviri kuti vapinde parunhare kamwechete pasina kukanganisa mhando yeaudio kana vhidhiyo. Iyo ubiquity yeAVS inoita kuti kuwiriranisa mafoni pakati pezvishandiso zvinoverengeka zvinogoneka uye inova nechokwadi chekuti mubati wega wega anowana HD-senge chiitiko pasina lags kana static kukanganisa.

AVS zvakare inotsigira yakavakirwa-mukati encryption protocol iyo encrypts ese masesheni uchishandisa yepamusoro yakachengeteka internet protocol (SSL). Izvi zvinoreva kuti data rese rakagovaniswa pakati pevatori vechikamu rinoramba rakavanzika uye harigone kuwanikwa nemumwe munhu kunze kweavo vakakokwa kuti vapinde parunhare. Iyi yakawedzerwa layer yechengetedzo inoita kuti AVS ive sarudzo yakanaka kune zvikwata zvinoda kufambisa ruzivo rwakadzama panguva dzezvikamu zvavo.

AVS Mitemo

Audio Vhidhiyo Standard (AVS) ndeyekuteerera-inotaridzika kodhi chiyero inoshandiswa mudhijitari odhiyo uye vhidhiyo kutapurirana. Yakagadziridzwa uye yakamisikidzwa neAudio Video Coding Standard Working Group yekuChina uye yakatanga kuburitswa muna 2006. Miyero yeAVS inobatsira kupa kuenderana pakati pezviyero mukukodha uye kudhirodha vhidhiyo, pamwe nekuvandudzwa kwemhando yevhidhiyo, kuchengetedzwa, uye kushandiswa kwebandwidth. Ichi chikamu chichakurukura mazinga eAVS zvakadzama uye mamiriro ayo anoshandiswa.

AVS-P

AVS-P (Audio Video Standard Preservation) ndeimwe yeazvino vhezheni yeAVS chiyero chakagadziridzwa kubatsira mukuchengetedza kwenguva refu kwemifananidzo inofamba, kusanganisira terevhizheni nefirimu. chiyero ichi chakaitirwa kupa vatepfenyuri nemamwe masangano nefomati inowanika nyore, yakachengeteka yekutakura zvinyorwa zveaudio/vhidhiyo.

Iyo AVS-P tekinoroji yakatarwa yakavakirwa paInternational Standardization Organisation's (ISO) MPEG-2 standard. Inopa hunhu hwakagadziridzwa senge yemhando yepamusoro yemufananidzo nekuda kwekuwedzera bitrate, kubatanidzwa nearipo nhepfenyuro mazinga ayo anogonesa kushandiswa mune ese echinyakare uye dhijitari yekuburitsa mapuratifomu, yakagadziridzwa compression algorithms inoderedza bitrate pasina kurasikirwa kunoonekwa muvhidhiyo kana odhiyo mhando, uye zvakare inogonesa kuwana. kune akawanda mapurogiramu eshanduro. Ese maficha aya anoita kuti AVS-P ive sarudzo yakanaka kana zvasvika pakupa yakanakisa yenguva refu yekuchengetedza mhinduro dzeodhiyo / zvinoonekwa zvemukati.

AVS-P matekinoroji anovimbisa emhando yepamusoro kutapurirana kwevhidhiyo pamusoro pemadaro marefu uye inogona kushandiswa munzvimbo dzakawanda dzekutepfenyura uko kukanganiswa kwechiratidzo inyaya kana uko vashandisi vanoda svikiro rakachengeteka rekugara zvirimo. Iyo AVS-P system inoshandisa macodec maviri - video codec H.264 / MPEG 4 Chikamu 10 Advanced Video Coding (AVC), inowanzonzi HVC, inotsigira zvose HD uye 4K chisarudzo; uye odhiyo codec Dolby AC3 Plus (EAC3) inotsigira anosvika masere chiteshi. Iko kusanganiswa kweaya macodecs maviri kunopa AVS-P mabhenefiti akawanda pamusoro penhaka analog masisitimu kana zvasvika pakuchengetedza yakakwirira kutendeka odhiyo / zvinoonekwa zvemukati nekufamba kwenguva.

AVS-M

AVS-M (Audio Vhidhiyo Standard—Multimedia) chiyero chakadzikwa neAVS Working Boka reChina National Vhidhiyo uye Audio Coding Standard Coordination Group. Iyi chiyero inopa yakazara chikuva chekusimudzira uye kuendesa multimedia, kusanganisira mufananidzo, 3D mifananidzo, animation uye ruzha.

