The Radcap AM is a radio cature card designed for simultaneous recording of multiple radio stations. The frequency of each individual station may be set in software and its audio appears as a standard Windows audio input device.
The AM Radcap uses a high speed analog-to-digital converter to digitise AM band, and then uses advanced digital signal processing utilising the MMX instruction set of PC's processor to extract the audio for each individual station. It can be configured to either create a seperate audio stream for each station or to pair stations together as stereo streams.
A WDM driver for Windows 2000, Windows XP and Vista is supplied as well software for setting the tuner frequencies and monitoring the received audio.
System Requirements
Platform: Windows 2000,Windows XP or Vista
Processor: 1GHz Pentium II or better (for 20 stations)
Memory: 128MB minimum
Motherboard: ATX-style PCI 2.2 compliant
Other: Sound card or motherboard sound port for monitoring
Notes
1. The driver requires the equivalent of about 40MHz of CPU time for each station plus an initial overhead of about 200MHz of CPU time
2. The card relies on 3.3V supply being available on the PCI connector which became manadatory under the PCI 2.2 specifications. Older AT-style motherboards generally do not support this.
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