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QX-1 Datasheet, PDF (1/10 Pages) List of Unclassifed Manufacturers – QX PANDER PROCESSOR WITH VOLUME AND TONE CONTROL
QX-1
QXpander Processor with Volume and Tone control
Device Specifications - Preliminary Information
Overview:
The QX-1 is an audio enhancement and control IC featuring QSound Labs’ QXpander process. The patented
QXpander technology produces a spatial or widened stereo image from ordinary left and right channel inputs. This
audio enhancement is achieved while using normal stereo signals and standard stereo audio equipment. No special
initial encoding of the input signals and no additional speakers are required.
Feature:
• Built in QXpander technology
• Stereo sound enhancement
• Electronic volume control
• 2 band tone control
 Bass (0 ~ +21dB/3dB step)
 Treble (0 ~ +9dB/3dB step)
• 5 input selector (The fifth input can be used as REC OUT or MIC MIX)
• DC ±2.25 to ± 2.75 volt supply
• 24-pin SSOP packaging
Application:
• Audio systems including TV, AV Amp, Mini System, VCR, DVD, VCD, SVCD and MP3 player
• Computer-based multimedia products, including sound cards and powered loudspeakers
System Block Diagram:
QXpander
Ref: QX1.DOC
Rev: 1.00
QX-1 Data Sheet -- Preliminary
QSound Labs, Inc.
Date: 09/23/99
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