Digigram IQOYA SERV/LINK

The Digigram IQOYA SERV/LINK is indeed a powerful and versatile multi-channel IP audio codec designed for various live remote broadcasting and audio program delivery applications. Here’s a breakdown of its key features and technical specifications:

Key Features:

1. Highest Density: Supports up to 128 I/O channels in a compact 1U rack unit.
2. Redundancy: Equipped with two hot-swappable redundant power supply units for uninterrupted operation.
3. Contribution & Distribution:
   • Contribution: Facilitates multiple live IP contributions via SIP or symmetric RTP.
   • Distribution: Offers multiformat encoding and multiprotocol streaming for audio program distribution.
4. Hot Redundancy: 1+1 hot redundancy of the devices ensures reliability in operation.

Audio Connectivity:

• Analog & AES/EBU I/O: Available with 8 or 16 mono channels.
• AES3 I/Os: Offered with varying channel options from 8 to 32 mono channels.
• MADI I/Os: Supports from 8 to 128 mono channels.
• AES67 I/Os: Available in configurations from 8 to 128 mono channels.
• AES67 & MADI I/Os: Configuration available from 8 to 128 mono channels.
• Dante I/Os: Configurable from 8 to 128 mono channels.
• RS232 & GPIOs: Provides control interfaces for different versions.

Technical Specifications:

• Configuration:
  • Dimensions: 19”, 1RU, 43.9 cm depth.
  • Weight: 7.9 kg.
  • Power Supply: Hot-swappable redundant PSUs supporting various voltages.
  • Temperature: Operating range of 0°C to 50°C, Storage -20°C to 70°C.
  • Humidity: 85% non-condensing.
  • Power Consumption: Max 80W.
• Connectivity:
  • Ethernet Ports: 2 x 10/100/1000 Mbps RJ-45.
  • Analog and AES/EBU Versions: XLR connectors on breakout cables.
  • MADI Versions: Multimode optical fiber.
  • AES67/RAVENNA and DANTE Versions: Additional Gbits/s RJ-45 ports.
  • Sync Options: AES/EBU Sync and Word Clock Sync available.
  • Optional RS232 Ports: For control interfaces.
  • Optional GPIOs: For control and interfacing purposes.

Audio Performance:

• Analog Audio Performance:
  • Dynamic Range: >104 dB for Analog In, >106 dB for Analog Out.
  • THD + Noise: <–97 dB for Analog In, <–96 dB for Analog Out.
  • Channel Phase Difference: Minimal.
  • Crosstalk: <–100 dB at 1 kHz, <–85 dB at 15 kHz.

Networking:

• Protocols: Supports various streaming and signaling protocols like RTP, UDP, SIP, STUN, etc.
• QoS Support: VLAN tagging and DiffServ QoS.
• Redundancy & Bonding: Supports IP bonding of WAN network interfaces and dual-port redundant streaming.

Encoding, Decoding, and Streaming Protections:

• Supported Formats: MPEG, Opus, AAC, PCM, G711, G722, Qualcomm aptX, etc.
• FEC Support: Forward Error Correction for enhanced reliability.
• Redundant Streaming: Dual-port redundant streaming with spatial and time diversity.
• Adaptive Streaming: Adaptive and resilient audio streaming for varying network conditions.
• Compliance: Full EBU/ACIP compliance.

In summary, the Digigram IQOYA SERV/LINK offers a comprehensive solution for demanding live applications requiring high performance, reliability, and flexibility in IP audio processing and distribution.