Irregular clicking that won't stop despite following forum suggestions

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Irregular clicking that won't stop despite following forum suggestions

Post by [email protected] » Thu Sep 20, 2018 6:59 pm

Audacity version: 2.2.2
I have Windows 10 Pro, version 1803
I have a Rode NT-1A microphone
I use Focusrite Scarlet for interface mixer

I have spent a great deal of time researching how to remove clicking noises from my voice overs. I have tried the following with no luck:
1. changed USB cords
2. shut off internet connection
3. shut off computer anti virus and protection
4. removed mouse
5. moved microphone away from computer
6. used Audacity click repair
7. used the click repair from clickrepair.net
8. used pop mute
Sample crackling.aup
(1.15 KiB) Downloaded 6 times
Many of the clicks and distortions I can fix manually, but it is very time consuming. I am trying to make a little money during book narrations but the editing of the clicks is killing me. Some of the clicks are so hard to find and repair, I end just rerecording; it's faster. I

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Re: Irregular clicking that won't stop despite following forum suggestions

Post by DVDdoug » Fri Sep 21, 2018 3:09 pm

A couple more suggestions -

Try increasing the Buffer Length/Latency. The ONLY downside to a larger buffer is longer latency (delay) if you are monitoring yourself through headphones.*

If you are recording at a high sample rate, try 48kHz or 44.1kHz. With less data to deal with, you are less likely to get glitches (and these settings are still better than human hearing).

You might try recording software that supports ASIO drivers. Your interface may have come with Ableton, and I believe Focusrite offers ASIO drivers.

There is a FREE program called DPC Latency Checker that may help identify the problem. (You're not complaining about latency but multitasking, latency, buffers, computer speed, and glitches are all related).

Or, there is an FREE online book called Glitch Free about optimizing your computer for audio.




* IMO - The BEST solution to latency is to get an interface with zero-latency hardware monitoring (where the monitoring signal doesn't go through the computer). The Focusrite website says "low latency" but it's doesn't say "zero latency". Anytime the audio goes through the computer, you are at the mercy of the computer and whatever it and the operating system are doing (although ASIO drivers are supposed to help).

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Re: Irregular clicking that won't stop despite following forum suggestions

Post by kozikowski » Fri Sep 21, 2018 4:54 pm

I use Focusrite Scarlet for interface mixer
Which Scarlett? I don't think there are any Scarlett mixers. The two popular Scarelett models are the 2i2 and the Solo. Neither one is a mixer. You can't "assign" channels or easily produce mixes and versions of the audio. Their job is strictly to get the sound into the computer. The Solo is natively mono and the 2i2 is natively stereo—two microphones.
Sample crackling.aup
The AUP is an Audacity Project Manager text file. It's not sound. It tells Audacity what to do with all that stuff in the _DATA folder which is where all the actual sound is. To post to the forum, it's is recommended you Export as WAV (Microsoft) 16-bit stand-alone sound file. For a mono recording (one blue wave) don't go over about 20 seconds.

viewtopic.php?f=49&t=72887
...
6. used Audacity click repair
7. used the click repair from clickrepair.net
8. used pop mute
and

9. Stop using the computer.

Most people plug all this stuff together and just start recording with no serious sound damage. Editing sound (and video) is a special case where the computer has to do nothing wrong and do it continuously for hours. I have had Windows machines which were not up to that and no amount of software juggling could force them to work. How old is the computer?

For one example: Would you notice if your mouse didn't track exactly where you put the cursor? That kind of USB error is deadly for real-time production.

And speaking of USB, do you have the Scarlett Something plugged directly into the computer? Real Time production will not go through a hub or a keyboard USB socket loop, for two examples.

And lastly, just stop, period.

Olympus-PaperTowel-500t.jpg
Olympus-PaperTowel-500t.jpg (86.83 KiB) Viewed 177 times


I know this isn't glamorous, but that's a stand-alone Olympus sound recorder and roll of paper towels in a quiet, echo-free room. It produces passable ACX AudioBook conforming voice tracks.

