Some of these lossless formats also provide compression. H.264 and H.265 can provide smaller files with higher qualities than previous generations of video codecs because it has a "smarter" algorithm that's better at choosing the data to throw out. Common formats like H.264 and H.265 are all lossy. Video: Few lossless video formats are in common consumer use, as they would result in video files taking up a huge amount of space.FLAC is a lossless audio format, while MP3 is a lossy audio format. Audio: WAV is a container file often used to contain lossless audio, although it is also capable of containing lossy audio.Images: RAW, BMP, and PNG are all lossless image formats.However, these aren't the only formats that are lossy and lossless. We call RAW a "lossless" format because it preserves all of the file's original data, while we call JPEG a "lossy" format because some data is lost when we convert an image to JPEG. RAW formats may be used by professional photographers to keep image quality high during the editing process, but they're not intended for the average person. A photo gallery with RAW images could take up hundreds of megabytes of space. If we're just uploading these files to a social network or placing them on a website, we don't want these image files to take up so much space. (This depends on the resolution of the image-a camera with more megapixels will produce a larger image.) If you save the image in RAW format, which keeps all the light data the camera's sensor received, the image may be as large as 25 MB. For example, when you take a photo, your camera captures all the light it can get and puts together an image. We use compression to make files smaller, allowing them to download faster and take up less storage space. Some types of media file formats are "lossy" and some types are " lossless." We'll explain what these terms mean, the advantages of each type of file format, and why you should never convert lossy formats to lossless ones.
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