Electrical audio signal processing systems and devices – Noise or distortion suppression – Interpolation
Patent
1993-11-12
1998-01-20
Isen, Forester W.
Electrical audio signal processing systems and devices
Noise or distortion suppression
Interpolation
381159, 181156, 181199, H04R 102
Patent
active
057108218
ABSTRACT:
A high quality sound system for installation into the bay of an existing computer including a front panel supporting a pair of speakers. A sound focussing isolation unit having a mouth opening up on the front panel is positioned between the speakers and has a throat communicating with a reverberating chamber provided by a housing located in the bay of the computer. The focussing isolation unit is constructed to prevent sound waves generated by one speaker from destructively interfering with sound waves generated by the other speaker. It also dampens mechanical vibrations of the front panel. The focussing isolation unit also focusses sound from the reverberating channel located in the bay space out through a mouth located in the front channel. Each channel is provided with an individual amplifier for two channel reception. Power to the amplifiers is provided from the computer power supplies which is first filtered to reduce noise to the amplifier circuits. Selected impedance matching is provided between the amplifiers and any third party sound signal source.
REFERENCES:
patent: 5020926 (1991-06-01), Wilhelm
patent: 5119497 (1992-06-01), Freige et al.
patent: 5481616 (1996-01-01), Freadman
Advertisement for "Twin Sound.TM.," by Sound Minds Technology, 1992.
Isen Forester W.
Sound Minds Technology, Inc.
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