Crystal River Engineering Inc. was an American technology company best known for their pioneering work in HRTF based real-time binaural, or 3D sound processing hardware and software. The company was founded in 1989 by Scott Foster after he received a contract from NASA to create the audio component of VIEW (Virtual Environment Workstation Project), a Virtual Reality based training simulator for astronauts. Crystal River Engineering was acquired by Aureal Semiconductor in 1996.
AUREAL公司于96年成立,一直致力于数码三维音效技术的开发研制工作。由于引入了CRE(Crystal River Engineering),使之成为三维音效技术之主要命脉。CRE公司有超过十年跟美国太空总署(NASA)共同研究HRTF(Head Related Transfer Function)的经验。