Although I have not been able to get a cellphone to work (I haven't tried all that hard), at every news event, there's a forest of cellphones recording the interview.

The NT-1A is a terrific microphone, but if you can't record it without killing yourself, then the process is not all that valuable. Can you try another computer?

Koz

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Re: Irregular clicking that won't stop despite following forum suggestions

Post by [email protected] » Sat Sep 22, 2018 2:43 pm

First, I appreciate the thoughtful responses.

Koz: I have the Scarlett Solo; I apparently inappropriately described it as a mixer. It is plugged directly into the computer. I have tried both USB ports with no help in resolving crackles. The computer is a Lenovo, 2015, 64 bit operating system x64 based processor; Intel Celeron processor @1.83 GHz

I will attempt and report back my findings concerning DVDdoug suggestion on latency. I will also try another computer if the problem persists.
I will upload the sample file as suggested.
Sample crackling.wav
(688.04 KiB) Downloaded 4 times
Again, it is gratifying to know someone is trying to help.

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Re: Irregular clicking that won't stop despite following forum suggestions

Post by [email protected] » Sat Sep 22, 2018 2:50 pm

DVCdoug: I need help with this suggestion. Do you mean I should try recording software other than Audacity? Can I download ASIO drivers from the Focusrite site. Perhaps that is the software you are referring to.

"You might try recording software that supports ASIO drivers. Your interface may have come with Ableton, and I believe Focusrite offers ASIO drivers."

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Re: Irregular clicking that won't stop despite following forum suggestions

Post by [email protected]il.com » Sat Sep 22, 2018 2:56 pm

DVDdoug: I logged onto the Focusrite website and see that I have already downloaded the following:

FOCUSRITE USB ASIO DRIVER 4.36.5

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Re: Irregular clicking that won't stop despite following forum suggestions

Post by kozikowski » Sat Sep 22, 2018 6:25 pm

Audacity doesn't easily support ASIO software. That's proprietary software and Audacity can't hide the cost since Audacity is free.

Have you ever compiled a software program? If you don't recognize that, then ASIO isn't for you. If you like programming, you can compile a special Audacity program with ASIO support.

No, I can't either.

Koz

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Re: Irregular clicking that won't stop despite following forum suggestions

Post by kozikowski » Sat Sep 22, 2018 8:49 pm

Koz: I have the Scarlett Solo; I apparently inappropriately described it as a mixer
We're not offended, but you should know when somebody posts with a problem we hang on every word—literally every word and a mistake anywhere could send us down the wrong path. We have to build your whole world in our imagination to visualize the problem. We can't see you or what you're doing.

My solutions tend to the touchy-feely physical. You said you changed the USB cable, but to what? USB cables with interfaces such as the Solo tend to be long because they want to make the product as versatile as possible, but long USB cables can have data errors and the errors can be sporadic. A lot like what you have.

What's the shortest USB cable you can round up, even temporarily? Two feet/0.6M Try that.

Just to play Blue Bird of Happiness for a minute. It is possible to have broken devices. That's why trying the Solo on a second computer is insanely valuable. If the problem vanishes or even changes that gives good information.

I will inspect your sound file when I get home.

Koz

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Re: Irregular clicking that won't stop despite following forum suggestions

Post by kozikowski » Sun Sep 23, 2018 12:56 am

And that's another variation. I don't hear anything wrong. That's not a gold standard, and other elves may find problems, but I think that clip is good to go. So if you hear ticking and clicking, you may have playback problems, not recording problems. What else do you have that will play music? Separate device. Make up a known difficult sound file and play it on Something Else.

Koz

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Re: Irregular clicking that won't stop despite following forum suggestions

Post by kozikowski » Sun Sep 23, 2018 12:58 am

Other notes. When you experience sound problems, do they happen in exactly the same places every time?

Can you do anything to make them worse?

"When I load several programs in addition to Audacity, the problem gets much worse!!" as an example. If you've been through days of corrections and nothing's worked, that in itself is good to know.

Koz

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