FLAC

FLAC stands for Free Lossless Audio Codec, an audio format similar to MP3, but lossless, meaning that audio is compressed in FLAC without any loss in quality.

Free Open Source Mac OS X Windows Linux Android BSD

LAME

LAME is a high quality MPEG Audio Layer III (MP3) encoder licensed under the LGPL. It is considered the best MP3 encoder at mid-high bitrates and at VBR.

Free Open Source Mac OS X Windows Linux BSD

Vorbis

Ogg Vorbis is a fully open, general-purpose compressed audio format for mid to high quality (8kHz-48.0kHz, 16+ bit, polyphonic) audio and music at fixed and variable bitrates from 16 to 128 kbps/channel.

Free Open Source Mac OS X Windows Linux

CCCP: Combined Community Codec Pack

The CCCP was created to replace the video playback packs provided in favor of a single reliable pack capable of decoding practically anything.

Free Windows

Opus Interactive Audio Codec

Opus is a totally open, royalty-free, highly versatile audio codec. Opus is unmatched for interactive speech and music transmission over the Internet, but also intended for storage and streaming applications.

Free Open Source Mac OS X Windows Linux

Apple Lossless

Apple Lossless (also known as ALAC) is an audio codec developed by Apple Inc. for lossless data compression of digital music. Apple Lossless data is stored within an MP4 container with the filename extension .

Free Open Source Mac OS X Windows

LAVfilters

LAV Filters are a set of open-source DirectShow filters, aimed to eventually replace the better part of the playback chain required to play all and any modern media.

Free Open Source Windows

WavPack

WavPack is a completely open audio compression format providing lossless, high-quality lossy, and a unique hybrid compression mode.

Free Open Source Mac OS X Windows Linux

Xvid

Xvid is an open-source research project focusing on video compression and is a collaborative development effort. All code is released under the terms of the GNU GPL license.

Free Open Source Windows Linux

Nero AAC Codec

Nero AAC reference quality MPEG-4 and 3GPP audio codec - Compression ratios ranging from Ultra High (58 CDs fit on one!) to High-End Audio (2.

Free Personal Windows Linux

TAK

»TAK – [T]om’s lossless [a]udio [k]ompressor / [T]oms verlustfreier [A]udio[k]ompressor – is, as the name already suggests, a lossless audio compressor, similar to...

Free Windows Winamp foobar2000

Satsuki Decoder Pack

Satsuki Decoder Pack is an audio/video auto-installable filters and decoder for windows 2k/XP/2k3/2k8/vista/seven/8 (French, English). The purpose of this pack is to...

Free Windows