Hardware audio encoder

Barix Instreamer

Take the analog feed off your mixer and put it on the internet with no computer in between. The Instreamer sits in the rack, encodes in real time, and dials our SHOUTcast or Icecast servers over its own Ethernet port - coming back by itself after a power cut. It is the box most stations end up with, and it has been doing this job for longer than most streaming companies have existed.

Radio streaming
MP3, PCM, G.711 and G.722 SHOUTcast and Icecast source No PC in the chain

Already have an Instreamer? Then there is nothing to buy. The tutorial walks you through pointing it at Primcast, and it takes a few minutes. Follow the setup tutorial

Inputs and encoding

The Barix Instreamer is simple and versatile. Take your analog audio signal and turn it into digital MP3, PCM, G.711 or G.722 formats. Supported streaming protocols include TCP, UDP, SHOUTcast and Multicast RTP.

Barix Instreamer front and back panel connectors
Front and back: RCA audio in, RJ45, a headphone jack, RS-232 and micro USB power.

Applications

  • SHOUTcast/Icecast source encoder
  • Live IP audio encoder for streaming applications
  • Source encoder for IP audio distribution applications
  • Background music and music-on-hold encoder for VoIP applications
  • Low latency IP audio encoder for multichannel applications
  • Confidence monitoring and vox switch for broadcast applications

Features

  • MP3 encoding (low latency)
  • SHOUTcast/Icecast source capability
  • Line level input (stereo)
  • IP streaming via TCP, UDP, RTP, Multicast
  • G.711, G.722, PCM linear encoding
  • Audio level supervision with SNMP trap generation
  • RS-232 serial port
  • Power supply (micro USB)

Technical specifications

What is on the connectors, what it draws, and what it will encode.

Power, network and audio in
Electrical
  • 5V, max. 1A through Micro-B USB connector
  • External power adaptor, 100-240VAC, 5W, included
Ethernet
  • RJ45, 10/100Mbps auto, Link & Activity LEDs
  • Protocols: TCP/IP, UDP, RTP, DHCP, SNMP, SIP
  • AutoIP, SonicIP, IPZator to ease address assignment
RS-232
  • 300..230'400 Baud asynchronous, 7/8 bit
  • DSub 9 pin male
  • Serial tunnel, control and metadata input support
Audio input
  • RCA connectors, unbalanced, 2 kOhm impedance
  • Clipping level 5.3 dBu, 4 Vpp
  • Frequency response (-3dB) 20..20'000 Hz *
  • Signal to noise ratio 89dB, THD <0.03%
  • Stereo crosstalk -89dB
  • Input signal attenuable by software setting (-3..+19.5dB)

* depends on used codec, best results @48kHz PCM

Output, formats and build
Headphone output
  • 3.5mm jack
  • Volume adjustable via browser
  • Announcement of IP address (SonicIP)
Audio formats
  • MP3, encoding/decoding up to 192/320kbps
  • VBR and CBR support
  • PCM 16bit @8, 16, 22.05, 24, 32, 44.1, 48 kHz
  • G.711, uLaw, aLaw (sample rates same as PCM)
Mechanical
  • Aluminum case, 225g, separate mounting bracket
  • 4.25" x 1.5" x 3.1" (108mm x 38mm x 78.7 mm)
Software environment
  • Proprietary multitasking OS
  • Application firmware packages available from Barix
  • Development environment for custom functionality
  • ABCL development kit available free of charge
MTBF Min. 540 000h (calculated according to MIL217F at 25°C)

Not sure it is the right one?

Tell us how the studio is wired and what has to stay on air, and we will say whether the Instreamer covers it or whether one of the other encoders fits better. It costs nothing to ask, and we would rather you bought the right box once.

Book a call