When is lossless compression used

Thank you. I totally loved it. The level was right for me because I was able to apply concepts learned at a beginner level using a new library, in this case for images. Very good indeed, because it allows me to continue motivated and to learn more. It answered many questions I had about how an electric current is converted into a certain image or sound, and much more! I humbly encourage you to take this beautiful ray of knowledge and have fun.

Category: FutureLearn Local. Category: FutureLearn Local , Learning. We offer a diverse selection of courses from leading universities and cultural institutions from around the world. These are delivered one step at a time, and are accessible on mobile, tablet and desktop, so you can fit learning around your life.

You can unlock new opportunities with unlimited access to hundreds of online short courses for a year by subscribing to our Unlimited package. Build your knowledge with top universities and organisations. Learn more about how FutureLearn is transforming access to education. Learn more about this course. Lossless compression How can we make a file take up less space without losing any information? Lossless compression techniques, as their name implies, involve no loss of information.

Lossless compression is generally used for so-called "discrete" data, such as database records, spreadsheets, word-processing files, and even some kinds of image and video information. Again when it comes to lossy vs lossless, there is no right or wrong choice. It comes down to what works best for your website and visitors. For example, if you run a photography website, lossless along with the WebP format might be a better way to go as you need your images to be crystal clear and still be reduced in file size.

Or you could go the lossy route and use a smaller compression ratio. We are always exploring different ways to improve content delivery performance and speed. Using Google's WebP image format, and serving them to supported browsers, can be a clever way to instantly see faster download speeds.

Not to mention, they will…. Using Google's WebP image format can be a great way to speed up your website by decreasing the size of your number one asset, your images. In today's post we decided to run a little comparison, on a larger scale, of the final compression sizes when….

Support Find answers, guides, and tutorials to supercharge your content delivery. These attributes include:. An explanation of lossy and lossless compression. Compression can be lossy or lossless. Lossless compression means that as the file size is compressed, the picture quality remains the same - it does not get worse.