In the first part of this lesson, we looked at the reasons for the appearance of noise in photography, its components, and what to do to avoid provoking their appearance. In this tutorial we will learn how to reduce noise in Photoshop, Capture One, Digital Photo Professional And Lightroom. All of these programs have a tool for reducing noise in photography, called in photographers' jargon " noise reduction».
- On at this stage you need to understand that:
- If during shooting there are only two alternatives: to take a frame without noise (low sensitivity of the camera matrix) but blurred, or with noise but sharp, then I choose the second option. Because you can’t get rid of blurriness, but you can still fight noise.
- It is not always necessary to completely remove noise in a photograph; often it is enough to just reduce its level to an acceptable level.
- Luminance and chromatic noise are removed differently.
- At 100% scale of the image on the monitor, we see noise several times larger in area than it will be on a print, in a printed publication or online photo album.
This tutorial contains large photos that are automatically scaled if your screen size is smaller than necessary. When this happens, a button to zoom in to 100% will appear in the upper right corner of the photo. Only this scale will allow you to accurately assess the strength and size of noise. To view those parts of the illustration that are hidden, drag the image with the mouse over its central part. To close the photo and return to the article, press the Esc key.
Initial conditions: All noise reduction in my camera is turned off, filming is carried out in RAW format, the sensitivity is set to 3200 units (I still allow this value in my shooting) and 6400 units (let's see if I can use this sensitivity in an emergency). For control, a frame was shot at a matrix sensitivity of 100 units. Exposure compensation of +0.5 stops was made for all images. This slightly increased the noise level in the photographs, but exposure errors occur during shooting, so this correction is closer to the practical situation for the photographer. From test shots were cut out ( photo 1): a) a fragment from Shnyr’s food packaging (to control text sharpness and color distortion); b) a scale with fields of different lightness (control of the strength of noise in different tones); c) a fragment of the body of the mythical creature Gava (for greater beauty). On photo 2 we see that with increasing sensitivity, noise spots grow on all target fields, which is quite natural and expected.
Photo 1: test photo.
Photo 2: increasing the sensitivity of the camera matrix leads to increased noise.
Photo 3: Reducing luminance noise reduces sharpness small parts in the picture.
How to remove noise in Photoshop.
Ah, pranksters, didn’t you shoot in RAW format or forgot to remove noise at the stage of converting the RAW file? Sometimes it happens. Open our photo in Photoshop, then go to the menu: Filter > Noise > Reduce Noise... (Filter > Noise > Reduce Noise...). Here is our first tested noise reduction.
Luminosity noise. It is the first two sliders (Strength and Preserve Details) that are responsible for reducing it. If we drag Strength to the right edge, we will see that the luminance noise is reduced, but the text also becomes blurrier ( photo 3). The main evil of brightness noise: fighting it leads to a decrease in the sharpness and detail of the photo. The attentive reader will notice that the Preserve Details slider is designed precisely to ensure that the image does not lose quality. Move the second slider further to the right and you'll see the sharpness and detail return. But the noise comes back with it, so it turns out that they have exchanged the flaw for soap. Settings I used for ISO 3200: Strength – 9, Preserve Details 6%. If your photo does not have small details, such as text, texture, then Preserve Details can be reduced down to 0. For ISO 6400, these settings turned out to be weak, so I increased Strength to 10, and Details was reduced to 3%, somewhat to the detriment of text sharpness ( photo 5).
Chromatic (colored) noise seems like the lesser evil. By moving the Reduce Color Noise slider to the maximum value ( photo 4) text sharpness does not decrease, color noise almost disappears, but objects small size lose color saturation (look at the red and blue fields). Also note that a colored halo is formed around the red dies. Sometimes, such a change in the color of small details can be critical and impossible to photograph. Therefore, we should try to apply noise reduction to a minimum extent: for ISO 3200 I used a Reduce Color Noise value of 70%, and for ISO 6400 - 100%.
On photos 5 and 6 you see the result of noise reduction work in Photoshop. If for ISO 3200 after noise reduction noise manifests itself at a tolerable level and there is still some reserve for greater suppression, then for ISO 6400 they are already excessive for some shooting, and I would try in every possible way to avoid using this sensor sensitivity.
Photo 4: Reducing color noise can lead to decreased color saturation of details and color ghosting.
