This detailed tutorial will show you 8 methods on how to reduce audio noise in video recording effectively.
Audio noise problem often bothers video creators. If you’re not recording your voice and video in a fancy studio, it can be difficult to get high-quality audio during the recording. This is because our ears have difficulty hearing or noticing background hums or rumbles in the environment. The quality of your video is important, but audio noise can ruin your video just as quickly. Your viewers will also get annoyed and frustrated when they hear noise in your video. Fortunately, there are several ways you can use to eliminate or reduce background noise in recording videos. You can reduce noise by eliminating the source of the noise, using a microphone noise reduction feature, using a directional microphone, playing some background music, and more. Follow our guide now to learn how to reduce audio noise in video recording.
Here’s what you’ll learn:
Part 1: Why is Audio Noise Harmful?
Part 2: How to Reduce Audio Noise before You Start the Video Recording?
Part 3: How to Reduce Audio Noise in a Video Recording?
Part 4: How to Eliminate Audio Noise in Recorded Videos?
Audio noise refers to ambient noise that shouldn’t be in your video, such as the sound of air conditioners and fans, the sound of people talking, the sound of things crashing, etc. These noises may be low in volume, but they can drastically reduce the quality of your video.
Audio noise will affect the viewer’s attention and they may not be able to watch the focus of your video carefully. Annoying noise also affects people’s moods, and when your video annoys viewers, then your video is not considered successful. If you listen to the noise for a long time, this will also damage your hearing. Hearing damage is difficult to recover from. So it is really important to learn how to reduce audio noise in video recording.
Which video recorder do you use to record your video and audio? If you are looking for an easy-to-use screen recorder, RecMaster is your best choice. It helps you record the screen with the system sound, microphone sound simultaneously or separately. It also provides you with some features to reduce audio noise while recording video.
Key features of the best screen recorder:
Record screen, system sound, microphone, and webcam simultaneously or separately
Save recorded video in different formats: MP4, AVI, FLV, and GIF
A built-in video editor to edit recorded videos as well as imported videos
Highlight cursor and add click effects
Show real-time keystrokes while recording
First, to reduce audio noise before you start the video recording, you can eliminate background noise sources. Try to find a quiet room rather than in a noisy neighborhood. For example, turn off the air conditioner or fan in your byline and close the windows and doors. It is also important to let your children or pets go to another room to play temporarily. It is much easier to check for noise that may have been recorded in advance than to edit the audio after the recording is complete.
Before you start video capturing, choose which sound you need. If you only need to record the sound from the computer, don’t forget to turn off your microphone. Even if you make sure you don’t speak while recording, the sound of your breathing will be captured by the microphone. If you only need to record your own voice, just turn off the system sound. Otherwise, the sudden message beeps will break you. By using the Windows version of RecMaster, you can confirm the audio recording settings before starting.
If you want your recording sound to be more clear, you can click on the small white triangle icon next to System Sound or Microphone>> choose Advanced. Then, the Sound Settings window will appear. At the bottom of this window, you will see Quality Settings. RecMaster allows you to enable Mic Noise Reduction, Mic Gain, and System Sound Gain. It helps you to reduce audio noise on Windows.
Choose to use a directional microphone to replace the built-in microphone. Directional microphones are designed to minimize unwanted background noise. It picks up the highest sound from the front and is less sensitive to signals that are not in the ideal pickup area of the microphone. Therefore, this characteristic can be used to reduce background noise.
We have just introduced you to a few things you need to do to prepare before recording a video. It’s time to learn how to do audio noise reduction while recording.
Many people are used to using social media on their computers for example Facebook, Twitter, Skype, and so on. If you are using video capturing software to record your system sound, don’t forget to turn off the message alert sound on social media platforms. Maybe no messages pop up at the beginning of the recording, but if someone suddenly sends you a message, then you will have your hands full.
To reduce audio noise, you can reduce subject-to-microphone distance. Reducing the distance between the subject and the microphone is a simple and effective way to reduce noise. For example, singers often perform on stage with their mouths pressed against the microphone or with a lavalier microphone.
If you can’t handle some unknown noise, you can choose to override the background noise with background music. For example, soft talking, car horns, birds chirping, footsteps, etc. Choosing suitable background music may make your video more beautiful and harmonious. You can choose to use the screen recorder RecMaster to capture your system sound and microphone sound at the same time. You can also add the BGM after the recording. Just use a video editor to make it.
If you find an audio noise problem in your recorded video, what’s to do? You can use audio editing software to reduce audio noise.
Audacity is a free and open-source audio editor. It helps you to reduce background noise significantly with loss of actual audio free. Below are the simple steps to use Audacity to remove audio noise. If you only record the audio, you can follow the guidance directly. If you have recorded a video, you need to detach the audio from your video.
First, after you download and install this powerful software, you can launch it. Import your audio with noise to Audacity.
Then, you can drag the cursor and select the audio clip that needs noise reduction. Find the Effect tab at the top of the page.
Click on the Effect option and choose Noise Reduction. Then, the new window will pop up. Follow the steps in the tips to reduce your audio noise. Select a few seconds of noise and know which will be reduced. Choose all the audio you want to filter and confirm the settings of Noise reduction(dB), Sensitivity, and Frequency smoothing(bands).
If your audio is spoken words, then you can change the default settings to the following and you may get a more satisfactory result.
Noise reduction(dB) = 6
Sensitivity = 6.0
Frequency smoothing (bands) = 6
In this guide, we have talked about how to reduce audio noise. You can eliminate the source of the noise before recording video, and set noise reduction in the best screen recording software. During the recording, you can reduce subject-to-microphone distance, and add background music. After the recording, you can use the free audio editor to reduce the reduction. There are many methods to improve audio clarity and legibility. Now, let’s start using RecMaster to record your video and create a perfect video for your audience.
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