Joseph Ashwood wrote:

In general, no. For most purposes though, you can get it close enough to not
matter. For reasonable purposes you can even get it perfect. If you convert
between 44.1 and 88.2 you can do it perfect every time, but if you convert
to 88.201 your samples will very slowly drift no matter how you do it.

Drift? To where?

You
can of course get very close approximations using b and cubic splines for
interpolation,

And much much better using a polyphase or a real sinc reconstruction
filter. The accuracy of sinc reconstruction is limited only by the
length of its windowed approximation (a sinc is infinite in both
directions and monotonically decreasing in amplitude away from its center.)

and even to a lesser degree the linear approximation that is
commonly used.

Neither linear approximation nor spline interpolation are used in any
DAW software or plugins. They are the quickest and dirtiest methods
that can possibly be applied. Only if you had a microprocessor with a
very limited calculation rate would such a method be considered.


Bob
--

"Things should be described as simply as possible, but no simpler."

A. Einstein