
aes67

eetharnet (yea. oo. ii) interoperabilitypy audeo ovar aipi mariyu audeo kosam aes67 oka saanketika pramaanam. eee pramaanaanni audeo injaneering society abhivruddhi chesindi mariyu modata september 2013loe prachurinchabadindi. idhi ippatike unna pramaanaala aadhaaramgaa oka pora 3 protocol suut mariyu ravenna, live wire, kyuu-laan mariyu dante vanti vividha aipi-aadhaarita audeo networking vyavasthala madhya paraspara saamarthyaanni anumatinchadaaniki roopondinchabadindi.
gatamlo pootii padutunna network audeo systems mariyu systems madhya deerghakaalika network paraspara charya madhya paraspara saamarthyaanni aes67 vaagdaanam chestundi. idhi audeo veediyo bridging (avb) vanti layer 2 saanketikatalato paraspara saamarthyaanni kooda andistundi. daani prachurana nundi, aes67 aneka tayaareedaarulachae swatantramgaa amalu cheyabadindi mariyu aneka itara tayaareedaarulu sweekarinchaaru.
sameeksha.
gadiyaralanu samakaaleekarinchadaaniki, media traaphik kosam qos praadhaanyatalanu sett cheyadaaniki mariyu internet protocol suut nundi praamaanika protokaallato media streamlanu praarambhinchadaaniki aes67 avasaralanu nirvachistundi. aes67 audeo namuunaa aakruti mariyu namuunaa raetu, maddatu chaanella sankhya, alaage aipi dayta packett parimaanam mariyu jaapyam/buffering avasaralanu kooda nirvachistundi.
praamaanika parikara aavishkarana kosam aneka protocol empikalanu pilustundi, conny amalu cheyavalasina avasaram ledhu. session initiation protokaalnu unicast connection nirvahana kosam upayogistaaru. multy cast connectionla kosam connection management protocol nirvachinchabadaledu.
samakaaleekarana.
aes67 gadiyara samakaaleekarana kosam ieeee 1588-2008 khachitamaina samaya protocol (ptpv2) nuu upayogistundi. 
praamaanika networking parikaraala kosam, aes67 "media applicationla kosam pitipi profile" kosam aakruteekarana paaraamitulanu nirvachistundi, idhi ieee 1588 aalasya abhyardhana-pratispandana samakaaleekarana mariyu (aichhikamgaa) peer-tuu-peer samakaaleekarana (ieee 1588 anubandhalu zhe 3 mariyu zhe 4) aadhaaramgaa; eevent sandeshaalu yudipi ravana (ieeee 1588 anubandha dii) paie ipv 4 packetlalo ponduparachabadataayi. konni default paaraamitulu sardubaatu cheyabadataayi, pratyaekamgaa, khachitatvam mariyu prarambha samayanni meruguparachadaaniki logsinquinterval mariyu logg mindlerequinterval tagginchabadataayi.
yea. eee. ess. 11 digital audeo reference signal (dars) loe nirvachinchinatlugaa clack grade 2 clacklasto sanketamgaa untundi.
iee <id2> kuu anugunamgaa unde network parikaraalu default pitipi profilenu upayogistaayi; veediyo streamla kosam, smpte <id1> pitipi profilenu upayoginchavacchu.
avb/tsn networklalo, samaya-sunnitamaina anuvartanaala kosam iee 802.1as profile thoo samakaaleekarana saadhinchabadutundi.
media gadiyaram oka iee 1588 yugam (1 janavari 1970 00:00:00 thaay) thoo samakaaleekarinchina network samayam aadhaaramgaa untundi. gadiyara raetlu 44.1 khz, 48 khz mariyu 96 khz (i.ii. sekanuku veyyi namuunaalu). 
artipi ravana network gadiyaaraaniki sthiramaina samayamtho panichestundi.
ravana.
media dayta ipv4 packetlalo ravana cheyabadutundi mariyu aipi sakalaalanu nivaarinche prayatnaalu cheyabadutundi.
audeo mariyu veediyo (ell24 mariyu ell16 formatlu) kosam artipi profile thoo real time transport protocol yudipi transport loe upayoginchabadutundi. 1500 baitla default eetharnet enteeyootho (aipi/udp/artipi ovarheadnu teesivesina taruvaata) vichchinnam kakunda nirodhinchadaaniki artipi payload 1460 baitlaku parimitam cheyabadindi.
