Free Audio Codec Pack

X Audio Codec Pack
Restore Full Audio on Windows

11 DirectShow audio filters in one installer. Fixes missing AC3, DTS and Dolby Digital audio on Windows 10 and 11.

Windows 11 24H2 removed the built-in AC-3 decoder - this pack restores it
No spyware, no adware
100% free forever
Windows 7 - 11 (x86 + x64)
Silent install supported (/S)

What's Included

11 open-source DirectShow filters. All optional except LAV Audio.

Supported Audio Formats

LAV Audio decodes virtually every format in use today

AC3 DTS DTS-HD TrueHD Atmos AAC HE-AAC FLAC Opus Vorbis MP3 E-AC3 WMA PCM

What's New in X Audio Codec Pack 1.8

Released 13 November 2026

Version 1.8

  • All 10 MPC-BE audio filters updated to 1.9.2.78
  • LAV Audio stays on 0.83.0
  • Same 11 filters, same component checkboxes and silent /S install
Earlier versions
1.7 2 Nov 2026
  • All 10 MPC-BE audio filters updated to 1.9.2.78
  • LAV Audio stays on 0.83.0 with its FFmpeg 8 core
  • Same 11 filters, same component checkboxes and silent /S install
1.6 18 Sep 2026
  • LAV Audio updated from 0.81 to 0.83 with a newer FFmpeg decoding core
  • Four new filters: MPEG Audio Splitter, Ogg Splitter, Shoutcast Source and AVI to AC3
  • MPC-BE audio filters updated to the 1.9.1 series
1.4 10 May 2026
  • LAV Audio 0.81 with MPC-BE 1.8.9 audio decoder, renderer, switcher, splitter and CDDA reader

Component Versions

FilterVersionProject
LAV Audio Decoder0.83.0LAV Filters
MPC Audio Decoder1.9.2.78MPC-BE
MPC Audio Renderer1.9.2.78MPC-BE
MPC AudioSwitcher1.9.2.78MPC-BE
DTS/AC3/DD+ Source Filter1.9.2.78MPC-BE
MPC Audio Splitter1.9.2.78MPC-BE
CDDA Reader1.9.2.78MPC-BE
MPEG Audio Splitter1.9.2.78MPC-BE
Ogg Splitter1.9.2.78MPC-BE
Shoutcast Source1.9.2.78MPC-BE
AVI to AC3 Filter1.9.2.78MPC-BE

X Audio Codec Pack 1.8

Free installer for Windows 7 through 11. All 11 filters with individual checkboxes - install only what you need. Silent install supported with /S flag for IT deployments.

No spyware
Clean uninstall
Open source components
Version 1.8
~21.6 MB
Download Free

Frequently Asked Questions

Common questions about the audio pack

Version 1.7 updates all 10 MPC-BE audio filters to 1.9.2.78, including the MPC Audio Decoder, MPC Audio Renderer and the Ogg, MPEG and MPC audio splitters. LAV Audio stays on 0.83.0.
Yes. Windows 11 24H2 removed the built-in Dolby Digital (AC-3) decoder, so many videos play with no sound. LAV Audio restores AC3, E-AC3, DTS and TrueHD decoding in Windows Media Player, MPC-HC, MPC-BE and other DirectShow players.
No. Run the new installer over the old one. It detects the installed version, replaces the filters and keeps a single entry in Apps and Features.
Yes. Every filter has its own checkbox in the installer. LAV Audio is required; the other 10 filters are optional.
Yes. A single installer registers both the 32-bit and 64-bit filters on 64-bit Windows, so 32-bit and 64-bit players both get the decoders.
Run X-Audio-Codec-Pack_Setup.exe /S from an elevated command prompt. All default components are installed with no prompts, which suits IT deployments.
Yes. It is free, bundles no adware or toolbars and is built only from open-source LAV Filters and MPC-BE components. It uninstalls cleanly from Apps and Features.