[linux-audio-dev] applying RIAA curves in software

[Richard Smith]

> I don't want to bring down the great work done by Jamin's authors, but
> if fidelity is among you goals then using Jamin for RIAA equalisation
> would be a bad idea.

Fidelity is in fact the primary goal.

>
> It's quite simple to make an RIAA filter with for example two
> first order lowpass LADSPA plugins. Put them in parallel, set
> one to 50 Hz and the second to 2120 Hz. Mix the outputs in the
> ratio 9 to 1, and the result will be a *perfect* RIAA filter.

Which one is 9  the 50 or the 2120?
Any suggestions on what program I can use to run these?  Audacity will
do LADSPA plugings but I rather something I can script.

--
Richard A. Smith