[alsa-devel] Noise at end of audio file
Lopez Cruz, Misael
x0052729 at ti.com
Thu Aug 23 01:36:35 CEST 2007
Checked with some silence data and noise still present. Using aplay with
"-M" (mmap) no noise is listen.
From: Takashi Iwai [mailto:tiwai at suse.de]
Sent: Wednesday, August 22, 2007 10:02 AM
To: Lopez Cruz, Misael
Cc: alsa-devel at alsa-project.org
Subject: Re: [alsa-devel] Noise at end of audio file
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.
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
> -----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
> > 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
> > changed to 32) but the noise appears even before. Any idea what
> > be wrong?
> With which apps and which device does this happen?
More information about the Alsa-devel