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General Description
The QSurround鈩?QX2015 is a bipolar
analog virtual surround processor using
QSound Labs patented technology to create
a spatial or widened surround sound
experience. This virtual surround experience
is achieved by first passive decoding the
individual surround channels from a matrix
encoded stereo signal, then the QSound
processing widens the front channel
information, and virtualizes the surround
channel, placing it to the sides and behind the
listener. If the source material is a standard
stereo recording, QSound鈥檚 high quality
stereo expansion, QXpander鈩? creates a
spatial or widened stereo image.
Features
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Internally decodes matrix surround
encoded
materials,
such
as
TM
Dolby Surround VHS tape
Virtualized surround sound with stereo
speakers
Expanded stereo for narrow speaker
placement, e.g., television mounted
stereo speakers
TTL-compatible
QSurround/Bypass
mode selection
Power down output
Low THD: 0.1%
Low Noise: 15
碌Vrms
Few external components; low cost
Fabricated using bipolar technology and
available in a plastic 16 pin SOP
packages. Other package options may be
offered upon special request.
Applications
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Television sound systems (Stereo)
Video cassette player/recorder
Personal, portable & home entertainment
audio systems
Desktop and laptop PC audio systems
Multimedia speaker systems
Video Game systems
Pin Assignment
Figure 1: SOP16 pin assignment
Ref: 2015v099.doc
Rev: 0.99
QX2015 Data Sheet -- Preliminary
QSound Labs, Inc.
Date: 12/15/98
Page 1 of 6
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