5 votes
Accepted

When should a noise gate be applied?

I can see two reasons why you'd use a gate while recording instead of in editing : 1. You're broadcasting live. 2. You're using outboard equipment. A gate should, generally, be first in your audio ...
Anton U's user avatar
  • 326
5 votes

Is there an equivalent to Audacity's noise reduction effect in other DAW?

Yes I made an lv2 plugin to be used with linux daws it's called noise-repellent https://github.com/lucianodato/noise-repellent
Luciano's user avatar
  • 51
4 votes

How can I eliminate sounds below a certain threshold?

It really depends on the material; are these sounds that you want to remove truly peaking at a lower level than every bit of the speech? How about in loudness or 'energy'? You need to look into the ...
n00dles's user avatar
  • 2,526
3 votes

How to get background conversation in a sound record?

Use RX 5 Audio Editor. You will probably get better results than with Audacity. RX 5 allows you to recover certain parts that are missing. Many quality presets are provided and you'll also find ...
JSmith's user avatar
  • 1,103
3 votes

What is the best way to reduce background noise on a video recorded with a camcorder (background chatter)?

There are automated algorithms like those you tried in iMovie, the ones in Audacity might be worth a try but if you want better results you should individually edit phrases. Software like izotope RX ...
Dalv Olan's user avatar
  • 842
3 votes

Does a lav mic pickup noise?

'Sensitivity' is a measure of 'how much electric it puts out for a given level of sonic input' It has nothing whatsoever to do with its ability to separate wanted from unwanted sound. Microphones ...
Tetsujin's user avatar
  • 8,560
3 votes
Accepted

Denoising studio induced noise and noise due to poor recording

Firstly, do any and all processing in WAV files. If your source material is on CD, then rip to 44.1kHz/16bit WAV and process at 24-bit in your software. Do not transcode via mp3. Tracks like 104b ...
Mark's user avatar
  • 8,835
3 votes
Accepted

Not able to remove noise after recording from headphone output to microphone input

I'll try to go through this quickly :) and disclaimer: I'm not an electrician! The first unwritten rule in noise reduction is to record with as little noise as possible in the first place. Correct ...
n00dles's user avatar
  • 2,526
3 votes

Making old audio clip more audible

Well you have three options. Option 1: You can go to a professional studio and have them work on this file to do the best possible job of restoring it. Option 2: Try some restoration tools such as ...
WMRamadan's user avatar
  • 165
2 votes

Fix for terrible "Hard Drive Noise" Audio Interference?

Have you considered investing in a power conditioner? They are used in most studios and also live venues. It's basically like a rack mounted power bar, but it does so much more than just basic surge ...
Johannes's user avatar
  • 475
2 votes
Accepted

Audio Signal Difference Extraction

In one sense, the answer from "audionuma" is correct, a similar process is possible in both Ableton and Audacity. In Ableton, all the tools you need to do this are contained in the "Utility" plug-in, ...
he_artburns's user avatar
2 votes

Extracting human vocals from really damaged audio?

The best tool for audio restoration nowadays seems to be Izotope RX. If you don't have access to the software you can still try selective eq-ing and stereo cancelation, yet even with the most ...
Dalv Olan's user avatar
  • 842
2 votes

Extracting human vocals from really damaged audio?

There are two basic ways I remove noise from an audio: You can use a visual equalizer(e.g- FL studio Parametric EQ2 or fabfilter Pro Q) that show the frequencies of where all sounds in your vocals ...
ebere's user avatar
  • 61
2 votes
Accepted

How can I eliminate sounds below a certain threshold?

I doubt you will get an acceptable result with a simple gate setup: while you may get rid of low volume breathing sounds, it will also chop away natural endings. Noise reduction plugins with noise ...
Michael Hansen Buur's user avatar
2 votes

Mad scientist: How to cancel out hum of known amplitude from signal of unknown amplitude?

For there to be any chance of 'subtraction' to work, there must be a phase-relationship between the two signals, which there is not likely to be in any of the cases you suggest. To understand why ...
Mark's user avatar
  • 8,835
2 votes
Accepted

Remove background sound from sing along recording

Short answer: no. You layered your voice on top of an existing vocal, and they occupy the same frequency range, pan (left-right) location, etc. No filtering, phase flipping or incantations I'm aware ...
Kurt Gibson's user avatar
2 votes

Remove constant noise with Audacity

Audacity has a noise removal plugin, which needs a sample of just the noise to be able to calculate a profile. From Audacity Manual: Noise Reduction Noise Reduction can reduce constant background ...
Tetsujin's user avatar
  • 8,560
1 vote

The higher the gain the more white noise

When you add compression, you need either quite low-noise equipment to start with (and a Samson C01, even though formally a large-diaphragm condensor, is not in the same ballpark as even a small-...
user21430's user avatar
1 vote

How can I eliminate sounds below a certain threshold?

Yes sortof maybe. Special plug ins can help a lot depending on the exact problem. The only correct thing to do is to get a better recording. Teach the speaker/vocalist how to use the mike to avoid ...
edwina oliver's user avatar
1 vote

What is the best way to reduce background noise on a video recorded with a camcorder (background chatter)?

If you have a stereo recording, your speaker has a certain position with regard to the microphones. Now your stereo base for a camcorder is quite small, nevertheless you can average short-time cross ...
user20973's user avatar
1 vote

When should a noise gate be applied?

Definitely use the gates on the editing phase, rather than the recording. I am using gates to avoid crosstalk on a 5-person podcast, all recorded around a table, to 5 separate tracks in Logic Pro. ...
Peter Johnson's user avatar
1 vote

Sound proof a room, car noise

What microphone and what working distance are you using? The ultimate goal is maximizing the "Signal to Noise Ratio" (SNR) There are TWO ways of doing that, and typicaly you can use a combination of ...
Richard Crowley's user avatar
1 vote

How to remove hiss in Adobe Audition?

Michael Hansen Buur pretty much answered this question in his comment, or at least gave a shove in the right direction. But having the tools is only a small part of successful noise removal. There ...
n00dles's user avatar
  • 2,526
1 vote

How to cancel out siren noise as much as possible?

What type of earplugs are you using? If it's just cheap standard foam / wax ones, then perhaps it'd be worth investing in a higher-end ones. You can get ones that are custom-made for your own ears, ...
Skarik's user avatar
  • 1,336
1 vote

How to cancel out siren noise as much as possible?

White noise etc don't cancel the sound - they tend to work by drowning out the sound. I have successfully used noisy fans to do this. It can be quite effective as your ear gets used to continuous ...
Rory Alsop's user avatar
  • 5,959
1 vote

How can I remove mouse and key clicks from live audio?

The best way to proceed in your case is to increase the signal to noise ratio as much as possible. Try a different location for the microphone - somewhere where is further away from the keyboard noise....
Dalv Olan's user avatar
  • 842
1 vote

remove static noise from audio recording

Have you looked into using a noise reduction tool? There are plenty available on the market, check-out this article: best-noise-reduction-plugins
Simon Bosley's user avatar

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