That’s a 90% compression that retains near CD quality!Īll that compression doesn’t come without some drawbacks, though. While a 3-minute lossless file, such as Waveform Audio file (WAV), can be around 30 MB in size, the same file as a compressed MP3 would only be around 3 MB. Compression is a common technique for all types of files, whether it be audio, video, or images to reduce the amount of storage they take up. It’s still possible to have fairly high quality MP3 music files, though. It’s known as a “lossy” format because that compression is irreversible and some of the source’s original data is lost during the compression. A MP3 file is an audio file that uses a compression algorithm to reduce the overall file size.
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