Pop at the end of an audio clip?!

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SBPTraxx
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2012/02/09 14:36:20 (permalink)

Pop at the end of an audio clip?!

Hey, I'm editing vocals and inserting certain fx on specific clips and I seem to be getting a pop at the end of random vocal clips. I'm using the crossfade tool to fade the clip out, but it's still popping?

Any ideas?
#1

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    Jim Roseberry
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    Re:Pop at the end of an audio clip?! 2012/02/09 14:42:30 (permalink)
    Are you making the "cut" at a zero-crossing point in the waveform?
    If not, it'll pop... unless you apply a short fade.

    Best Regards,

    Jim Roseberry
    jim@studiocat.com
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    #2
    benjaminfrog
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    Re:Pop at the end of an audio clip?! 2012/02/09 14:44:59 (permalink)
    Things you could try: 

    1. Make sure you have "snap to zero crossing" enabled.

    2. Adjust the length of the clip.

    3. Try other other fade curves.

    *Edit: Sorry, Jim. I see you already suggested some of this.

    #3
    SBPTraxx
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    Re:Pop at the end of an audio clip?! 2012/02/09 14:57:29 (permalink)
    Jim, it's not at a zero crossing. I mentioned I have applied a fade.

    Benjamin, using a fast curve seemed to work until I heard a few clips it didn't work on. It seems that there is no pop on the clip until the effect is applied... I'm using "Effectrix." I use it for stutters etc... 
    #4
    benjaminfrog
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    Re:Pop at the end of an audio clip?! 2012/02/09 14:59:46 (permalink)
    I wonder if bouncing to clips would help, so that the effect is only having to work on a single clip.
    #5
    SBPTraxx
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    Re:Pop at the end of an audio clip?! 2012/02/09 15:01:21 (permalink)
    Well, each instance of the effect is different for each clip... But maybe I'll try to bounce the clips individually and see if that eliminates the pop.
    #6
    benjaminfrog
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    Re:Pop at the end of an audio clip?! 2012/02/09 15:04:24 (permalink)
    Ah, not sure then. I was assuming you were using it as a track - as opposed to a clip - effect.
    #7
    SBPTraxx
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    Re:Pop at the end of an audio clip?! 2012/02/09 15:38:09 (permalink)
    Well, bouncing them with the effect and fading the new clip out worked like a charm. A bit of a pain, but at least it's solved. Thanks :)
    #8
    benjaminfrog
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    Re:Pop at the end of an audio clip?! 2012/02/09 15:52:43 (permalink)
    Glad you got it to work.
    #9
    Jim Roseberry
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    Re:Pop at the end of an audio clip?! 2012/02/09 15:56:57 (permalink)
    The first thing I'd try is making the cut at a zero-crossing... to see if the pop persists. 
    If the pop is emphasized by the effect, the fade may not kick in fast enough to tame it.

    Best Regards,

    Jim Roseberry
    jim@studiocat.com
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    #10
    Guitarhacker
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    Re:Pop at the end of an audio clip?! 2012/02/09 17:22:13 (permalink)
    solo the track to be sure of the exact track. those things can be tricky to find. 

    Once you have the right track, locate the exact point where the pop occurs.  Be sure the cut happens as Jim said at ZERO crossing. 

    If the pop is still there, fade it sooner. Zoom in to see the pop better. It will show up in the track as a spike. By zooming and fading with the envelope to be ALL OUT before the pop, it should go away.

    good luck. 

    I get success at times when removing clicks and pops by zooming in and using the Process audio> mute> apply. It is possible, depending on the track, to use the mute to literally mute a few thousands of a second in a track. Exactly covering the pop or click with the MUTE. In the mix with the other instruments it becomes impossible to hear the split second of silence in that one track, and again the pop/click effectively disappears. 

    There are several ways to skin that cat.

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    #11
    SBPTraxx
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    Re:Pop at the end of an audio clip?! 2012/02/09 20:34:44 (permalink)
    Thanks! I ended up bouncing it and then doing the fades which worked well. I'll keep that in mind incase it happens again.
    #12
    Bristol_Jonesey
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    Re:Pop at the end of an audio clip?! 2012/02/10 04:53:23 (permalink)
    Just throwing this one out - if the pop only occurs with the Fx on the track, is it possible the you're using a send Effect running at Pre, rather than post?

    Cross fading the clips will work perfectly on the dry part of the audio, but not for send Fx if they're set to pre-fader yes?



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