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Why Do Microphones Have Foam Windscreens? {2023}

Why Do Microphones Have Windscreens?


Last Updated on September 18, 2023 by Ryan Conlon | 🕒 5 min Read Time


Ever leaned into the mic during a spirited podcast discussion only to have your audience later complain about the harsh wind noises that competed with your sharp insights?

If so, you are not alone.

Welcome to the world of elusive microphone mysteries – one of which is the often overlooked utility of foam windscreens.

Through careful examples, we’ll unravel how this simple yet effective piece of equipment could be your secret weapon for a glitch-free podcast or audio recording experience.

So, buckle up and join us as we unveil the intriguing world of microphone foam windscreens.

Foam windscreens serve as a protective barrier between the microphone and wind or other unwanted noise sources, preventing distortion and improving sound quality. They also act as a filter for plosive sounds such as “p” and “b,” reducing pops and hissing in recorded audio. Overall, foam windscreens are essential for clear audio recording whether you’re working outdoors or indoors.

The Functionality of Foam Windscreens

Foam windscreens have become an essential accessory for high-quality audio recording and broadcasting.

These small accessories protect microphones’ diaphragms from wind noises, breathing sounds, or any other unwanted sounds that could interfere with the recorded sound’s clarity.

Microphone windscreens come in many shapes and sizes, but foam windscreens are the most common due to their convenience, effectiveness, and affordability.

Suppose you’ve ever used a microphone outdoors without a windscreen while recording a podcast or conducting an interview.

In that case, you’ve probably experienced audio interference caused by wind noise or other vibrations.

A foam windscreen helps eliminate these annoying noises by diffusing the pressure waves of the sound that causes pops and clicks.

Additionally, in low-budget recordings, audio technicians must use all resources available to obtain clear and distortion-free audio.

Moreover, foam windscreens offer up to 8dB of wind noise attenuation and can prevent tearing the microphone’s diaphragm membrane, thus prolonging its lifespan.

Like a windshield protects your sight while driving from pollen grains, dust particles, or bugs on the road, microphone foam windscreens protect the mic from particular foreign powers entering through it.

However, some people argue that using foam windscreens can distort the original audio signal because it may muffle some high frequency.

This runs counter to the fact that foam windscreens do not alter the low frequencies of the original recording; therefore, there is no reason not to use them when wind noise would otherwise ruin a recording or be distracting.

Now that we have covered what a foam windscreen is and how they function let’s take a look at why improving audio quality in various environments is important.

  • Foam windscreens are essential accessories for high-quality audio recording and broadcasting, as they can effectively reduce wind noise and other unwanted sounds that could affect the clarity of the recorded sound. These windscreens are affordable, convenient, and effective in diffusing pressure waves caused by pops and clicks. Foam windscreens protect microphone diaphragms from foreign particles and can prolong their lifespan. Although some argue that foam windscreens may muffle high frequencies, they do not alter low frequencies, making them essential for use when wind noise would otherwise ruin a recording or be distracting.

Improving Audio Quality in Various Environments

Whether you’re hosting an outdoor event or interviewing guests in an indoor studio, using a foam windscreen can make all the difference.

In outdoor environments, even a gentle breeze can create unwanted noise that can cause popping sounds on your recording. Foam windscreens help to prevent these inter-ferences from ruining your shots.

Suppose you’re covering a music festival and need to capture great audio of live performances under windy conditions.

In that case, foam windscreens become essential. Without a windscreen, the noise could increase by several factors, simultaneously ruining the listening experience and destroying the recording potential.

The use of foam wind protection is an easy and efficient way of eliminating this issue entirely.

Likewise, in an indoor studio environment, air conditioning and ventilation systems can create background noise that may interfere with recordings’ clarity.

A foam windscreen protects against these distracting noises from HVAC or fans, creating clean audio files that are free from interference.

Still, people tend to ask if using foam wind protection indoors is overkill, given how tightly controlled studio environments are designed to be.

But It’s important always to remember that investing in quality microphone accessories like foam windscreens is not a luxury but rather an “insurance plan.”

You never know when unexpected drafts or other incidents could occur in the middle of recording a crucial take that ruins everything.

Think of it like leaving your expensive camera gear at home because it looks like the weather will hold up for outdoor shooting on-location–that turned out terrible!

No director would risk getting compromised takes in strong winds without insurance (a windscreen).

A professional does not compromise on their work’s quality due to avoidable issues.

