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1U stereo IP Audio codec with 2x I/O channels among 2x mono analog



Digigram IQOYA-XLINK-ST Figure 1

IQOYA X/LINK-ST is a 1U rack IP audio codec designed for the delivery of a stereo source (or two mono sources) over IP networks for STL and SSL links, but also DVB audio and WEB radio. It can be used in legacy analog or AES/EBU audio infrastructures, as well as in full-IP audio infrastructures (AES67, Ravenna, Livewire), making it a good investment for the migration to IP audio. Like all the IQOYA products, X/LINK-ST is based on the Fluid IP technology which offers the redundant dual streaming feature, allowing for reliable IP streaming over inexpensive IP links. Based on a low consumption and fanless powerful hardware platform, IQOYA X/LINK-ST is designed for 24/7/365 use.

Main Features:
• Adapted to your current legacy audio infrastructure, and to your future full-IP audio infrastructure
• Simultaneous delivery of your audio program to transmitter sites, WEB radio CDNs, DVB multiplexers, and other studios, in multiple audio formats
• Designed for audio service continuity and failsafe operation
• Easy integration into existing SNMP based supervisors (SET, GET, Traps)
• Ongoing product support with flexible options

• 2 balanced analog audio I/Os with 24 bit converters, and 1 stereo AES/EBU I/O with hardware sample rate converter, and 2 AES67 or Ravenna or Livewire I/Os
• 2 internal redundant PSUs 100-250VAC (Optional 100-250VAC / -48VDC) (Max 15W consumption)
• 8 GPI/8 GPO on Sub-D25 connector
• 1 RS232 port for serial data tunneling
• 4 network ports 1 x 100 Mbps + 3 x 1Gbps on RJ-45 connectors
• RTP/UDP, Icecast/Shoutcast, HLS, SIP/SDP, STUN
• DHCP, IGMPv2 and v3, QoS (VLAN tagging, DSCP)
• Audio encoding formats: PCM linear 16/20/24 bits, ISO MPEG-½ Layer II and Layer III, MPEG-4 AAC-LC, AAC-LD, HE-AACv1, HE-AACv2, AAC-ELD, Opus
• Dual port redundant streaming with spatial and time diversity (Fluid-IP)
• Adaptive and resilient audio streaming (Fluid-IP)
• Selectable FECs for ACIP/RTP streams (from +10% to +100% IP bandwidth) Pro-MPEG CoP #3 FEC for MPEG-TS streams
• Simultaneous multi-format encoding and multi-protocol streaming of the audio sources allowing to address FM, satellite, and web distribution at the same time
• Tunneling of physical or IP serial data and GPIs (including RDS-UECP)
• Insertion of metadata to Icecast/Shoutcast streams (yellow pages and on-the-fly)
• Network traffic separation (WAN, LAN, Management)
• Configuration and monitoring via intuitive Web GUI and via SNMP
• Hardware by-pass of the audio inputs to the audio outputs (analog and AES/EBU)
• 3 decoding priorities per output program with choice of the audio source on each priority: IP stream, playlists on SDHC card, or audio inputs. The switch between decoding priorities is automatic according to adjustable criteria
• Silence detection on the audio inputs and on the received IP audio streams
• AES transparency without the need of an external GPS synchronized clock
• Available clock synchronization are internal, AES/EBU inputs, PTP, livewire clock
• Unicast, multi-unicast, multicast, multi-multicast addressing
• Optional: Audio output synchronization of decoders based on NTP or PTP
• Optional: Transcoding (EBU/ACIP RTP, Icecast/Shoutcast, MPEG-TS)

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