[FFmpeg-devel] [PATCH] RDFT for Bink and QDM2

Bobby Bingham uhmmmm
Wed Jan 21 01:15:38 CET 2009


On Tue, 20 Jan 2009 19:50:37 +0100
Michael Niedermayer <michaelni at gmx.at> wrote:
> > >> + * @param sign_convention The sign of j of the forward FFT.
> > >
> > > i do not understand this, j is a variable that has no clear
> > > relation to a FFT
> > >
> > 
> > j is the unit vector in the vertical direction on the complex
> > plane. j = sqrt(-1).
> 
> wasnt that i, i for imaginary?
> 

Electrical engineers generally use j because i is used for electrical
current.

-- 
Bobby Bingham
Never trust atoms.  Or anything made of atoms.
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