It’s a measure of how much more sound pressure is being generated compared to a reference level. You’re used to thinking of decibels as a measurement of audio. The third letter really explains what you’re measuring You measure what you have, compared to what someone else has. You’re upset because it’s $15,000 a year less than everyone else. So you’re not upset about the money you’re being paid. So let’s say that’s enough to pay your bills and all. Everyone else in your workplace is making $75,000 a year. They measure how much more or less of something you have, compared to something else.ĭecibels are sort of like this. They don’t measure how much of something you have. In order to understand decibels, you need to understand first that they are a relative measurement. That’s true, but it’s also just a small part of the stuff that’s measured in decibels. Most folks associate decibels with sound volume. And here I am, trying again.īefore you understand why signal strengths are negative, you need to understand how decibels work. These inevitably tend to be very unpopular articles which don’t make sense to a lot of people. The confusing magic of decibelsĮvery couple of years I get it into my head that I should try to talk about decibels. It’s all due to the confusing magic of decibels. Even the volume numbers on your home theatre receiver are usually negatives. Satellite signals, over-the-air antennas, cellular signals… always negative numbers. Spend enough time measuring signals and you’ll realize they’re almost always negative numbers. Febru| STREAMING SATURDAY: Picture Quality on streaming.Febru| Why Isn’t My Cell Signal Booster Working Like It Used To?.Febru| How much data does it take to stream video on your boat?.Febru| Should you keep that old PC after you’re done using it?.Febru| Our Brightest Flashlight – 57% OFF.Febru| Can you run a satellite TV signal over Ethernet?.Febru| A VERY basic discussion of grounding.Febru| Moving your DISH receiver from home to RV (or back)? Don’t forget this step.Febru| (EDIT: SERVICE RESTORED) DIRECTV 99 satellite is down for a lot of people right now.Febru| Podcast #567: Your questions… answered.Febru| Can you use the DIRECTV (satellite) app on a Gemini Air?.
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