Subject: Re: [linux-audio-dev] LADSPA proposal ...
From: Marcus Andersson (marcus.t.andersson_AT_spray.se)
Date: Fri May 14 2004 - 18:55:07 EEST
Alfons Adriaensen wrote:
> Another point. I've defended the adoption of simple integer enumerations
>
>(corresponding to a C switch) using the argument that it is the single
>missing essential feature in the port information. At the Karlsruhe BOF
>it was said that this is not true, as the LOGARITHMIC hint does not
>specify the log base. Indeed it doesn't, nor is there any reason why
>it should. The LOG hint means that the user would expect a widget, e.g.
>a slider, that maps a certain displacement to a certain ratio (as opposed
>to difference) of the controlled parameter. So the host has to do a linear
>to exponential conversion, but it is completely irrelevant to what base
>this calculation is done.
>
I thought the idea with the LOGARITHMIC hint was to maximize the
controllability of the parameter and make use of the entire slider range
better. If the base is left out, the host will have to guess, and most
often miss the optimal slider mapping.
Marcus
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