[MPlayer-users] MP3 playback: bleep at start
ACS
adrian.bacon at xs4all.nl
Tue Feb 14 09:30:49 CET 2006
> I'm not totally convinced that it wasn't a buggy encoder that produced
> these samples. for example:
>
> robh at homebox:~$ mpg123 -cqn2 arbeit.mp3
> 390 samples clipped
> 81 samples clipped
> robh at homebox:~$
>
> but you can get around the problem frame simply by skipping it, eg.
>
Way too loud mastering of CDs causes this clipping. It'll show up on any mp3
made of such a CD.
I went through all mp3s I've present in my music folder:
(downloaded from world wide sources from 1997 onwards)
Out of total1290 files 20 files start with bleep.
I ran encspot to identify the encoder used on those 20 files, and almost all
trouble files are encoded using Blade:
Blade: 17 files
QdesignFast: 1 file
Xing(new): 1 file
FHG(fastenc or mp3enc): 1 file
Seems like blade is most likely encoder to generate a frame (ISO
compliant??) where mplayer chokes on.
BTW: Not all blade encoded files have this problem: amongst the 1290 files
enough blade encoded files start OK
> the short term solution might just be to use libmad, if you aren't
> already.
Unfortunately, I'm running mplayer in geexbox.
Adding libmad requires full recompile and addition of libmad package to
geexbox
As an average user, I didn't succeed, and decided to "upgrade" trouble files
using p2p (or transcode).
ACS
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