Tieline ViA Field Portable Audio Codec

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Tieline ViA Field Portable Audio Codec

It's time to reimagine remote broadcasting with the definitive remote codec of our generation.
Tieline's revolutionary new ViA portable codec sets a new standard in wireless remote broadcasting and will fundamentally change the way you perform live remotes.


Remotes without limits

  Our mission is to empower you with the technology to go live where no broadcaster has been before, and make it simpler. To achieve this, ViA delivers more IP choices and backup options than ever before. 

 Connect using dual LAN Ethernet ports, or 2 USB modems, or use the on-board Wi-Fi module to connect over Wi-Fi.

Insert an optional POTS or ISDN module and the codec is instantly transformed to connect over alternative network transports. This means you can configure primary and backup connections over different network transports as required, or use them as your IFB circuit.


Fuse-IP and SmartStream PLUS

With Tieline's proprietary Fuse-IP data aggregation technology you can bond multiple IP interfaces, including options like: 2 USB modems, or On-board Wi-Fi, or Dual Ethernet LAN Ports. 

ViA Network InterfacesImagine the peace of mind knowing you can bond 2 USB modem data links from different Telcos and let Tieline's Fuse-IP technology automatically manage the data capability of each link! Tieline understands flexibility is paramount for remotes, so you can even bond a USB modem with a Wi-Fi connection, or bond Ethernet connections.

 ViA also includes Tieline's SmartStream PLUS dual redundant streaming software, which has set the benchmark for redundant IP streaming over the public internet. Some manufacturers charge thousands of dollars for IP management software like SmartStream PLUS as an optional extra, however Tieline believes high performance and rock-solid reliability is an essential part of each and every broadcast, so you get it for FREE! Nobody likes a traffic jam, least of all broadcasters dealing with IP packet congestion! With Tieline's SmartStream PLUS and Fuse-IP technologies, as well as automated jitter buffer management and error correction strategies, you can be assured of trouble-free motoring on the information superhighway!


Program and Communications

ViA seamlessly integrates with Tieline's Merlin and Merlin PLUS audio codecs to transmit high fidelity, full duplex stereo program audio with a separate bidirectional IFB circuit. As an example, you could use a USB data modem to broadcast your main program feed and another USB modem or Wi-Fi to transmit your IFB circuit. Now that's flexible!



  • Intuitive, simple to connect LED touch screen
  • Supports 2 separate mono connections, stereo, or stereo plus a separate IFB circuit (all connections bidirectional)
  • Dual Gigabit LAN ports
  • Optional ViA ISDN & ViA POTS interface modules
  • Inbuilt Wi-Fi and 2 x USB cellular options
  • Bonding of multiple IP interfaces with Fuse-IP
  • Includes SmartStream PLUS as standard
  • Automated backup over IP, ISDN or POTS
  • Linear audio plus a wide range of algorithms as standard, including Opus, Tieline Music and Music PLUS, aptX Enhanced, MPEG1 Layer 2, MPEG 3, LC-AAC, HE-AACv1 & v2, AAC-LD, AAC-ELD, G.711 and G.722
  • Features added with periodic updates
  • Ships with a road case, battery and power supply as standard


  • 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 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 20kHz
  • 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)

    Front Panel Interfaces
  • Display: 4.3 inch TFT Color LED touch screen
  • Navigation: Touch screen or 5 button navigation keypad

  • Dimensions: 5 5/16" (W) x 3 1/4" (H) x 7 7/8" (D)
  • 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: Rechargable Li-ion battery pack RRC2057; 7.5 V, 6.4 AH, 8A; Fast charging; 240g
  • Battery Operation: Up-to 6.5 hours
  • 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)
  • External Battery Charger: Intelligent desktop single bay fast charger. External power supply for worldwide use with input voltage 100-240 VAC.
  • Battery Charge Time (external charger): Charge time with maximum charge current < 3hrs at 25°C
  • 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

Item Includes

  • Road case
  • Battery
  • Power supply as standard