User`s manual
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FOREWORD
The PCAP II Plus Enhanced-Capability Personal Computer Audio Processor is the latest generation of
the most popular forensic audio analysis and processing system used by the law-enforcement and
intelligence communities. The PCAP II Plus offers the following advantages over typical PC-based
audio processors:
• Designed from the ground-up to implement generally-accepted forensic voice enhancement /
clarification principles and methodologies; not originally designed as a commercial audio post-
production, “sweetening”, or phonograph audio restoration tool
• Powerful, interactive, real-time noise reduction processing using the latest DSP technology
• Compact, field-deployable packaging
• Direct digital audio input/output with AutoSYNC; interfaces directly with Digidesign Pro
Tools® systems for direct processing of file-based digital audio media
• Both monaural and stereo signal processing
• Up to 12 sequential stages of enhancement processing
• All Windows
TM
-based control: versatile configuration and easy, interactive adjustment
• All signal processing contained in an external unit; interfaces to PC serial port with a single
cable
• Laptop or desktop computer control
• Built-in dual channel FFT spectrum analyzer
• Built-in digital filter coefficient display
• Disk file storage/recall of filter setups
• Stand-alone operation allowing the hardware processor to be operated at desired settings
without PC
• Report generator for hardcopy printouts and word processor files of filter setups
• Unmatched flexibility and performance