'I created a video for uploading to YouTube but can't remove the background noise in the video. Is there a way for video noise reduction? What is the best app to remove or minimize the background noise in my recorded videos?'
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Equalization A-z guide (parametric Equalizer, high pass, low pass filters etc) Compression A-Z guide (obs, audacity, audition, multiband compressor) Adaptive noise reduction Adobe audition how it works how to use it; Setting up OBS with Adobe audition for Live stream Podcast. In a word, Adobe Audition is the powerhouse for audio editing and repairing, and it does an excellent job with audio recording. And high pass & low pass filters.
To some extent, background noise would destroy your recorded video, no matter how carefully the shooting was conducted. It could be wind noise, footsteps, etc. If the video is for uploading and sharing widely, then removing background noise from your audio or video is necessary. But is there any app to remove background noise from video? This article has included 5 best tools that help you remove background noise from video with ease.
What Is Video Noise and How It Happens?
Technically speaking, noise is defined based on audio frequency and audio decibel, which is loud, disruptive and out of the comfort area to human hearing. Hiss, rumble, crackle, and hum are instances of noises in audio. Also, all kinds of unwanted sounds in video recordings are noises.
It could be wind sounds, man's vocal cord, motor noises, etc. For example, when we record a song, all sounds except for human voice are noises; when you mainly want to collect ocean wave sounds, then all the others are noises.
How to Remove Background Noise from Video in VideoProc
VideoProc is an all-in-one new-style video processing tool, including four main modules: video processing, DVD ripper, video downloader and video recorder. Inside the Video Processing center, you are allowed to convert and edit videos, be it 4K or 1080p, downloaded from YouTube or recorded with GoPro, H.264 or HEVC.
Better still, there is a long list of video editing features. You can crop images, split, cut or merge clips, change the video orientation, add watermarks, apply filters, add subtitles, fix lens distortion, create MKV/GIF, etc. Certainly, there is Deshake to help clean up background noise from videos.
The Denoise option is under Toolbox. Professional Low-pass and High-pass filters are applied to remove video background noises during your selected audible range. You are allowed to do the noise removal completely or partly. All sounds lower and higher than your preset value will be cleaned up with only one click. And the recommended value settings to remain human voice with less noise is 500 - 2000. Let see how tremove background noise from video with VideoProc in the following.
VideoProc - More than a Tool of Noise Reduction
- Flexible setting of high pass filter and low pass filter to remove background noise from video.
- Cancel background noise in a video like wind noise, vocal cord, footsteps, motor noises from record machines, etc.
- Other audio related options: change audio codec, channel, volume, sample rate, bit rate, etc.
- Set audio delay, disable all audio tracks, recalculate time stamp to force A/V sync.
Step 1. Download VideoProc for free.
Navigate to VideoProc via a browser and download the application for free. Launch the installation pack to start installing. When the installation is done, you can use VideoProc to your will.
Step 2. Load your video clips.
Click Video to get into the video processing center.
Click +Video or +Video Folder to load your recorded videos from local drive separately or batch load.
Step 3. Remove noise from video.
Adobe Audition High Pass Filter
When the video is fully loaded, move to the Target Format section at the lower area of the interface.
Switch to Toolbox for the Denoise option. Or click Target Format to open the Output Profile window, scroll down to choose Toolbox and then select Denoise.
Move the sliders on the side to set a video duration you would like to remove background noise. Specify the value for Low Pass and High Pass, and then click Done.
Step 4. Start video noise removal.
Return to the last interface, change the Output Folder when needed and then select RUN to start removing background noise from video.
How to Remove Background Noise from Video in VLC
VLC made its name as free and open source media player software compatible with all mainstream platforms, like Windows, Mac OS X, Linux, etc. Strong decoding ability makes it possible for VLC to play any video you throw into it. And yes, it allows you to edit video background noise. Follow the next steps to learn how to remove background noise from video audio using VLC.
Step 1. Free download VLC.
If you still don't have a VLC player, then download it at VideoLan.
Step 2. Import your video.
Launch VLC media player, click Media in the top bar, choose Open File and then select a video to do noise reduction.
Click +Video or +Video Folder to load your recorded videos from local drive separately or batch load.
Step 3. Start noise removal.
Move to the bottom of the player window and select Show extended settings. Or click Tools in the top task bar and choose Effects and Filters in the scroll-down menu.
And Audio Effects panel pops up. Navigate to the Equalizer tab and then put a check mark in the Enable box.
