Lossy and lossless files can be applied to both image and sound files and relates to whether a file is compressed or not.
Compression is used to make files smaller, meaning faster uploads/downloads and less storage space.
DSLR cameras gives you the option of saving your photos as RAW or JPEG format. To use as an example, I took a photo of a beach scene. The RAW format (uncompressed), was 32MB. The JPEG format (compressed), was 5.5MB.
If you are uploading your files to social media or your website, you would use the compressed JPEG files.
RAW is a lossless format because it retains all the file’s original data. JPEG is a lossy format because it discards duplicated data.
Image formats that are lossless include RAW, BMP and PNG, while JPEG is a lossy format.
Audio formats that are lossless is WAV, while MP3 and MP4 are lossy.
Lossless video formats are very rare for normal consumer use, as the files would be unacceptably large.
Formats such as H.264 and H.265 are lossy, but can provide smaller files, while still offering high quality video.

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HOW TO CLEAN AND CARE FOR YOUR VINYL RECORDS
The crackling noise and pops you hear when playing your vinyl records is the result of dust in the grooves and quite often the grease our fingers leaves on the record. Playing records without cleaning them first can lead to damage of the stylus and the record. There are numerous tips and tricks on cleaning your records, yet none of them are perfect. However, a clean record will sound better and prolong the life of both record and stylus.
HANDLING AND STORING RECORDS.
The first recommendation for handling records is never put your fingers on the grooves. The oil from your skin can damage the vinyl. Always handle the record by the edge. When removing the record from the cover, slide it out slightly placing your thumb on the edge. Carefully slide the record out until you can place your middle finger on the label area. Always use two hands when placing the record on the turntable and when taking it off.
Records should be stored on their edges. Never lay them flat on top of each other.
CLEANING VINYL RECORDS
There are two methods of cleaning your records. They are 1. Dry clean and 2. Wet clean.
DRY CLEAN. This is the easiest way to clean records. This involves using an anti-static carbon fibre dust brush specifically designed for cleaning dust from records. Using the brush before and after playing records will help prevent the build up of dust. With a light touch, hold the brush on the record surface and after two or three rotations of the record, angle the brush to the edge of the record.
WET CLEAN. There are several wet cleaning kits on the market that do the job well. These kits usually consist of an anti-static brush for removing dust, a cleaning solution and microfiber lint free cloth.
This is my DYI method that I have been using for years with very good results at removing oily fingerprints and grime. You will need a spray bottle, distilled water, 90-99% Isopropyl Alcohol, Dishwashing Liquid and lint free microfiber cloth.
Using the spray bottle, mix one part of Isopropyl Alcohol with three parts water. Add one or two drops of dishwasher liquid and shake. Spray the solution on the record surface, taking care not to spray the label area. Wait a few seconds, then with the cloth, gently wipe the record in a circular motion a few times. If you feel the need, wet another lint free cloth with distilled water to rinse the record.

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