Photo 5: reduced noise in Photoshop, ISO 3200.
Photo 6: the result of applying Photoshop noise reduction for ISO 6400.
Conclusions: Reducing luminance noise is impossible without reducing the sharpness of the photo. The use of noise reduction makes it possible to use a sensitivity of 3200 units, but a sensitivity of 6400 may not be suitable for increased requirements for photographic quality. If you take photographs for the Internet or small prints, then I can use a sensitivity of 6400 units. By reducing brightness noise in photography, we do not get rid of chromatic noise, and vice versa.
Reducing chromatic noise in photography can sometimes go unnoticed by the viewer. But if when shooting, color accuracy in small details is important, then excessive use of noise reduction settings in Photoshop is unacceptable, for example when subject photography or in food photography. The more “gentle” the noise reduction settings we use (not only in Photoshop, but in general), the better quality our image is after processing.
Digital Photo Professional
The second one for this lesson I chose Canon Digital Photo Professional(hereinafter referred to as DPP). This is a very simple RAW file converter for Canon cameras and it is with its help that I introduce students in a photography course for beginners to the capabilities of the RAW format. In order to get to the DPP noise reduction, you need to select the NR/Lens/AOL tab on the Tool Palette. Naturally, we are interested in the Noise reduction block, which contains only two sliders: Luminance... - for reducing brightness noise, and Chrominance... - for chromatic ( photo 7). As with Photoshop's noise reduction, I tried to apply the same settings in DPP to maintain a balance of quality for small details and smooth surfaces. For ISO 3200 the following parameters were used: Luminance - 7, Chrominance - 12 ( photo 8). For ISO 6400 - 12 and 20 respectively ( photo 9). The result is very similar to the one obtained in Photoshop's noise reduction.
Setting up noise reduction in DPP. I noticed that when my camera's noise reduction is turned off, DPP applies its own noise reduction to RAW files. It is not convenient to turn off photo noise reduction every time, so you need to make sure that DPP does not apply it by default. To do this, go to the DPP settings ( Ctrl keys+ K), go to the Tool palette tab, turn on the Set as defaults switch, set all sliders to 0, click OK, and restart DPP ( photo 10).
Photo 7: Canon Digital Photo Professional noise reduction.
Photo 8: the result of applying DPP noise reduction for ISO 3200.
Photo 9: the result of applying the same noise reduction for ISO 6400.
Photo 10: DPP noise reduction settings.
Capture One
Today Capture One is my main RAW file converter. As with DPP, its noise reduction ( photo 11) is not disabled, and is applied to the RAW file regardless of camera settings. Moreover, even when there is no need to reduce noise, for example, with low sensitivity. I did a little research on the noise reduction algorithm in Capture One, and it interested me so much that I decided to read the help of this RAW converter. Alas, none useful information I couldn’t find any information on how noise reduction works in Capture One. Therefore, the results of my conjectures, assumptions and research will be described below.
According to the Capture One help, the noise reduction of this converter changes its settings after analyzing the file. I admit, over several years of working in Capture One, I have adjusted its noise reduction settings only a few times. Noise reduction works so gently, intelligently, unobtrusively and excellently in automatic mode that I simply forgot about its existence.
The first thing I checked was how my photography would improve when I removed the noise reduction settings for ISO 100. And nothing happened. That is, if there is no noise, then the noise reduction does not work. Then I noticed that increasing the sensitivity only changed the Color value (the effect on color noise), but not the Luminance value (brightness noise). Then I assumed that with the same Luminance value and with increasing sensitivity, luminance noise would increase in proportion to what happens in the absence of noise reduction. Not so. The noise increased, but not so significantly. I won’t guess how this happens, but I was pleased with the result of Capture One’s intelligence.
In the following experiment, I tried to find the minimum value of the noise reduction settings that would satisfy me, and compare how much softer my settings were with the default settings offered by Capture One. The changes were so minor that they can be ignored: for ISO 3200 Capture One suggested values of 25 and 54 (Luminance and Color), but I found softer values acceptable: 20 and 50, respectively. For ISO 6400, Capture One's own noise reduction settings completely satisfied me, and I did not touch them (25 and 57).
