The Environmental Audio Extensions (or EAX) are a number of digital signal processing presets for audio, present in Creative Technology's later Sound Blaster sound cards and the Creative NOMAD/Creative ZEN product lines.
Environmental Audio Extensions (EAX) — технология Creative Labs для создания звуковых эффектов окружающей среды, используемая в звуковых картах Sound Blaster и Creative NOMAD/Creative Zen.