Full Version: nogap switch in lame
does the nogap switch mess with aps??? other words will it affect the quality of my aps mp3 using the switch??
No. Quality should not be affected.
The --nogap switch is supose to make gapless playback of mp3-files possible; HOWEVER:
The --nogap switch was never finished and is very experimental and unfinished.
From LAME change log
It is not mentioned further and from an old discussion on www.audiofora.com it was stated that no developer have wanted to develop this switch and that it has nasty known bugs.
The --nogap switch was never finished and is very experimental and unfinished.
From LAME change log
QUOTE
LAME 3.89beta July 5 2001
# Mark Taylor: preliminary --nogap support
# Mark Taylor: preliminary --nogap support
QUOTE
LAME 3.90 December 21 2001
# Mark Taylor: More work on --nogap
# Mark Taylor: More work on --nogap
It is not mentioned further and from an old discussion on www.audiofora.com it was stated that no developer have wanted to develop this switch and that it has nasty known bugs.
Hi,
I once asked Mark Taylor about the --nogap feature on the lame-dev mailing list. Here's the mail archive link:
http://sourceforge.net/mailarchive/forum.p...5&forum_id=5500
here's Mark's reply:
Of course newer formats like Ogg Vorbis do handle the nogap feature much better.
bye
vividos
I once asked Mark Taylor about the --nogap feature on the lame-dev mailing list. Here's the mail archive link:
http://sourceforge.net/mailarchive/forum.p...5&forum_id=5500
here's Mark's reply:
QUOTE
> Hi,
>
> Currently there is a discussion on the HydrogenAudio boards about
> LAME's no-gap feature. As some already know, winLAME implements the
> feature in an easy-to-use preset, too.
>
> On the boards some believe that no-gap encoding is still buggy or
> doesn't function correctly. Is this correct? Or is it working
> properly? I once did some tests, and to me it seems that no-gap
> encoded wave files play back without hearable noise (using an
> appropriate gapless output plugin, of course).
>
> bye
> Michael
As far as I know, it works. I put it in a while ago, but it
has only been lightly tested. So you should encourge
the braver users on HydrogenAudio to give it a try and report
problems. An alternative is to modify a decoder to make use of the
padding & delay fields in the Info tag. This will have the
advantage that nothing special is needed to create the nogap
mp3 files.
Mark
>
> Currently there is a discussion on the HydrogenAudio boards about
> LAME's no-gap feature. As some already know, winLAME implements the
> feature in an easy-to-use preset, too.
>
> On the boards some believe that no-gap encoding is still buggy or
> doesn't function correctly. Is this correct? Or is it working
> properly? I once did some tests, and to me it seems that no-gap
> encoded wave files play back without hearable noise (using an
> appropriate gapless output plugin, of course).
>
> bye
> Michael
As far as I know, it works. I put it in a while ago, but it
has only been lightly tested. So you should encourge
the braver users on HydrogenAudio to give it a try and report
problems. An alternative is to modify a decoder to make use of the
padding & delay fields in the Info tag. This will have the
advantage that nothing special is needed to create the nogap
mp3 files.
Mark
Of course newer formats like Ogg Vorbis do handle the nogap feature much better.
bye
vividos
thank you for the info, as im doing backup i decided to drop mp3 and go with flac 
then i can just use john33's great oggdrop to transcode
then i can just use john33's great oggdrop to transcode
Vorbis encoding doesn't handle gaps better than Lame. Delays are stored, it's the same thing.
The difference is that everyone is using a Vorbis decoder that is reading those values in order to trim decoded output.
The same thing could be achieved with mp3 is there was decoders supporting it.
The difference is that everyone is using a Vorbis decoder that is reading those values in order to trim decoded output.
The same thing could be achieved with mp3 is there was decoders supporting it.
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