Understanding the DSP

June 2002 CCTV, Surveillance & Remote Monitoring

DSP is an abbreviation for digital signal processing.

DSP cameras contain chips or chipsets, which replace several conventional integrated circuits in the camera head. These DSP chips enable advanced video processing and manipulation to be carried out in the camera head.

DSP technology provides several benefits in either enhancing camera performance, or it can also be used by the manufacturer to simplify assembly and set-up time, thereby reducing costs.

DSP cameras can be divided into two categories:

Intelligent DSP cameras

These cameras provide intelligent features combined with enhanced performance.

Intelligent DSP cameras typically would have one or several of the following features:

* Programmable intelligent backlight compensation (BLC).

* Video motion detection (VMD).

* Remote set-up/control via a serial data link.

* Built-in character generator.

* Onscreen menu.

Standard DSP cameras

These entry level DSP cameras do not provide any of the intelligent features associated with DSP technology, but are designed to provide cost-effective products.





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