What it Is

An MP3 encoder is software that uses an MP3 Codec (compression/decompression algorithm) to make MP3 files. Most encoders convert WAV to MP3 although many can convert other formats such as WMA, Real Audio, Ogg, and more.

There are very few unique encoders. Most software out there uses only about 4 main encoding engines due largely in part by the patents held by Fraunhofer-Gesellschaft and other companies that helped produce the ISO source that MP3 is based on. Although no one company owns exclusive rights, MP3 software developers must pay a licensing fee to use any of the patented mp3 encoders which is very expensive. The major encoding engines are LAME (non-ISO source), BladeEnc, Fraunhofer Encoders, and Xing from Real Networks.

How do MP3 encoders work?

MP3 encoders encompass the core technology behind MPEG-Layer 3. The programs work by applying a series of algorithms or rules that compress audio. Encoders intelligently detect audio data that is too high or low for the human ear to hear and gets rid of it. They also detect sounds that occur simultaneously and try to get rid of any sounds that are "masked" or made inaudable by other sounds.

Where do I get an MP3 encoder?

Many MP3 programs include an mp3 encoder. Check our MP3 WAV Converter page for lots of options. You can download and try all the programs listed for free.

What is the best MP3 encoder?

For speed, Xing is the fastest encoder but the quality is the worst out of all of them. For smaller file sizes, Fraunhofer's FastEnc gives excellent quality. LAME is a very good all around encoder and keeps getting faster with each release. BladeEnc is the best in quality for large file sizes but is very slow.

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