Tento \u010dl\u00e1nek je potvrzen\u00edm v\u00fd\u0161e uveden\u00e9 odpov\u011bdi, kter\u00e1 vych\u00e1z\u00ed ze sou\u010dasn\u00fdch trend\u016f a po\u017eadavk\u016f trhu s PA a vlastnost\u00ed nejlep\u0161\u00edch zna\u010dek:\u00a0Meyer Sound Galaxy<\/strong><\/a>, <\/strong>Obrys Newton<\/strong><\/a>, <\/strong>L-Acoustics P1<\/strong><\/a>, <\/strong>XTA MX36<\/strong><\/a>\u00a0a vedouc\u00ed funkce DirectOut Prodigy<\/strong><\/a>, Maven<\/strong><\/a> a ACE<\/strong><\/a>.<\/p>\n\n\n\n 1 Babylonsk\u00e1 v\u011b\u017e: Protokoly a konverze<\/strong><\/p>\n\n\n\n Jedn\u00edm z hlavn\u00edch probl\u00e9m\u016f modern\u00edch pron\u00e1jm\u016f je \u201edigit\u00e1ln\u00ed babylonsk\u00e1 v\u011b\u017e\u201d. Na jednom festivalu mohou b\u00fdt konzole, kter\u00e9 vys\u00edlaj\u00ed sign\u00e1l po Dante, Soundgrid <\/strong>a\/nebo AES\/EBU<\/strong>, p\u0159enosov\u00fd v\u016fz vy\u017eaduj\u00edc\u00ed MADI <\/strong>nebo RAVENNA<\/strong>, PA syst\u00e9m, kter\u00fd funguje na AVB\/Mil\u00e1n<\/strong>, plus hostuj\u00edc\u00ed realiz\u00e1tor s analogov\u00fdm outboardem, jako jsou ekvaliz\u00e9ry, kompresory, p\u0159edzesilova\u010de nebo cel\u00e9 kan\u00e1lov\u00e9 li\u0161ty.<\/p>\n\n\n\n Ne v\u0161echna za\u0159\u00edzen\u00ed dostupn\u00e1 na trhu nab\u00edzej\u00ed mo\u017enost pr\u00e1ce s tak \u0161irokou \u0161k\u00e1lou form\u00e1t\u016f. T\u00e9m\u011b\u0159 \u017e\u00e1dn\u00e9 z t\u011bchto za\u0159\u00edzen\u00ed nepracuje v dom\u00e9n\u011b FIX - tj. m\u00e1 pevn\u011b dan\u00e9 mo\u017enosti p\u0159ipojen\u00ed zdroje IN a OUT, nej\u010dast\u011bji analogov\u00e9, AES\/EBU a Dante. Procesory nab\u00edzen\u00e9 zna\u010dkou DirectOut<\/a> maj\u00ed v\u00fdhodu modul\u00e1rn\u00ed konstrukce, to znamen\u00e1, \u017ee mohou implementovat karty ve v\u0161ech mo\u017en\u00fdch dostupn\u00fdch zvukov\u00fdch form\u00e1tech (dostupn\u00e9 karty pro Prodigy a Maven<\/a>). Jedn\u00e1 se o jak\u00fdsi univerz\u00e1ln\u00ed p\u0159eklada\u010d form\u00e1t\u016f, kter\u00fd m\u016f\u017eeme individu\u00e1ln\u011b p\u0159izp\u016fsobit i dan\u00e9 ud\u00e1losti podle pot\u0159eb a hlavn\u011b odd\u011blen\u00edm hodin.<\/p>\n\n\n\n Vr\u00e1t\u00edme-li se k podstat\u011b, tedy k tomu, co p\u016fj\u010dovna v sou\u010dasn\u00e9 dob\u011b pot\u0159ebuje, stoj\u00ed za to postarat se o n\u011bkolik funkc\u00ed zvukov\u00e9ho procesoru \/ matrice:<\/p>\n\n\n\n T\u00edmto zp\u016fsobem se PA spole\u010dnost nemus\u00ed starat o to, v jak\u00e9m form\u00e1tu bude sign\u00e1l FOH p\u0159ich\u00e1zet - procesor p\u0159ijme v\u0161e a vr\u00e1t\u00ed zp\u011bt to, co zesilova\u010de pot\u0159ebuj\u00ed.