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  #1  
Old 2005-04-20, 09:11 AM
Tate Tate is offline
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What causes this tiny gap?

What causes these types of gaps? They're not at the start of the track, but right after a few milliseconds?
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  #2  
Old 2005-04-20, 11:37 AM
uhclem
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Re: What causes this tiny gap?

It depends on where the files came from. If these files were ripped from an audio CD they could be the result of i) previous sector boundary errors and a retracking, or of ii) a burn that was done with underrun protection and an underrun occurred. The gap you show is smaller than 1 sector (i.e. it's about 0.005s which is less than the sector size of 1/75s) so I think it's likely that they are remnants of SBEs or buffer underruns and that your files came from a rip of an audio CD-R. Hopefully there aren't a lot of them and you can edit them out. If you do that remember to shntoolfix the new files.

It's possible that the gap is just a drop-out in the master source. I think this gap is far too small for that, however.
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  #3  
Old 2005-04-20, 12:21 PM
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Five Five is offline
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Re: What causes this tiny gap?

^ what he said.
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  #4  
Old 2005-04-20, 02:58 PM
wazoo2u wazoo2u is offline
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Re: What causes this tiny gap?

Yup. Me too.
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  #5  
Old 2005-04-20, 10:51 PM
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Lou Lou is offline
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Re: What causes this tiny gap?

I hate those. Basically every Police show you try to trade for has a problem like that. The only silver lining is that they're a hell of a lot easier to correct than clicks.
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  #6  
Old 2005-04-21, 12:04 AM
Tate Tate is offline
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Re: What causes this tiny gap?

Thanks uhclem for the technical info, it's the anwser I was looking for.

Every file of the bootleg has them, gotta remove 'em all
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  #7  
Old 2005-04-21, 12:20 AM
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Re: What causes this tiny gap?

if you really zoom in and just delete the 0 samples you can practically get it perfect. If you're feeling confident, you can turn off smoothing in the settings, just be sure to toggle spectral view to see if you're introducing a click after the delete. It usually takes a couple undos/redos.

And as uhclem said you'll introduce SBEs which need to be fixed afterwards.
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  #8  
Old 2005-04-21, 07:40 AM
Tate Tate is offline
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Re: What causes this tiny gap?

Cool thanks, will do!
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  #9  
Old 2005-04-21, 04:32 PM
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Lou Lou is offline
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Re: What causes this tiny gap?

I just delete the zeroes using Soundforge Audacity, make sure that the dots which represent the wave are continuous (I can tell what a click looks like, it's a thin, vertical line with no dots) and it'll be fine. Save as one big wave file and then re-track yourself with CD Wave.
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