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Tieline ViA Portable Codec

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  • Robust DSP-based architecture designed for rock solid, mission critical broadcast audio.
  • 24 Bit 48kHz audio sampling.
  • 3 Analog Mic/line inputs (input 1 supports stereo AES3 digital audio, or mono AES42 microphone).
  • Stereo analog line input and stereo digital in/out via micro-USB or S/PDIF.
  • Touch screen matrix editor routes any input to any output: includes customized cue/talkback routing for all announcers; save, rename and recall custom matrices as required.
  • Customize headphone mixes via touch screen for 3 headphone outputs.
  • EQ, compression and limiting on all inputs.
  • Output AGC available on all outputs.
  • Touch screen adjustments to digital and XLR output routing, audio levels, send/return balance, plus output mute buttons.
  • Bidirectional Mono, Stereo or dual mono connections.
  • Bidirectional Mono or Stereo plus a separate full-duplex IFB circuit.
  • Uncompressed PCM audio plus the low-delay, cascade resiliant aptX® Enhanced algorithm.
  • Other popular algorithms including LC-AAC, HE-AAC v1 and v2, AAC-LD, AAC-ELDv1 and v2, Opus, MPEG II, MPEG Layer-3, Tieline Music and MusicPLUS, G.722 and G.711.


  • Dual 1 Gigabit (10/100/1000) Ethernet ports support automatic switching for redundancy.Â
  • Built-in Wi-Fi with integrated web-browser: Stream using a cell-phone Wi-Fi hotspot, or connect to hotels and other Wi-Fi access points
  • Primary and backup audio over IP, ISDN* and POTS*.
  • Automated failover to backup connections.
  • SmartStream PLUS dual redundant IP streaming:Â
  • Fuse-IP network bonding (data aggregation): bond any 2 of the 6 available IP interfaces.
  • SIP (SDP) compatible with EBU N/ACIP 3326 for interoperability with other codec manufacturers.
  • Deterministic SIP answering and call routing: Configure up to 6 SIP accounts and connect up to 2 SIP interfaces.
  • Compatibility over ISDN with Worldcast, Prodys, Mayah, CDQ Prima, AETA, AEQ, Orban and more.
  • Compatibility over ISDN using aptX Enhanced encoding with Worldcast, Prodys Prontonet and Mayah.
  • Selectable fixed or automatic jitter buffer: 5 automated settings available to manage network connectivity and avoid dropouts (includes configurable min and max buffer settings).
  • Configurable Forward Error Correction (FEC).
  • Highly advanced error concealment strategies.
  • Real-time IP connection packet statistics.
  • Real-time POTS line quality and IP link quality displayed.
  • Support for Line Hunt dialing/answering and caller IDs using Tieline IP.


  • User-friendly HTML5 Toolbox Web-GUI enables codec configuration and control remotely over WANs.
  • Toolbox Scheduler supports loading/unloading, connecting and disconnecting programs.
  • Auto switching, dual redundant internal AC power supplies.
  • Automated failover to backup connections.
  • IPv4 & IPv6 compatible and ready.
  • Asymmetric algorithmic encode/decode.
  • Low latency in-band RS-232 aux data channel.
  • Configurable software rules engine via web-GUI for Control Port (4 inputs/outputs) functions, plus WheatNet-IP LIO compatibility.
  • Upgrade firmware from SD card.
  • Automated firmware upgrade notifications via Web-GUI.
  • Support for multiple languages: English, Spanish, Portuguese and French.
  • Backward compatible with all Tieline IP codecs.
  • Ships with a road case, battery and power supply as standard


  • User name and password protection of codec and Toolbox Web-GUI.
  • Support for SSL Security Certificate installation.
  • SIP Whitelists and Blacklists allow filtering of SIP URIs and User Agents.
* Modules sold Separately
MPEG Layer-3 audio coding technology licensed from Fraunhofer IIS and Thomson Licensing.