There are a few more amenities that can make noise cancellation even more effective. Surface reduces large noise spots on low-contrast, smooth surfaces without affecting fine details such as text (value 70 for ISO 3200 and 90 for ISO 6400). Single Pixel allows you to remove single-pixel noise (individual knocked-out pixels) without losing fine details. True, such pixels appear only at ISO 6400 or when the matrix overheats in Live View mode. Despite the fact that the noise reduction test used a matrix sensitivity of 6400 units, I did not use this setting Capture one, since the impact of the basic tools was enough.
I'm very pleased with the quality and noise reduction capabilities of Capture One. Unlike the noise reduction devices discussed above, Capture One does not create color halos or reduce color saturation in small details of the photo. Colored noise in shadowed areas is also significantly better suppressed than previous competitors. This speaks of high quality reduction algorithm color noise. Surface's action also makes luminance noise appear weaker, especially on plain surfaces.
You can see the results of noise reduction in Capture One at photos 12 and 13. However, it remains to test a competitor among RAW converters - noise reduction in Lightroom.
Photo 11: Capture One noise reduction.
Photo 12: the result of using Capture One noise reduction for ISO 3200.
Photo 13: the result of applying the same noise reduction for ISO 6400.
Lightroom and Adobe Camera RAW
I even downloaded the new Lightroom - 4.3... In all previous versions Lightroom, its noise reduction, according to users, was considered weak link and was not recommended for use. Those. After converting the RAW files into Lightroom, noise reduction had to be done in Photoshop. But Photoshop’s noise reduction system is much inferior in quality to at least Capture One, and I can’t recommend this chain (Lightroom > Photoshop) for noise reduction. I have come across a mention on the forums that Lightroom noise reduction has been improved, starting with the fourth version. Wanting to clarify this information with experienced users, I again found myself on the Lightroom forums. And what I read there did not please me at all: slowdowns, difficulties in operation, glitches, in general, everything is as always with the RAW file converter from Adobe. This has finally turned me off from installing Lightroom, and instead of its denoising, I will test a similar Photoshop tool - Adobe Camera RAW. I have long noticed that the settings of these two Adobe products are identical, and lead to the same results after processing RAW files. That is, the operating algorithms of both programs are the same (it would be strange for one manufacturer to make two versions of noise reduction). If I'm wrong and you have good reasons for this, please let me know.
In order to reduce noise in Adobe Camera RAW, you need to go to the Detail tab. This noise canceler has more settings, rather than noise reduction in Photoshop (photo 14). By default, for files of both sensitivities, Camera RAW suggests not reducing luminance noise, but reducing color noise (Luminance – 0, Color – 25, Color Detail – 50). At these settings, color noise is suppressed beautifully, and (as in Capture One) I don't notice any color ghosting. Wonderful. The Color Detail slider helps adjust (return) color saturation for small details (remember, this was a problem in Photoshop's noise reduction). I left the Color Detail value as default, i.e. 50. But I lowered the main Color setting to 15 (for ISO 3200) and 20 (ISO 6400).
Highlight spots on smooth surfaces remained visible but unobtrusive at Luminance settings of 55 (at ISO 3200) and 70 (ISO 6400), but did result in a slight reduction in text detail. Therefore, I chose a compromise Luminance Detail value of 40 (for ISO 3200) and 50 (ISO 6400).
I really liked how Adobe Camera RAW reduces noise ( photos 15 and 16) that I thought about the permissibility of wider use of sensitivity 6400 on my camera. If we added the Surface setting to this noise reduction as in Capture One, then it would have no equal. I wonder how the places will be distributed among the noise reduction leaders at the end of this photography lesson.
Photo 14: Adobe Camera RAW noise reduction (the settings are identical to Lightroom).
Photo 15: the result of applying Adobe Camera RAW noise reduction for ISO 3200.
Photo 16: the result of applying the same noise reduction for ISO 6400.
Noise reduction test results
Noise reduction test results in photos 17 and 18: the worst are at the top, the best are at the bottom. When shooting with high sensitivity values, I do not recommend using Photoshop noise reduction to raster images and Canon Digital Photo Professional. The main reason is strong color halos around colored parts in a photograph. It is also difficult to find a compromise in these noise cancelers between the level of brightness noise on smooth surfaces and the sharpness of small details. Capture One, compared to the first two, looks in an advantageous position until the Adobe Camera RAW noise reduction comes into play. The latter showed that in many cases I could use 6400 sensitivity for commercial shooting as well: amazing luminance noise reduction for smooth surfaces while maintaining fine details and good job to reduce color noise. I don’t understand what people who work in Lightroom are complaining about?
