[LAD] Songanalysis and LADSPA plugins

Paul Davis paul at linuxaudiosystems.com
Mon Jul 13 14:21:03 UTC 2009


On Mon, Jul 13, 2009 at 9:37 AM, Julien Claassen<julien at c-lab.de> wrote:
> Hello all!
>   I've known this package "songanalysis" for quite some time. But now I
> wondered, if it might be possible to build a LADSPA plugin from this, or if it
> would be possible to include it in ecasound as an option. It can do tempo
> analysis, but more importantly it can do frequency dependent volume analysis,
> which might be very helpful for text-based mastering. It uses a special scale
> Mel? or was it Cepstra? to set the static bandwidth. Not as good as graphic
> JaMIN output, but certainly of more help than ears only for a first stab. :-)
>   The package is here:
> http://nixbit.com/cat/multimedia/audio/songanalysis/

I didn't look at this, but I think you don't really want to do this
with LADSPA which was intended primarily for realtime plugins. VAMP is
much better suited for this, and the VAMP plugin suites(s) already
contain some very interesting analysis plugins.

--p



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