DMX, Inc., formerly Audio Environments, Inc., and later AEI Music Network, Inc.,[1]: 19  is a "multi-sensory" branding agency based in Austin, Texas.

[2][3] DMX also provides music for cable and satellite television networks worldwide, including DSTV in Africa.

In the 1980s, the company began providing services to international airlines, dental offices and residential and cable television systems.

In 1990 International Cablecasting Technologies Inc. launched the service called CD/18, a reference to "the equivalent of 18 CD-players", which offered digital music through the coaxial cable.

AEI had large national customers into international markets, while DMX had dealt with smaller businesses.

[12] In 2007, DMX applied to merge with a Fort Mill, South Carolina, competitor, Muzak Holdings LLC, with the resultant combined entity sold to a third-party buyer.