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Audio Produkcija - Tehnike Audio in?enjering, usnimavanje, tehnike mixa. Mesto za razmenu iskustva vezanih za DAW produkciju. Imate pitanje? Potreban vam je stručan odgovor? Podelite sa nama tajne produkcije i recording/editing tehnike

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Old 04-04-2005, 08:17 PM   #11
zvincic
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mislim da o headroomu ne mozemo govoriti kada je digitalija u pitanju posto ona "radi" samo i iskljucivo do 0 dB. sve preko toga ide u clip koji u slucaju digitalije nije lijep...sto i sami nate uostalom.

veliki headroom kod npr. pulta znaci da mozes kanal potjerat preko 0 dB bez izoblicenja ali ako to snimas na sabirnici ga ipak trebas stisati.

tako da je potpuno ispravno ono sto je receno: koliko moze ici preko nule bez izoblicenja no, samo u analognoj domeni.
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Old 04-04-2005, 08:26 PM   #12
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a/d konverter 0db = distorzija
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Old 04-04-2005, 08:47 PM   #13
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a d/a konverzija je u headroom-u?
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Old 05-04-2005, 01:05 AM   #14
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digitalni i analogni headroom su dve skroz razlicite stvari..
slazem se sa zvincicem..
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Old 05-04-2005, 01:08 AM   #15
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Quote:
Originally Posted by lesha
digitalni i analogni headroom su dve skroz razlicite stvari..
slazem se sa zvincicem..
digitalni headroom je zapravo oksimoron
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Old 05-04-2005, 02:07 AM   #16
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definicija na engleskom:

Expressed in dB, the difference between the highest level present in a signal and the maximum level an audio device can handle without noticeable distortion.

Ovo kontam da ako je 0 decibela "highest level", svaki signal koji se pojaca preko toga do granica primetne distorzije = headroom

Ali, headroom i u smislu popunjavanja frekvencijskog opsega u mixu. Tj. ako imam kick i bass koji su po frekvenciji isti, oni ce smanjiti "headroom" tj. sabra?e se njihove frekvencije i eto ih 0db. Ako ih EQ-om podelimo (stavimo u razlicite frekvencijske opsege) eto nam prostora do 0db tj. headroom-a.

A iskusni gost kaze:

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Originally Posted by vlado
Jedino sto se tice headrooma, on je u software-u-digitalnom domenu uopste, bas mali. To uglavnom vazi za analogne stolove, sto skuplje-to je headroom veci.
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Old 05-04-2005, 02:21 AM   #17
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Quote:
Originally Posted by ProkDu
Expressed in dB, the difference between the highest level present in a signal and the maximum level an audio device can handle without noticeable distortion.
prevod sa engleskog:
"iskazano u dB, razlika izmedju najviseg nivoa signala i maksimalnog nivoa kog audio uredjaj moze da izdrzi bez primetne distorzije"

sto ce reci, da je headroom u digitaliji prostor izmedju peak-a i 0 dB, a u analogiji peak moze ici preko nule dok ne pocne da distorzira.

nadam se da je konacno jasno
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Old 05-04-2005, 03:06 AM   #18
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touchdown 8)
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