Photo 17: Comparison table of noise reduction for ISO 3200.
Photo 18: Comparison table of noise reduction for ISO 6400.
Photo 19: Charming noise.
Conclusion
If you want to use high sensitivity values when shooting, then start fighting noise at the shooting stage - shoot in RAW format. Do not transfer the process of noise reduction to Photoshop; do it in a RAW converter when correcting photos. Use the converter that will reduce noise in photography with less losses (and losses are inevitable). Use the minimum noise reduction settings.
If the photo has loud noises, then in some cases you can limit yourself to reducing only the color spots. The remaining luminance noise will be very similar to film grain. Sometimes this grain imitation is even preferable to the smooth image of a digital camera. For example, if you are stylizing a photo as antique. In other cases, grain can give a certain charm to a photo ( photo 19). It’s not for nothing that there are Photoshop filters that create similar film grain. But, this is a topic for another lesson.
PS: Not the newest noise cancelers were used in this test Adobe versions Camera RAW and Capture One. Therefore, it is possible that the noise reduction algorithms in these programs have become even more advanced.
PPS: Don't make noise!
Unfortunately, it is not always possible to achieve a clean, noise-free recording on the first try. Sometimes, instead of re-recording, it is best to remove unnecessary noise using software post-processing. There are a number of audio editors that will help you cope with this problem. However, they need to be installed on your computer, plus you will have to spend a lot of time getting to grips with the interface.
To avoid all these problems, it is recommended to use special online services. They cannot fully compete with professional software, but they are very easy to learn. Their functionality should be enough to carry out primitive work with sound.
Removing excess noise online
There is nothing difficult in removing excess noise if it is not very noticeable or is found only in certain short periods of the recording. Otherwise, you will have to spend a lot of time on this. If the recording is very noisy, it is best to re-record rather than try to get rid of the noise.
Unfortunately, there are no normal resources for clearing records from unnecessary sounds not so much. Let's look in detail at those that we managed to find.
Option 1: Online Audio Noise Reduction
This site is presented in its entirety on English language. However, even basic knowledge of the language will be enough for its comfortable use. Plus, the functionality of the service is not very large, so understanding it will not be very difficult. You can remove excess background noise from your recording as follows:
- Go to the official website of the service. Pay attention to the “Input” line; here you will need to upload the file using a special button. You can also select one of the following in the “Demo files” field: ready-made examples to check the functionality of the service.
- Windows Explorer will launch. In it you need to select the recording where you want to remove excess noise. After that, click on the “Open” button.
- In the next line “Noise model type” you need to indicate the type of noise that is present in the recording. To choose the most correct option, you need to have at least basic knowledge of the physics of sound. Let's take a quick look at the available types:
- "Mean" is the average value. Recommended for use in cases where it is not possible to determine the exact noise model;
- “Adapted distribution” - distribution of noise across different playback channels, that is, noise is distributed evenly throughout the entire recording;
- “Autoregressive model” - setting a linear dependence of noise.
- Now move on to more detailed settings. You need to determine by ear the approximate duration of a unit of noise to select the correct block size for analysis. Quite often it is not possible to decide immediately, so it is recommended to set the minimum value. Leave the “Enhancement spectral domain” item unchanged. As for the anti-aliasing settings (the last two parameters), set the values there at your discretion. Usually it is enough to extend the slider halfway.
- If you need to process several tracks, it is recommended to check the box next to “Fix these settings for another file”. This item is responsible for saving the current settings, which will allow them to be applied automatically to other loaded tracks.
- When you are done with the settings, use the “Start” button to begin processing. Wait for it to complete; if the recording is small, the processing will complete quickly, but you also need to take into account the speed of your Internet connection. After this, you will be able to listen to the final version of the composition and its original so that you have something to compare with.
Option 2: MP3cutFoxcom
The service that was discussed above is the most worthy in its field, as it allows you to remove noise from the entire composition and has an extensive list of settings. However, it is worth considering that such a need does not always appear. Sometimes it is necessary to remove excess noise only from some temporary section of the composition, which, as a rule, is quieter than other sections. In this case, you can simply trim this part of the audio recording, and for this there are many online services, for example, the same MP3cutFoxcom:
In this article, we looked at online services with which you can get rid of unnecessary noise on audio recordings. However, using them to perform high-quality noise removal is very difficult, since the necessary functionality is not available and you have to be content with what you have.