20+8 + 12 = 40 baitlu).
dohadapade muulam (csrc) identifierlu mariyu tls encryptionlaku maddatu ledhu.
time synchronisation, media stream delivery, mariyu discovery protocols igmpv2 (aichhikamgaa igmpv3) sampradimpulatoe aipi multicastingnu upayoginchavacchu. prati media streamku oka pratyaekamaina bahula prasaara chirunama ketayinchabadutundi (239.0.0.0 nundi paridhi varaku)
239.255.255.255); eee chirunamaku oke oka parikaram matrame pampagaladu (aneka-nundi-aneka connectionlaku maddatu ledhu).
keypolive sthithini paryaveekshinchadaaniki mariyu bandwidthnu ketaayinchadaaniki, parikaraalu rtcp report viramam, sip session timerlu mariyu empikalu ping ledhaa icmp pratidhvani abhyardhana (ping) nuu upayoginchavacchu.
aipi packett yokka deferentiated services code point (dscp) feeldlo qoos traaphik praadhaanyatalanu sett cheyadaaniki aes67 diffservnu upayogistundi. kaneesam moodu taragatulaku maddatu ivvali
audeo chukkalanu nivaarinchadaaniki samaya-klishtamaina anuvartanaalaku 250 microlu garishta alasyam avasaram kaavacchu. pedda networklo klishtamaina media streamlaku praadhaanyata ivvadaaniki, anuvartanaalu takkuva-drop sambhaavyata (af41) thoo haamii forwarding class 4loe adanapu viluvalanu upayoginchavacchu, saadhaaranamgaa baruvutho kuudina round-rabin kyuga amalu cheyabadutundi. gadiyara traaphik vegavantamaina forwarding (ef) taragatiki ketayinchabadutundi, idhi saadhaaranamgaa prati-haap pravartanaku (pibi) kathinamaina praadhaanyatanu amalu chestundi. default forwardingtho anni itara traaphik uttama prayatna praatipadikana nirvahinchabadutundi.
prati media stream kosam pitipi domine mariyu grandmaster idni paerkonadaaniki artipi clack soars signalling vidhanam upayoginchabadutundi.
audeo encoding.
namuunaa formatlalo 48 kz sampling frequencytho 16-bitt mariyu 24-bitt leanier pcm, mariyu aichhika 24-bitt 96 kz mariyu 16-bitt 44.1 kz unnaayi. itara artipi audeo veediyo formatlaku maddatu undavacchu. 
bahula namuunaa pounahpunyaalu aichhikam. parikaraalu prapancha namuunaa pounahpunya amarikanu amalu cheyavachu.
media pyaaketlu 'packett samayam' prakaram schedule cheyabadataayi-praamaanika eetharnet packett yokka prasaara vyavadhi. prati streaming session kosam packett samayanni stream muulam dwara sampradistaaru. chinna packett samayalu takkuva jaapyam mariyu adhika prasaara retunu andistaayi, conny adhika ovarheadnu parichayam chestaayi mariyu adhika-paniteeru parikaraalu mariyu linklu avasaram. podavaina packett saarlu japyalanu penchutaayi mariyu marinta buffering avasaram. 125 micro sem. la nundi 4 ms varaku paridhi nirvachinchabadindi, ayithe parikaraalu packett samaya maarpulaku anugunamgaa undaalani mariyu/ledhaa artipi timestampulanu vislaeshimchadam dwara packett samayanni nirnayinchaalani sifaarsu cheyabadindi.
packett samayam maddatu namuunaa raetu prakaram artipi payload parimaanaanni nirnayistundi. anni parikaraalaku 1 ms avasaram. parikaraalu prati streamku kaneesam 1 nundi 8 chaanellaku maddatu ivvali.
jaapyam.
network latensey ("link offset") anedi oka audeo stream moolamloki pravesinche kshanam (pravesha samayam), media packetlo artipi timestamp dwara gurtinchabadindi, mariyu adhi gamyanni vidichipettina kshanam (aggress samayam) madhya samaya vyatyaasam. jaapyam anedi packett samayam, pracharam mariyu kyuu alasyam, packett prosessing overhead mariyu gamya parikaramlo buffering meeda aadharapadi untundi; anduvalla kaneesa jaapyam anedi athi takkuva packett samayam mariyu network forwarding samayam, idhi kaneesa packett parimaanamtho point-tuu-point gigabit eetharnet linkpai 1 micro kante takkuvagaa undavacchu, conny vaastava-prapancha networklalo packett samayaniki rendu retlu kaavacchu.
chinna bufferlu japyanni taggistaayi, conny media dayta samayaniki rakapothe audeo chukkalaku daariteeyavachchu. network paristhitulalo oohinchani maarpulu mariyu packett encoding mariyu prosessing nundi jitter ekkuva samayam buffering mariyu anduvalla ekkuva jaapyam avasaram kaavacchu. gamyasthanalu packett samayaniki kaneesam 20 saarlu (ledhaa chinnadi ayithe 20 ms) sifaarsu cheyabadinappatiki, packett samayaniki 3 saarlu buffernu upayoginchaalsi untundi. 1 packett samayam (ledhaa 1 ms takkuva unte) sifaarsu cheyabadinappatiki, 17 packett saarlu kante takkuva (ledhaa 17 ms takkuva ayithe) jitter thoo prasaranni nirvahinchadaaniki muulaalu avasaram.
avb thoo paraspara kaaryaacharana.
