GJLCJTLBYTYBT CF<DEATHF
Dybvfybt6 YT BCGJKMPEQNT JLYJDHTVTYYJ VTNJL
CJTLBYTYBZ GJ DSCJRJVE B YBPRJVE EHJDY>7
DSRK>XBNT GJKYJCNM> +KTRNHJ GBNFYBT DFITQ
CNTHTJ CBCNTVS LJ YFXFKF GJLCJTLBYTYBZ
CF<DEATHF7
Htrjvtyletvsq vtnjl cjtlbytybz cf,deathf lkz Dolby
Digital Systems: Xover Bypass
+njn vtnjl jnrk.xftn dct htuekbhe.obt cbcntvs cf,deathf9
rhjvt htuekbhjdrb gj afpt9 d gjkmpe cbcntvs htuekbhjdrb ,fcjd
dcnhjtyyjq d Dfi ghb∑vybr bkb ghjwtccjh7
Pflyzz gfytkm j,jheljdfyf hfp≤∑vjv lkz cjtlbytybz gj ybprjve
ehjdy.9 rjnjhsq j,jpyfxty Xover Bypass. Lkz =njuj vtnjlf
bcgjkmpeqnt RCA rf,tkm lkz cjtlbytybz hfp≤∑vf ≥Ds[jl yf
cf,death÷ yf dfitv ghb∑vybrt bkb ghjwtccjht9 c hfp≤∑vjv Xover
Input yf pflytq gfytkb cf,deathf7 Cvjnhb lbfuhfvvs @9#7
Htrjvtyletvsq vtnjl cjtlbytybz lkz Dolby Pro Logic
systems: Input
Pflyzz gfytkm j,jheljdfyf cjtlbybntktv lkz gjlrk.xtybz gj
cbuyfke ybprjuj ehjdyz c j,jpyfxtybtv Input. Dcnfdmnt
jlbyjxysq RCA rjyytrnjh cjtlbybntkmyjuj RCA rf,tkz d hfp≤∑v
≥Ds[jl yf cf,death÷9 yf Dfitv ghb∑vybrt bkb ghjwtccjht b
cjtlbybnt c hfp≤∑vjv Input yf pflytq gfytkb cf,deathf7 +njn
vtnjl cjtlbytybz gjpdjkztn bcgjkmpjdfnm dct cbcntvs
eghfdktybz cf,deathf7 Cvjnhb lbfuhfvvs @9#7
Htrjvtyletvsq vtnjl cjtlbytybz lkz cnthtj
djcghjbpdtltybz6 D[jl b ds[jl lkz cjtlbytybz gj
Dscjrjve ehjdy. cbuyfkf7
Yfqlbnt yf pflytq gfytkb Mirage cf,deathf $ rjvgktrnf
dbynjds[ cjtlbybntktq7 Gfhs j,jpyfxtyyst Input ljk;ys
cjtlbyznmcz c ktdsvb b ghfdsvb rjyytrnjhfvb lkz frecnbxtcrb[
cbcntv yf ecbkbntkt bkb ghb∑vybrt7 Rf;lfz gfhf cjtlbybntktq
jrhfityf d x∑hysq bkb rhfcysq wdtn7 +nb cjtlbybntkb
ljgecrf.n cjtlbytybt cgtwbfkmysvb ghjdjlfvb lkz cjtlbytybz
frecnbxtcrb[ cbcntv ctxtybtv lj !@ – gauge. Pfgjvybnt6 dctulf
cjtlbyzqnt rhfcysq cjtlbybntkm c rhfcysv b x∑hysq
cjtlbybntkm c x∑hysv9 ghb cjtlbytybb c ecbkbntktv 3
ghb∑vybrjv b cf,deathjv7 Tckb Ds ytdjkmyj gthtgenfkb jlby bp
cjtlbybntktq 5xthysq c rhfcysv89 Ds gjxedcndetnt jncencndbt
