HomeAudio Production→ Recording Audio for Video Production

Marco Sebastiano Alessi

09 June, 2022

Recording Audio for Video Production


Whether you’re a podcaster, vlogger, or YouTuber, looking and sounding professional in your videos is paramount. At the beginning of their journey, many creatives tend to neglect the audio side and focus on getting the right camera and lights for their videos.

Your Audio Quality Enhances Your Video

As you start building a fanbase and study your competition, you’ll notice how important it is to sound loud and clear in your videos: something you just can’t achieve by using the built-in microphone of your camera or PC.

Luckily, the audio and video production is booming, and the options for creating an ideal recording setup are close to endless. On the other hand, getting the sound just right, based on your environment, voice, and equipment, is no trivial task and generally takes a lot of trial and error.

How to Record and Edit Audio For Video

Today I’ll analyze how you can record and edit audio for video to make it sound professional and clear, regardless of whether you’re editing directly from your video editing software or using a dedicated DAW. I’ll look into the audio gear you’ll need, the ideal environment to record audio professionally, and the tools necessary to bring to life a high-quality, professional-sounding product.

Let’s dive in!

The Studio Room

recording audio for video

When we talk about recording audio for video, there are some “enemies” you’ll need to consider when setting up your studio.

Background noise, echo, PC, and air conditioner noise are all sounds that can easily be captured by your microphone and compromise the quality of your recordings. Although you can definitely use audio editing tools to remove unwanted sounds (like our noise reduction plugins), the best option is to solve the problem at its root and make sure your recording room is adequate.

Here Are a Few Suggestions When Choosing Your Recording Environment:

  1. Make sure you record in a room with as little natural reverb as possible.
  2. Glass doors and windows magnify the echo, so make sure you avoid these kinds of environments.
  3. Rooms with high ceilings tend to have plenty of reverb too.
  4. Add carpets and soft furniture to reduce the echo.
  5. If there’s some background noise you simply can’t remove, choose an adequate noise reduction plugins to get rid of it in post-production.

Remove Noise and Echo

from your videos and podcasts

Recording Outdoors

Recording audio outdoors brings its own set of challenges. Since each environment is unique and far from being optimized for audio recordings, you’ll need to have versatile and “forgiving” recording equipment.

Keeping Your Audio Clear is Essential

I’ll describe the types of microphones you can use for recording audio for video in the next paragraph; however, what’s essential when recording outdoors is ensuring the raw audio is as clear as possible.

It’s recommended to use microphones that can capture the primary audio source while leaving all other audio sources in the background. Generally, cardioid microphones are ideal for these situations, as they focus primarily on what’s ahead of them.

Now, let’s take a look at the audio gear you’ll need to capture great audio.

Microphone

Depending on the type of content you’re recording and the environment you’re in, there are a few available options that can help you achieve high-quality audio recordings.

All options mentioned below can provide professional audio quality, but each one is specifically designed for certain recording environments.

  • Lavalier

    Lavalier microphones are placed on the speaker’s clothing near their chest. They’re small and often omnidirectional, meaning they can capture sounds coming from all directions in equal measure.

    This type of microphone is a great choice when you’re interviewing someone or in a public speaking environment. One downside is they tend to capture rustle noises caused by clothing friction and the speaker’s movement. However, there are some excellent rustle removal tools for that too.

  • Shotgun Mic

    I’d say these are the most common microphones used by YouTubers and vloggers because they’re professional, not particularly expensive, and have a high sensitivity that allows them to capture lower frequencies compared to other mics. Shotgun microphones are commonly used as boom mics because they deliver the best audio quality when recording voices.

    With Shotgun Mics, Consider Your Mic Placement

    A few notes on mic placement. These microphones are more directional compared to standard cardioid or supercardioid microphones, meaning the mic will have to point straight towards you if you want to achieve the best result, especially when you’re recording in a professional studio.

  • Omnidirectional Handheld Microphones

    Similar to the lavalier mics, these microphones can be used in situations when the speaker moves frequently and in public speaking environments. Omnidirectional microphones are much more forgiving compared to shotgun mics, as they can capture sounds coming from all directions.

Other Helpful Audio Equipment

Microphones are important but are not the only piece of equipment you’ll need if you want to sound professional.

If you’re building your own recording studio, you have the opportunity to buy equipment explicitly tailored to the environment you’re filming in.

This is a great advantage as you can define the best recording settings and leave them untouched for the following sessions, making the audio quality of your videos consistent in the long run.

Portable Audio Recorders

Portable audio recorders give you the chance to connect multiple microphones and adjust their settings independently. Furthermore, if you buy an audio recorder with the option to connect it straight to your camera, you won’t have to edit two files in post-production (one video and one audio), as everything will be recorded and exported together.

