Multiscale decomposition is like taking a big picture and breaking it down into lots of little pictures, or zooming in really close to see all the details.
Imagine you have a big photograph of a forest. If you zoom out from the picture, you can see the whole forest and how all the trees, plants, and animals fit together. But if you zoom in really close, you can start to see individual leaves, bugs crawling on the ground, and small details that you couldn't see before.
Multiscale decomposition works the same way. Scientists use special tools and algorithms to break down complex things like sounds, images, or data into lots of smaller parts. By doing this, they can look at the big picture and the tiny details all at once.
This process helps scientists find patterns or trends that might not be visible at first glance. For example, if you had a recording of someone speaking, you could use multiscale decomposition to break the recording down into smaller pieces. Then, you could analyze each piece to see how the person's voice changes over time or how different words are pronounced.
Overall, multiscale decomposition is a really useful tool for understanding complex things in a more detailed way. It's like having a magnifying glass for your data!