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Having to reduce audio noise can be a real pain. And recording clean audio can be tough, especially in noisy environments.
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Whether it’s background noise or less-than-ideal equipment, sometimes you end up with hissy audio. Luckily there is a free method to make your track easier on the ears.
Take a listen to what software noise removal can do: Pages app for mac free trial.
Noisy Audio
This noise cancellation software free is available for Windows 7 or higher versions which support 64 bit. It can also be used for Linux 32 bit as well as 64-bit processors. For Mac, a version of this software is also available but it works with Mac OS X 10.8 or higher.
Clean Audio
Before We Get Started: Room Tone
There is one tip that will help immensely with this process. If you are the one responsible for your recording, remember to record at least 10 seconds of “room tone”.
Room tone is simply a few seconds of recording the natural noise of the environment in which you’re recording (with no talking, nail filing, heavy breathing, etc.) Even if you can’t hear anything, a sensitive microphone will pick up ventilation noise, computer fans, and more.
Taking “room tone” will serve as a baseline for the software to remove noise. Having a section of room tone in your recording is always a good practice but if you know you’ll be needing to do noise removal later definitely don’t forget! If you don’t have control of the recording process you can still usually find a bit of room tone in a recording.
You can find room tone in a break between takes or time at the beginning or end of the file where nothing much is happening and usually that’s enough to work with for noise removal purposes.
So how is noise removal actually done?
How to Reduce Audio Noise in Audacity
In this economy who wouldn’t take the free option when available? If you aren’t looking to invest in high-end audio software, Audacity is a free piece of software created and maintained by a community of programmers and audio experts.
It accepts a wide range of audio file types and has a perfectly serviceable noise removal tool. The one catch is it’s audio only, so if you’re working with video it may not be the smoothest workflow. More on that later…
Here’s how it works:
How to reduce audio noise in Audacity
- Select your room tone or silent section from your audioDrag your mouse over an area with no (or little) audio.
- Select Noise ReductionUnder the Effect menu select Noise Reduction
- Get your Noise ProfileClick “Get Noise Profile” and the box will disappear.
- Select your entire audio clipSelect all of the audio that you want that background noise removed. Go to ‘Select’ and then click ‘All.’
- Repeat noise reductionGo to the Effect menu and select
- Listen to your clipMake sure your clip doesn’t sound muffled.
What the sliders do:
Noise Reduction: Controls the amount of reduction of your noise volume.
Sensitivity: Controls the range of what noise removal considers noise. The higher this goes the more your actual audio (such as voices) will be affected.
Frequency smoothing: The default setting is setting is 3, settings lower than this tend to favor music and higher settings tend to favor spoken word.
I’ll tell you the same thing I tell my Uncle Mike when we go to White Castle: Go easy on the sliders! Small changes can make a big difference.
Reduce and residue buttons: Reduce is what you’ll want for a good preview. It plays what the audio will sound like with noise removed. If you want to hear exclusively what the noise reduction is taking out, select residue and click preview.
How to clean up audio in video editing
Audacity is great for cleaning up audio for a podcast or music. But for vocal tracks in video, it’s time-consuming to export your audio tracks, clean them up in Audacity, and re-sync your audio and video again.
It’s not impossible but it’s not the most efficient way to remove noise, especially if you’ve already cut up your clips in the timeline.
Camtasia (video editing software) has a noise removal feature built-in which is dead simple. It still works with your room tone but it’s not necessary to select the section on your clip, Camtasia will do that for you.
The sensitivity slider in Camtasia works the same as in Audacity. The “Amount” slider is equivalent to the Noise Reduction slider in Audacity.
By removing noise on the timeline you save the trouble of importing and exporting back and forth from an external program like Audacity, and it’s much easier to make changes quickly.
By removing noise on the timeline you save the trouble of importing and exporting back and forth from an external program like Audacity, and it’s much easier to make changes quickly.
Next Steps
There are other programs with similar processes such as Adobe Audition and the very powerful Izotope RX5.
These programs edge into the professional realm of audio tools and allow you to go much further with audio sweetening if you’re willing to put the time and money in to learn them.
Where are mobile apps located in itunes mac. Just remember while software continues to get better at saving audio, doing everything you can to minimize noise in the initial recording will always be your best bet.
Free Trial: You can try any of our screen recorders for free. Get everything you need to record on your Windows, Mac, and iOS devices.
Editor’s Note: This post was originally published in 2016 and has since been updated for accuracy and comprehensiveness.
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Are you looking for a software for windows platform that will help you reduce or remove the noises completely?
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Here on this list we have review some of the audio software that are built with noise cancellation feature to ensure that audibility of your audio file is enhanced and the noise is reduced almost zero. Without consuming much time let’s jump to the review.
1. FL Studio
FL Studio is a powerful software built for music editing tasks. The software has a vast of features which include equalizer and it’s mostly used by music producers.
Some additional features
- Audio Multi-editing capabilities
- Works best in sound production
- Has an organized user interface
2. Profound Sound CSharp
Profound Sound CSharp is an equalizer for Windows Operating System. The software has a rich user interface and well-organized elements.
Some additional features
- Comes bundled with ten bands graphic equalizer feature
- Has an automatic volume leveling
- Allows users to customized and save their settings
3. Audacity
Noise Cancelling Software For Microphone
This is a cross platform software that is available on MAC OSX, Windows and Linux. The software has a number of sound editing feature.
Some additional features
- Supports audio input from the microphone
- Has an inbuilt equalizer
- User-friendly interface.
4. MEF Music Editor
Here is another outstanding audio file editing software. The software can be used as an audio noise reduction from various sources and produces stunning results.
Some additional features
- You can burn audio to a cd after cutting
- Has a vast of sound editing features
- The software has some functions that make audio editing easy.
5. RX 5 Audio Editor
6. Automatic Audio Denoizer
7. AudioLava
Free Noise Cancelling Software For Mac Download
How to choose the best audio noise reduction software
So you have an audio recorded with some noise and you want to reduce the noise and make it more audible. You have decided to perform the noise reduction by software but you don’t know which the best software you can use is. On this post we discussed some of the best, but to choose the best software for you requires one to consider some factors which include the compatibility of the software with your system, ease of use; some software are built with cluttered interfaces where it will cost the users loads of time in trying to work with the software. And the last thing on this list is the price some software are expensive yet there are some cheap software that still performs the same tasks. Without considering these factors the chances of landing on your ideal noise reduction software are next to nil.
How to install any of the Audio noise reduction software
Installation process of most software are in most cases similar. Here we have focused on installing the best audio noise reduction software which is a step by step guide.
- The firsts thing should be deciding on which software to download
- Next step is closing all the running processes( not a must but highly recommended)
- Click run and install the software
- Follow the process and read carefully on prompts
- Restart the computers and there the software is ready to run.