.ADX File Extension

2 file types use the .adx file extension.
File Type 1

Approach Index File

Developer N/A
4.1  |  14 Votes
Category Data Files
Format N/A

What is an ADX file?

Stores the indexing information for a Lotus Approach relational database

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Programs that open ADX files

IBM Lotus Approach (part of Lotus SmartSuite)
Updated 2006
File Type 2

ADX Audio File

Developer CRI Middleware
3.2  |  5 Votes
Category Audio Files
Format N/A

What is an ADX file?

An ADX file is an audio file used by various Sega Dreamcast, PlayStation 2, GameCube, and Wii video games. It is saved in the lossy ADX storage and compression format. ADX files are commonly used for background sounds because of their ability to loop.

More Information

The ADX format can be found as an audio stream interleaved into .SFD Sofdec videos. Many of the Sonic the Hedgehog games, including the Sonic Mega Collection video game compilation, use ADX files for voice recordings and sounds. However, not many video games currently developed support the ADX format.

NOTE: The FFmpeg supports ADX files but is limited to decoding 44100 Hz ADX files.

Programs that open or reference ADX files

Updated November 5, 2018

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