Support and General Use > Audio Playback, Database and Playlists

Possible sound quality problem with OGG vorbis playback

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saratoga:

--- Quote from: EricBuist on March 24, 2008, 09:02:47 PM ---Foobar is not a solution for me, because I am using Linux.

--- End quote ---

Yes I know, hence my suggestion to try google.


--- Quote from: EricBuist on March 24, 2008, 09:02:47 PM ---The scanning utility I needed are vorbisgain and mp3gain. But I don't think normalization will solve my distorsion problem.

--- End quote ---

Replaygain is not just normalization, and if you are not using it, you must anticipate distortion.  You have reported distortion.  

The obvious thing to do is to try it so that the most probable causes are ruled out first.

TexasRockbox:
Maybe try the default Rockbox theme, watch the level meters while playing a problematic .ogg file and see if the left channel is pinning/clipping?

EricBuist:
ReplayGain seems to help, but the problem sometimes appears again.

Llorean:
Do you have the "prevent clipping" option enabled for Replaygain in Rockbox?

Gregory:
I think i have experienced the same thing before.  To me the clipping would only occur at the loudest parts of a song (understandably).  By enabling the eq and only setting the pre-cut to around -2db would fix the problem.

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