Environmental audio extensions
Overview
Digital signal processing
Digital signal processing is concerned with the representation of discrete time signals by a sequence of numbers or symbols and the processing of these signals. Digital signal processing and analog signal processing are subfields of signal processing...
presets for audio, present in Creative Technology
Creative Technology
Creative Technology Ltd. is a Singapore-based global company headquartered in Jurong East, Singapore. The principal activities of the company and its subsidiaries consist of the design, manufacture and distribution of digitized sound and video boards, computers and related multimedia, and personal...
's later Sound Blaster
Sound Blaster
The Sound Blaster family of sound cards was the de facto standard for consumer audio on the IBM PC compatible system platform, until the widespread transition to Microsoft Windows 95, which standardized the programming interface at application level , and the evolution in PC design led to onboard...
sound card
Sound card
A sound card is an internal computer expansion card that facilitates the input and output of audio signals to and from a computer under control of computer programs. The term sound card is also applied to external audio interfaces that use software to generate sound, as opposed to using hardware...
s and the Creative NOMAD
Creative NOMAD
The NOMAD was a range of digital audio players designed and sold by Creative Technology, and later discontinued in 2004. Subsequent players now fall exclusively under the MuVo and ZEN brands.The NOMAD series consisted of two distinct brands:...
/Creative ZEN
Creative Zen
The Creative ZEN is a range of digital audio players and portable media players made by Creative Technology. The players evolved from the now-defunct NOMAD brand through the NOMAD Jukebox series...
product lines. EAX displaced the alternative A3D
A3D
A3D was a technology developed by Aureal Semiconductor for use in their Vortex line of PC sound chips to deliver three-dimensional sound through headphones, two or even four speakers. The technology used head-related transfer functions , which the human ear interprets as spatial cues indicating...
(Aureal
Aureal Semiconductor
Aureal Semiconductor Inc. was an American electronics manufacturer, best known throughout the mid-late 1990s for their PC sound card technologies including A3D and the Vortex The company was the reincarnation of the, at the time, bankrupt Media Vision Technology...
3-Dimensional) in 2001.
The aim of EAX is to create more ambience within computer and video games by more accurately simulating a real-world audio environment. Up to EAX 2.0, the technology was based around the effects engine aboard the EMU10K1 on Creative Technology
Creative Technology
Creative Technology Ltd. is a Singapore-based global company headquartered in Jurong East, Singapore. The principal activities of the company and its subsidiaries consist of the design, manufacture and distribution of digitized sound and video boards, computers and related multimedia, and personal...
's and the Maestro2 on ESS1968 chipsets driven Sound Card
Sound card
A sound card is an internal computer expansion card that facilitates the input and output of audio signals to and from a computer under control of computer programs. The term sound card is also applied to external audio interfaces that use software to generate sound, as opposed to using hardware...
s.
