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QX2014 is a bipolar analog
stereo enhancement processor. This device is
part of the QX chip family offered by
QSound Labs, and uses the patented
QXpander technique to produce a spatial or
widened stereo image from ordinary left and
right channel inputs.
This audio enhancement is achieved using
normal stereo signals and standard audio
playback equipment including two ordinary
speakers.
The 2014 has a TTL-compatible QEN/BYP
control to select between QXpander
enhancement and normal stereo audio. In
addition, an analog 鈥渟pread鈥?control pin
provides for continuous adjustment of the
degree of expansion. User adjustment may be
implemented using a simple single-gang
potentiometer.
Features
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Produces a wide sound image from
normal stereo input
No encoding of input signals or special
output equipment is required
TTL-compatible QXpander/Bypass mode
selection
User-adjustable enhancement level
Power down output
Low Noise: 15
碌Vrms
Few external components; low cost
Fabricated using bipolar technology and
available in plastic 22 pin SDIP and 18
pin SOP packages. Other package
options may be offered upon request.
Applications
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Television sound systems (Stereo)
Personal, portable & home entertainment
audio systems
Desktop and laptop PC audio systems
Multimedia speaker systems
Video Games systems
Pin Assignment
Figure 1: SOP pin assignment
Figure 2: SDIP pin assignment
Ref: 2014v100.doc
Rev: 1.00
QX2014 Data Sheet -- Preliminary
QSound Labs, Inc.
Date:
99.04.2107
Page 1 of 6
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