Re: [AD] [SCM] Allegro branch 5.1 updated. 5.1.3-21-g1a7e633

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On 2 Sep 2012, at 3:27 , Peter Wang wrote:
> commit cd66cd6ca44bd2177babb1b27589ec7dc01fbe3d
> Author: Peter Wang <tjaden@xxxxxxxxxx>
> Date:   Sat Sep 1 23:35:11 2012 +1000
> 
>    audio: Add cubic interpolation (for float mixers only).
> 
> commit 809a75c10d21c9de1c82487db1d8d2ac37a6d959
> Author: Peter Wang <tjaden@xxxxxxxxxx>
> Date:   Sat Sep 1 18:51:30 2012 +1000
> 
>    audio: Support linear interpolation for 16-bit mixers.

In a completely different context (not related to audio) I recently got rid of cubic and linear interpolation and switched to monotonic cubic interpolation. I wanted to get rid of the linear interpolation because of lack of smoothness and the cubic interpolation because of spurious oscillations in the output.

The method is extremely simple, described in http://adsabs.harvard.edu/abs/1990A%26A...239..443S. Is this something that is worth looking into for Allegro?

Evert



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