Audessence ALPS-1 Audio Level Processing System, USB and RS-232 Access
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Audessence ALPS-1 Audio Level Processing System, 20Hz-20kHz Digital Frequency, 30Hz-20kHz Analogue Frequency, <-100dB Digital Distortion, USB and RS-232 Access

SKU: AUALPS1

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Audessence ALPS-1 Specifications

  • Frequency Response

    Digital-Digital: 20Hz-20kHz +/-0.1dB
    Analogue-Analogue: 30Hz-20kHz +/-0.5dB

  • Noise

    Digital-Digital (rms 20Hz-20kHz): 117dBFS

    Analogue-Analogue (rms 20Hz-20kHz): <-83dB ref Limit point +8dBu

  • Distortion

    Digital-Digital (6dB limiting): <-100dB / 0.001% THD
    Analogue-Analogue (6dB limiting): <-80dB / 0.01% THD

  • Stereo Separation (L/R crosstalk)

    Digital-Digital (at 3kHz): 117dB
    Analogue-Analogue (at 3kHz): <-82dB

  • 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

  • Outputs

    Analogue: Active true balanced, standard operating level -6dBu to +18dBu
    Digital: AES-3 (XLR); full input rate / half rate

  • Processing blocks: Gated AGC

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

  • Processing blocks: Compressor

    Nominal 2:1 slope and 4dB maximum boost of low levels. Defeatable

  • Processing blocks: Wide-band Limiter

    Zero overshoot 1.3ms look-ahead zero clipping. Defeatable

  • Processing blocks: HF Limiter

    Protects 50ms or 75ms emphasis curve for FM broadcast applications. Defeatable

  • Control

    USB on front panel, plus RS-232 on rear panel
    ASCII Text based command format

  • Power

    100-240V AC Nominal (acceptable range 88V to 264V AC) / 5 Watts

  • 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 293 mm (1.73 x 18.97 x 11.53")

  • Weight

    1.8 kg (3.96 lbs)

About Audessence ALPS-1

The Audessence ALPS-1 Audio Level Processing System (USB and RS-232 Access) provides control of perceived audio loudness (volume), dynamic range and peak level (modulation). This broadcast audio processor is suitable for all situations where some combination of these three must be powerfully yet unobtrusively controlled. A truly versatile audio leveller / leveler, ideal for radio studios, codec protection, STL protection, satellite feeds, transmitter protection, web streaming and remote broadcast site operations.

Audessence ALPS-1 Features

  • Excellent quality - 96kHz and 88.2kHz native modes avoid unnecessary rate conversions
  • Complete programme reliability - 'pass-through' relays for analogue and digital paths
  • Factory presets deliver exactly the results you need for any application
  • No-tamper front panel (set-up by PC only)
  • Bright, Always-Visible LED bargraphs for audio confidence checks
  • Low audio latency (2.2 - 4 milliseconds), fast boot-up (less than 1 second)
  • Stereo or Dual-Mono modes
  • Sound level control for Radio and Television
  • Normalize levels of news booths and unattended studios, ingest points, etc
  • Overload protection for STLs, digital codecs, PA and monitors
  • FM broadcast: Networks, Relay from satellite, Community radio and RSLs
  • Professional-level audio streaming, archiving and podcasting

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Key Features

  • Excellent quality
  • Complete programme reliability
  • Factory presets deliver exactly the results you need
  • No-tamper front panel (set-up by PC only)
  • Bright, Always-Visible LED bargraphs
  • Low audio latency (2.2 - 4 milliseconds), fast boot-up (<1 second)

What's in the box:

  • Audessence ALPS-1 Audio Level Processing System
  • GUI
  • Audessence 3 Year Warranty