Portable audio recorders also come with powerful pre-amps that can enhance the recording qualities of your microphones and add clarity to the audio.

What You Need to Look For When Purchasing An Audio Recorder

In order to choose the right portable audio recorder, you’ll need to take into account a few factors. First and foremost, the number of XLR inputs you’ll need when recording audio for video.

If you’re recording audio using more than one mic at a time, then you’ll definitely need an audio recorder with multiple XLR inputs. You can get an affordable and compact audio recorder with four XLR inputs, giving you plenty of options to record great audio.

Make sure you invest in an audio recorder that’ll meet your needs in the long run. Long battery life, efficiently-recorded audio, phantom power, a USB port, and an SD card port are some of the things you need to look for if you want to achieve good audio quality.

Studio Headphones

Checking your audio with professional headphones is fundamental, as they reproduce the sound as it is without enhancing or reducing certain frequencies.

Standard vs. Studio Headphones

The difference between standard and studio headphones is that the former tend to emphasize specific frequencies to make them sound more captivating. Generally, lower frequencies are enhanced because music will sound more vibrant.

However, when you’re improving the audio quality of your recordings, you should listen to the audio file without any sort of enhancements so that you can analyze the entirety of the frequency spectrum and make the necessary adjustments accordingly.

Furthermore, studio headphones will help you during the post-production phase, giving you the clarity and transparency necessary to edit the audio.

Positioning Your Microphone

We already talked about lavalier microphones and how you should place them on your chest. What about the other microphones?

The great thing about shotgun mics is that you can place them just outside the range of the video shot and have them pointed directly toward you. This is the only type of microphone that you can easily place outside the shot and still get professional audio quality.

You’ll need to try different options before finding the perfect position for your microphone, but the best starting point is to place it high in front of you, so it’ll capture your voice directly without obstructing the view.

Different Pickup Patterns Affect Mic Placement

Whether you’re using an omnidirectional, cardioid, supercardioid, or hypercardioid microphone, you’ll need to place it in a position where your voice will be the primary audio source.

If the microphone naturally rejects audio sources coming from anywhere except the front, make sure the microphone points right to your face to optimize the audio recording quality.

Post-production Effects

After you recorded your audio for video, you’ll need to polish it using effects designed to enhance audio quality.

  • EQ

    First things first: use an equalizer to enhance or mitigate certain frequencies and get an overall clearer sound.

    If you listen to your audio without any effects, you might notice that some parts sound muddy or undefined. This is because audio frequencies tend to interact with each other and sometimes can have a negative impact on the audio recordings.

    Equalization Adds Clarity

    The best way to fix this is by analyzing each frequency and choosing which ones to adjust to get a voice as clear as possible. When it comes to EQ settings, there’s no one-size-fits-all: audio recordings are affected by a variety of factors that determine the type of adjustments necessary, namely the type of microphone, the recording environment, and your voice.

    Most likely, you’ll be able to remove the lower frequencies without affecting the overall sound quality. If that’s the case, you should do that to leave more room for additional effects and remove potential interferences with higher frequencies.

    Given the speech frequency band is between 80 Hz and 255 Hz, you should focus your attention on this frequency range and ensure everything within these boundaries sounds loud and clear.

  • Multiband Compressor

    A multiband compressor allows you to segment the frequency spectrum and apply compression to separate sections without affecting others. This is a fantastic tool to enhance specific frequencies that will make your voice sound richer and more enveloping.

    Compression Helps Your Audio Standout

    A multiband compressor is a fantastic tool because it allows targeting specific frequency ranges. For instance, you may want to reduce the sibilance on the higher end of the spectrum without touching the rest of the spectrum. The multiband compressor is the right tool for the task.

    After splitting the frequency spectrum into high, mid, and low sections, you can proceed and compress specific frequencies until the resulting audio is consistent from the lowest to the highest audible frequencies.

  • Limiter

    The final step is to add a limiter to ensure the audio won’t clip regardless of the effects you’ll apply to the audio file.

    Limiters Keep Your Audio Consistent

    This is a crucial effect as you might have original audio without clips, but after adding the EQ and compressor, some frequencies might be too high and compromise the quality of your recording.

    If you adjust the settings of your limiter to an output level of about -2dB, it’ll bring down the highest peaks and make your voice more consistent throughout the recording.

Final Thoughts

I hope this guide helped clarify the most crucial aspect of audio recordings for video.

Recording Correctly Saves You From Headaches Later On

I can’t stress enough the importance of high-quality raw audio material. A professional microphone and the appropriate recording environment not only will give you more professional results but also save you a lot of time and hassles in the long run.

Most likely, you’ll have to make a lot of trial and error before coming up with the perfect recording settings. Many variables are involved, so sticking to a specific setup or audio recording equipment for all situations is definitely not a wise choice.

Good luck, and stay creative!

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