My name is Alex Genadinik. I've been in Elearning since 2014 and have over 500,000 students. Here is my Udemy teaching profile.
In this article, we'll cover:
1) What is acoustic foam.
2) Other options if you don't want to use acoustic foam.
Ps - none of the links are affiliate links and I don't profit from recommending any products.
I am also available for Elearning coaching to help you plan, create, and promote your course.
Acoustic foam is foam that helps you get rid of echo in your recording. When you record your online courses, the sound waves bounce off the walls and if they keep bouncing, they will cause your audio to have an echo-like effect, which will decrease your audio quality and with that the quality of your courses.
If a sound wave hits foam, it won't bounce off it. This way the foam helps you decrease the echo in your audio. Foam is relatively cheap and you can attach it to the walls of your recording studio.
The main problem with foam is that it's ugly and takes a lot of space on your walls. If you created courses at home like many instructors do, the people you live with are unlikely to want it on their walls.
A workaround is to buy an area rug for the floor. The rug will also help to get rid of the echo and some people might aesthetically prefer it to acoustic foam.
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Even before you buy acoustic foam, you must choose the right type of microphone for your needs. There are many types of microphones ranging to lapel mics, condenser mics, and dynamic mics. Each is used in different situations and it's quite daunting for new online instructors to figure out which one is best for them. But before you get too many accessories, you have to choose your microphone because many of the accessories depend on the type of microphone you have.
Here is a page detailing all the audio and video equipment you need to create your ideal studio space to create the kind of audio and video that is right for the types of courses you plan to make.
Some of the common audio accessories in addition to acoustic foam are area rugs to dampen the sound waves that fly across the recording space to limit the echo, pop filter, and a microphone mount.
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