Subject: Re: [linux-audio-dev] TAP Scaling Limiter - how's it work?
From: Steve Harris (S.W.Harris_AT_ecs.soton.ac.uk)
Date: Tue Feb 17 2004 - 18:02:26 EET
On Tue, Feb 17, 2004 at 10:47:59AM -0500, Paul Winkler wrote:
> Hi folks, and Tom if you're listening,
>
> The description of the TAP Scaling Limiter is
> very interesting - http://tap-plugins.sourceforge.net/#limiter
> I'm just curious, having done no real DSP coding -
> it must do some internal buffering, right?
>
> So how does it deal with half-cycles that fall on the edge of a
> buffer? It seems to me that you can't process the final
> half-cycle without refilling the buffer, but you can't refill the
> buffer until you've processed all its data - or can you?
I havent looked at the code, but generally you use a ring-buffer to keep
the past N samples and refer to that, rather that dealing with
LADSPA-sized buffers.
- Steve
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