Noise in a photo image is an age-old problem that both novice photography enthusiasts and professionals face. Digital noise appears as individual spots of light, dark, or color that can fill entire areas in a photo. Owners mobile phones Those who shoot in low light with their gadgets are well aware of this problem. However, even those with advanced SLR cameras Often they are faced with the fact that contrast dots appear in photographic images, which spoil the overall impression of the photographs. In this article we will talk about how to reduce the effect of noise on photographs when shooting, as well as how to eliminate such minor image defects software.
Reducing noise in photos when shooting
It should immediately be noted that the noise in digital photography there is always and this is due to the characteristics of the photosensitive matrix, which forms the basis of any digital camera. However, in most cases the noise level is so low that the human eye is unable to discern image defects. But in some situations, especially when shooting in low light conditions, digital noise in the image becomes clearly visible. There are several ways to reduce the impact of noise when shooting:
— Do not use high sensitivity valuesISO
Perhaps the main reason for noise in photographic images is that the ISO sensitivity value set by the photographer is too high. When shooting in low light without a flash, you have to increase the sensitivity of the sensor to make the photo brighter. However, increasing the ISO value in your camera settings too much results in images becoming too noisy.
The influence of the ISO value can be assessed using the example of the photo area inside the red oval (clickable):
Noise reduction
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Although camera manufacturers are currently working hard to reduce noise levels at high ISO levels, it is still not wise to use the extended sensitivity range thoughtlessly. It is better to choose the minimum possible or average ISO value, and only after test photographs draw appropriate conclusions about the need to increase the sensitivity of the matrix. Thus, you should increase the ISO value only when there is really a need for it.
In low light conditions, try to use fast lenses or flash. As for optics, the wider the aperture is open, the shorter the shutter speed can be made. All this will allow you to take better photos in low light without the need to seriously increase the ISO sensitivity and thereby increase the risk of noise.
— Shoot from a tripod
To reduce noise, it is advisable to use a tripod or monopod on which you can mount a digital camera. This is especially true for situations where you are shooting any static objects in low light conditions. Using a tripod will allow you to set the sensitivity settings of the camera sensor to their lowest value, which, in turn, will reduce the likelihood of digital noise appearing in your photos.
— Protecting the camera from overheating
It's no secret that digital noise becomes stronger when the sensor heats up. digital camera. A simple rule applies here - the higher the temperature of the matrix, the more noise there is in the photographic image. In this regard, try not to shoot for a long time in conditions of heat, high humidity and direct sunlight, and also do not use too long shutter speeds unless absolutely necessary.
Also, be aware that when using LiveView in digital SLR cameras the photosensitive matrix works not only during the exposure of the frame, but also a little longer, which can lead to additional heating. Therefore, you should not abuse shooting in this mode; give your camera’s sensor time to cool down.
— Shooting inRAW
It is preferable to shoot in RAW format. This format contains more information than JPEG, so you have more opportunities to get a high-quality photo. In addition, you can reduce noise in the photo image already when converting RAW files using software for image processing.
Modern digital cameras are equipped various functions noise reduction, but the software algorithms used in them are far from perfect and do not always suppress noise correctly. Often, using such a function leads to the loss of fine details of the image. In addition, if your camera has already removed some of the noise, this may complicate the subsequent processing and finishing of the photo on a computer.
How to remove noise from a photo in Photoshop
Taking advantage of one of the graphic editors, you can safely remove digital noise from a photo. IN Adobe Photoshop this procedure is usually performed through the standard Reduce Noise filter (via the menu Filter - Noise - Reduce Noise). Before processing the image, you need to open it in Photoshop and duplicate it (Layers – Duplicatelayer). Thanks to this, at the end of the noise removal work, you can always compare the original with the processed image. After opening the Reduce Noise filter, you start working in (Basic) mode, where the following parameters will be available:
— Intensity or strength (Strength). This parameter reduces luminosity noise - the further to the right you move the slider, the more the noise will be reduced. The main thing here is not to overdo it, so that various small details do not disappear from the photo along with the digital noise.