We have seen how crucial foam windscreens play in enhancing audio quality across various environments; let’s move forward and learn about different types of windscreens and how they compare against one another.

Discerning Between Different Types of Windscreens

Windscreens play a crucial role in the quality of audio recordings, and they come in different types.

While foam windscreens are the most common and basic type, there are other options available, including fur wind-guards or windjammers and blimps or baskets.

Foam windscreens are ideal for novice professionals. They are affordable, readily available, and offer good protection against light to moderate wind.

Foam windscreens can keep plosives at bay, prevent distortion, and reduce background noise.

If you’re recording indoors with no environmental white noise or winds, foam windscreens can still make a difference in your sound quality.

In contrast, synthetic fur windguards or windjammers deliver superior shield against stronger wind forces, with between 25dB-40dB of attenuation.

They also make an ideal option over foam windscreens if you have an interior session flood-damaged due to heavy storms or facing HVAC noises in your recording area and need top-notch noise protection.

While fur-lined options may seem more promising given their higher attenuation rate than foam pads, consider that fur covers wear out incredibly fast compared to foam due to frequent rubbing against the singer’s lips’ hair.

Fur is not always machine-washable as it tends to mat after frequent exposure to water.

And while synthetic fiber alternative may work wonders for long recording sessions outside recording studios without air problems such as low-frequency noise from air conditioners and breeze drafts, cleaning is time-consuming.

Choosing between different types of windscreens is akin to selecting between different lenses for a camera.

It depends on factors like lighting conditions you’re shooting under, your expertise level for professional photographers who need professional photoshoots during winter snowy weather seasons will prefer this furred option over foam pads as this gives them better quality photos.

Having understood the different types of windscreens available, it’s time to examine the advantages and disadvantages of foam windscreens over fur windguards and blimps.

  • Windscreens, particularly those made of foam, can reduce wind noise by up to 8dB (decibels), ensuring clearer audio during outdoor recordings or indoor drafty environments.
  • Foam windscreens can also prevent plosive sounds (“p-pops”) from distorting the audio signal significantly. This has been experimentally demonstrated in multiple recording studios where usage of foam windscreens led to a decrease in such distortions by up to 30-40%.
  • Future Market Insights reports that the global microphone market is expected to grow at a CAGR (compound annual growth rate) of approximately 7.8% from 2020 to 2030, with an associated surge anticipated in windscreen sales due to their crucial role in maintaining sound quality and protecting expensive gear against environmental factors.

Foam Windscreens Vs. Fur Windguards and Blimps

Foam windscreens are affordable, lightweight, and easily replaced but might offer lower protection against strong winds compared to fur-lined options or blimps.

They may also look unsightly on expensive microphones since foam pads can seem like a cheap addition to high-end instruments.

On the other hand, fur windguards and blimps/baskets deliver higher noise attenuation rates that make them suitable for outdoor recordings.

For individuals who need wind protection for a single microphone or occasional outdoor recording sessions without the need to shell out excessive cash buying specialty windscreens, foam pads offer an excellent cost-benefit ratio.

They’re easily obtainable in stores like Walmart across the US in case of emergencies.

But if you’re continuously recording in noisy environments with heavy winds, you will need more advanced protection than what basic foam shields offers you.

Blimps are harder to come by outside specialized stores since they’re less common and more expensive than other options: between $140-$200 on average for one basket/blimp depending on size and supplier.

However, professional sound recordists often select this option due to maximum possible protection they provide from wind-based disruptions without affecting sound quality.

However, alternatives to foam options have numerous limitations despite their top performances as they add additional weight to your set up and significantly cause distortion to audio levels causing other issues.

Alternatively due to their price point not everyone can afford it making it hard for disbalance in recording experience.

Choosing between foam windscreens vs fur windguards or blimps is akin to choosing between living in a condo inside a crowded city versus owning a private mansion in the countryside.

While foam pads are more budget-friendly and easily accessible, they may offer less protection against strong winds.

Blimps or fur-trimmed options provide top-quality wind protection that makes them ideal for outdoor recordings.

However, this comes with extra expenses, intricacy of washing if not cleaned correctly it can easily wear out.

Having known the differences between foam windscreens, fur windguards, and blimps/baskets in terms of advantages and disadvantages, it’s essential to consider some critical factors during the selection process.

Key Considerations in Choosing Windscreens

Windscreens are a crucial piece of equipment when it comes to achieving high-quality audio recordings. However, not all windscreens are the same, and choosing one that best suits your needs can be a daunting task.

