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Sonifex PC-FM32 - FM PCIe Radio Capture Card - 32 Channel

Sonifex PC-FM32 - FM PCIe Radio Capture Card - 32 Channel

Code:PC-FM32 Condition: New
£2,099.95
( £2,519.94 inc. VAT)
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PC-FM32 FM Radio Capture PCle Card (32 Channels)

 

The FM Radcap PCIe is a radio capture card designed for simultaneous recording of multiple radio stations. The frequency of each station is set in software and its audio appears as a standard Windows audio input device. RDS decoding is also supported.

The card uses a high-speed A/D converter to digitise the entire FM band, with up to 32 individual tuners. The Radcap achieves exceptionally low audio distortion through the use of linear phase filtering and mathematically precise FM demodulation and stereo decoding. FM demodulation and stereo decoding is done in FPGA fabric, while RDS decoding, if enabled, is performed in the driver using the host CPU’s SSE-2 instruction set. This division of labour between the FPGA and driver allows greatest flexibility in catering for future baseband technologies while minimising the CPU overhead of the card.

 

A WDM driver for Windows XP (SP2 or later), Server 2003, Vista, Server 2008, Windows 7, Server 2008 R2, Windows 8 and Server 2012 is supplied as well as software for setting the tuner frequencies and monitoring the received audio. A programming API and DLL for software control and monitoring are also supplied.
The card can be configured to operate in stereo, mono or paired mono (two mono stations combined on a 2-channel audio stream) modes. Multiple cards can be used in a single PC, subject to available CPU bandwidth. The audio de-emphasis may also be set to either 50us or 75us. In Australia, New Zealand and Europe 50us is used, while in the USA and Canada 75us is used.

 

A utility called FMSpectrum is supplied. This displays the RF spectrum from 85MHz to 111MHz, using data from the card’s front-end 256-point FFT and may be useful in selecting the best location for the antenna or resolving interference problems.

The card is factory-configured for 6 (PC-FM6), 12, 18, 24 or 32 (PC-FM32) stations, but may be expanded in the field for an additional charge.

Operating Systems Supported

Platform: Windows XP (SP2 or later), Server 2003, Vista, Server 2008, Windows 7, Server 2008 R2, Windows 8 and Server 2012 (32-bit and 64-bit versions)
Processor: 2.5GHz Pentium 4 or better
Memory: 256 MB minimum (1GB for Vista Windows 7/Server 2008, 2GB for Windows 8/Server 2012)
Bus: Single lane PCI Express v1.1
Other: Sound card or motherboard sound port for monitoring
   

Specification

Tuning Range: 87.5MHz to 108.5MHz in 25kHz steps
Sensitivity: 10uV for 40dB S/N
Maximum Input: 150mV RMS
RF Input Impedance: 75Ω
De-emphasis: Configurable as 50us or 75us
Audio Distortion: <0.01%
Audio Sampling Rate: 48kHz (all other rates automatically supported via Windows sampling rate converter)
Number of Stations: 6, 12, 18, 24 or 32 (factory configured but end-user expandable)
RDS Decoding: Optionally enabled in driver configuration
   

Equipment Type

PC-FM6 Radcap FM 6 - 6 channel FM PCIe Radio Capture Card
PC-FM12 Radcap FM 12 - 12 channel FM PCIe Radio Capture Card
PC-FM18 Radcap FM 18 - 18 channel FM PCIe Radio Capture Card
PC-FM24 Radcap FM 24 - 24 channel FM PCIe Radio Capture Card
PC-FM32 Radcap FM 32 - 32 channel FM PCIe Radio Capture Card
PC-FMUP6 Radcap FM 6 Channel Upgrade
PC-FMUP8 Radcap FM 8 Channel Upgrade
   

Physical Specification

Dimensions (Raw): 14cm (L) x 12.5cm (H) x 2cm (D)
5.5” (L) x 4.9” (H) x 0.8” (D)
Dimensions (Boxed): 27cm (L) x 22.5cm (H) x 6cm (D)
10.6” (L) x 8.9” (H) x 2.4” (D)
Weight: Nett: 0.10kg Gross: 0.20kg
Nett: 0.2lbs  Gross: 0.4lbs

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