— Save details (Preserve Details). By adjusting this slider, you can restore the missing small details of a photo image, but keep in mind that noise will also return to the photo. Here you will have to find the optimal balance between leaving the fine details of the photo and accepting the presence of a certain level of noise, and completely eliminating noise, accepting the loss of some details.
— Reduce color noise (Reduce Color Noise). This option is used to remove color spots from a photo.
— Sharpen Details. Using this option, you can try to restore the sharpness of the photo image, which naturally deteriorates with a decrease in digital noise.
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ISO 25600 - after noise reduction
Experiment with the settings, then move on to additional mode the same filter (Advanced). Here you can reduce noise in a single channel thanks to the “Per Channel” tab. For each channel, you can change the same above-mentioned parameters “Intensity” and “Preserve details”.
Select the optimal filter settings for a specific photo image. If you need to get rid of the so-called brightness noise, that is, from small elements in the photo that have differences in brightness, then you can start with the following settings: Intensity - 9 - 10, Preservation of details - 3 - 6%. If you are dealing with chromatic noise (the presence of colored spots in the photo), then you can set the following Reduce Color Noise value – 70 – 100%.
In conclusion, it is worth noting that the extent of the problem of digital noise in photographic images is often exaggerated by photographers themselves, who simply do not want to see any “defects” in their photographs. However, you need to remember that when viewing a picture at 100% scale on a computer monitor, you will see noise several times larger in area than in the same photograph posted, for example, in an online photo album. In addition to this, there are currently no universal noise removal algorithms. This means that noise suppression or its elimination by software one way or another leads to a partial loss of small details, deterioration in color accuracy and sharpness of the photo. Therefore, you do not need to strive to always completely remove noise from your photographic images; in most cases, simply reducing it to an acceptable level will be enough. Although if you plan to engage in commercial or stock photography, then you will have to be more strict about the technical side of the images and similar minor defects in photographic images.
Not always a musical composition or any recording comes out clean, without the presence of extraneous noise. When there is no possibility of re-recording, you can use improvised means to remove these noises. There are a number of programs that allow you to cope with this task, but today we want to devote time to special online services.
There is nothing difficult in removing noise, especially if it is not very noticeable or is found only in short sections of the recording. There are very few online resources that provide cleaning tools, but we managed to find two that were suitable. Let's look at them in more detail.
Method 1: Online Audio Noise Reduction
The Online Audio Noise Reduction website is entirely made in English. However, don’t worry - even an inexperienced user can figure out the controls, and there aren’t that many functions here. Clearing a composition from noise occurs as follows:
- Open Online Audio Noise Reduction using the link above and proceed straight to downloading music or select one of the ready-made examples to test the service.
- In the browser that opens, select the desired track with the left mouse button, and then click on "Open".
- From the pop-up menu, select a noise model, this will allow the program to carry out best removal. To choose the most correct option, you need to have basic knowledge of sound in the field of physics. Select an item "Mean"(average value) if you cannot independently determine the type of noise model. Type "Adapted distribution" is responsible for the distribution of noise on different playback channels, and "Autoregressive model"— each subsequent noise linearly depends on the previous one.
- Specify the block size for analysis. Determine by ear or measure the approximate duration of one unit of noise to choose the right option. If you can’t decide, set the minimum value. Next, the complexity of the noise model is determined, that is, how long it will last. Paragraph "Enhancement spectral domain" can be left unchanged, and anti-aliasing can be adjusted individually; usually it is enough to move the slider halfway.
- If necessary, check the box next to the item "Fix these settings for another file"- this will save your current settings and they will be automatically applied to other loaded tracks.
- Once configuration is complete, click on "Start" to start processing. Wait a moment until the removal is completed. After this, you can listen to the original composition and the final version, and then download it to your computer.
This completes the work with Online Audio Noise Reduction. As you can see, its functionality includes detailed setup noise removal, where the user is asked to select a noise model, set analysis parameters and set smoothing.
Method 2: MP3cutFoxcom
Unfortunately, there are no worthy online services that would be similar to the one discussed above. It can be considered the only Internet resource that allows you to remove noise from the entire composition. However, such a need does not always exist, since noise can only appear in a quiet area of a certain section of the track. In this case, a site that allows you to trim part of the audio, for example, MP3cutFoxcom, is suitable. This process is done as follows:
There are many more similar services. Each of them allows you to cut a fragment from a track in a different way. We offer you to read our separate article, which you will find at the link below. It discusses such solutions in detail.
