Speex dev - May 2005 - DC in audio signal

Hi everyone,

As many noticed, I just released 1.0.5 and 1.1.8 over the weekend. There
isn't much new in 1.0.5, except that I added all the API changes from
1.1.x so that it's possible to write code that will work with both 1.0.5
and 1.1.8. 

As for 1.1.8, here are the changes:
- Initial TI C5x port: I integrated a patch from Jamey Hicks
- Some fixed-point improvements and fixes
- Better temporary memory allocation: Speex now detects whether the
compiler supports either variable-size (C99) arrays, or alloca.
- Size of integer types now detected automatically: should be more
portable.
- A new SPEEX_PLC_TUNING option: you can now improve robustness to
packet losses by telling Speex how much packet loss you expect.

Please give 1.1.8 a try and let me know if it breaks anything.

	Jean-Marc

-- 
Jean-Marc Valin <Jean-Marc.Valin@USherbrooke.ca>
Universite de Sherbrooke

Hi,

Is it correct that the preprocessor in speex filters out the DC? Or is the DC
made less because of the noise filtering?

Greetings Jeroen de Kleijn

Yes, the preprocessor indeed explicitly filters out the DC (though it
would be filtered out by the denoising anyway) because it has bad
effects on the codec.

	Jean-Marc


Le samedi 14 mai 2005 ? 17:20 +0200, Kleijn, J.S. de a ?crit
:
> Is it correct that the preprocessor in speex filters out the DC? Or is
> the DC made less because of the noise filtering?
-- 
Jean-Marc Valin <Jean-Marc.Valin@USherbrooke.ca>
Universit? de Sherbrooke