On Tue, Aug 10, 2004 at 12:48:42 +0200, derek holzer wrote: JAMin has some denormal killing code that protects it from denormals coming in from outside. Its possible a small number could be generated internally, it shouldn't happen often though. None of the plugin have feedback loops or filters AFAICR, so they shouldn't cause denormals. Try connecting a jack bitscope to one output and see if the denormal counter increases: http://www.ecs.soton.ac.uk/~njl98r/code/ladspa/ - Steve

Austin <aacton(a)yorku.ca> writes: Hmm. Looks like gcc-3.4 is quite correct to complain. I think this works, please let me if it does or not... -- joq

While we're on the subject, could anyone point to a tutorial or something similar that covers mastering? Big subject, I know, but I am wanting to know more about it. Does anyone have some Jamin presets that they could share ? Seems like there is a big concern in some genre that one's recording sounds "as loud as" anyone else's. Leads to a bit heavy handed compression, I think. Beyond allowances for various redistribution EQ types, what is being achieved ?

On Mon, Aug 09, 2004 at 08:15:52PM -0400, John Check wrote: Neither, the 30 band changes to reflect whats in the paramtric as closely as it can, just ignore it if you dont want to use it, its mostly there incase we ever implement the console interface. I guess it could have been additive, it wouldn't make much difference and might be less confusing. - Steve

On Mon Aug 9 13:32:31 2004 Alastair Couper wrote: I found the 'Articles' section at <http://www.digido.com> to be a good starting point. But, of course, they're trying to sell the book. -- Jan Weil http://linuxaudioblog.jawebada.de

Hi, Maybe it's simpler than we think. I'll try to explain by stating that Mastering is all about loudness and nothing else. That statement is close enough to true when there's nothing wrong with the mixes that you're working on. Assume you have 10 great sounding mixes but they aren't loud enough and that everyone of them has a max peak of -10.0dbfs. The first opportunity is to claim 10db--increase peaks to 0.0dbfs. JAMin and every other mastering solution have numerous gain stages; input, eq, compressor, limiter, boost/softclip, output. In this simplified scenario, we fix all ten mixes by increasing input gain 10db. The input gain might give us a max peak of 0.0dbfs for every song but this is unlikely to produce enough loudness. The single remaining challange is to increase the average response. The peak is the loudest frequency while the average is the max response level for the majority of the frequency range. How to describe this: In the audible range of 20Hz to 20kHz, all of our example mixes have one frequency peak from 250Hz to 500Hz. When 250-500Hz is peaked at 0.0dbfs, every other frequency is at -20.0dbfs. Well, how could it be any easier than this? It couldn't! If equalization is used to adjust 250-500Hz by -10.0dbfs the gap between the peak and the average is 10db. But that isn't enough so we select the low band of the compressor and apply a 10:1 ratio of compression to close the rest of the gap. This creates a new average peak at -20.0dbfs. We've got 20db of headroom and all of the aforementioned gain stages can be used to move the average up to 0.0dbfs. Now we've got loudness and a hell of alot of it. Obviously real mixes have numerous "errant" frequency bands and the objective isn't to bash the hell out of them. The example is far from reality but it describes the primary objective and demonstrates how to use the tools of a mastering application to reach the goal. Now we can put bandages on crappy mixes and excersize our last opportunity for creativity--an often mentioned mastering concept that makes me want to load the shotguns. But first-things-first, it's coffee time. ron __________________________________ Do you Yahoo!? New and Improved Yahoo! Mail - Send 10MB messages! http://promotions.yahoo.com/new_mail

On Mon, 2004-08-09 at 19:32, Alastair Couper wrote: Go to soundonsound.com and look at the "technique" articles. There's a mastering section in there (though it's much emptier than the other sections). There's an article specifically about the "loud at all costs" issue actually. soundonsound.com is your friend.. -DR-

On Mon, 2004-08-09 at 18:17, Jan Depner wrote: Done.