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Stereo geometry tests

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1 Author(s)
Klipsch, P. ; Klipsch and Associates, Inc., Hope, Ark

Since judgement of distance to a sound source is vague, whereas lateral localization is about 2°, stereo tests were conducted with a single row of sound sources. Live sounds were observed and recorded outdoors; reproduction indoors utilized speakers on a 25-foot array. To express the results a criterion of error was computed which ranged from 0.042 for live listening to 0.60 for 2-loudspeaker stereo without toe-in. Three-loudspeaker arrays with toe-in exhibited criterion-of-error values of 0.11 to 0.14 with no significant difference between 2 and 3 electrical channels.

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Audio, IRE Transactions on  (Volume:AU-10 ,  Issue: 6 )