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Our brain determines the direction of the sound by perceiving the time delay (interaural time difference) and the
level difference (interaural level difference).
Stereo listening with an "traditional" headphone preamplifier
When listening to music with a traditional headphone amplifier, the right ear only perceives the right signal (red
line) and the left ear only perceives the left signal (green line).
The delayed and quieter signal of the respective opposite side is miss-
ing. This unnatural sound irritates the ear and is stressful for our brain,
because it constantly is busy trying to locate the direction of the sound.
Besides, this super-stereo-effect leads to an exaggerated stereo width.
Instruments that are placed in the stereo field appear to be located
much further outside than desired.
These unnatural effects are corrected by the Phonitor Matrix.
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