QSC Audio DSP-3 manual Signal Processing Functions, Additional Features, Hardware, Software

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SIGNAL PROCESSING FUNCTIONS

• 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

20.83µsec 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 (21 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

ADDITIONAL FEATURES

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

* Available in early 2001.

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Contents Optimize Your Sound With DSP From QSC Hardware Signal Processing FunctionsAdditional Features SoftwareCompatible Amplifier Models DSP-3 Configurations Signal ManagerAdvanced Drag-and-Drop Software Configuration DSP-3 Specifications
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DSP-3 specifications

QSC Audio has long been recognized for its commitment to delivering high-quality audio solutions, and the QSC DSP-3 is no exception. This advanced digital signal processor (DSP) embodies cutting-edge technologies, designed to enhance audio systems in a variety of environments, including live sound, broadcasting, and installation applications.

One of the main features of the DSP-3 is its exceptional audio processing capabilities, boasting 32-bit floating-point processing for superior sound quality. This ensures that audio remains clear and dynamic, with minimal distortion, even under demanding conditions. With a frequency response of 20 Hz to 20 kHz, the DSP-3 caters to a wide range of audio frequencies, ensuring no detail is lost in the sound.

The DSP-3 offers extensive input and output options, including multiple analog and digital inputs and outputs. This flexibility allows for seamless integration into existing sound systems, catering to various setups while accommodating different signal formats. Users benefit from the unit’s configurability, enabling tailored solutions for different applications.

One of the standout technologies integrated into the DSP-3 is its advanced FIR (Finite Impulse Response) filtering capabilities. FIR filters are known for their phase linearity, which is crucial for maintaining the integrity of the audio signal through the processing chain. This feature helps in achieving accurate sound reproduction, ensuring a natural listening experience.

Additionally, the DSP-3 comes equipped with a user-friendly interface, featuring real-time monitoring and control options. This interface allows sound engineers and technicians to swiftly make adjustments on the fly, resulting in optimized audio performance tailored to the specific venue or event.

Another notable characteristic of the DSP-3 is its robust protection features. With built-in limiters, compressors, and equalizers, the device safeguards audio equipment from damage due to excessive signal levels, while maintaining the best audio quality possible. This added layer of protection is invaluable in live sound scenarios, where unpredictable dynamics can occur.

Overall, the QSC DSP-3 stands out as a powerful and flexible digital signal processor that meets the needs of modern audio applications. Its combination of advanced processing capabilities, extensive connectivity, intuitive interface, and protection mechanisms makes it an essential tool for audio professionals aiming to achieve exceptional sound quality in diverse environments. Whether for live events, installations, or broadcast applications, the DSP-3 enhances audio performance and reliability, solidifying QSC's reputation as a leader in the audio industry.