<\/p>\n\n\n\n 2 Srdce syst\u00e9mu: Vylad\u011bn\u00ed DSP a PA<\/strong><\/p>\n\n\n\n Dal\u0161\u00edm d\u016fvodem, pro\u010d m\u00edt dsp procesor \/ matrici, je jemn\u00e9 dolad\u011bn\u00ed PA syst\u00e9mu. Ka\u017ed\u00e9 z uveden\u00fdch za\u0159\u00edzen\u00ed nab\u00edz\u00ed v\u00fdkonn\u00e9 v\u00fdpo\u010detn\u00ed prost\u0159edky, ale li\u0161\u00ed se sv\u00fdm p\u0159\u00edstupem a mo\u017enostmi. MUS\u00cdTE M\u00cdT n\u00e1\u0161 procesor:<\/p>\n\n\n\n Filtry a jejich typy:<\/strong> <\/p>\n\n\n\n - IIR<\/strong> - Hlavn\u00edm rysem je jejich rekurzivnost. To znamen\u00e1, \u017ee v\u00fdstupn\u00ed sign\u00e1l z\u00e1vis\u00ed nejen na aktu\u00e1ln\u00edch a minul\u00fdch vstupn\u00edch vzorc\u00edch, ale tak\u00e9 na p\u0159edchoz\u00edch v\u00fdstupn\u00edch vzorc\u00edch. Zjednodu\u0161en\u011b \u0159e\u010deno: filtr si \u201epamatuje\u201d sv\u00e9 p\u0159edchoz\u00ed kroky a zacykluje je, d\u00edky \u010demu\u017e teoreticky trv\u00e1 impulzn\u00ed odezva neomezen\u011b dlouho (odtud n\u00e1zev). D\u00edky tomu tyto filtry dokonale napodobuj\u00ed chov\u00e1n\u00ed analogov\u00fdch elektronick\u00fdch obvod\u016f.<\/p>\n\n\n\n - FIR<\/strong> - Na rozd\u00edl od filtr\u016f IIR nemaj\u00ed filtry FIR zp\u011btnou vazbu. V\u00fdstupn\u00ed sign\u00e1l z\u00e1vis\u00ed pouze na sou\u010dasn\u00fdch a minul\u00fdch vstupn\u00edch vzorc\u00edch. Tento filtr \u201eprotla\u010duje\u201d sign\u00e1l p\u0159es \u0159adu n\u00e1sobi\u010d\u016f, co\u017e se matematicky naz\u00fdv\u00e1 spl\u00e9t\u00e1n\u00ed. K dosa\u017een\u00ed p\u0159esn\u00fdch \u0159ez\u016f pot\u0159ebuje filtr FIR tis\u00edce takov\u00fdch bod\u016f, co\u017e zna\u010dn\u011b zat\u011b\u017euje procesor, tak\u017ee ne ka\u017ed\u00fd komer\u010dn\u011b dostupn\u00fd DSP ur\u010den\u00fd pro trh ozvu\u010dov\u00e1n\u00ed bude schopen otev\u0159\u00edt v\u011bt\u0161\u00ed po\u010det takov\u00fdch p\u0159\u00edpad\u016f.