Audessence ProCoder-2 Audio Processor and Stereo Encoder for FM
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Audessence ProCoder-2 Audio Processor and Stereo Encoder for FM, 20Hz-15kHz Frequency Response, <-70dB Distortion, 60dB Stereo Separation

SKU: AUPROCODER2

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Audessence ProCoder-2 Specifications

  • Frequency Response

    Analogue-Analogue (L=R input, output de-emphasized):20Hz-15kHz +/-0.2dB

  • Noise

    Analogue-Analogue (rms 20Hz-20kHz, output d/e): <-75dB ref: 100% modulation (d/e on)

  • Distortion

    At 6dB limiting: <-70dB / 0.03% THD

  • Stereo Separation

    Better than 60dB at 1kHz

  • Inputs

    Analogue:: Active balanced, 10k (bridging), standard operating level -6dBu to +14dBu (clip +22dBu)
    Digital: AES-3 (XLR); 32, 44.1, 48, 88.2, 96kHz sample rate. 16, 20, or 24 bits

  • Output

    MPX (Analogue): Unbalanced (on BNC), standard operating level -6dBu to +18dBu

  • Processing blocks: High-Pass

    3dB frequencies 3Hz [DC block], 25Hz, 45Hz, 70Hz, 110Hz, 12dB/octave

  • Processing blocks: Gated AGC

    Capture range 40dB (+/-20dB); maximum positive gain can be set
    Advanced AGC enables faster, programme-dependent operation

  • Processing blocks: Compressor

    Nominal 2:1 slope

  • Processing blocks: Presence Enhancer

    Boosts selected frequencies for presence and / or brightness

  • Processing blocks: Limiters

    Look-ahead dual time-constant peak limiters plus NCDCS fully anti-aliased main clippers

  • Processing blocks: Low-Pass Filter

    Cut-off frequency 15.5kHz, overshoot compensated, stop-band better than -70dB

  • Processing blocks: HF Limiter

    50ms or 75ms emphasis curve

  • Processing blocks: Stereo Encoder

    Zenith / GE Pilot tone system

  • Processing blocks: Composite Clipper

    -1.0 to +2dB, Anti-aliasing, filters protect 19kHz +/- 200Hz and above 54kHz

  • Processing blocks: Tilt Corrector

    Corrects low frequency overshoots in transmitters/ exciters. Fully adjustable

  • Control

    Setup is via PC GUI only
    Select a factory preset, modify it, set levels etc, save to flash memory
    USB on front panel, plus RS-232 on rear panel

  • AC power input

    100-240V AC (acceptable range 88V to 264V AC) / 12.5 Watts / 17VA typical

  • Computer Control

    Every processing parameter, including all thresholds and time constants, can be accessed and modified under PC control

  • Approvals

    CE (EMC & LVD), RoHS

  • Dimensions

    1-RU: 44 x 482 x 290mm (1.73 x 18.97 x 11.41")

  • Weight

    1.8kg (3.96lbs)

About Audessence ProCoder-2

The Audessence ProCoder-2 Audio Processor is a great value FM processor and stereo encoder that can save money whether your station is a big network keen to solve the dilemma of where to locate your favorite multiband audio processor or a smaller broadcaster looking to broadcast a loud signal without losing clarity and quality. Multiband processors can be located at the studio for convenience while obtaining better peak control (and therefore more loudness) at one or many FM transmitter sites using ProCoder's 'transparent mode' with LF- and HF- overshoot inhibiting algorithms. All the usual limiting and clipping functions for peak control that you'd expect to find are there too, including fully overshoot compensated 15kHz lowpass filters.

The broadcast audio processor section also has a full range of tools for 'stand-alone' use including world-renowned leve ler, plus effective presence and brightness enhancers to make sure your signal stands out. ProCoder delivers typical Audessence clarity and fidelity on voices and music.

Audessence ProCoder-2 Features

  • Transparent mode' offers brick-wall peak limiting without disturbing sonic signature
  • Automatic silence detect and fall-back to secondary audio source (defeatable)
  • Composite clipper for 'last ounce' loudness with perfect pilot and subcarrier protection
  • Overshoot-compensated 15.5kHz low-pass filters
  • GPI tallies for: PSU OK, DSP watchdog, primary audio OK, All-OK
  • Advanced AGC as used in ALPS levelers offers unsurpassed, rapid control of levels
  • Presence enhancer to brighten programme if used without multiband pre-processing
  • No-tamper front panel (set-up by PC only: GUI software, USB and RS-232 ports provided)
  • Bright, always-visible LED bar-graphs for instant confidence checks
  • Very low audio latency (7 milliseconds), very fast boot-up (less than 1 second)
  • TCP-IP connectivity option
  • Factory presets deliver exactly the results you need for any application
  • Integral FM stereo encoder
  • Stereo enhancer option to follow as no-cost software update

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Key Features

  • Overshoot-compensated 15.5kHz low-pass filters
  • GPI tallies for
  • No-tamper front panel
  • TCP-IP connectivity option
  • Integral FM stereo encoder

What's in the box:

  • ProCoder-2 Audio Processor and Stereo Encoder for FM
  • GUI Software
  • Audessence 3 Year Warranty