Re: Oversampling

[Tim Janik <timj gtk org>]

On Tue, 21 Feb 2006, Stefan Westerfeld wrote:

>   Hi!
>
> I've implmeneted some code for per-module oversampling. It is based on
> FIR filters which are designed from a windowed sinc function.
> Oversampling ratios from 2 to 16 are supported.
>
> To test it, I've implemented Bse::Rectify, a plugin which should -
> without oversampling - generate extreme aliasing.
>
> I am attaching the code here, and an example .bse file. When running the
> bse file, use a fft scope to monitor the rectify output, while playing
> with the oversample ratio setting.

hm, thinking about the general test casing you developed here,
could you turn this into an audio unit test based on bsefeature
extract/compare?

> Comments are welcome.
>
>   Cu... Stefan
> --
> Stefan Westerfeld, Hamburg/Germany, http://space.twc.de/~stefan

---
ciaoTJ