[alsa-devel] Noise at end of audio file

Takashi Iwai tiwai at suse.de
Wed Aug 22 17:01:46 CEST 2007


At Wed, 22 Aug 2007 09:31:25 -0500,
Lopez Cruz, Misael wrote:
> 
> I'm using aplay application for playback, the platform I'm working with
> is ti-omap.
> 
> Regards,
> Misael 
> 

Hm, then it's hard to tell...  Check whether the noise occurs after
playing just a silence data.  This reduces the possibility of "junk
data" in the last playback period.

If this happens with silence, then the problem is likely the hardware
parameter change.


Takashi

> -----Original Message-----
> From: Takashi Iwai [mailto:tiwai at suse.de] 
> Sent: Wednesday, August 22, 2007 7:23 AM
> To: Lopez Cruz, Misael
> Cc: alsa-devel at alsa-project.org
> Subject: Re: [alsa-devel] Noise at end of audio file
> 
> At Mon, 20 Aug 2007 10:44:14 -0500,
> Lopez Cruz, Misael wrote:
> > 
> > Hi,
> >  
> > I listen some noise at the end of playback of an audio file, with some
> 
> > debug I noticed that the noise appears in the last two period of the 
> > playback. I tried changing the minimum number of period (it was 16 and
> 
> > changed to 32) but the noise appears even before. Any idea what could 
> > be wrong?
> 
> With which apps and which device does this happen?
> 
> 
> Takashi
> 


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