It is primarily a developer and provider of audio enhancement technologies for entertainment and communications devices and software.

The company is best known as a pioneer of 3D audio effects, beginning with speaker-targeted positional 3D technology applied to arcade video games and professional music and film soundtrack production.

Jimmy Iovine served as SVP of Music and Shelly Yakus as VP of Audio Engineering in its formative years.

[2] The flagship technology first known simply as "QSound" saw its initial commercial application in the early 1990s, notably in Capcom arcade games and on many music releases by prominent artists.

The effects suite and synthesizer are licensed in the form of software libraries to mobile phone manufacturers and providers of related technology (e.g. DSP's and DSP operating systems), in order to provide polyphonic ringtone rendering and enhanced music or mobile TV playback on hand-held devices.