Input / Output Specifications
Analog Audio Inputs 3 x Female XLR mic / line inputs
Analog Audio Outputs 2 x Male XLR
AES3 In (via input 1) 1 x female XLR (Channel 1 in; shared with Ch1 analog input & Ch 1 AES42 input)
AES 42 (via input 1) 1 x female XLR (Channel 1 in; shared with Ch1 analog input and Ch1 AES3 input)
Auxiliary Inputs/Outputs S/PDIF in/out (RCA), or micro-USB in/out, or 3.5mm (1/8″) Jack line input
Headphones Out 3 x 6.35mm (1/4″) Jacks
Control Port In/Out Four relay inputs and four opto-isolated outputs for machine control via a DB15 connector.
Mic Phantom Power Selectable 10V or 48V phantom power on all analog XLR inputs
AES42 Digital Phantom Power 10V nominal
Input Impedance High Impedance  > 5K ohm (line input); approximately 2K ohm (mic input)
Output Impedance <50 ohm Balanced
Clipping Level +22dBu (XLR input and outputs)
A/D & D/A Converters 24 bit
Frequency Response at 48kHz 20Hz to 22kHz
THD and Noise (Analog) < 0.005% (-86dB) at +16dBu unweighted
THD and Noise (Digital) <0.0001% (-120dB) at -1 dBFS
Analog Signal to Noise >90dB at +22dBu, unweighted
Sample Frequencies
IP Sample Frequencies 8kHz, 16kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
IP Tieline Music, Tieline MusicPLUS, G.711, G.722, MPEG-1 Layer 2, MP3, LC-AAC, HE-AAC and HE-AACv2, AAC-LD, AAC-ELD, Opus, 16/24 bit aptX Enhanced
IP (uncompressed) Linear PCM16/24 bit 48 kHz sampling
Data and Control Interfaces
USB 2 x USB 2.0 Host ports
LAN 2 x 10/100/1000 RJ45 Ethernet ports
Advanced Networking VLAN tagging (IEEE 802.1Q,802.1p)
Serial RS232 up to 115kbps with or without CTS/RTS flow control via female DB9 connector, can be used as a proprietary data channel
Protocols supported Tieline, DHCP, SNMP, DNS, HTTP, IGMP, ICMP, VLAN, IPv4/v6, FEC, SIP/SDP (EBU N/ACIP Tech 3326 compliant), RTP, STUN**
ISDN via module Optional via module slot
POTS via module Optional via module slot
Wireless IEEE 802.11 a/b/g/n with dual band support (2.4 and 5 GHz); WPA2-PSK encryption.
Front Panel Interfaces
Display 4.3 inch TFT Color LCD touch screen
Navigation Touch screen or 5 button navigation keypad
 General Â
Dimensions 7 11/64″ x 3 5/16″ x 8 15/32″; 182mm (W) x 84mm (H) x 215mm (D); includes protruding front connectors, rear battery compartment lugs and rubber feet
Weight 1.62 kg (with battery)
Power Li-ion internal battery or external 12VDC 3A Power Supply
Operating Temp. 0°C to 40°C (32°F to 104°F)
Humidity Operating Range 15% ≤RH ≤80% (0 to 35°C/32°F to 95°F), non-condensing
Battery Â
Battery Rechargable Li-ion battery pack RRC2057; 7.5 V, 6.4 AH, 8A; Fast charging; 240g
Battery Operation Up-to 6.5 hours* Â
Battery Storage Temperature Max: -20°C to +50°C (-4°F to 122°F)

Recommended: -20°C to 25°C (-4°F to 77°F)

Battery Charge Time (inside codec with power supply attached) Charge time with maximum charge current < 4hrs at 25°C
Battery Life Expectancy Minimum 300 charge/discharge cycles as per manufacturer’s charge/discharge recommendations

* Battery life may vary depending on the type of connection and power-saving mode configured

** Future Release


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