Audio Decoder For Mac

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LAV Audio is a multi-format audio decoder for DirectShow. It is based on ffmpeg and its main goal is to offer audio quality without compromise. This means that no shortcuts have been used, no corners cut, everything is setup for the best quality possible.

Supported Formats

Officially, following formats are supported:

AAC, AC3, E-AC3, DTS, MP1/2/3, TrueHD, FLAC, Vorbis, LPCM/QT PCM, WavPack, TrueAudio, Windows Media Audio 1/2

Inofficially, LAV Audio can decoder every audio format that ffmpeg supports.
To leverage this functionality out of LAV Audio, you simply need to run it alongside LAV Splitter, and every format supported by ffmpeg will be decoded (which are around 99% of all files available today).


LAV Audio supports Bitstreaming of Audio to a AV-Receiver through either HDMI or S/PDIF. Bitstreaming means that the Audio is not decoded in your PC, instead its transmitted untouched to your receiver, which then takes care of the decoding.

S/PDIF supports AC3 and DTS bitstreaming.
HDMI supports AC3, E-AC3, TrueHD, DTS and DTS-HD.

Note that bitstreaming is only properly supported on Windows 7.

DTS-HD and the ArcSoft DTS Decoder

If you’re lucky enough to own a copy of ArcSoft’s TotalMedia Theater, there is some good news for you. In combination with the DTS decoder from TMT, LAV Audio is capable of full high quality DTS-HD decoding.


DTS-HD is the most common audio format to be found on Blu-rays, and before LAV Audio, it was quite a chore to get full decoding of this format – not anymore.

With LAV Audio, decoding DTS-HD is as simple as decoding any other audio format. You just need to get the “dtsdecoderdll.dll” from your “Codecs” directory inside the TMT installation, and drop it inside the directory you installed LAV Audio to. Thats all!


You can find the most recent version of LAV Audio as well as the most recent ChangeLog on the Downloads page.

Audio Decoder For Mac Osx


Following resources are regularly monitored by me, and can be used to provide feedback, report bugs, or request features:

Audio Decoder For Mac Download

  • Issue Tracker (Bugs & Feature Requests)
  • Doom9 Forum (Feedback & Discussion)