Electrical audio signal processing systems and devices – Noise or distortion suppression – Interpolation
Patent
1996-07-29
1997-04-15
Kuntz, Curtis
Electrical audio signal processing systems and devices
Noise or distortion suppression
Interpolation
381159, 381188, 181145, H04R 102
Patent
active
056218044
ABSTRACT:
A composite loudspeaker apparatus including a cabinet which has a first air chamber and a second air chamber having a sound port, a drone cone or a resonance duct, adjacent to each other, wherein the first air chamber has a first loudspeaker driven by the audio signal of one of the left (L) and right (R) channels, and the second air chamber has a second loudspeaker driven by the low frequency component of the synthesized audio signal of the L and R channels mounted therein. The apparatus has another cabinet wherein a third loudspeaker driven by the audio signal of the other of the L and R channels is mounted therein. Another cabinet has a sound port, a drone cone or a resonance duct.
REFERENCES:
patent: 5147986 (1992-09-01), Cockrum et al.
patent: 5222145 (1993-06-01), Draffen
Translation of cited reference 2663181 by Lann. Dec. 1991.
Translation of cited reference 4192795 by Koizumi. Jul. 1992.
Selbstbau: Alto-Boxen In: Radio Fernsehen Elektronik, 1993 Nr. 8, pp. 30-31.
Anzeige der Fa. Miller & Kreisel Sound Corporation In: Audio, 1993, Nr. 1, p. 109.
Anzeige der Fa. Bose In: Audio, 1989, Nr. 1, pp. 92-93.
Kuntz Curtis
Lee Ping W.
Mitsubishi Denki & Kabushiki Kaisha
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