,fcjd ghb hf,jnt cf,deathf7
Dnjhfz gfhf cjtlbybntktq gj Dscjrjve ehjdy. jnvfhrbhjdfyf
High Level Outputs b vj;tn ,snm bcgjkmpjdfyf lkz gthtlfxb
cbuyfkf yf frecnbxtcrbt cbcntvs7 Bcgjkmpez ghjdjl lkz
frecnbxtcrb[ cbcntv9 cjtlbybnt ktdsq b ghfdsq ds[jls c
cjjndtncnde.obvb d[jlfvb frecnbxtcrb[ cbcntv7 Rf;lfz gfhf
jrhfityf d x∑hysq b rhfcysq wdtnf7 +nb cjtlbybntkb ljgecrf.n
cjtlbytybt cgtwbfkmysvb ghjdjlfvb lkz cjtlbytybz
frecnbxtcrb[ cbcntv ctxtybtv lj !@ – gauge. Pfgjvybnt6 dctulf
cjtlbyzqnt rhfcysq cjtlbybntkm c rhfcysv b x∑hysq
cjtlbybntkm c x∑hysv9 ghb cjtlbytybb c ecbkbntktv 3ghb∑vybrjv
b cf,deathjv7 Tckb Ds ytdjkmyj gthtgenfkb jlby bp
cjtlbybntktq 5xthysq c rhfcysv89 Ds gjxedcndetnt jncencndbt
,fcjd ghb hf,jnt cf,deathf7 Cvjnhbnt lbfuhfvve #7
Rfkb,hjdrf lkz Dscjrjuj ehjdyz cbuyfkf b d[jlyst
cjtlbytybz cf,deathf7
° Rfr ,skj egjvzyenj hfytt9 d[jl Xover Bypass bcrk.xftn
htuekbhe.obt cbcntvs cf,deathf9 rhjvt htuekbhjdrb gj afpt9 d
gjkmpe cbcntv eghfdktybz dcnhjtyys[ d ghb∑vybr bkb
ghjwtccjh7 Ghjcnj drk.xbnt cf,death b cktleqnt
htrjvtylfwbzv bycnherwbb gj =rcgkefnfwbb ghjwtccjhf bkb
ghb∑vybrf7
HERJDJLCNDJ GJ +RCGKEFNFWBB
Lkz gjkextybz yfbkexituj htpekmnfnf9 rjulf Ds ecnfyfdkbdftnt
Dfib frecnbxtcrbt cbcntvs9 pfqvbnt gjpbwb.9 ds,hfyye. Dfvb
lkz ghjckeibdfybz9 b9 tckb =nj djpvj;yj9 ghbdktrbnt to∑ jlyjuj
xtkjdtrf lkz dsgjkytybz yfcnhjqrb7
!7
Cjtlbybnt cf,death gj ds,hfyyjve dfvb vtnjle b drk.xbnt
tuj7
Ecnfyjdbnt hexre htuekbhjdrb ehjdyz Level cf,deathf yf
@7
yfbvtymibq ehjdtym9 lj egjhf9 ghjnbd xfcjdjq cnhtkrb7
Ecnfyjdbnt hexre htuekbhjdrb Frequency yf yfbvtymibq
ehjdtym9 lj egjhf ghjnbd xfcjdjq cnhtkrb7 Drk.xbnt
djcghjbpdtltybt pyfrjvjq vepsrb bkb dbltjrkbg9 rjnjhst
yfcsotys ,fcfvb7
Gkfdyj gjdthybnt hexre htuekbhjdrb ehjdyz Level gj
#7
xfcjdjq cnhtkrt9 lj ljcnb;tybz ,fkfycf vt;le ehjdytv
ds[jlf uke,jrb[ ,fcjd cf,deathf b Dfib[ jcyjdys[
frecnbxtcrb[ cbcntv7 Cvjnhb lbfuhfvve $7
