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Lateral sound velocity obviously determines both localization and spaciousness, since without it we would hear only mono.
However. See Blauert. When the velocity and pressure are uncorrelated or vary rapidly in phase with frequency, a sense of
spaciousness appears to result. As will be shown later, lateral velocity is generated by the L-R or side signal in a stereo
recording, even in a reverberant room, although the room can play havoc with the phase.
It is only when the lateral velocity (L-R) and the pressure are phase correlated that accurate localization is possible.
It is only when velocity and pressure are uncorrelated that spaciousness is heard.
Understand foremost that velocity is a vector, implying a path. If we cannot preserve the path to the listener, both
localization and spaciousness will be reduced and diffusiveness will be the result. The ratio of these components is the key to
imagery and apparent clarity.
Early reflections are reduced by providing broadband uniform directivity loudspeaker designs (Dudleston) thus improving
localization.
Likewise correlated spatial information in the recording is more audible because of reduced masking effects of early room
reverberation and an increase of ambient information beyond 14ms.
Low frequency resonances can be greatly reduced without introducing error in the time domain (Bohmer, Dudleston) with
modern DSP.
While the amplifier is very important, the loudspeaker is traditionally the limitation in the playback chain. To address this, the
V system with Wavelet processor corrects each driver section individually, compensates and aligns them in the time domain,
then examines the summation acoustically and fits it to the target curve. Lastly it samples the radiation into the room and
provides the final correction, removing time domain errors and resonances as old as 40ms. What's most amazing about this
is that after the
final
measurement is made, it factors all these steps into one single computation. After a few moments of
iterations and regression calculations, it provides the resulting coefficients to compensate in real time- on the fly - from that
Содержание V System
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Страница 13: ...13 Ready to take control of your V system ...
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Страница 17: ...17 Input ...
Страница 18: ...18 Settings Mode ...
Страница 19: ...19 DAC Presets ...
Страница 20: ...20 Contour Channel Levels ...
Страница 21: ...21 System Update Room Correction pg 1 ...
Страница 22: ...22 Room Correction pg 2 Room Correction Help Screen ...
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