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Questions tagged [noise]

Unwanted sound, as opposed to "signal", meaning desired sound, as in "signal-to-noise ratio"

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3 answers
3k views

Why videos taken in the dark has color artefacts (noise)?

can someone tell me, why videos (taken in low light place) has noise (or i dont know what to call that, the pixels playing/blinking continuously) , for example: My ...
0 votes
0 answers
9 views

Noise artifacts when recording HDR videos

I have a Google Pixel 7 smartphone with support for HDR (10 bit) video recording technology in 4k 30 frames. And I was wondering how the environment affects the shooting of this video format. When ...
1 vote
1 answer
15 views

Noise filtering/cancellation via software while recording voice

While making videos at home, there is a considerable amount of ambient noise throughout the day (e.g. airplanes, cars honking, dogs barking, etc). I know there are (software) tools that are capable ...
0 votes
1 answer
54 views

How do I capture a noiseprint in Vegas Pro with the Noise Reduction plugin?

When I go to capture a noiseprint, I don't get a noiseprint or the noiseprint appears around -120 dB as a flat line.
3 votes
2 answers
4k views

How can you use ffmpeg's afftdn -sn flag to sample noise from a reference noise file?

The FFmpeg documentation for the afftdn audio filter says for the -sn flag: sample_noise, sn Start or stop measuring noise profile. Syntax for the command is : "start" or "stop" string. After ...
0 votes
1 answer
26 views

Cartoon styled stroke effect?

I want to get this stroke style in After Effects: Is like it's a little little bit deformed, isn't it? Or is the filter? It seems like in some tracks is 2.5px and 2.3 in anothers... Compare with my ...
0 votes
1 answer
343 views

How can I make 4K videos shot at night with a Google Pixel 6 less grainy?

By default, 4K videos shot at night with a Google Pixel 6 can be very grainy: How can I make 4K videos shot at night with a Google Pixel 6 less grainy?
0 votes
0 answers
49 views

DaVinci Resolve Fairlight advanced Noise Reduction

thank you for helping me! My problem is that I'm working with a very noisy microphone, so just enabling noice reduction in the fairlight options doesn't do the trick. I'm switching from audacity, ...
0 votes
0 answers
211 views

How to input noise values in dBFS for ffmpeg silence detect

I used the silencedetect of ffmpeg with noise value of -30dB to get the silent parts of a small video file & used those timestamps to trim & re-encode the silent parts of the videos. I had ...
0 votes
0 answers
959 views

Sampling and using afftdn with ffmpeg - how with complex filters?

I'm merging together a bunch of videos (30 so far) into a "Brady Bunch" style amalgam using ffmpeg, and I've got that working reasonably well. The last big problem is the background noise. ...
3 votes
3 answers
585 views

How do you reduce wind gust sounds from video?

So I've looked at a bunch of videos and all they describe is how to remove ambient wind sounds so that you can hear someone talk. Or how to remove the low hum of wind. And if it's the wind sound is ...
2 votes
1 answer
526 views

What causes a loud tone/noise in Blackmagic ATEM talkback?

Setup I have a Blackmagic ATEM 4 M/E and one of their studio cameras. I have a headphone on the camera and an active speaker on the ATEM so I can hear talkback. Problem There is a super loud whine/...
1 vote
1 answer
227 views

How to edit the DeNoise parameters for all cut parts of a clip?

I'm a newbie in video editing. I wanted to apply DeNoise filter in Adobe Premier Pro 2020, so I did so. Then I went on cutting parts of my clip, to jump cut parts of the footage. Then I realized that ...
0 votes
2 answers
112 views

Would 2 lights solve my DSLR green screen noises?

I would like to make a presentation at the background and the human which is "green screened". I tried with my DSLR Nikon D5200. So for now the result is like in this short video: https://...
1 vote
3 answers
4k views

How Can I Reduce Noise On a 5D Mk3?

The internet is full to bursting with comparisons of noise on the 5D Mk3 at different ISOs, but there is next to nothing about how to reduce noise or work with it / around it. I am experiencing noise ...
0 votes
0 answers
19 views

Canon EOS T5 video noisy

When I film at least at 3200 ISO I have so much noise in my video that the video is unwatchable. I tried the denoiser in Adobe Premiere pro but it removes all the details and it doesn't remove colour ...
1 vote
2 answers
64 views

What to do in order to avoid noises on records from DSLR for greenscreen?

I am an amateur, but I would love to record myself at video and then cut the background, so I can paste myself on top of prepared slides. Unfortunately each time I record a video there is a noise at ...
1 vote
0 answers
30 views

Horizontal noise on RCA capture

I'm trying to record some Wii footage using a Silvercrest capture card. I've managed to get the drivers working and recorded a snippet via an RCA A/V cable. However, there's a weird kind of noise - ...
0 votes
1 answer
3k views

Noise (from autofocus?) during Video on DSLR

I have a Canon 6D Mark II and am shooting video with a Canon EW-83H lens. The videos come out great but are plagued by audible creaking and clicking sounds during playback. My guess is that this noise ...
0 votes
1 answer
64 views

Getting audio components from two audio streams to remove noise

As a computer scientist, I know that it is possible to decompose two signal streams (such as audio) using the SVD (Singular Value Decomposition), to get the most natural bases for the signals. This ...
4 votes
3 answers
284 views

How to avoid noise when filming dark red

I saw a brilliant thread talking about why the colour red is noisy in post: Why does the color red always appear pixelated on TV and videos on the PC? I found this incredibly helpful in ...
4 votes
2 answers
241 views

I want to add video noise/grain based on an audio track?

Does anyone know of a plugin that would allow me to add video noise that is based on an audio track ? Anything at all that would let me do this would be fantastic.
1 vote
0 answers
1k views

How to create a loop with fractal noise in AE , (offset turbulence )? [duplicate]

I'm trying to create a loop for footage (fog), however could only create through loop "evolution options," looked tutorials on the internet, but none teaches how to create a loop using the "offset ...
1 vote
1 answer
58 views

Is in-canera noise reduction useful for video?

I've read different opinions online, but they always seem to talk about stills. So, is NR useful for shooting videos? Or does it mess up with the image too much? I'm shooting on a Panasonic Lumix G7, ...
0 votes
1 answer
123 views

Lighting/Lens Tips for DSLR Noisy Video

Canon EOS SL1/100D using the kit lens 18-55 f/3.5 - 5.6 I am trying to film indoor videos using the DSLR as it's image quality for stills is so much better than anything else I own (iPhone, really...)...
5 votes
1 answer
253 views

Add noise to video while maintaining compressibility

I'm creating a promotion video that has to be uploaded to YouTube and Vimeo. In post-production (using Final Cut), I've added a noise for aesthetic purposes. This noise looks really bad on YouTube ...
3 votes
3 answers
5k views

Microphone suggestions or software to avoid background noise in audio

I am afraid this is a bit off topic but I really need to find a microphone recommendation to record home videos without background noise. If this site is not the place and there is a site for ...
0 votes
1 answer
231 views

Audio noiseless video becomes noisy after importing in windows movie maker

I am getting a problem whenever I import a video having formats in wmv & avi in windows movie maker, the audio becomes noisy I dont why it is happening may be is it the bitrate issue or something ...
2 votes
2 answers
179 views

Minimising image noise within the recording of indoor office environments

Background I have a Panasonic HDC-HS700 camera that I am using to record indoor office scenes. The scenes are illuminated predominantly by fluoro lighting, with little natural light, however there ...