GontlnuousDARSSynchronlzatlon
andSMPTETrlgger,
VTRBased
Dlgltalaudloclocklnglsdodvod
fromvldoo
olgnalby
lho
AardSync
ll,
whlch
gonerates
aDlgltalAudlo
Retor€nco
Slgnal
(DAFS)
andaWord
Clock
(WC)
slgnal.
Allolherdevlceederlvelhelrdlgltal
audloclocklng
from
elthortheDARSorlhe
WC
elgnal
provlded
by
lhe
AardSync
ll.
The0lgltal
AudloWotkslallon
(DAW)
genlocke
loDARStoderlvo
tlmlng
forth6
dlgltalaudlo
ltB€nds
lolheD/AilheAardverior
gonlockE
toDARSto
gonorale
lhe
llmlngfor
lhe
Iy'D.
TnoStIPTE
LITC
recordedononeollheWR'e
audlolrackeleused
lotrlgger
playback
ofa
pofllon
otaudlo,
Advsnlages:
. The
dlgllalaudlolelocked
lo lhe WR vldeoslgnal,
Forlhlereaeon,
llwill
noldrltl.
.TheAardsync
ll
provldes
aDARSwhlch
lrackslong.lermchanges
of
WR
playback
rale,bulllllereoul
lltlers
lhalwould
becaueedbylhe
wow,flullor
andskewInherenlIn
lheWRkanoporl.
.Ths
AardSync
llusos
proprlolary
dlgltal
lechnlquestoreduco
lltter,
thuo
provldlng
lhehlghosl
poeelblequallty
DAFSfor
dlgllalaudlo
r€cordlng.
.ThoAardsyncll
provldes
acce88toalllhovarlou8
pulhup
and
pull.
downfrequencles
requlred
by
lhe
professlonal
vldoo
post
snvlron.
menl,
.ooesn'lrequlre
anoxt€rnalhou8o
sync
ggnolator.
.Allof
lhedlgltaldevlceearelockedlolhedlgllalmaeler,
Thlsmakee
ll
po6slblo
formultlple
dlgllalaudlodevlceelowork
togolhor.
Dlsadvantagos:
.Bscausg
anextornalhouBosync
gonsralor
lBnoluaed,lhe
quallty
of
lhellmlng
oflhevldeoslgnallelow,and
lBllmltedby
lho
mechanlcal
wow,lluller
andskewlngoflheWRlransporl,The
AardSyno
ll
wlll
In
lar00
parl
compsnsaletorihsoBhorlcomlnge,bul
lhehlghesl
quallty
recordlngswlll
bemade
wilh
lhe
house
sync
goneralor,
Contlnuoue
OARS
Synchronlzatlon
andSMPTE
Trlgger,
Vldeo
House
SyncBased
Dlgllal
audloclocklng
ledorlvod
komvldoo
black
buratelgnal
bylho
AardSync
ll,whlch
g€noratos
a0lgltalAudloReferonce
Slgnal(OARg)
andaWord
Clock
(WC)
slgnal.All
olherdevlceededve
lhelr
dlgllal
audloclocklnglrom
olthor
the
DARS
orlheWGelgnal
provlded
by
the
Aardgync
ll.The
DAW
genlocks
toDAFS
lodedve
ilmlngforthodlgltal
audloltEendslolho
D/Ailho
Aardvortorgenlock8lo
DARS
togenoralo
lhellmlnglorlhe
A/D,
TheSMPTEGeneratorproducee
9MPIE
L|TCdedv€d
kom
theslablo
vldeo
blackburat
creat€d
bylheHouoo
6yno
qonorator.
ThlB
OMpTE
LITCeync
elgnal
ls
u8sd
lolrlgger
playback
ofa
pofllon
ofaudlo
and
lo
provldo
lheolgnal
lo
genlock
to,
Advanlages:
o
The
dlgltalaudlola
locked
tolhohoueevldeo
sync.For
lhlereason,
llwlllnol
drlfl,
.The
Houee
SyncOonoratorprovldee
AardSynollwlth
aetablellmlng
referenco.TheAardsyno
ll uso8
proprlolary
dlglte!
iechnlquos
lo
provlde
addltlonal
llttor
romoval
neceeeary
toroduco
llner
Inlo
lhe
plcoeecond
range,Thle
conllgurallon
wlllproduce
lhehlgheet
quallty
dlgltal
audlo
poeslble,
.ThoAardgyno
ll
provldee
accoostoalllhevarloue
pull.up
and
pull
downlroquenclee
requked
by
lhe
profeealonal
vldao
poBl
onvlron.
menl.
.Allol
lhe
dlgllal
devlcse
arelockod
lolhedlgltal
maeler.
Thla
makes
ll
poeelble
formultlpledlgltal
audlo
devlces
towoR
logolher.
o
WRslhalrecord
dlgllal
audlotiackswlll
wofiwell
In
lhleconllgura.
llon,
Thesemachlnesrequlrelhedlgllalaudlotobolnpodocilockwlth
thevldeolramee.