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18-07-2006, 07:15 PM
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Mason
Join Date: May 2003
Location: Otkude Ni?, Serbia
Posts: 5,520
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Re: Hi Pass - poredjenje EQ-a
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18-07-2006, 07:25 PM
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#2 |
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Moderator
Join Date: Sep 2005
Location: Beograd
Posts: 6,200
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Re: Hi Pass - poredjenje EQ-a
Karakteristike su vam malo "grbave", posto ste ih verovatno "merili" sa white noise... u prirodi nisu takve, ahm... barem ih je (filtre) malo teze napraviti tako grbavim...
pozdrav bogi
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Email: boggy@myroom-acoustics.com --"We can never see past the choices we don't understand." (Oracle, The Matrix Reloaded) |
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18-07-2006, 07:29 PM
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#3 | |
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Mason
Join Date: May 2003
Location: Otkude Ni?, Serbia
Posts: 5,520
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Re: Hi Pass - poredjenje EQ-a
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http://www.facebook.com/idekius |
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18-07-2006, 07:36 PM
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#4 | |
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Moderator
Join Date: Sep 2005
Location: Beograd
Posts: 6,200
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Re: Hi Pass - poredjenje EQ-a
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Ziva istina! Nisam procitao sta pise, nego sam gledao slike... izvin'te!  pozdrav bogi
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Email: boggy@myroom-acoustics.com --"We can never see past the choices we don't understand." (Oracle, The Matrix Reloaded) |
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18-07-2006, 08:23 PM
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#5 | |
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Pro Member
Join Date: Oct 2004
Posts: 1,598
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Re: Hi Pass - poredjenje EQ-a
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Probaj Sony Paragraphic EQ. "Enable Low-shelf" bi trebao da bude hi-pass. Nema sanse da skines vise od 20db-a. Fuck it, zasto se onda zove hi-pass kad propusta toliko low end-a. To ce opet, taj low end, da se negde sabere, jbg. Time sam pre neki dan pokusao neki sempl snare da ocistim i ...  .I onda postavljam pitanje cime? tj. kako? Ne 60db, vec 100db-a, 120db-a, ~, jer ne zelim nista tu (u tom opsegu).
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" .... we are breakbeat troopers and intergalactic travelers." |
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18-07-2006, 08:52 PM
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#6 | |
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Moderator
Join Date: Sep 2005
Location: Beograd
Posts: 6,200
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Re: Hi Pass - poredjenje EQ-a
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A mislim da bas ne zvuci sjajno... Brickwall filter (ali low-pass) se koristi u AD konvertorima kada rade u modu 44.1kHz i tada je on podesen na 22.05KHz, to je po standardu, i da toga nema CD bi zvucao jos gore nego sto zvuci, jer bi se sve visokofrekventne smetnje iz signala koji konvertujemo (a koje inace ne cujemo), translirale u cujni opseg zbog pojave aliasinga. Obican hi pass (iz nase price) sa slope od 24db/oct na 300Hz ti spusta (kako i pise) na 150Hz nivo za 24dB, na 75Hz - 48dB a na 37.5Hz - 72dB... i ne moze bolje od toga teoretski... inace nije 24dB/oct. Ako ovo sto sam napisao nije slucaj, onda imas problem sa filtrom, odnosno ne valja filter. Kod s/w filtera je znacajno kako je implementiran i koliko je precizna matematika tog filtra, posto su ostaci koji se ne uklapaju u teoriju cesto posledica toga. Te ono sto je kod h/w filtra sum, ili los dizajn,... ovde je matematika i rezolucija. Ako zelis da ipak "pobijes" sto vise ispod 300Hz (ili bilo koja druga frekvencija) sa high pass filtrom , probaj kaskadnu vezu vise filtarskih modula, i time povecanje reda filtra... mada budi pazljiv i proveravaj da li ima premasenja u karakteristici... posto moraju da se sloze i q faktori filtera da ne bi imao peaking u karakteristici... Ili nadji neki brickwall filter u FIR tehnologiji... itd... Cak i pored svega ovoga, kada sve ovo uradis, i ostane ti ravan "ostatak" u reject opsegu, njegov nivo (ostatka) ti pokazuje koliko je cela procedura softverski precizna i uspesna... jer teoretski treba da ima konstantan slope. Generalno za ono sto tebi treba kljucna rec je brick-wall.  pozdrav bogi
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Email: boggy@myroom-acoustics.com --"We can never see past the choices we don't understand." (Oracle, The Matrix Reloaded) |
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18-07-2006, 08:56 PM
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#7 | |
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Moderator
Join Date: Sep 2005
Location: Beograd
Posts: 6,200
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Re: Hi Pass - poredjenje EQ-a
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pozdrav bogi p.s. http://en.wikipedia.org/wiki/Equalization
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Email: boggy@myroom-acoustics.com --"We can never see past the choices we don't understand." (Oracle, The Matrix Reloaded) |
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18-07-2006, 09:18 PM
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#8 |
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Pro Member
Join Date: Jan 2005
Posts: 3,357
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Re: Hi Pass - poredjenje EQ-a
Probao sam ga i ja .... pise Hi pass ..... ali se ponasha kao low shelf ..... vrlo lose ..... najprecizniji je Algorythmics orange .... od svih koji sam probao .....
Pzdrav |
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18-07-2006, 10:53 PM
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#9 | |
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Psiho
Join Date: May 2006
Location: Rijeka / HR
Posts: 1,172
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Re: Hi Pass - poredjenje EQ-a
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"It occurred to me by intuition, and music was the driving force behind that intuition. My discovery was the result of musical perception". Albert Einstein speaking about his discovery. |
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18-07-2006, 11:59 PM
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#10 | |
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Vibrator
Join Date: Aug 2004
Location: Novi Sad
Posts: 6,484
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Re: Hi Pass - poredjenje EQ-a
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