[Bug 688721] New: Quantization noise (?) when playing back mp3 files

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=688721
  GStreamer | don't know | unspecified

           Summary: Quantization noise (?) when playing back mp3 files
    Classification: Platform
           Product: GStreamer
           Version: unspecified
        OS/Version: Mac OS
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: don't know
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: visa.kuoppala at siba.fi
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=229470)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=229470)
This quiet clip plays correctly in iTunes etc, but with the GStreamer engine
(Clementine) there's additional noise. 

I initially reported this to Clementine Player developers, but they referred me
here, as Clementine apparently uses the GStreamer audio engine (Audio Sink OSX)
for playback. When I play back any quiet MP3 with Clementine, I get a lot of
additional noise, which I don't get when playing it back through, say, iTunes
or QuickTime Player. This noise sounds like quantisation noise, but it is not
in the file. 

I've attached a short mp3 clip of quiet piano music (the beginning of For
Bunita Marcus by Morton Feldman), which plays back normally in most media
players, but not with the GStreamer audio engine (i.e. when I use Clementine),
with which there is very noticeable additional noise.

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