<\/p>\n\n\n\n A co latence? P\u0159esn\u00e9 n\u00e1stroje nemaj\u00ed r\u00e1dy kompromisy. <\/p>\n\n\n\n Srovn\u00e1n\u00ed: FIR vs. IIR<\/strong><\/p>\n\n\n\n Spolupr\u00e1ce se softwarem Smaart:<\/strong><\/p>\n\n\n\n P\u0159edstavte si, \u017ee m\u00e1te procesor dsp integrovan\u00fd se softwarem Smaart a m\u016f\u017eete m\u00edt v\u0161echna data v jednom okn\u011b. DirectOut se nesna\u017e\u00ed vykopnout otev\u0159en\u00e9 dve\u0159e - nam\u00edsto vytvo\u0159en\u00ed vlastn\u00edho analyz\u00e1toru si software Globcon, kter\u00fd se pou\u017e\u00edv\u00e1 k podpo\u0159e procesor\u016f zna\u010dky DirectOut, \u201erozum\u00ed\u201d se spole\u010dnost\u00ed Smaart prost\u0159ednictv\u00edm sv\u00e9ho rozhran\u00ed API. To umo\u017e\u0148uje zobrazit nam\u011b\u0159en\u00e1 data p\u0159\u00edmo v okn\u011b ekvaliz\u00e9ru (EQ) procesoru PRODIGY, MAVEN nebo ACE.<\/p>\n\n\n\n Pr\u00e1ce s r\u016fzn\u00fdmi hodinami (SRC):<\/strong> <\/p>\n\n\n\n Ve festivalov\u00e9m prost\u0159ed\u00ed se \u010dasto setk\u00e1v\u00e1me s r\u016fzn\u00fdmi vzorkovac\u00edmi frekvencemi (44,1, 48, 96,192 kHz). Funkce Rychl\u00e9 SRC<\/strong> (Sample Rate Conversion), kter\u00e1 je p\u0159\u00edtomna v pokro\u010dil\u00fdch DSP jednotk\u00e1ch, jako je DirectOut Prodigy nebo Maven, umo\u017e\u0148uje bezprobl\u00e9mov\u011b kombinovat sign\u00e1ly z r\u016fzn\u00fdch zdroj\u016f s r\u016fzn\u00fdmi hodinami bez digit\u00e1ln\u00edch prasklin (glitch\u016f). Takov\u00e1 funkce tak\u00e9 poskytuje svobodu p\u0159i konfiguraci nez\u00e1visl\u00fdch s\u00edt\u00ed AoIP (nap\u0159. Dante) p\u0159i propojen\u00ed s\u00edt\u011b odpov\u011bdn\u00e9 za \u017eiv\u00e9 vystoupen\u00ed se s\u00edt\u00ed odpov\u011bdnou za p\u0159enos (p\u0159enosov\u00fd voz\u00edk).<\/p>\n\n\n\n 3 Bezpe\u010dnost p\u0159edev\u0161\u00edm: Redundance a dal\u0161\u00ed funkce.<\/strong><\/p>\n\n\n\n Nejd\u016fle\u017eit\u011bj\u0161\u00ed funkc\u00ed p\u016fj\u010dovny je spolehlivost. V\u00fdpadek hlavn\u00edho sign\u00e1lu b\u011bhem koncertu je no\u010dn\u00ed m\u016frou. Zde je \u00faloha \u201ep\u0159ep\u00edna\u010de\u201d kl\u00ed\u010dov\u00e1.<\/p>\n\n\n\n Za\u0159\u00edzen\u00ed jako nap\u0159. XTA MX36<\/strong> byly navr\u017eeny speci\u00e1ln\u011b pro jednoduch\u00e9 p\u0159ep\u00edn\u00e1n\u00ed konzol\u00ed. Ve velk\u00fdch syst\u00e9mech je v\u0161ak zapot\u0159eb\u00ed tuto funkci automatizovat, aby syst\u00e9mov\u00fd in\u017een\u00fdr nebo FOH in\u017een\u00fdr nemusel myslet na to, \u017ee mus\u00ed hl\u00eddat dal\u0161\u00ed v\u011bci.<\/p>\n\n\n\n Kter\u00e9 z procesor\u016f a matic na trhu tedy maj\u00ed mo\u017enost skute\u010dn\u00e9 redundance nap\u00e1jen\u00ed, p\u0159ep\u00edn\u00e1n\u00ed sign\u00e1lu, ztr\u00e1ty hodin a mo\u017enost pr\u00e1ce v zrcadlov\u00e9m re\u017eimu pro velk\u00e9 \u017eiv\u00e9 a televizn\u00ed produkce?