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Lorenz Audio Digital Signal Processor DSP-12I8O-DN

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Lorenz Audio Digital Signal Processor

DSP-12I8O-DN

 

Overview:

The Lorenz DSP-12I8ODN is a high-performance 12 input × 8 output Audio Digital Signal Processor designed for professional conferencing, training, and collaboration environments. It provides advanced AEC (Acoustic Echo Cancellation), USB audio interface, integrated DSP processing, and flexible control connectivity. Certified to work seamlessly with Microsoft Teams Rooms, Zoom Rooms, and other leading UC platforms, the DSP ensures crystal-clear communication and uncompromising reliability.

 

Features:

  • High-Performance DSP Core – Dual-core SHARC DSP with 500 MIPS, 6GFLOPS, and 2 GMACS processing power for complex audio algorithmswithout latency.
  • Scalable Dante Networking (Optional) – Expandable to 128×128 Danteaudio channels with full primary/secondary redundant ports formission-critical AV systems.
  • Smart USB Audio Profiles – Switch between echo-cancellingspeakerphone, line I/O, or multi-channel profiles to support Teams,Zoom, Webex, Google Meet, and all UC platforms.
  • Advanced Signal Processing Suite – Full library of parametric EQ,graphic EQ, feedback suppression, compressors, gates, limiters,duckers, crossovers, and audio delay (up to 174 seconds).
  • AEC Tail Length Advantage – 400 ms tail length, ensuring echocancellation even in acoustically challenging environments (large rooms,reflective spaces).
  • Front Panel User Interface – Built-in LCD display with navigation button for IP address, DHCP status, system errors, and I/O level metering.
  • Logic I/O Flexibility – 8 logic outputs + 8 switch inputs configurable for microphone mute control, preset recalls, or LED indicators.
  • Control and Monitoring Options – Comprehensive system configuration via Windows GUI software, browser-based web server, and mobile-friendlyARC-Web.
  • Third-Party Control Ready – Native API for other automation systems over IP or RS-232.
  • Security & IT Integration – IEEE 802.1X authentication, HTTPS, SSH, and encrypted communications for enterprise network compliance.
  • Reliability Features – Non-volatile memory retains presets after power outage; real-time clock enables automatic preset changes on schedules.
  • Silent Cooling – Fanless convection cooling, with side ventilation, suitable for boardrooms and quiet environments.
  • Expandable I/O – Expansion slot supports cards for VoIP, analogtelephony, extra mic/line inputs, digital I/O, or AEC channels.

QUANTITY

Specifications

General

  • 12×8 Audio DSP with AEC, USB Audio, and Dante (optional)

  • Certified for Microsoft Teams & Zoom

Audio Inputs

  • No. of Inputs: 12 mic/line, balanced/unbalanced

  • Phantom Power: +48 V on 8 inputs

  • AEC: Yes, on all mic inputs

  • Dynamic Range: >115 dB, A-weighted

  • THD+N: <0.02% (20 Hz – 20 kHz)

  • CMRR: >60 dB

Audio Outputs

  • No. of Outputs: 8 balanced/unbalanced

  • Max Level: +24 dBu

  • Dynamic Range: 117 dB

  • THD+N: <0.02%

Acoustic Echo Cancellation (AEC)

  • Channels: Up to 16 (dual-core)

  • Tail Length: 400 ms (configurable, >200 ms guaranteed)

  • Latency: 16 ms

Converters

  • A/D – D/A: 24-bit / 48 kHz

  • Internal DSP: 32/40-bit floating point

  • Frequency Response: 20 Hz – 20 kHz (±0.5 dB)

Processing Elements

  • Mixers (matrix/auto), Equalizers, HPF, LPF, Crossovers

  • Feedback Suppressor, Limiter, Ducker, Delay, AEC

USB Audio

  • Interface: USB 2.0 Type-B

  • Channels: Up to 8×8 configurable

  • Modes: 1×1 (speakerphone), 2×2, 8×8

  • Sample Rate: 48 kHz

  • Bit Depth: 16/24-bit

Digital I/O & Logic

  • Inputs: 8 logic/digital (mic mute, preset recall)

  • Outputs: 8 logic outputs (5 V, LED drive)

Networking

  • Ethernet: 10/100/1000 Base-T

  • Protocols: HTTPS, Telnet, SSH, ARP, ICMP, IEEE 802.1X, TCP/IP, DHCP

  • Expansion: Dante 128 (64×64) redundant (optional)

Control & Monitoring

  • Interfaces: USB, RS-232, Ethernet

  • GUI Software: Windows/Mac/Linux design & monitoring

  • Web Interface: Integrated web server, ARC-Web mobile control

  • 3rd-Party Control: API over IP/RS-232

Indicators & Display

  • Front Panel: LED for signal status, Clip, Fault

  • LCD Display: Yes – shows power, environmental status, IP, DHCP, I/O levels, all settings & system status

Power & Cooling

  • Supply: 100–240 VAC, 50/60 Hz

  • Cooling: Fanless convection, side ventilation

Environmental

  • Operating Temp: 0 °C to +50 °C (recommended ≤30 °C for 24×7 use)

Mechanical

  • Form Factor: 19" rack mount, 1U (detachable rack ears)

  • Dimensions (W×H×D): [To be filled]

  • Weight: ~6 kg

Certifications

  • CE, UL, FCC, RoHS, WEEE, UKCA, BIS

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