Audio Codecs
Download free Audio & Speech codecs, DirectShow filters & plugins for Windows.
106 programs 4 updated in the last 7 days
Realtek AC97 ALC650 Audio Codecs 4.06
9 Sep 2009
Freeware 17.8MB
Discontinued
Realtek AC97 ALC650 Audio Codecs delivers legacy audio driver support for older motherboards, providing 6-channel surround sound and S/PDIF digital output.
1.959.865
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Realtek Audio Codecs 6.0.10036.1
6 Oct 2026
Freeware 90MB
Fresh
Realtek HD Audio Codecs is the onboard sound driver package for Windows, covering the Realtek chipsets in most desktops and laptops from XP to Windows 11.
3.649.382
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RK Audio compressor 1.07
1 Jan 2004
Freeware 42KB
Discontinued
RK Audio compressor is a discontinued lossless audio codec for Windows, kept here for decoding old RKAU archives.
15.541
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Sanear Audio Renderer 0.3
8 Oct 2023
Open Source (LGPL) 11MB
Not updated
Sanear Audio Renderer is an open-source DirectShow audio renderer with WASAPI support and more.
Sharp G.726 Audio Codec 1.1.0.1
23 Feb 2005
Freeware 586KB
Discontinued
Sharp G.726 Audio Codec is the 2005 decoder Windows asks for on format tag 45, the silent-audio error in old IP camera and VoIP clips.
1.645.979
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Shorten 3.6.1
24 May 2007
Freeware 106KB
Not updated
Shorten provides lossless compression for WAV audio files and it allows you to handle waveforms using a Command Prompt window.
Sony ATRAC3 Audio Codec 0.98
15 Aug 2004
Freeware 155KB
Not updated
Sony ATRAC3 Audio Codec is a compression tool developed by Sony for its portable audio players.
433.504
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Spdifer 0.3b
13 Jun 2009
Freeware 534KB
Not updated
Spdifer is a DirectShow filter enabling media players to passthrough multi-channel sound to the digital output without any change.
Speex 1.2.1
12 Jan 2025
Open Source (BSD) 110KB
Speex is an audio compression standard designed for speech. This format is patent-free and open source and everyone is encouraged to use it.
Speex Voice ACM Codec 1.0.1.1
1 Jan 2007
Freeware 208KB
Discontinued
The Speex Voice ACM Codec enables you to use Speex voice compression codec in WAVE and AVI files on any 32-bit Windows version.
45.707
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Tara's Real Audio Input Plugin 1.0.3b (for Winamp)
6 Sep 2004
Freeware 59KB
Not updated
This add-on enables Winamp to play real audio, real video, real jukebox, live RTSP/PNM streams and many other formats.
140.834
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TFM Audio Filter 1.0 beta 8
11 Aug 2004
Freeware 310KB
Discontinued
TFM Audio Filter is a discontinued DirectShow audio filter that compresses the dynamic range of movie soundtracks during playback.
THOMSON mp3PRO Decoder Plugin 1.3 for Winamp
26 Aug 2006
Freeware 155KB
Discontinued
THOMSON mp3PRO Decoder Plugin for Winamp enables you to play mp3PRO-encoded digital audio to Nullsoft Winamp 2 and 5.
True Audio DirectShow Codecs Suite 1.0
22 Aug 2004
Freeware 116KB
Not updated
True Audio DirectShow Codecs Suite enables 3rd party applications to work with True Audio data streams.
54.178
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ttaR 1.1.7 / TTA 3.4.1
29 Sep 2024
Open Source (GPL) 220KB
Not updated
The True Audio (TTA) codec is a free and fast tool for compressing audio files without losing any sound quality.
VAC3ACM 0.3a
15 Aug 2006
Freeware 243KB
Discontinued
VAC3ACM makes it possible for your favorite VfW application to play AVI files containing AC3 and DTS audio tracks.
44.974
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ValerEQ 2.1
22 Jan 2008
Freeware 4.94MB
Not updated
ValerEQ is a professional equalizer compatible with DirectShow and providing its users with five ranges of fully parametric audio signal equalization.
VIA HD Audio Codec 10.1200A
1 Apr 2014
Freeware 63.3MB
Not updated
VIA HD Audio Codec is a free audio driver which was designed to meet the demands of a new generation of PCs being used for complex communication and entertainment tasks.
176.930
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VIA Vinyl Audio Codec 7.00b
11 Sep 2007
Freeware 6.95MB
Not updated
VIA Vinyl Audio Codec is an audio driver designed for VIA chipset motherboards with integrated sound. It is also known as VIA AC'97 Audio Combo Driver.
261.190
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VoxWare MetaSound Audio CoDec 1.6.0.17
28 Jul 2004
Freeware 641KB
Discontinued
VoxWare MetaSound Audio Codec is a discontinued ACM voice codec from the early 2000s that decodes ultra-low-bitrate speech audio identified by Audio Codec Tag 75 in legacy multimedia files.
3.172.001
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WavPack 5.9.0
18 Jan 2026
Open Source (BSD) 435KB
WavPack is a powerful compression format that helps you obtain lossless or high quality lossy audio files using a singular hybrid compression method.
WavPack DirectShow Filter Decoder 1.0.2.442
2 Mar 2025
Freeware 120KB
WavPack DirectShow Filter Decoder is a tool derived from the CoreWavPack filters collection and its purpose is offering support for the WavPack files.
Web Media Extensions 2.1.51.0
11 Sep 2026
Freeware 5.6MB
Microsoft's free add-on that lets the Windows 11 and 10 Media Player app open OGG files with Vorbis audio and Theora video.
45.834
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Winamp MPC Plugin 1.0 beta
30 Jan 2013
Freeware 236KB
Not updated
Winamp MPC Plugin is a small-sized application which makes it possible to play MPC, MPP or MP+ files using Winamp. This plugin is also known as Nullsoft Musepack Decoder.
605.954
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Winamp Plugin Fraunhofer IIS MP3 Surround 2.1.1
14 Jul 2007
Freeware 948KB
Discontinued
Winamp Plugin Fraunhofer IIS MP3 Surround allows you to play MP3 Surround files and streams in Winamp.
35.394
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