aes67 media streamlanu maddatu unna networklalo varusaga 2 ms mariyu 50 ms yokka haamii jaapyamtho iee 802.1ba avb time-sensitive traaphik taragatulu eah mariyu bii gaa ravana cheyavachu. stream reservation protocol (srp) thoo bandwidth reservation anedi varusaga 125 micro mariyu 250 micro kolata viramam dwara utpatti ayye traaphik mottaanni nirdesistundi. multy cast aipi chirunaamaalanu upayoginchaali, ayithe oke muulamtoe matrame, endukante avb netvarklu eetharnet multy cast gamyasthaanaaniki matrame maddatu istayi, idhi 01:00:5 ihh 00:00:00 nundi 01:00:5 ihh 7eff eff eff varaku untundi.
oka srp tocker prakatana sandesam eee krindi vidhamgaa mapp cheyabadutundihi
iee <id2> mariyu iee <id1> rendinti kinda, oka pitipi gadiyaranni saadhaarana gadiyaram (osi), sarihaddu gadiyaram (bisi) ledhaa paaradarsaka gadiyaram (sisi) gaa paerkonavacchu, ayithe 802.1as paaradarsaka gadiyaralu kooda konni sarihaddu gadiyara saamardhyaalanu kaligi untaayi. oka parikaram eee samarthyalalo okati ledhaa anthakante ekkuva amalu cheyavachu. 
osilo oka port (network connection) takkuvagaa undavacchu, ayithe tii. sii mariyu bii. sii. loe rendu ledhaa anthakante ekkuva portulu undaali. bisi mariyu osi portulu master (grand master) ledhaa banisaga panicheyavacchu. prati porttho oka ii. ii. eee. eee. 1588 profile anubandhinchabadindi. tii. sii. bahula gadiyara domainlu mariyu prophyllaku chendinadi kaavacchu.
eee nibandhanalu iee 802.1as gadiyaralanu iee 1588-2008 gadiyaaraalaku samakaaleekarinchadaaniki veelu kalpistaayi.
abhivruddhi charitra.
eee pramaanaanni 2010 chivarilo audeo injaneering society abhivruddhi chesindi. eee pramaanaanni modatlo september 2013loe prachurinchaaru. audinate nundi patent prakatnanu jodinchina rendava mudrana marchi 2014loe prachurinchabadindi.
as67nuu sweekarinchadaanni prothsahinchadaaniki media networking kootami 2014 octoberlo erpadindi.
october 2014loe as67thoo saadhinchina paraspara saamarthyaanni pareekshinchadaaniki oka plugfest jarigindi. rendava plugfest november 2015loe mariyu moodavadi fibravari 2017loe nirvahinchabadindi.
vivaranalu mariyu dosha diddubaatlatho sahaa pramaanaaniki oka naveekarana september 2015loe jaarii cheyabadindi.
2016 maeloe, as 67 mariyu smpte 2059-2 madhya samakaaleekarana paraspara saamarthyaanni vivarinche nivedikanu as prachurinchindi.
juun 2016loe, avb/tsn gadiyara samakaaleekarana mariyu bandwidth reservation dwara meruguparachabadina aes67 audeo ravana infocomm 2016loe pradarsinchabadindi.
september 2017loe, smpte ippy vruttiparamaina veediyo kosam praamaanikamaina 2110va teedeeni prachurinchindi. veediyoku thodugaa audeo kosam aes67 nuu ravanaga upayogistundi.
2017 decemberlo media networking kootami audeo mariyu veediyo kosam pramaanaala aadhaarita network ravaanaanu prothsahinche prayatnaalanu militam chestu aipi media parishkarala (lakshyalu) kosam kootamilo vileenam ayyindi.
april 2018loe ees 67-2018 prachurinchabadindi. eee savaranalo pradhana maarpu protocol amalu conformans statement (chitraalu).
es standards kamitee mariyu es67 editor, kevin grass, 2019loe "aipi networklapy samakaaleekarinchina bahula-chaanal compressed audeo transport abhivruddhi kosam technology & injaneering emmy avaardunu andukunnaru."
dattata.
eee pramaanaanni laavo, axia, amks (svsi parikaraalalo), godhuma raayi, extron electronics, raidel, rose veediyo, alk networks, audinate, arch wave, digigram, sonifex, akwa broadcast, yamaha, qsc, neutric, atero tech, vileena saanketikatalu, gallery sienna, boaringer, tillen mariyu daani aes67 kaaryaacharana profile kinda ravenna-enabled parikaraala dwara amalu cheyabadindi.
shipping utpattulu.
kalakramena eee pattika parikaraala madhya samaikyata mariyu anukuulata kosam oka vanarugaa maarutundi. prati parikaram maddatu ichhe aavishkarana paddhatulu ekikaranaku keelakam, endukante aes67 vivarana idhi elaa cheyaalo nirdesinchadu, conny badulugaa vividha empikalu ledhaa salahalanu andistundi. alaage, aes67 multicast mariyu unicastnu perkontundi, conny aneka aes67 parikaraalu multicastku matrame maddatu istayi.