Change the frequency band and decibel as the video plays. After the adjustment, click Save. Or you can choose a preset that automatically configure all the audio settings for you.
How to Remove Background Noise from Video in Premiere Pro
Adobe Premiere Pro has the audio tools that are ideal and powerful enough for individual artists or small teams to use as well. If you need to handle big projects such as Hollywood studios and broadcast productions, transferring files to Adobe Audition is a good choice.
With Premiere Pro you can perform soundtrack spotting, dialogue editing, music editing, audio enhancing and sweetening and many more. You are allowed to use plug-ins to help you remove or eliminate unwanted noise as a matter of course. Now let's break down the workflow in removing background noise from video using Premiere Pro.
Step 1. Download and purchase Adobe Premiere Pro.
Free download Adobe Premiere Pro at Creative Cloud at first. It takes a subscription model with $20.99/month. Or if you're new to Premiere Pro, you can get a 7-day free trial.
Step 2. Create a new project.
You will create a new project with proper sequence settings and import source files to the project.
Step 3. Apply the denoise effect.
Navigate to the Effects tab and search for Denoise > select DoNoise and drag it onto the audio track > make sure your audio track is selected and head over to Effects Controls > scroll down select Edit next to Custom Setup. And there's a pop-up with controls for removing background noise from video.
How to Remove Background Noise from Video in OBS
Making a screencast with voice-over is a daily routine for many content creators and streamers. But the background noise caused by fans in computers or other unnatural sounds can spoil your entire video recording and keep the audience at a distance.
I recommend a useful setting in OBS where can minimize background noise from video recording or streaming in a few clicks. More importantly, OBS is a free and open source program that doesn't cost anything. Let's check how to make it in the following.
Step 1. Download and install OBS.
Head over to OBS Project and free download and install OBS on your system. When the installation is complete, launch it on your computer.
Step 2. Apply the noise reduction filter.
Go find your microphone input in the Mixer settings > click the wheel-shaped icon > Filters > go for the plus icon and select Noise Suppression from the expander > Name your filter when prompted and hit OK.
Step 3. Regulate the suppression level.
Put on your headphones and adjust the suppression level to your wish.
How to Remove Noise from Video in Audiodenoise [Online Tool]
You would like to remove background noise from video without installing extra applications? Then try an online tool – Audiodenoise. It can recognize most popular video and audio formats and minimize the noise inno time. It's worth noting that if you've uploaded a video, both video track and background noise will be removed. And you need to combine video and audio together later.
Step 1. Open the online tool.
Adobe Audition High Pass Filter Replacement
Navigate to Audiodenoise in the first place.
Step 2. Upload a local file.
You are allowed to upload a video or an audio file. And hit the Start button to upload.
Step 3. Tweak the denoising parameters.
When audio players appear, you can manually adjust the denoising parameters to remove background noise from video. Of course, you can apply the denoising preset that configure all settings automatically.
Step 4. Save the output file.
When the adjustment is done, click the Download button to save the file locally.
Last Words
You might have heard the adages 'Seeing is believing', but the fact is that a soundtrack is as important as a video. If your video with a great soundtrack, it sells the content better. If there's background noise, the audience would tune out. To save you the hassle, go out with the 5 tools as previously described to remove background noise from video.
Article Content
An audio pass filter attenuates an entire range of frequencies. There are two types of pass filters (Fig. 1). A high-pass filter (HPF) attenuates content below a cutoff frequency, allowing higher frequencies to pass through the filter. A low-pass filter (LPF) attenuates content above a cutoff frequency, allowing lower frequencies to pass through the filter.
The slope of filter attenuation is usually quantified in decibels per octave. For example, a 12dB per octave HPF located at 100Hz would accomplish 12dB of relative attenuation at 50Hz, and 24dB at 25Hz. This slope would continue to extend into very low frequencies, effectively attenuating signal to an indiscernible amplitude.
Pass filters are simple, ubiquitous audio tools that should be a part of ever engineer’s basic toolbox. Here are some effective ways to incorporate pass filters into your recording and mixing technique.
Adobe Audition High Pass Filter Review
Signal v. Noise
In physical terms, signal and noise are not separate components of an audio signal. Though you may choose to think of them as discrete elements, noise is a part of every waveform. Some types of noise components are relatively isolated to a specific frequency range. In those cases, pass filters can be excellent tools to reduce of eliminate the offending signal content.
