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Audio glitches or "Pops" in Sound Forge 9 recording

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Will Hunter
Audio glitches or "Pops" in Sound Forge 9 recording
on Sep 13, 2010 at 7:57:50 pm

I record 30 minute vo over sessions for training presentations. Recently I started encountering digital "pops" or glitches in the recording. I have not changed any SF settings or hardware changes. It doesn't seem to coincide with a level change in the narration. Is anyone familiar with a bug or any possible solutions? I have tried audio restoration and crackle fix but they don't do a good job of deleting a digitial pop in the audio track.

Any suggestions would be much appreciated,

Will


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Ty Ford
Re: Audio glitches or "Pops" in Sound Forge 9 recording
on Sep 14, 2010 at 11:51:07 am

Hello Will,

Can you post some links to examples?

Regards,

TyFord

Want better production audio?: Ty Ford's Audio Bootcamp Field Guide






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Will Hunter
Re: Audio glitches or "Pops" in Sound Forge 9 recording
on Sep 14, 2010 at 3:29:51 pm

1086_audiopopexample.wav.zip


will



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Will Hunter
Re: Audio glitches or "Pops" in Sound Forge 9 recording
on Sep 14, 2010 at 3:37:38 pm

Here is another bit of information. To eliminate the mic and xlrs, i played back a clean audio session from last year via windows media player and recorded it in sound forge. When i played it back, I got glitches around 18:00 and 25:00 minutes into the session.



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Peter Groom
Re: Audio glitches or "Pops" in Sound Forge 9 recording
on Sep 14, 2010 at 4:13:50 pm

OK
The glitch goes right through the spectral display of the audio, so its not acoutsically generated.

Izotope RX does a pretty good job of eliminating it.(on the sample you posted. Not 100% but way way better than the original. Nothing that a low wash of some relaxed music wouldnt mask.

I dont know whats causing it, but id be checking the demmands on your RAM / CPU. It may well be a bussing issue where the pc is struggling to record and store the data.

Peter

Peter


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Ty Ford
Re: Audio glitches or "Pops" in Sound Forge 9 recording
on Sep 14, 2010 at 4:30:23 pm

Peter,

I think you're on to something. Macs I use don't seem to haver this sort of problem, but I have seen it on PCs.

Also, if the work is being don on a computer with only one hard drive and not enough ram, this sort of thing can happen.

Check the recommendations of the software for what sort of minimum platform they suggest.

Regards,

Ty Ford

Want better production audio?: Ty Ford's Audio Bootcamp Field Guide






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Will Hunter
Re: Audio glitches or "Pops" in Sound Forge 9 recording
on Sep 14, 2010 at 4:35:33 pm

Thank you for your feedback.

Will



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Will Hunter
Re: Audio glitches or "Pops" in Sound Forge 9 recording
on Sep 14, 2010 at 4:38:46 pm

I have Audacity on my computer. Is it a good enough program for recording voice overs? I don't use Sound Forge for anything other than audio capture.

Will



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Peter Groom
Re: Audio glitches or "Pops" in Sound Forge 9 recording
on Sep 14, 2010 at 4:49:36 pm

set it recording and then hit ctrl + alt + del to bring up the task manager. look at system performance and what processes are running, just to see if the machine is copeing easlil. Also, are you recording audio to the c drive. That is a big No no. Always run just the operating system and software on c: and audio rec and playback from another drive, internal or external.

Let us know what you find.
Peter

Peter


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Will Hunter
Re: Audio glitches or "Pops" in Sound Forge 9 recording
on Sep 14, 2010 at 8:18:25 pm

1090_taskmanager.jpg.zip



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Will Hunter
Re: Audio glitches or "Pops" in Sound Forge 9 recording
on Sep 14, 2010 at 8:21:45 pm

Any thoughts on using Audacity as a software for recording VO for training courses?

Will



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Ty Ford
Re: Audio glitches or "Pops" in Sound Forge 9 recording
on Sep 14, 2010 at 10:09:31 pm

Hello WIll,

If you're just doing voice and simple editing, sure why not.

I do VO training here and I also use SKYPE for a VO class where we're miles away from each other and recording on both ends with 2 different pro tools LE systems.

Regards,

Ty Ford

Want better production audio?: Ty Ford's Audio Bootcamp Field Guide






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Peter Groom
Re: Audio glitches or "Pops" in Sound Forge 9 recording
on Sep 15, 2010 at 8:16:50 am

TY
You can use pro tools to record Vo to picture too (both ends) if you use a line (such as isdn) where you can separate the tc feed from the audio both ways.
Workd very well. Ive dont ISDN VO rock n roll sessions to picture files for Vo and ADR in UK and Europe and USA with 100% satis.

peter

Peter


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Ty Ford
Re: Audio glitches or "Pops" in Sound Forge 9 recording
on Sep 15, 2010 at 1:44:02 pm

Peter,

Yup. Good advice if you have the budget for ISDN. I used to have a single line here (2B+D), but it just wasn't getting used enough.

Source Elements also has a software solution where you do audio in real time over a cable modem or DSL.

I'm not sure if they carry time code, but it works solo or as a Pro Tools Plug In. I've used the "light" version and it's pretty amazing stuff. The audio is, of course, compressed for real-time, but after the session, the "mothership" version reaches across the internet and automatically pulls the uncompressed files recorded remotely back home. Sort of an audio tractor beam. Someone should get an award for that.

Regards,

Ty Ford

Want better production audio?: Ty Ford's Audio Bootcamp Field Guide






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Peter Groom
Re: Audio glitches or "Pops" in Sound Forge 9 recording
on Sep 15, 2010 at 2:31:32 pm

Hi Ty
Isdn must be expensive over there in USA?
Its only @ £40 per month here in UK for isdn2e (2x64 kbps channels)

Peter


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Ty Ford
Re: Audio glitches or "Pops" in Sound Forge 9 recording
on Sep 15, 2010 at 2:50:50 pm

Peter,

Not hugely, less than $50/mo USD, as I recall, but for my work, real-time sessions aren't that necessary.

BTW, if anyone wants an APT DRT 128 ISDN modem, mine's for sale.

Regards,

Ty Ford

Want better production audio?: Ty Ford's Audio Bootcamp Field Guide






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