When preparing a space for audio recording or creating a vocal booth, people often wonder what the best type of blanket to use for sound absorption. A first guess is to use moving blankets — they are easy to find and fairly inexpensive, right? But, what is the difference between a moving blanket and a sound blanket or acoustic blanket. Aren’t they both manufactured the same way and all pretty much the same? The answer is no.
The Difference Between Moving Blankets and Sound Blankets
Moving blankets and sound blankets are not the same. For instance, the Producer’s Choice line of sound blankets and acoustic blankets, measures at 80% noise absorption and has an NRC Rating of 0.8. NRC ratings fall between 0 (perfectly reflective) and 1 (perfectly absorptive.) So basically, the higher the NRC rating, the more sound a product can absorb. Most moving blankets are not even tested since they are designed for moving not sound absorption.
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