>
> > The RIAA record curve reduces bass and increases treble, and the reverse
> > RIAA curve for playback does the opposite.
>
> Sorry, but this is plain wrong. The RIAA filter used when cutting a disk
> master will boost bass (below 50 Hz), and reduce high frequencies. This
> actually leads to a worse S/N ratio on playback. It looks like this:
I'm confused then.
This page:
http://www.bonavolta.ch/hobby/en/audio/riaa.htm
Has a spread sheet that runs the math on the equation presented.
Unless I'm just backwards for RIAA reproduction it yeilds roughly 20dB
of gain for 20Hz and -21dB for 21kHz. Which seems backward from what
you are saying.
-- Richard A. SmithReceived on Wed Oct 26 04:15:08 2005
This archive was generated by hypermail 2.1.8 : Wed Oct 26 2005 - 04:15:08 EEST