I can cancel out crackle, but can you crackle out vinyl noise?

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DarthMaul
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I can cancel out crackle, but can you crackle out vinyl noise?

Post by DarthMaul » 27 Mar 2019 01:05

I have known for a while that this webpage describes of a way to digitally cancel out low level crackle from records. Would this work for vinyl noise?

http://delback.co.uk/lp-cdr.htm#clean_decrackle

If so, how would I go about doing it using a method similar to the one here?

jdjohn
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Re: I can cancel out crackle, but can you crackle out vinyl noise?

Post by jdjohn » 01 Apr 2019 18:38

The process described should take care of both crackle and noise. He says here, "1. Get a noise fingerprint from the WAV file to be decrackled. In other words, find a section that contains only noise and light crackle, but no music."

I've used Audacity to do this. He gives it some props in the beginning of the article, although he prefers CoolEdit2000 just because of his familiarity with it.

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Re: I can cancel out crackle, but can you crackle out vinyl noise?

Post by zlartibartfast » 01 Apr 2019 18:57

I do something like that with Sound Forge - I usually get my noiseprint from the lead out section, but if that region is especially noisy, then I'll find space between 2 tracks somewhere near the middle of the disc.

It's best to tread lightly with noise reduction - it's easy to over-do it, and end up removing musical content

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Re: I can cancel out crackle, but can you crackle out vinyl noise?

Post by ChrisfromRI » 09 Apr 2019 22:49

I use a Burwen Dynamic Noise Filter in my 78 rpm playing setup and it works very well. People that have heard me play 78s always comment they never heard 78s sound so good.

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Re: I can cancel out crackle, but can you crackle out vinyl noise?

Post by JoeE SP9 » 11 Apr 2019 01:53

I've found that Audacity used in a judicious manner is quite effective in removing rice crispies, ticks, pops and general noise from the LP's that I rip.

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Re: I can cancel out crackle, but can you crackle out vinyl noise?

Post by Sterling1 » 13 May 2019 19:40

DarthMaul wrote:
27 Mar 2019 01:05
I have known for a while that this webpage describes of a way to digitally cancel out low level crackle from records. Would this work for vinyl noise?

http://delback.co.uk/lp-cdr.htm#clean_decrackle

If so, how would I go about doing it using a method similar to the one here?
The two software packages I use to digitize vinyl: Roxio's Easy LP to MP3 and Audacity, have adjustable digital filters which can target clicks and globally reduce LP noise to the extent necessary to eliminate pops and noise.

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Re: I can cancel out crackle, but can you crackle out vinyl noise?

Post by JDJX » 16 May 2019 00:36

FWIW.....
Back in the latter '70s, there was a unit on the market to eliminate pops and clicks etc on vinyl.
However, competent and known audio reviewers of the day said that it gave what was described as a "pumping sound" as the electronics (of the day) struggled to eliminate the unwanted sounds .
So, it was more of an expense novelty that did not usually work all that well.

Of course, digital electronics has come a very long way since then but now, vinyl is no longer king and a stand alone physical unit is no longer economically feasible..

AFAIK......There are just now a couple of units that will allow you rip LPs to digital as it eliminates most unwanted noise but will they wiil not eliminate pops and clicks in real time when playing vinyl normally...without ripping to digital.

Bob Dillon
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Re: I can cancel out crackle, but can you crackle out vinyl noise?

Post by Bob Dillon » 25 May 2019 01:48

JDJX wrote:
16 May 2019 00:36
FWIW.....
Back in the latter '70s, there was a unit on the market to eliminate pops and clicks etc on vinyl.
However, competent and known audio reviewers of the day said that it gave what was described as a "pumping sound" as the electronics (of the day) struggled to eliminate the unwanted sounds .
So, it was more of an expense novelty that did not usually work all that well.

Maybe thinking of the Packburn noise suppresor ? Company is still around : http://www.packburnelectronics.com

The SugarCube is supposed to be pretty good. Haven't used one myself : http://www.sweetvinyl.com

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Re: I can cancel out crackle, but can you crackle out vinyl noise?

