AES/EBU to SPDIF converter
Kex - toto chapu, jen tak jak to popsal Ivo mne proste nejak neleze do palice...
The AES11 standard published by the Audio Engineering Society (Official Site ) provides a systematic approach to the synchronization of digital audio signals. Recommendations are made concerning the accuracy of sample clocks as embodied in the interface signal and the use of this format as a convenient synchronization reference where signals must be rendered co-timed for digital processing. Synchronism is defined, and limits are given which take account of relevant timing uncertainties encountered in an audio studio. AES11 Annex D (in the November 2005 or later printing or version) shows an example method to provide isochronous timing relationships for distributed AES3 structures over asynchronous networks such as AES47 where reference signals may be locked to common timing sources such as GPS . The AES11 standard may be studied by downloading a copy at the AES standards web site as AES11-2003 with the current version (or printing) dated 2005-11-21. In addition, the Audio Engineering Society has now published a related standard called AES53 , that specifies how the timing markers already specified in AES47 may be used to associate an absolute time-stamp with individual audio samples. This may be closely associated with AES11 and used to provide a way of aligning streams from disparate sources, including synchronizing audio to video in networked structures.
The AES11 standard published by the Audio Engineering Society (Official Site ) provides a systematic approach to the synchronization of digital audio signals. Recommendations are made concerning the accuracy of sample clocks as embodied in the interface signal and the use of this format as a convenient synchronization reference where signals must be rendered co-timed for digital processing. Synchronism is defined, and limits are given which take account of relevant timing uncertainties encountered in an audio studio. AES11 Annex D (in the November 2005 or later printing or version) shows an example method to provide isochronous timing relationships for distributed AES3 structures over asynchronous networks such as AES47 where reference signals may be locked to common timing sources such as GPS . The AES11 standard may be studied by downloading a copy at the AES standards web site as AES11-2003 with the current version (or printing) dated 2005-11-21. In addition, the Audio Engineering Society has now published a related standard called AES53 , that specifies how the timing markers already specified in AES47 may be used to associate an absolute time-stamp with individual audio samples. This may be closely associated with AES11 and used to provide a way of aligning streams from disparate sources, including synchronizing audio to video in networked structures.
pytkin: imho je aes11 na tvojom budiku normalny aes vystup, akurat audiobity su vsetky nuly, a clockuju ho samozrejme tie iste hodiny ako wc vystupy. sluzi na syncovanie takeho zariadenia, ktore ma (volny) aes/spdif vstup ale nema wordclock... cez trafko by si nim mohol napriklad syncovat audiofilku so zbytkom svojej farmy (hehe, uchylna myslienka) alebo nejaku klavesovu workstation, co ma len spdif IO (to uz neni uchylna myslienka, ale realna moznost)
ale len hadam. aes11 je proste jeden zo standardov aes
ale len hadam. aes11 je proste jeden zo standardov aes
tu som vam vyguglil pekny clanocek o syncovani
http://web.onetel.net.uk/~peterphmusic/ ... alsync.htm
treti obrazok odhora vysvetluje jeden dovod, preco je syncovanie samotnym spdifom zradne, aj s verbalnym vysvetlenim.
http://web.onetel.net.uk/~peterphmusic/ ... alsync.htm
treti obrazok odhora vysvetluje jeden dovod, preco je syncovanie samotnym spdifom zradne, aj s verbalnym vysvetlenim.
Lavry uz mam doma a je k nemu dodana redukce AES/EBU > SPDIF, ktera mam XLR koncovku na strane Lavry a RCA (cinch) koncovku na strane zvukovky.
Zvukovka ma SPDIF vstup take pres RCA koncovku, takze si musim zajistit kabel s RCA koncovkami na obou koncich.
Podle prirucky k Lavry by to mel byt koaxialni kabel na 75 ohmu.
Vcera jsem koupil koaxialni kabel, ktery se pouziva pro TV antenu, ktery ma jeden vodic uvnitr a stineni zvnejsku. Je na nem napsano 75 ohmu. Pak jsem koupil RCA koncovky a o vikendu jsem se to chystal spajet.
Jenze pak me jeste napadlo, jestli je ten koaxilani kabel na to vhodny. Na RCA koncovkach se zapojuji dva kontakty - vnitrni cudlik a vnejsi krouzek.
Koaxialni kabel nabizi take dve kontakty - pres vnitrni drat a pres stineni.
V praxi to ale znamena, ze vnejsi stineni, pouzite jako druhy vodic nebude uz nijak dal stinene.
Napadlo me tedy, zda by nebylo vhodnejsi zakoupit nejaky mikrofonni kabel, kde jsou uvnitr dva vodice, ktere pripojim na RCA koncovku a dale budu mit pres vodice stineni, ktere je budou chranit pred rusenim.
Ma to ovsem hacek v tom, ze u mikrofonniho kabelu (alespon ty co mam doma ja od Sommer Cable) nesedi ohmy, ktere pozaduje pan Lavry. Moje mikrofonni kabely maji 100 ohmu.
Co je tedy lepsi pouzit? Ten TV koaxilni kabel nebo mikrofonni?
Pokud pouziju ten koaxialni kabel, predpokladam, ze muze dochazet k ruseni a tim k chybam prenosu dat.
Nerad bych Lavry zbytecne dergradoval nevhodnym kabelem.
Zvukovka ma SPDIF vstup take pres RCA koncovku, takze si musim zajistit kabel s RCA koncovkami na obou koncich.
Podle prirucky k Lavry by to mel byt koaxialni kabel na 75 ohmu.
Vcera jsem koupil koaxialni kabel, ktery se pouziva pro TV antenu, ktery ma jeden vodic uvnitr a stineni zvnejsku. Je na nem napsano 75 ohmu. Pak jsem koupil RCA koncovky a o vikendu jsem se to chystal spajet.
Jenze pak me jeste napadlo, jestli je ten koaxilani kabel na to vhodny. Na RCA koncovkach se zapojuji dva kontakty - vnitrni cudlik a vnejsi krouzek.
Koaxialni kabel nabizi take dve kontakty - pres vnitrni drat a pres stineni.
V praxi to ale znamena, ze vnejsi stineni, pouzite jako druhy vodic nebude uz nijak dal stinene.
Napadlo me tedy, zda by nebylo vhodnejsi zakoupit nejaky mikrofonni kabel, kde jsou uvnitr dva vodice, ktere pripojim na RCA koncovku a dale budu mit pres vodice stineni, ktere je budou chranit pred rusenim.
Ma to ovsem hacek v tom, ze u mikrofonniho kabelu (alespon ty co mam doma ja od Sommer Cable) nesedi ohmy, ktere pozaduje pan Lavry. Moje mikrofonni kabely maji 100 ohmu.
Co je tedy lepsi pouzit? Ten TV koaxilni kabel nebo mikrofonni?
Pokud pouziju ten koaxialni kabel, predpokladam, ze muze dochazet k ruseni a tim k chybam prenosu dat.
Nerad bych Lavry zbytecne dergradoval nevhodnym kabelem.
Myslis neco takoveho?nunu píše: Jinak TV kabel bych vyhodil a koupil kabel k vedeni SPDIF, je ohebnejsi a lip se s nim manipulije.
http://www.musiccenter.cz/Alva-SPDIFCABLE-1M-:26498
Pominu-li ohebnost bude to v necem lepsi, nez ten koaxial, ktery mam koupeny (stineni, ruseni, kvalita zvuku)?