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Gear / Technical Help => Ask The Tapers => Topic started by: momule on February 13, 2005, 06:09:37 PM

Title: pop in the recording.??
Post by: momule on February 13, 2005, 06:09:37 PM
Anyone have any ideas what could casue this sorta poping sound? I know its a small sample and its MP3 but you get the idea. Blip is at 0:32

(turn your speakers down its kinda loud) I warned ya  :)

weird this is I was running 2 Jb3's One using the Optical out and one out of the Coax/converter, and both have small blips but at different spots. so Im assuming it has to be the digital cable's , thing is I have used both cables 20 + times without a problem ..

And I have taped 20+ shows with the UA-5 and never had a blip till now.

Im confused  :-\
TIA
Nick
Title: Re: pop in the recording.??
Post by: cleantone on February 13, 2005, 07:38:04 PM
I'm pretty sure it's just a misplaced sample. If you have some editing software that can zoom in to the sample, you can pencil to where it should be. It should be obvious visually. If you have 500 of them you may need another method to fix it.

Quote
(turn your speakers down its kinda loud) I warned ya 

It wasn't too loud over here. Not much different that the musics volume.
Title: Re: pop in the recording.??
Post by: momule on February 13, 2005, 08:19:31 PM
I'm pretty sure it's just a misplaced sample. If you have some editing software that can zoom in to the sample, you can pencil to where it should be. It should be obvious visually. If you have 500 of them you may need another method to fix it.

I have wavelab 4 ,SF7, and samplitude studio , But you cant see the blip thats the problem , I do have a clean source from the COAX out of the same UA-5 that will be seeding here shortly.


It wasn't too loud over here. Not much different that the musics volume.

I didnt mean the pop was loud , just the music in general.

thanks for the input. + T
Nick
Title: Re: pop in the recording.??
Post by: cleantone on February 13, 2005, 10:17:58 PM
Quote
But you cant see the blip thats the problem

Thats because this is just one sample. If you playback to find it and zoom in while keeping track of the location, once you get closer to fully zoomed in on that spot you should see a small difference somewhere. I use wavelab 4 as well and think that it has great waveform display. One reason I keep using wavelab for things like this. It might not be very obvious but it should be findable. I've heard this a million times. I'm pretty certain thats what that is.
Title: Re: pop in the recording.??
Post by: momule on February 13, 2005, 10:39:37 PM
right on , I'll open it in Wavelab and see if I can see it a bit better in there , I was trying SF before.

What causes this.?? funky connection with the Optica cable l in the back of the UA-5 is what I was thinking.

Nick
Title: Re: pop in the recording.??
Post by: dklein on February 13, 2005, 11:31:14 PM
It's a 2 sample glitch at 32.211
It looks like the kind of thing that comes from a bad coax>optical signal converter.  It's easily correctable by hand - just zoom in and drag the 2 samples into a smooth waveform.
Title: Re: pop in the recording.??
Post by: cleantone on February 14, 2005, 10:51:43 AM
Quote
What causes this.?? funky connection with the Optica cable l in the back of the UA-5 is what I was thinking.

I think there are probably a couple things that can cause this. I see it more often from a burned CDR, or should I say improperly burned CDR. It's basically writing the data wrong for (in this case) 2 samples.