<\/p>\n\n\n\n V\u0161echny v\u00fd\u0161e uveden\u00e9 funkce najdete v programech Prodigy a Maven. DirectOut dokonce p\u0159i\u0161el s vlastn\u00edm zp\u016fsobem p\u0159ep\u00edn\u00e1n\u00ed \u201eztracen\u00fdch\u201d sign\u00e1l\u016f, kter\u00fd si nechal patentovat a nazval jej EARS (Enhanced Automatic Redundancy Switching), kter\u00fd dob\u0159e funguje jako funkce hlavn\u00edho procesoru, ale tak\u00e9 jako p\u0159ep\u00edna\u010d p\u0159ehr\u00e1v\u00e1n\u00ed. <\/p>\n\n\n\n V oblasti zabezpe\u010den\u00ed se jedn\u00e1 o \u201ep\u0159evratnou novinku\u201d. Syst\u00e9m EARS nen\u00ed pouh\u00fdm p\u0159ep\u00edn\u00e1n\u00edm p\u0159i absenci sign\u00e1lu. Je to pokro\u010dil\u00e1 logika, kter\u00e1 dok\u00e1\u017ee analyzovat pilotn\u00ed t\u00f3n<\/strong>, digit\u00e1ln\u00ed stav (BLDS) nebo \u00farove\u0148 zvuku, aby se provedlo dokonal\u00e9, nesly\u0161iteln\u00e9 p\u0159epnut\u00ed na z\u00e1lo\u017en\u00ed zdroj. \u017d\u00e1dn\u00e9 konkuren\u010dn\u00ed za\u0159\u00edzen\u00ed nenab\u00edz\u00ed tak pokro\u010dilou logiku spou\u0161t\u011bn\u00ed redundance.<\/p>\n\n\n\n V\u00edce o samotn\u00e9 funkci EARS: <\/p>\n\n\n\n![\"Procesor](\"https:\/\/commercialaudio.pl\/wp-content\/uploads\/2026\/05\/Projekt-bez-nazwy-97.jpg\")
<\/figure>\n\n\n\n\n
![\"\"](\"https:\/\/commercialaudio.pl\/wp-content\/uploads\/2026\/05\/PRODIGY-MP-foh.jpg\")
<\/figure>\n\n\n\nFunkce<\/strong><\/td> FIR (line\u00e1rn\u00ed f\u00e1zov\u00fd) filtr<\/td> IIR filtr (nulov\u00e1 latence)<\/td><\/tr> F\u00e1ze<\/strong><\/td> Line\u00e1rn\u00ed (bez f\u00e1zov\u00e9ho zkreslen\u00ed)<\/td> Posunut\u00fd (f\u00e1zov\u00e9 zkreslen\u00ed)<\/td><\/tr> Zpo\u017ed\u011bn\u00ed<\/strong><\/td> Velmi vysok\u00e1<\/td> Minimum \/ nula<\/td><\/tr> Prost\u0159edky procesoru<\/strong><\/td> Vysok\u00e1<\/td> N\u00edzk\u00e1<\/td><\/tr> Artefakty<\/strong><\/td> P\u0159edzv\u011bst (ozv\u011bna p\u0159ed zvukem)<\/td> Post-ringing (zvon\u011bn\u00ed po zvuku)<\/td><\/tr> Stabilita<\/strong><\/td> V\u017edy stabiln\u00ed<\/td> M\u016f\u017ee b\u00fdt nestabiln\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n \n
![\"\"](\"https:\/\/commercialaudio.pl\/wp-content\/uploads\/2026\/05\/IMG_6415.jpg\")
<\/figure>\n\n\n\n![\"\"](\"https:\/\/commercialaudio.pl\/wp-content\/uploads\/2026\/05\/AES3-1.png\")
<\/figure>\n\n\n\n\n