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List:       rockbox-sf
Subject:    %T#13059 Task opened by Error: MP3 Codec decoding has artifacts (Attachment added)
From:       Rockbox <tracker () rockbox ! org>
Date:       2015-10-22 21:21:06
Message-ID: 3a38a8cd84047364f3eca9c5ab1e3627 () www ! rockbox ! org
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A new Flyspray task has been opened.  Details are below. 

User who did this - Alex (Error) 

Attached to Project - Rockbox
Summary - MP3 Codec decoding has artifacts
Task Type - Bugs
Category - Codecs
Status - Unconfirmed
Assigned To - 
Operating System - Sansa Clip+
Severity - Critical
Priority - Normal
Reported Version - Daily build (which?)
Due in Version - Undecided
Due Date - Undecided
Details - When playing music, I can hear codec errors in the music. It occurs every \
time on a certain song, and other songs that are smaller in file size, it does not \
occur on, but occurs on the next one. I believe it is a buffering issue, and makes \
the music unlistenable. I used the daily on 10/21/2015

On 320kb/s MP3s it occurs much more often, and 128kb/s MP3s it occurs less often, but \
when it occurs its a series of glitches that distort the music.

I am sure its not the MP3s themselves, because it doesn't occur in the official \
firmware, and when I rewind it, it does not make the same sound until later. It has a \
very prominent 'glitchy' sound and later it changes the speed of the song.

I replaced it with the 3.1.3 MP3 codec, and the same glitch occurs.

I do not have a line out so its made through the speaker, but the problem is so bad \
that you can hear it very clearly.

The MP3 was 320kb/s 

Memo is the glitchy one, and Memo-1 is it being played correctly.

One or more files have been attached.

More information can be found at the following URL:
http://www.rockbox.org/tracker/task/13059

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