AVS-M inotarisa pamashandisirwo akadai sedhijitari terevhizheni kutepfenyura uye masisitimu ekutaurirana kugonesa kugadzirwa kwemhando yepamusoro izvo zvinosangana nezvinodiwa nevatengi uku ichideredza mitengo. Inosanganisira transmission protocol, data coding zvinodiwa, system architecture dhizaini misimboti uye nezvimwe.

Zvinhu zvakakosha zveAVS-M standard zvinosanganisira:
- Scalable multimedia vhidhiyo kukodha inotsigira vhidhiyo bit mitengo kubva 2kbps-20Mbps
-Inoenderana zvakanyanya nemamwe mazinga akadai seH264/AVC uye MPEG4 Chikamu 10/2 kuita zvirinani (kudyidzana)
-Encoding rutsigiro rwemafomati mana akaparadzana midhiya: odhiyo, zvinyorwa, mifananidzo uye animation
- 3D mifananidzo inotsigira
-Pasikirini kuratidza (OSD) maficha ekugonesa vashandisi kugadzirisa marongero zvakananga kubva kune yavo kifaa chinoratidza skrini
- JPEG2000 encoding chimiro chinotsigira yakakwirira resolution mifananidzo
Inoshandiswa zvakanyanya mumadhijitari ekutepfenyura maapplication muChina uku ichishandiswawo mune mamwe misika yepasi rose seJapan neEurope. Pamusoro pezvo, yakagamuchirwa nemamwe maChinese networking masisitimu anosanganisira CCTV.

AVS-C

AVS-C iAudio Vhidhiyo Standard, kana AVS, yakagadziridzwa neAudio neVhidhiyo Coding Standard Working Group (AVS WG) yeChina Vhidhiyo Indasitiri Association (CVIA). AVS-C yakavakirwa paH.264/MPEG-4 AVC, uye yakagadzirirwa kugonesa kutepfenyura mavhidhiyo edhijitari echiChinese nemhando yepamusoro yekuona uku achisangana nezvinodiwa pasi rose.

AVS-C inopa vagadziri vemafirimu akawanda mabhenefiti pamusoro peiyo iripo MPEG vhidhiyo yekukodha zviyero seMPEG-2 uye MPEG-4. Inogonesa akawanda masevhisi evhidhiyo kuti afambiswe mune imwe chiteshi bandwidth, zvichibvumira kushandiswa kwakanyanya kwematanho ekutepfenyura. Uye nekuti inoshandisa yakakwirira compression algorithms kuderedza kudiwa kwebit rate pamusoro peHDTV matekinoroji senge blu-ray, zvakare inobatsira zvakanyanya kuderedza mutengo kubva kune vanogadzira.

AVS-C inotsigira akawanda maficha asiri kuwanikwa mune mamwe mazinga anosanganisira yakakwirira frequency bandwidths kusvika 10MHz ichiita kuti ive yakakodzera kune HD application; low latency mode; furemu rate kusvika 120 mafuremu pasekondi; mafomu emhando yepamusoro; mafomu ekukodha maodhiyo akadai seAAC, MP3 uye PCM; tsigiro yebitrate yakasiyana-siyana yekuendesa kuyerera kwerukova zvisinei nemamiriro etiweki; yakagadziridzwa mashandiro kuburikidza nemuchinjiko optimization yeruzivo rwekufamba uye hunhu hwemifananidzo; low latency vhidhiyo yekukodha matekiniki; kugadzirisa kukanganisa kwepamusoro; bvunzo yemhando yemifananidzo uchishandisa mareferenzi mafirati uye chaiyo marobhoti modhi ongororo.

Makesi ekushandisa eAVS-C akasiyana sezvo achigona kushandiswa muzvirongwa zvakawanda zvinosanganisira kutepfenyura kwedhijitari, internet yekutepfenyura midhiya yekugovera zvemukati mapuratifomu, TVOnline masevhisi enhare mapuratifomu, zvirongwa zvekudzidzisa zvekushandisa pane zvinodiwa (POD), inopindirana IPTV masevhisi, Cable TV masisitimu uye vamwe.

mhedziso

Iyo AVS chiyero yakakosha kune odhiyo uye vhidhiyo nyanzvi kuti varambe vachifunga kana vachisarudza yakanakisa nzira yekutora uye kufambisa zvirimo. Sezvo mukurumbira wayo uchiramba uchiwedzera, kuziva nguva uye sei kushandisa chiyero ichi kwakakosha kune chero mutengi, bhizinesi, kana sevhisi mupi ari kutsvaga kuwana zvakanyanya kubva muruzivo rwavo rwenhau. Muchinyorwa chino, takaongorora zvakanakira uye zvakaipira zveAVS, pamwe nemakesi ekushandisa kwayo. Mhedziso yakajeka-AVS chiyero chakakosha uye chine simba chinogona kushandiswa kuita zvakanaka.

