My experience with Limiters (and Compressors) is that "brick wall"
tends to harsh and harsh sounding. Very easy to get "pumping" and 
"breathing" effects which are unwanted. And that's even more so if
you're mixing or mastering. 

I've built, repaired or used hardware Limiters (Valve- UA Limiters) 
and Solid State (UREI 1176 and LA series). I use Dynamic Effects and 
software versions. All of the recording and mastering engineers I 
know, almost always go with the "soft knee" approach, because the 
"brick wall" is so harsh. Unless you're going for a certain effect.
Brick walling is nice for certain filter response curves. 

When it comes to mixing and mastering, all the engineers I know go
for "soft knee" and perfer Tube Limiters or really, really good 
plug-in's that can emulate a "soft knee'd" Tube Limiter (like the 
one that Universal Audio puts out). 

Phil Ramone seems to like their old Tube Limiters, and he also likes 
their plug-in's (had a chat with about that at NAMM in Los Angeles 
couple January's ago). Some of today's plug-in's compare very well 
to the hardware versions, they emulate tube tranfer functions rather 
well. Have had the chance to A/B them a few times. NAMM is coming 
up here in Los Angeles next weekend, so I'll get another chance to
compare again. I'll let you all know what I find,... if you like.
Maybe I'll get a chance to compare notes with Phil again, or Alan
Parsons, or George Massenburg.


Til next weekend, cheers,
-Partev


==================================================================


--- thass@berklee.edu wrote:

From: Thomas Hass 
To: csound@lists.bath.ac.uk
Subject: Re: [Csnd] brick wall limiter
Date: Sat, 14 Jan 2012 00:43:18 -0500

Yes, I've been experimenting with compress quite a lot.  I've gotten
decent  results  with dam used in combination with the transfer
function that Kelly described.  However, the best I can manage so far
is  to  ease the clipping until dam brings the signal down to a
suitable level.  I'll keep experiment with dam and compress and
report back if I get any better results.

Thanks for all the pointers!

Thomas
On Fri, Jan 13, 2012 at 11:32 PM, Steven Yi 
wrote:

  Hi Thomas,
  I don't use limiters very much, but I remembered these filters by
  Eric Spjut:
  http://www.csounds.com/spjut/index.html
  Also, have you tried compress:
  http://www.csounds.com/manual/html/compress.html
  steven

On Fri, Jan 13, 2012 at 2:41 PM, Thomas Hass 
wrote:
> Hello Csounders,
>
> Does anyone have any examples of a good brick wall limiter.  I've
been
> experimenting with the dam opcode, but I can't get the signal to
fall fast
> enough.  Is seems like commercial limiters have a near instant
"fall time".
>  Am I missing some trick to accomplish this?
>
> Thanks
> Thomas

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