Audio Codecs
Download free Audio & Speech codecs, DirectShow filters & plugins for Windows.
106 programs 4 updated in the last 7 days
Monkey's Audio 13.45
30 Oct 2026
Open Source (BSD) 2.82MB
Fresh
Monkey's Audio is the free lossless audio compressor behind the APE format, often a little smaller than FLAC, for Windows.
536.107
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Moonlight Odio Dekoda 1.5
29 Aug 2004
Freeware 93.9KB
Discontinued
Moonlight Odio Dekoda is a DirectShow filter which helps you decode MPEG-1/2/2.5 Layer I, II and III (or MP3) and LPCM audio streams.
144.339
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Morgan Stream Switcher 0.99
14 May 2004
Freeware 103KB
Discontinued
Morgan Stream Switcher enables you to switch on the go between the various audio streams found in AVI files.
103.016
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MP4 Input Plugin (for Winamp2/5) 2.1 beta
29 Sep 2004
Freeware 226KB
Not updated
This plugin decodes .MP4 and .M4A files as well as AAC, PS AAC and the newer HE ACC profile.
548.249
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MPC Audio Decoder 1.9.1.39
31 Aug 2026
Freeware 9.5MB
MPC Audio Decoder is the single DirectShow filter that covers most of the audio formats a Windows media player will ever be handed.
MPC Audio Renderer 1.9.1.43
6 Sep 2026
Freeware 1.4MB
MPC Audio Renderer is a DirectShow audio renderer that gives Windows media players bit-perfect output over WASAPI.
8.528
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MPC Audio Splitter 1.9.1.43
6 Sep 2026
Freeware 778KB
MPC Audio Splitter is a DirectShow splitter that lets Windows players open lossless audio containers such as FLAC, APE, TTA and WavPack.
MPC AudioSwitcher 1.9.1.48
6 Sep 2026
Freeware 1.3MB
MPC AudioSwitcher is a DirectShow filter that lets Windows players switch between the audio tracks inside a video file.
MPEG-4 ALS Decoder plugin 1.00 for Winamp
5 Jun 2007
Freeware 27KB
Discontinued
The MPEG-4 ALS Decoder plugin for Winamp enables users to play files with the ALS extension.
Musepack SV8
1 May 2009
Freeware 682KB
Not updated
Musepack is an audio compression format with a strong emphasis on high quality.
57.520
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Nero AAC Codec 1.5.4
10 Aug 2014
Freeware 2MB
Not updated
Nero AAC Codec helps you convert audio files to the MP4 file format using a command line interface. If you prefer a graphical user interface, install LameXP on your computer.
Nero MPEG-4 Filter 0.0.3
22 Sep 2004
Freeware 6KB
Discontinued
Nero MPEG-4 filter is a tool for AAC encoding and decoding in CoolEdit and Adobe Audition using the Nero AAC plugin.
166.168
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Nero WMA Plugin 2.0.9.37
9 Dec 2005
Freeware 3.6MB
Discontinued
Nero WMA Plugin adds WMA decoding support within the various versions of Nero (Nero, Nero Express, NeroMIX).
135.818
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Ogg Splitter 1.9.1.75
16 Sep 2026
Freeware 705KB
A small DirectShow filter that unpacks Ogg and OGM files so any Windows player can reach the audio and video inside.
Ogg Vorbis 1.4.3
1 Nov 2026
Open Source (BSD) 1.4MB
Fresh
Ogg Vorbis is a free, patent-free audio codec, and this page hosts its oggenc and oggdec tools for Windows.
308.070
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Ogg Vorbis ACM Codec 0.0.3.6
1 Jan 2004
Freeware 124KB
Not updated
Ogg Vorbis ACM Codec allows you to work with the Ogg Vorbis format. This codec was one of the first released, after the Ogg format appeared.
1.194.522
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OptimFROG 5.100
13 Jan 2025
Freeware 736KB
OptimFROG helps you reduce the memory space occupied by your music collection and also to restore the original files, using a method similar to ZIP compression.
Opus Audio Codec 1.6.1-95
1 Nov 2026
Open Source (BSD) 4.26MB
Fresh
Opus is the free, open audio codec behind Discord and WebRTC voice, and this Windows package carries its opusenc encoder, opusdec decoder and opusinfo tool.
217.146
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Orban AAC/aacPlus Player Plugin 1.1.52
26 Nov 2011
Freeware 709KB
Discontinued
Orban AAC/aacPlus Player Plugin was designed for Windows Media Player so you can play the following audio files and streams: AAC, aacPlus, HE-AACv1, HE-AACv2 and eAAC+.
310.327
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PSSADPCM Directshow Filter 0.61
27 May 2005
Freeware 17KB
Discontinued
PSSADPCM Directshow Filter enables its users to decode PSS ADPCM which is multiplexed into AVI and WAV files.
RadLight APE DirectShow Filter 1.0.0.4
17 May 2005
Freeware 126KB
Discontinued
RadLight APE DirectShow Filter will allow you to play Monkey's Audio (APE) encoded files in any DirectShow based player.
103.167
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RadLight MPC DirectShow Filter 1.0.0.4
8 Jan 2005
Freeware 76KB
Discontinued
RadLight MPC DirectShow Filter is allowing you to play MPC (MusePack) encoded files in any DirectShow based player, such as Winamp, Windows Media Player or MPC–HC.
82.335
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RadLight Ogg Media DirectShow filter 1.0.0.2
14 Feb 2005
Freeware 404KB
Discontinued
With the RadLight Ogg Media DirectShow filter, playing Ogg and OGM files in DirectShow based media players becomes simple and easy.
RadLight OptimFrog DirectShow decoder filter 1.0.0.1
14 Aug 2004
Freeware 126KB
Not updated
RadLight OptimFrog DirectShow decoder filter is a useful tool which allows you to play OFR files in RadLight and other DirectShow-based media player.
RadLight TTA DirectShow filter 1.0
18 Jul 2004
Freeware 249KB
Discontinued
RadLight TTA DirectShow filter allows you to play TTA files in RadLight and in any other DirectShow-based media player.