[MEncoder-users] Does MEncoder has issues with AAC audio encoding?

[Pierre Catello]

2007/7/15, Nico Sabbi <nicola_sabbi at fastwebnet.it>:
>
> Pierre Catello wrote:
>
> >Nico,
> >
> >I uploaded a short sample showing AAC distortion when encoding with
> >Mencoder, and not with FAAC nor with Mencoder with mp3lame :
> >
> >ftp://upload.mplayerhq.hu//MPlayer/incoming/corrupt-aac/
> >
> >The source file is clip.mpg
> >
> >You can notice obvious distortions on the piano notes during the
> animation
> >of the letters of the UGC logo.
> >
> >Pierre
> >
> >
>
> yes, I can hear some echoing. What version of faac are you using: the
> one in SF repository?


Nico,

I'm using an old version of faac : 1.24.1
For Mencoder, I'm running SVN-r23404-4.2.0, but the problem have been around
for a some time : I tried different versions, under windows and others
compiled myself under linux and the problem was still there. I posted a
first report here back in april, but I don't remember which version I was
running at that time :

http://article.gmane.org/gmane.comp.video.mencoder.user/5493/match=weird+sound

Regarding the hardware, my sound chip is the stock nvidia nforce2 5.1. I
have also tested the samples on a Mac book G4. As mentionned previously, the
original MP2 sound is fine (from the mpeg program stream), and encoding with
mp3lame is fine. Only AAC is problematic so I guess it's not a hardware
issue.

Pierre