We tried to select for you the best sites for clearing a composition from noise, but it was quite difficult to do this, since very few sites provide such functionality. We hope the services presented today will help you solve your problem.
Users encounter the problem of extraneous noise when recording sound through a microphone connected to a computer quite often. Whistling, humming and hissing during communication, for example, via Skype, can also be annoying. How to avoid such troubles? There are several methods. These include both primitive and more complex ones, involving the use of software and hardware.
Extraneous noise can be heard both when working with built-in components and when communicating or recording sound using an expensive device. These are features of membranes installed in microphones during their production. They perceive not only the user’s speech, but also the noise of the worker system unit, the hum of the refrigerator, the hiss of the TV.
Another reason for unsatisfactory microphone performance is low connection speed. If in the process of communicating on the Internet via Mail.ru Agent or Skype, data is transferred slowly, not only noise will be heard, but the connection may even be lost.
The third reason is a simple malfunction of the device. If the device is unable to operate correctly due to a breakdown, problems cannot be avoided.
Software errors and incorrect settings by the user most often lead to a noisy microphone. The reason for the troubles here is clear - the inability to work with software “responsible for sound purity”.
Noise reduction methods
All methods for overcoming microphone noise can be divided into:
- Primitive;
- Hardware with the use of appropriate software.
The first step is to identify the “weak” point. It is advisable to start by checking the device to ensure its functionality. Such actions are somewhere between carrying out primitive operations and serious manipulations. For this:
- If you are sure that the microphone is physically connected to the PC correctly, click “Start”;
- In the search field, enter “sound recording”;
- Press Enter.
After this, a window will appear with an indicator and a “Start recording” button. Further:
- Click on the corresponding button;
- We say a couple of phrases;
- Save sound file, let's listen to it.
If everything that was said can be heard, then the microphone is working.
Primitive methods
You can try simple manipulations. It is advisable to turn off, for example, a noisy fan, TV, or radio. If the microphone is not built into the PC, you should move it away from the computer. When making a speech, you should be close to the device.
Another option: it is advisable to try to put a foam ball on the microphone. Each of us can see these when they show a journalist reporting the news on TV.
Slow connection
When talking online using IP telephony, problems with this plan are encountered due to the fact that the connection is slow. You can try to increase the speed by stopping the downloading of any files or the operation of other programs. If the speed is initially limited, there is only one way out - change the provider.
Using the Software
Getting started with the software right click Using the manipulator, click on the image of the speaker in the lower corner of the display and select “Recording devices.”
In the window that appears, click on the name of the microphone, where there is a green flag, and click “Properties”. Next: in the “Controller” section, click “Properties” again, which will give you the opportunity to see if everything is fine with the driver. If this is not the case, the driver will have to be installed.
Next: go to the “Listen” tab, mark the appropriate item, alternately click “Apply” and “OK”. Now we hear everything we say into the microphone.
Let's go to “Levels”. There are two sliders, by moving which we try to completely get rid of the noise. Usually the first slider is set to 100%, the second - to 10 dB.
Go to the “Advanced” section, increase the frequency, go again to the “Levels” section, try to “strengthen the microphone”. If after this the noise level is the same, we experiment further.
How to set up a microphone in Skype
If communication via Skype is difficult due to noise, you should check your settings. For this:
- We launch the program;
- In the “Tools” menu, select “Settings”, then “Sound Settings”;
- In the “Microphone” section, select all devices one by one from the drop-down list.
When selecting the required device, the user will see a green bar opposite “Volume”. We do the same in the “Speakers” section and save the changes.
Setting up in the Mail.ru Agent program
After launching the software, do the following:
- In the menu we find the item “Program Settings”;
- In the window that appears, go to the “Voice and Video” tab, select the “ Automatic setup sound parameters”;
- Select the one you need from the list of devices;
- If the microphone is not very sensitive, check the box next to “Microphone Gain”.
Instead of an afterword
There are different methods for suppressing microphone noise. In the vast majority of cases, users achieve the desired effect. It should be remembered: if the primitive method is powerless, this does not mean that all other actions are useless. You just need to try to configure the software and hardware as correctly as possible.
In contact with
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