What is MP3


What is MP3 – Files with the mp3 format are one of the most commonly used distributed audio files today. MP3 files are created by the Moving Pictures Experts Group (MPEG) and are abbreviated as MPEG-1 or MPEG-2.

An MP3 file is an audio file that uses a compression algorithm to reduce the overall file size. This is known as a “lossy” format because the compression is irreversible and some of the original source data is lost during compression. However, it is still possible to have high-quality MP3 music files. Compression is a common technique for all file types, be it audio, video, or images to reduce the amount of storage used. While a 3-minute lossless file, such as a Waveform Audio (WAV) file, can be around 30 MB in size, the same file as a compressed MP3 will only be around 3 MB in size. That’s 90% compression that maintains close to CD quality!

What is MP3

MP3 Format
MP3 Format

All that compression doesn’t come without a few drawbacks. When you get some much-needed hard drive space, you lose some sound quality when converting from a lossless file format.

One of the main problems comes in the form of bit rate—basically the amount of actual audio information that is generated every second. The bit rate is measured in kbps (kilobits per second), and the higher the bit rate, the better the sound quality you will hear. MP3 compression removes those parts of an audio file that the human ear can hardly hear—the highs and lows. For the average music listener, the drop in quality is generally not very noticeable.

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