- - Sound system name
- - Audio engineer Ray
- - Big name in audio tech
- - Audio-tech IPO of 2005
- - Audio lab name
- - Audio giant
- - company known for its surround sound technology
- - Surround sound pioneer
- - eponymous engineer ray
- - 'She Blinded Me With Science' singer Thomas
- - System to reduce background noise
- - Sound pioneer Ray
- - Company known for surround-sound technology
- - ray ..., us inventor of a noise reduction system who died in 2013
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