EXS 24 Logic Sampler Users Group

Murray McDowall wrote:
> Rene's waveforms for Pentagon 1 -- look at the wavetables in an editor --
might
> make a good source. They are alias free and there is a cycle for each midi
note
> (128 of them).

Tried them allready - not a bad source, but I had problems tuning some of
them though, for *whatever* reasons. I might give them another try though.

> I would expect short wave samples to be out of tune due to sampling being
based
> discrete numbers of samples.  So a 1kHz wave is really only 44 samples per
> cycle if you are sampling at 44.1kHz. If you loop 44 samples you will get
a
> periodic function that is 0.2% too short. A 6%frequency change  is a
semitone
> so you are likely to be something like 3 cent sharp on that example.

Yeah, I allready suspected something similar like that. But WaveLab seems to
be somewhat *more* inaccurate.

> Better tuning would result from more cycles looped say 10 or more at
higher
> frequencies -- pitch errors are smaller for bass notes of course since
they
> will contain more samples per cycle.

Of course.

Cheers,
Sascha