Before revision: If two speakers are placed to the left and right of the listener (in addition to the main speakers), and fed with the program material delayed by 10 to 20 milliseconds, the random-phase ambience components of the sound will become sufficiently decorrelated that they cannot be localized.
After revision: sameIf two speakers are placed to the left and right of the listener (in addition to the main speakers), and fed with the program material delayed by 10 to 20 milliseconds, the random-phase ambience components of the sound will become sufficiently decorrelated that they cannot be localized.