Sound Retrieval System

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Sound Retrieval System (SRS) is a patented psychoacoustic 3D audio processing technology originally invented by Arnold Klayman in the early 1980s.^{[citation needed]} The SRS technology applies head-related transfer functions (HRTFs) to create an immersive 3D soundfield using only two speakers, widening the "sweet spot", creating a more spacious sense of ambience, and producing strong localization cues for discrete instruments within an audio mix.^[1] SRS is not a Dolby matrix surround decoder but works with normal stereo recordings.^{[citation needed]}