In this section, we’ll explore some key considerations that you should keep in mind when selecting a foam windscreen.

Firstly, it’s important to consider the type and size of your microphone.

Different microphones have varying shapes and sizes, which means that they require different types of windscreens.

For instance, shotgun mics typically require longer windscreens that cover the entire length of the mic, while lavalier mics often use smaller foam discs that attach directly to the mic capsule.

Secondly, noise attenuation is another critical factor to consider when choosing a windscreen.

Foam windscreens offer basic protection from wind noise and generally provide up to 8dB of noise reduction.

In contrast, synthetic fur windguards or windjammers offer superior wind protection with between 25dB-40dB of noise attenuation and up to 50dB when layered over a foam windscreen.

Baskets or blimps are another option for maximum noise reduction, with up to 50dB of attenuation; however, these come at a higher cost and may not be suitable for on-camera microphones.

Another consideration is acoustic transparency: the ability of a windscreen to allow sound waves to pass through without interfering with their quality.

While windscreens provide some level of attenuation, they can also introduce unwanted changes to the frequency response of your microphone.

Some people argue that synthetic fur windscreens cause less interference compared to foam windscreens due to their elongated fibers, while others believe that foam windscreens tend to preserve high-end frequencies better than fur variants.

One way to think about windscreen selection is to liken it to choosing tires for a car.

Like how different cars require specific types of tires depending on their make and model, each microphone type demands a matching sized and shaped windscreen.

Additionally, just as some tires are better suited for particular weather conditions or terrains, certain windscreens are better geared towards outdoor or indoor recording sessions.

With these key considerations in mind, you’ll be able to choose a foam windscreen that best fits your specific recording needs.

However, once you acquire one, it’s essential to take proper care of them to ensure longevity.

Maintenance and Lifespan of Foam Windscreens

When choosing between foam pads versus fur-lined shields or baskets/blimps, the microphone size and type is a vital consideration.

Large-diaphragm microphones like condenser mics require gentle handling when using foam sleeves to prevent air noise barrier against interruptions from high-frequency noise pick-up; whereas baskets/blimps are more effective.

On the other hand, dome-tipped dynamic mics work fine with foam shields to catch plosives as these do not disturb natural audio flow.

Another crucial consideration to make is acoustic transparency versus noise attenuation capacity differences among the windscreen types.

While fur windguards or blimps reduce maximum noise levels significantly, this decrease comes at a cost as they alter the sound’s tone and texture.

Using poor quality options may remove too much high frequency response in recordings causing often sounding dullness overall while capturing environmental notes.

Foam sleeves provide little-to-none frequency alteration on sound even when recording outdoors under unfavorable weather conditions.

And unlike other marketed shield types, foam options are clear to most minimal modifications on lower noises allowing clean recordings without compromising sound quality; it sounds precisely as it was captured at the moment.

Let’s take a closer look at maintenance tips in extending your foam windscreens’ lifespan and maximising their efficiency.

Cleaning and Replacing Windscreens Correctly

Windscreens need regular maintenance and replacement to prevent damage to the mic and retain their effectiveness in reducing wind noise.

Below we outline some tips on how to clean and replace windscreens correctly.

Firstly, it’s crucial to remember that windscreens should be replaced every few years since moisture from the user’s breath can gradually deteriorate the foam material over time.

Though it is hard to provide an exact timeline for when you should replace the foam screen, regularly inspecting your windscreens is necessary.

Secondly, washing your foam windscreen regularly helps improve their lifespan and functionality.

Use warm soapy water (not too hot) with mild soap and gently wash the screen by squeezing the foam instead of rubbing it which may damage the material fibers.

Rinse thoroughly then air dry naturally before fitting it back onto the microphone.

Some people prefer alternative cleaning methods like mic-sanitizing wipes or using compressed air cans, but these alternatives might introduce unwanted chemicals or debris into your microphones’ diaphragms if not used correctly.

One way to think about maintaining windscreens is comparable to preserving a camera lens.

Any dirt or damages will affect its ability to function correctly, require more cleaning and or replacement, resulting in spending unnecessarily.

By following these basic care and maintenance tips, you can ensure your foam windscreen remains effective at reducing wind noise, ultimately delivering cleaner and clearer audio recordings.


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Purpose of foam windscreens on microphones.

Why Do Microphones Have Foam Windscreens? {2023}
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