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 ...
- 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
- 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 ...
- 2,516
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 ...
- 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 ...
- 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 ...
- 8,405
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 ...
- 8,815
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 ...
- 2,516
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 ...
- 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 ...
- 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, ...
- 758
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 ...
- 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 ...
- 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 ...
- 3,782
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 ...
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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 ...
- 331
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 ...
- 8,405
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-...
- 11
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 ...
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 ...
- 11
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. ...
- 111
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 ...
- 1,869
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 ...
- 2,516
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, ...
- 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 ...
- 5,953
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....
- 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
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