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

Richard Audette RAudette at OrganWorks.com
Tue Oct 25 15:06:49 UTC 2005


Not sure if it's scriptable, but I believe Audacity has this built in:
Effects -> Equalization -> RIAA

Richard

At 09:38 AM 10/25/2005, you wrote:
>I'm going to convert my fathers record collection over to CD.  Doing
>some google research.
>
>According to http://www.tracertek.com/newway.htm they claim the "new"
>and best way to do LP to CD is to use a flat preamp, record at 24bit,
>96kHz and then apply the RIAA curve in software after the fact.
>Either before or after the DeNoise, De-Click, etc depending.  I've
>also seen a few other sites that say the same type things.
>
>tracertek sells doze software to do the whole ball of wax but I'd like
>to use Linux.
>
>I haven't found any RIAA filters yet so I guess I'm looking at
>writeing one.  So does anyone have any information on where to find
>the official RIAA curve to make a plugin from?
>
>They also recommend using a pink-noise record to calibrate your setup
>and then adjust the curve so it matches your system.
>
>--
>Richard A. Smith





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