Re: [LAU] Playing a concept album...

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From: Rob <lau@...>
To: <linux-audio-user@...>
Date: Sunday, April 24, 2011 - 4:32 am

On Saturday 23 April 2011 18:45, Arnold Krille wrote:

Well, in the case of mp3s, it does have to do with how the file is encoded.
If the end of a piece of music doesn't coincide with an mp3 frame boundary,
and it almost never does, there'll be up to 24 milliseconds of silence,
enough to make a skipping noise even if your gapless playback program
concatenates the files perfectly. I think LAME or cdparanoia might
introduce some additional problem, as I just brought up the individual
tracks of my copy of Dark Side of the Moon and Brain Damage has 38
milliseconds of silence at the end before Eclipse, which isn't present in
the other copy I have that I ripped as one long track.

There's no way that I've found to rejoin the tracks programmatically
without access to the original recording. The best gapless playback effect
I've found was a plugin for I think xmms years ago that let me crossfade
about 50ms between tracks, and that still created the occasional glitch.

I have so many ripped CDs affected by this between prog rock, dance mixes,
and live albums that I might well have to re-rip all 1100-odd discs to FLAC
(since disk space is an order of magnitude cheaper than when I started
ripping to mp3) to correct this problem. But even if you encode an entire
disc to one big mp3 file and then cut it into tracks on frame boundaries
rather than doing the cutting before encoding, the problem is eliminated.
It's just that I've never seen a ripper program that'll do so, and when I
was writing the scripts I used to rip CDs en masse, I wasn't aware of the
problem yet.

Rob
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Messages in current thread:
[LAU] Playing a concept album..., lanas, (Sat Apr 23, 10:31 pm)
Re: [LAU] Playing a concept album..., yermandu, (Wed Apr 27, 5:26 pm)
Re: [LAU] Playing a concept album..., Cedric Roux, (Tue Apr 26, 9:31 am)
Re: [LAU] Playing a concept album..., Igor Brkic, (Sun Apr 24, 1:19 am)
Re: [LAU] Playing a concept album..., lanas, (Sun Apr 24, 1:22 pm)
Re: [LAU] Playing a concept album..., Arnold Krille, (Sat Apr 23, 10:45 pm)
Re: [LAU] Playing a concept album..., Rob, (Sun Apr 24, 4:32 am)
Re: [LAU] Playing a concept album..., Philipp Überbacher, (Sun Apr 24, 8:08 am)