What are signal-to-noise ratio improves?

Signal-to-noise ratio improves means we can hear or see things more clearly because there’s less background mess getting in the way.

Imagine you're trying to listen to your favorite song on a walkie-talkie, but someone is shouting right next to you. It's hard to hear the song, that's like having low signal-to-noise ratio. Now imagine that person stops talking, and all you can hear is your favorite song. That’s high signal-to-noise ratio, and it feels much better!

• The signal is the thing we want to hear or see, like your favorite song.
• The noise is everything else that gets in the way, like someone shouting.

When there’s more signal and less noise, it's easier for us to understand what's going on. It's like when you're trying to read a book in a quiet room versus trying to read it at a noisy party.

So, when we say signal-to-noise ratio improves, it means the thing we want is getting louder or clearer, and the mess around it is getting quieter or less distracting, just like your favorite song coming through clearly on your walkie-talkie!