QSC Audio Portable Speaker 922dz User Guide

BASIS 922dz  
QSControl.net Digital System  
Inputs  
DSP  
Outputs  
QSControl.net, QSC’s next generation network audio  
system, achieves the seamless integration of the  
company’s signal transport, control, processing, and  
monitoring technologies. QSControl.net brings together  
QSC’s digital, power amplification and loudspeaker  
products into a unified system that enables the user  
to administrate it all via a fully integrated graphical  
user interface. The new generation BASIS devices  
are designed to operate under the company’s  
QSControl.net platform.  
AES/EBU  
8 digital  
CobraNet  
16 of 32  
DataPort  
4(8 channels)  
CobraNet  
32  
24 x 24  
Features  
• Amplifier and loudspeaker control, monitoring and protection  
• Configurable DSP functions and signal paths  
• Fixed latency DSP engine  
• Ethernet controllable  
BASIS 922dz  
The BASIS platform meets the control, monitoring, signal  
transport and processing needs of amplification and  
loudspeaker systems over an Ethernet network. The BASIS  
922dz units combine three distinct QSC technologies  
within a single hardware unit. Amplifier and loudspeaker  
control, monitoring and protection, configurable DSP, and  
CobraNet™ audio transport are seamlessly integrated into  
one powerful single RU package.  
• CobraNet audio transport with new intuitive GUI  
• Two Ethernet ports – CobraNet and control can be run over a single cable  
or be divided between the two ports. The CobraNet port is 100Base-T. The  
control port is 10Base-T  
• Each unit can store eight design configurations that can be changed on the fly  
• Snapshots can recall config or block and/or parameter settings  
• THX™ approved for professional cinema applications  
DSP functions include, but are not limited to:  
• Matrix mixer – any size, up to 24 x 24  
Through QSControl.net, QSC’s BASIS and next-generation  
RAVE and DSP products can be networked together and  
controlled from a single software interface. In addition,  
multiple networked computers can be set up to control  
and monitor all of the units simultaneously.  
• Automixers – gain sharing  
• Routers – any size, up to 24 x 24  
• Gain controls – any channel count, up to 24  
• Graphic equalizers  
Fixed Latency DSP  
Users of most other configurable DSP systems are  
familiar with a variable latency inherent in the processing  
configuration. Add more processing blocks and you also  
add delay, whether you want it or not. QSC’s DSP engine  
is unique in having a short and fixed processing latency  
through the DSP subsystem. When the A/D and D/A  
converters are included, the total digital-to-analog latency  
of a single unit is a negligible 2.167 milliseconds. QSC’s  
fixed latency DSP is configurable DSP that stays fast and  
predictable from one configuration to the next.  
• Filters – high-pass, low-pass, all-pass, shelf, parametric, parametric shelf,  
Butterworth high and low-pass, Linkwitz-Riley high and low-pass, Bessel-  
Thomson high and low-pass  
• Crossovers – Linkwitz-Riley, Butterworth, Bessel-Thomson in-phase, Bessel-  
Thomson symmetrical, 2-way, 3-way, and 4-way general purpose adjustable  
• Compressors, peak limiters, AGC’s, gates, dynamics processor  
• Duckers – up to 8 channels, up to 60 seconds fade in and fade out times,  
priority mix  
• Pink noise, white noise, sine generators  
• Delays  
CobraNet is a trademark of Cirrus Logic, Inc.  
THX is a trademark of THX Ltd.  
• Macros – user-definable custom blocks with password protection  
 

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