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Old 01-04-2010, 11:44 PM   #1
boggy
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Default Vreme reverberacije (RT60) u kontrolnim sobama

Zanimljivo da se procita:
http://www.ebu.ch/en/technical/trev/trev_274-hoeg.pdf

pozdrav

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Old 03-04-2010, 01:05 PM   #2
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Default Re: Subjective assessment of audio quality... [EBU dokument]

da li mo?e poja?njenje ?ta je "Operational room response curve"?

?ta je "ISO Noise Rating Curve, NR 15, and should preferably not exceed NR 10." Odnosno koje su to vrednosti
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Old 03-04-2010, 01:26 PM   #3
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Default Re: Subjective assessment of audio quality... [EBU dokument]

http://www.engineeringtoolbox.com/nr...ting-d_60.html

Operational room response curve je frekventni odziv jednog kanala na mestu slusanja. Dati su okviri u kojima je kriterijum zadovoljen (nista ispod 50Hz nije definisano, ali i 50Hz je ozbiljan problem u maloj sobi).

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Old 11-06-2010, 08:39 PM   #4
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Default Re: Subjective assessment of audio quality... [EBU dokument]

Formula za potrebno vreme reverberacije, koje može da varira u izvasnoj meri prema onom grafikonu:
Tm = 0.25*(Room volume/Ref.volume(100))*1/3

Room Volume je zapremina m^3?
ref volume je šta?

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Old 11-06-2010, 09:34 PM   #5
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Default Re: Subjective assessment of audio quality... [EBU dokument]

Quote:
Originally Posted by analog View Post
........
ref volume je ?ta?
......
100m3

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Old 12-06-2010, 03:08 PM   #6
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Default Re: Subjective assessment of audio quality... [EBU dokument]

Ne?to mi ne izlazi očekivani rezultat (Tm should lie in the range: 0.2 < Tm < 0.4 s), gde gre?im?

Zapremina sobe je 63m3

0,25*(63/100)*1/3 = 0.0525
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Old 13-06-2010, 06:27 AM   #7
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Default Re: Subjective assessment of audio quality... [EBU dokument]

Preporuceni RT60 za tvoju sobu treba da bude 0.214s.

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Old 16-06-2010, 07:31 AM   #8
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Default Re: Subjective assessment of audio quality... [EBU dokument]

Znači nije X 1/3 nego je na potencu ^1/3.
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Old 17-06-2010, 12:55 AM   #9
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Default Re: Subjective assessment of audio quality... [EBU dokument]

Hvala!!
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Old 10-12-2010, 12:41 AM   #10
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Default Re: AKUSTICKI TRETMAN MOJE SOBE -Home theatre

Quote:
Originally Posted by awacs View Post
Pa ne postoji "najbolje rešenje", niti će ikada postojati. Postoji gomila "prihvatljivih" rešenja, pa ako se tvoj DIY rad nalazi u tom okviru - super. Uostalom, ljudi koji ovde po Forumu traže savete za izgradnju "studija" zapravo prave lične ateljee (prostore u kojima će lično snimati i miksati). Lični radni prostor. I svako ima pravo da ga organizuje po svom ćefu.

Ćef je tu jedini bitan parametar, a niko ko je koliko-toliko pošten nema obraza da ti garantuje da će zadovoljiti tvoj ćef. Kao što ni ti verovatno svojim klijentima ne možeš da garantuješ da će reverb na dobošu (koji si lično osmislio) da im obezbedi gomilu tezgi i para.

Pozdrav,

Vasa
Hallo vasa

ali kako se mogu sa tobom sloziti. Svako radi da napravi naj bolje. Di pocima diy a di prestaje.
Cilj je poznavati faktore koje su potrene da se ispuni statute rezije. Jer mjesto za snimanje zahtjeva duge mjere. A to je studio. Barem za mene.

Neko je sjeo i definiro je da rt 60 u reziji treba biti 0,3 sek. Tako da tonski technicar ima slicne uvjete. Jedan primjer.

Ns 10 su se iz mog znanja radi toga sto su dobre za onog koji je trazio kutiju koju mozes nositi svugdje sa sobom.
Mislim da sam citao da je tako pocelo sa ns 10.
Ovo ne uzmite milo za zdravo.

Pozz
denis

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Last edited by boggy; 10-12-2010 at 08:08 PM.
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