Post by Sterling1 » 25 May 2019 02:08

Bob Dillon wrote:
25 May 2019 01:48
JDJX wrote:
16 May 2019 00:36
FWIW.....
Back in the latter '70s, there was a unit on the market to eliminate pops and clicks etc on vinyl.
However, competent and known audio reviewers of the day said that it gave what was described as a "pumping sound" as the electronics (of the day) struggled to eliminate the unwanted sounds .
So, it was more of an expense novelty that did not usually work all that well.

Maybe thinking of the Packburn noise suppresor ? Company is still around : http://www.packburnelectronics.com

The SugarCube is supposed to be pretty good. Haven't used one myself : http://www.sweetvinyl.com
SugarCube is kind of like a digital recorder, with pop filter, similar to a buffering rotary head DAT recorder but without digital storage. I have no interest in one since I can get the same but not instant result from Audacity or Roxio's Easy LP to MP3 recording software. I don't think folks understand it's going to give them the digital sound that defeats the appeal of vinyl. Also, as I recall, back in the 70's DBX produced a very expensive analog pop filter.

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Re: I can cancel out crackle, but can you crackle out vinyl noise?

Post by philbrown » 07 Jul 2019 17:11

ChrisfromRI wrote:
09 Apr 2019 22:49
I use a Burwen Dynamic Noise Filter in my 78 rpm playing setup and it works very well. People that have heard me play 78s always comment they never heard 78s sound so good.
I haven't heard about a Burwen in years.
Phil Brown

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Re: I can cancel out crackle, but can you crackle out vinyl noise?

Post by philbrown » 07 Jul 2019 17:12

JDJX wrote:
16 May 2019 00:36
FWIW.....
Back in the latter '70s, there was a unit on the market to eliminate pops and clicks etc on vinyl.
However, competent and known audio reviewers of the day said that it gave what was described as a "pumping sound" as the electronics (of the day) struggled to eliminate the unwanted sounds .
So, it was more of an expense novelty that did not usually work all that well.
Of course, digital electronics has come a very long way since then but now, vinyl is no longer king and a stand alone physical unit is no longer economically feasible..
AFAIK......There are just now a couple of units that will allow you rip LPs to digital as it eliminates most unwanted noise but will they wiil not eliminate pops and clicks in real time when playing vinyl normally...without ripping to digital.
It was made by SAE and used rise time to eliminate clicks.
Phil Brown

JDJX
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Re: I can cancel out crackle, but can you crackle out vinyl noise?

Post by JDJX » 07 Jul 2019 17:37

The problem with using "rise time" (in the pre digital age) is that it could not really differentiate pops and clicks from wanted hi rise time sounds to a satisfactory degree.... and, without any unwanted side effects. :)

ChrisfromRI
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Re: I can cancel out crackle, but can you crackle out vinyl noise?

Post by ChrisfromRI » 07 Jul 2019 19:34

philbrown wrote:
07 Jul 2019 17:11
ChrisfromRI wrote:
09 Apr 2019 22:49
I use a Burwen Dynamic Noise Filter in my 78 rpm playing setup and it works very well. People that have heard me play 78s always comment they never heard 78s sound so good.
I haven't heard about a Burwen in years.
Phil Brown
The Burwen "Dynamic Noise Filter" filters off high frequency hiss and the rushing surface noise of 78s during the quiet parts of the musical passage, when this noise is most noticeable. It disengages as the volume of the musical passage increases since the hiss/rushing noise becomes less apparent to us when the music is loud. However it does not do anything for pops/clicks, and is only very effective with 78s or with tape hiss - although my own tape decks have too little hiss to worry about. It operates real-time and is easily adjustable. There is no pumping like with dBx and SAE. Dick Burwen was a smart guy back in the day!

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Re: I can cancel out crackle, but can you crackle out vinyl noise?

Post by JoeE SP9 » 08 Aug 2019 20:56

Burwen also made the TNE 7000 and 7000a (transient noise eliminator). It's basically a tick and pop remover. So it's for LP's only. It can remove more serious "crackle".

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Re: I can cancel out crackle, but can you crackle out vinyl noise?

Post by KentT » 14 Sep 2019 03:22

Noise reduction is losing critical things like room ambiance, low level detail, and some of the very things which make high end analog worth listening to. Noise reduction on vinyl is never best automatically. Some adjustments are necessary for best results, with the least damage done to the underlying musical content and the sound quality. Noise reduction is best used lightly and minimally as possible.

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