For example, high-pass filters are often used in studio recording and sound reinforcement to attenuate extraneous low-frequency content like mechanical rumble or vocal plosives. By choosing a filter with a cutoff frequency below the fundamental frequency range of the program, a HPF can be used to differentiate between program signal and low-frequency noise.
Low-pass filters can also be used to eliminate unwanted, counter-productive bandwidth. One common example is using a LPF to establish the limited bandwidth of a low frequency transducer, like a ‘sub’ mic on a kick drum. Other examples include the entire universe of subtractive synthesis.
Course Tone Control
The subjective quality that we call ‘tone’ or timbre is a result of the harmonic content of a signal. Harmonic content is the balance, or relative loudness relationships, between the component harmonics of a complex waveform. An equalizer changes tone by attenuating or amplifying a limited frequency range within a complex waveform.
As described above, audio pass filters establish the limited audible bandwidth of a signal. This can have very useful tonal results.
Low-pass filters are used in music production as both fixed and modulated tone controls. The most transient elements of any waveform are the direct contribution of that waveform’s highest harmonic content. Consequently, dramatic changes in tone can be achieved by changing the cutoff frequency of a LPF (Figure 2).
A waveform unfiltered, LPF @ 16kHz and LPF @ 12kHz, showing 1.9dBFS difference in peak amplitude
Pass filters are often used in combination with shelving EQ to check or limit the effect of the shelf beyond the filter’s cutoff frequency. For example, some engineers like to use a Baxandall type shelving EQ to boost very high ‘air band’ frequencies. Placing a low-pass filter after the high-frequency boost in signal flow will provide additional control over the tonal effect.
The very same technique can be used to shape low-frequency content, in this case matched with a high-pass filter.
Pass Filters and Distance
High frequency content is one of the most important cues our auditory system uses to sort out proximity. A low-pass filter can be used very effectively to mimic the sensation that one signal is further away from the listener than another (unfiltered) signal. This technique can be used very quickly, and easily to establish spatial contrast between two signals, especially if they’re separated in the stereo field.
Try using a low-pass filter on the output of a delay. As the cutoff frequency of the delay component is reduced, you should expect to hear a more ‘realistic’ spatial separation between the direct signal and the delay. LPF cutoff frequencies in the 2kHz-5kHz range are typical.
Once the LPF is established, try introducing a high-pass filter as well. Cutoff frequencies in the 100Hz-250Hz range will exaggerate the spatial effect even more. Add a little slow delay modulation and you have one of those fancy “vintage” delay plugins using the freebie plugs that came with your DAW.
High-Pass Filters and Mix Clarity
Many of the most common problems with mixes (from mixers of all experience levels) are the result of monitoring problems. One of the most common monitoring issues is inaccurate low frequency reproduction. If you’re not using full-range monitors in a well-treated room, there are low-frequency truths about your mixes that might (or should) surprise you.
Here are some warning signs:
- You prefer the sound of your mix on headphones, ear buds, car audio, etc.
- There are one or more instruments in your mix that seem to eat up headroom disproportionately.
- Your compressors keep pumping, but you can’t hear why.
- The midrange clarity of your mix is unstable/inconsistent.
If mix problems stem from a lack of monitoring accuracy, it’s fair to ask, “how am I supposed to address the problems in the very same room?” Very fair, but there are some options.
If it’s a compression-related issue, don’t compress. If you can’t bring yourself to bypass a compressor, use a pre-compressor HPF on the track in question. Try moving the filter to the sidechain of the compressor once you’ve established an effective cutoff frequency. One or a combination of these approaches will keep just about any signal from pumping.
Turn off any vocal compression and listen to your vocals for clarity and lyrical intelligibility.
Adobe Audition High Pass Filter Software
- If they’re OK, then your vocal compression is the problem. See above.
- If the vocals become muddled, turn off any mix buss compression you might have on the master fader or group masters.
- Without the buss compression, listen for low frequency content that happens during the inconsistent vocal clarity.
- Try adding a HPF to any suspicious busses or their compressor sidechains until the vocal clarity returns.
- Re-instate the vocal compression and be sure that the fix holds.
None of these steps requires you to actually hear the offending low-frequency content. Rather, you can learn to listen for the results of this unfiltered audio, and address the problem deductively.
High Pass Filter In Adobe Audition
The list of helpful applications of pass filters goes on and on. The basics might not be inventive, but hearing fundamental technique in action is exciting. Try adding filters to your first-pass mixing technique. You might find yourself introducing them earlier and earlier in the recording process.
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