QSC Audio DSP-3 User Manual

Page 2

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Hardware

• Two independent channels of DSP

• 48 kHz, 24-bit converters

• No turn-on pops or zipper noise

• If the memory or hardware fails, unit turns on muted

• Host interface via RS-232 or QSControl Audio Network System*

via CM16a Amplifier Network Monitor

• Electronically balanced inputs

• Contact closure to trigger preset changes

• Post-DSP output signal for daisy-chaining

• Peak, RMS and Clip meter displays

• DataPort “pass-through”compatible with QSControl

• Selectable input sensitivity: 1.5, 4, 9, 18 Vrms;

6, 14.5, 21.5, 27.5 dBu; 3.5, 12, 19, 25 dBV

Software

• “Drag-and-drop”configuration software

• DSP processing power and memory dynamically assignable to

signal processing functions

• Graphical representation of DSP resources

• Firmware upgrades downloadable via RS-232

• Hard copy printout of configuration description and parameter settings

ADDITIONAL FEATURES

• Multiple Parametric Filters, assignable anywhere in the signal chain:

Variable Frequency

Bypass all EQs

Variable Gain

Add EQ

Variable Q

Delete EQ

Apply Bypass

Show Response

• Multiple Delays, assignable anywhere in the signal chain

20.83 µsec Incremental
910 msec Maximum

• Dynamics Processor with Compressor and Expander, assignable

anywhere in the signal chain:

Gain

Release Time

Threshold

Show Response

Ratio

Bypass

Attack Time

• Output Peak Limiter, assignable anywhere in the signal chain:

Gain

Release Time

Threshold

Show Response

Attack Time

Bypass

• High and Low-Pass Crossover Filters, assignable anywhere in the

signal chain:

Butterworth 6, 12, 18, 24 dB per octave slope
Bessel 6, 12, 18, 24 dB per octave slope
Linkwitz-Riley 12 and 24 dB per octave slope

Apply Bypass

Delete EQ

Bypass all EQs

Show Response

Add EQ

• High and Low-Pass Shelf Filter,assignable anywhere in the signal chain:

Variable Corner Frequency

Bypass all EQs

Variable Gain

Add EQ

Variable Q

Delete EQ

Apply Bypass

Show Response

• Signal Mute

• Attenuation: 0.1 dB steps

• Mix Post Crossover Audio (2

➜

1 Mixer)

• Signal Splitter

• Built-in Noise Generator (Pink & White)

• Built-in Variable Frequency Tone Generator

• Signal Polarity Reversal

• Frequency Response readout after each filter

• Clip and Protect Indication at any point in the signal chain

SIGNAL PROCESSING FUNCTIONS

* Available in early 2001.

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