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[tech]0 db?
 

offline big from lsg on 2005-03-27 01:08 [#01544730]
Points: 23730 Status: Lurker | Show recordbag



so am i allowed to go over it a bit?
i noticed when i remixed all my tracks and went way over it
the cd sounded to loud or, on other stereo's, too blurry
what is a bit? way over it was only 1 db


 

offline isnieZot from pooptown (Belgium) on 2005-03-27 01:19 [#01544733]
Points: 4949 Status: Lurker



if you go over 0 db you have clipping....that means reduced
soundquality. it's best to stay under it. you could use a
limiter to keep things under 0 db. but it's best to mix your
tracks to -1 db.
so the person who masters your track has some room.
and why does everything have to sound loud? just make sure
everything is sounding in balance and don't base yourself on
how loud it sounds.the person who will master your tracks
knows what to do with that.


 

offline big from lsg on 2005-03-27 01:40 [#01544735]
Points: 23730 Status: Lurker | Show recordbag



hm, im not sure about the -1 db
what's the 0 db based on anyway? cd's get louder and louder


 

offline isnieZot from pooptown (Belgium) on 2005-03-27 04:19 [#01544771]
Points: 4949 Status: Lurker



on a audio cd you have a max of about 96 DB of dynamics the
term for that is "0DBFS" (FS stands for Full Scale).
so 0 db is the max headroom you have. everything above that
distorts (called clipping). here's a a picture that will
make it clear.
LAZY_TITLE

on the top we see a sine on 0db. nothing wrong with that.
on the bottom we have a sine that goes above 0db. see what
happens?? your sine bumps its "head" agains the "ceiling".
the sine doesn't have anymore headroom and distorts.
and that will also happen to your sound when you go above
the 0db limit.


 

offline isnieZot from pooptown (Belgium) on 2005-03-27 04:23 [#01544773]
Points: 4949 Status: Lurker | Followup to isnieZot: #01544771



also the 96 db is when you record in 16 bits. if you record
in 32 bits you have 144 dbSPL (sound pressure level)


 

offline isnieZot from pooptown (Belgium) on 2005-03-27 04:28 [#01544774]
Points: 4949 Status: Lurker



the 96 db= 16 bit because every bit is 6 DB
the 144 db= 24 (24-6db=144)


 

offline isnieZot from pooptown (Belgium) on 2005-03-27 04:28 [#01544775]
Points: 4949 Status: Lurker | Followup to isnieZot: #01544773



that 32 bit should be 24 bit


 

offline isnieZot from pooptown (Belgium) on 2005-03-27 04:31 [#01544776]
Points: 4949 Status: Lurker | Followup to isnieZot: #01544774



96 db = 16 bit <--(16 times 6db= 96)
144 db= 24 bit <--(24 times 6db= 144)

i can't type


 

offline big from lsg on 2005-03-27 04:33 [#01544777]
Points: 23730 Status: Lurker | Show recordbag



you kinda lost me there, but otherwise you're informative


 

offline isnieZot from pooptown (Belgium) on 2005-03-27 04:37 [#01544778]
Points: 4949 Status: Lurker | Followup to big: #01544777



but do you understand the post with the picture? that's the
important part.
you can ignore the rest. I don't even get that 100% to be
honest. it's just audio geek talk.


 

offline big from lsg on 2005-03-27 05:22 [#01544789]
Points: 23730 Status: Lurker | Followup to isnieZot: #01544778 | Show recordbag



yes, i do sir


 

offline qrter from the future, and it works (Netherlands, The) on 2005-03-27 09:22 [#01544880]
Points: 47414 Status: Moderator



as far as I know the decibel system is relative system of
measurement.

I thought I'd type that.


 


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