Pfupiso yeAVS

AVS inomirira Audio Vhidhiyo Standard uye vhidhiyo codec yakagadzirwa kuChina neiyo Audio Video Coding Standard Workgroup. Iyi chiyero yakagadziridzwa pamusoro pezvipo zvakawanda kubva kumayunivhesiti mazhinji edzidzo eChinese, masangano ekutsvagisa, uye makambani eChinese vhidhiyo chip. Yakatangwa muna Nyamavhuvhu 2005, uye kubva ipapo yakagadziridzwa kuti ikwane iyo yepamusoro-tsananguro yedhijitari nhepfenyuro yeterevhizheni muChina.

AVS inosanganisa matekinoroji epamberi akadai seMulti-Picture Frame Resource Partitioning (MFRP), Advanced Intra Coding (AIC), Advanced Inter Prediction (AIP), Adaptive Loop Filter (ALF), Deblocking Filter (DF) uye 10 bit 4:2:2. colorspace yekupa yakazara coding kugona iyo yakanangwa kuti isangane nezvinodiwa zveHDTV zvemukati zvekutumira network. Inopawo yakagadziridzwa chiyero chekudzora masimba senge kukanganisa optimization, yemukati adaptive bit allocation, mamiriro-yakavakirwa macroblock skip mode sarudzo nzira, pakati pevamwe.

Pamusoro pekushandiswa masevhisi eHBBTV mukati meChina, AVS inogona zvakare kupa mhando yemhando yepamusoro kupfuura mamwe mazinga epasi rese kana ichienzaniswa neyakagadziriswa bitrate encoding application iyo inoshandiswa zvakanyanya munzvimbo dzekutepfenyura pasi rese nhasi. Inopa kuita kurinani kana uchibata neakaomesesa mafambiro ezviratidziro uye zvinoguma zvakanyanya kunatsiridza kudzvanya mashandiro kana akasanganiswa neseti yese yeakasimba maturusi ekodha anosanganisira mitsva yekufanotaura modhi uye maitiro ekushandura.

Naizvozvo, AVS imhando yakanakira encode multimedia zvirimo paHD resolution se720p kana 1080i/1080p uchiri kuchengeta bandwidth zvinodiwa zvishoma nekuwana yakanaka compression tsika pasina kukanganisa kuona kana mamwe maodhiyo zviyero seDolby Digital Plus kana AAC/HE-AACv1/ v2 odhiyo encode mafomati.

Zvakanakira zveAVS

Kushandisa AVS kunopa akati wandei mabhenefiti anoita kuti inakidze kune akasiyana maapplication. Kutanga uye zvakanyanya, AVS maitiro kudzvinyirira kusingarasikirwe, zvichireva kuti mhando yevhidhiyo yekutanga / odhiyo inochengetedzwa mukati mese maitiro ekugadzira. Izvi zvinoita kuti ive yakanaka yekugadzira hunyanzvi-giredhi vhidhiyo / odhiyo zvinoenderana nezvaungatarisira kuona mumabhaisikopo kana kutepfenyura terevhizheni. Pamusoro pezvo, AVS inopawo inoshanda encoding uye decoding nguva, pamwe neakaderera latency kutenderera kunovimbisa kukurumidza kutaurirana pakati pemidziyo miviri. Uyezve, nekuda kwekusagadzikana kwayo, AVS inogona kushandiswa nezvigadzirwa kubva kune chero nhamba yevagadziri - saka kugarisana hakuzove nyaya. Pakupedzisira, sezvo AVS yakavakirwa pachiyero cheH.264 (iyo yakafanana inoshandiswa kuBlu-Ray discs), chero mushandisi anogona kuva nechokwadi chokuti chigadzirwa chake chicharamba chiri pamucheto kwemakore anotevera.

Mhoroi, ndini Kim, amai uye munhu anofarira zvekumira-famba ane ruzivo mukugadzira midhiya nekuvandudzwa kwewebhu. Ndine chido chikuru chekudhirowa uye mifananidzo, uye ikozvino ndiri kunyura nemusoro munyika yekumira-kufamba. Neblog rangu, ndiri kugovera zvandinodzidza nemi varume.