AUDIO REPRODUCTION APPARATUS
First Claim
1. An audio reproduction apparatus for a vehicle wherein:
- a first speaker is installed on the right-hand side of a center position in front of a listener sitting on a right-side seat of said vehicle whereas a second speaker is installed on the left-hand side of said center position in front of said listener sitting on said right-side seat of said vehicle;
a third speaker is installed on the right-hand side of a center position in front of a listener sitting on a left-side seat of said vehicle and on the left-hand side of said second speaker whereas a fourth speaker is installed on the left-hand side of said center position in front of said listener sitting on said left-side seat of said vehicle;
an audio signal of a right channel is supplied to said first and second speakers;
an audio signal of a left channel is supplied to said third and fourth speakers; and
low and intermediate frequency components of a sum signal obtained as a result of adding said audio signal of said right channel to said audio signal of said left channel are supplied to a fifth speaker.
1 Assignment
0 Petitions
Accused Products
Abstract
An audio reproduction apparatus for a vehicle wherein: a first speaker is installed on the right-hand side of a center position in front of a listener sitting on a right-side seat whereas a second speaker is installed on the left-hand side thereof; a third speaker is installed on the right-hand side of a center position in front of a listener sitting on a left-side seat and on the left-hand side of the second speaker whereas a fourth speaker is installed on the left-hand side of the center position in front of the listener; an audio signal of a right channel is supplied to the first and second speakers; an audio signal of a left channel is supplied to the third and fourth speakers; and low and intermediate frequency components of a sum of the audio signal of the right channel and the left channel are supplied to a fifth speaker.
26 Citations
9 Claims
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1. An audio reproduction apparatus for a vehicle wherein:
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a first speaker is installed on the right-hand side of a center position in front of a listener sitting on a right-side seat of said vehicle whereas a second speaker is installed on the left-hand side of said center position in front of said listener sitting on said right-side seat of said vehicle; a third speaker is installed on the right-hand side of a center position in front of a listener sitting on a left-side seat of said vehicle and on the left-hand side of said second speaker whereas a fourth speaker is installed on the left-hand side of said center position in front of said listener sitting on said left-side seat of said vehicle; an audio signal of a right channel is supplied to said first and second speakers; an audio signal of a left channel is supplied to said third and fourth speakers; and low and intermediate frequency components of a sum signal obtained as a result of adding said audio signal of said right channel to said audio signal of said left channel are supplied to a fifth speaker. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification