A multi-mode sound reproduction device is disclosed including a direct radiation sound device, a diffuse radiation sound device and a selection device in signal communication with both the direct radiation sound device and diffuse radiation sound device, the selection device capable of selecting between the direct radiation sound device for one mode of operation and the diffusion radiation sound device for another mode of operation in response to a received control signal.

 
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< Optical pickup apparatus, objective optical element and optical information recording and/or reproducing apparatus

> Automatic gearshifting process for a vehicle with engaged coupling-dependent power take off and automatic disengagement process of a coupling-dependent power take off

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