Vtlktyyj gjdthybnt hexre htuekbhjdrb Frequency gj xfcjdjq
$7
cnhtkrt9 lj ljcnb;tybz yfbkexituj ckbzybz ,fcjd c
djcghjbpdtltybtv frecnbxtcrb[ cbcntv7 +nj ,eltn njxrf9 ult
,fcs cj[hfyz.n wtkmyjcnm b gjkyjne7 Tckb ,fcs ckbirjv
uekrbt bkb gkj[j dsltkz.ncz9 Ds ghjikb ckbirjv lfktrj b
ljk;ys gjdthyenm hexre ghjnbd xfcjdjq cnhtkrb lj
ljcnb;tybz njxrb ,fkfycf7 Tckb pder ckbirjv njyjr9
gjdthybnt hexre gj xfcjdjq cnhtkrt lj ljcnb;tybz njxrb
,fkfycf7 Cvjnhbnt lbfuhfvve $7
%7
Rjulf ds yf[jlbntcm d gjpbwbb lkz ghjckeibdfybz9 rnj-nj
lheujq ljk;ty vtlktyyj gthtrk.xfnm htuekznjh afps
vt;le –!*) b ≠!*) uhflecfvb9 lj nt[ gjh gjrf ds yt
jghtltkbnt9 d rfrjv gjkj;tybb djcghjbpdjlzncz yfb,jktt
gjkyst b frrehfnyst ,fcs7
^7
Djpvj;yj Ds ljk;ys ,eltnt gjlcnhjbnm htuekbhjdre
ehjdyz Level bp pf dkbzybz htuekbhjdrb gj afpt7
Cbcntvf htuekbhjdrb ehjdyz cf,deathf hfphf,jnfyf lkz
ljcnb;tybz ,fkfycf vt;le cf,deathjv b frecnbxtcrbvb
cbcntvfvb b yt ljk;yf bcgjkmpjdfnmcz lkz pfvtotybz cbcntv
eghfdktybz ,fcfvb b uhjvrjcnm. ghb∑vybrf bkb ecbkbntkz7
Yfcnhjqnt ehjdtym djcghjbpdtltybz cf,deathf lkz
,tperjhbpytyyjuj djcghjbpdtltybz ybprb[ xfcnjn7 Tckb Ds
;tkftnt ,jkmit ,fcjd ghb djcghjbpdtltybb9 lj,fdmnt ,fcs b
uhjvrjcnm hexrfvb eghfdktybz yf dfitv ecbkbntkt bkb
ghb∑vybrt7
GFYTKM EGHFDKTYBZ
Dsrk.xfntkm gbnfybz
Dsrk.xfntkm gbnfybz ljk;ty ,snm ecnfyjdkty d gjkj;tybt ON
5Drk.xtyj8 lkz yfxfkf hf,jns cf,deathf7 D =njv gjkj;tybb
tktrnhjyyfz c[tvf fdnjvfnbxtcrjuj drk.xtybz b dsrk.xtybz
cf,deathf drk.xtyf7 Tckb dsrk.xfntkm d gjkj;tybb OFF
5Dsrk.xtyj89 gjlfxf =ythubb b aeyrwbjybhjdfybt cf,deathf
ghtrhfotys7 Gjkj;tybt dsrk.xfntkz ON 5Drk.xtyj8
j,jpyfxtyj njxrjq9 yt vfhrbhjdfyyjt gjkj;tybt jpyfxftn OFF
5Dsrk.xtyj87
Htuekbhjdrf ehjdyz
Gjdjhjnjv hexrb rjynhjkz ehjdyz Level, ghjbpdjlbncz
yfcnhjqrf ehjdyz djcghjbpdtltybz cf,deathf9 lkz ljcnb;tybz
,fkfycf c ehjdytv djcghjbpdtltybz jcyjdys[ frecnbxtcrb[
cbcntv7 Nfr;t cvjnhbnt hfpltk Ecnfyjdrf b Rfkb,hjdrf7
36