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Technical Documentation “Instreamer “ - V4.03 - 24th October 2013

1 Introduction

1.1 About the “Instreamer ” firmware

The “Instreamer ” firmware is designed to serve as a versatile, network-enabled analog and digital audio-to-Ethernet converter for commercial audio

distribution.

The “Instreamer ” firmware converts audio from any analog or digital device into G.711 (8 bit), PCM (16 bit) or high-quality MP3 streams. The audio is

encoded in real-time, and the generated audio stream can be distributed, via an IP-based network or the Internet, to one or more receivers or

Shoutcast / Icecast-servers.

Barix devices running the “Instreamer ” firmware can be easily managed via a web browser interface using PCs, web pads, PDAs or other web-

enabled devices. SNMP remote monitoring capabilities allow for building a manageable distributed audio network. With serial and Ethernet control

APIs, open IP-standards, and the standard encoding formats, the device can also be integrated with other components, controlled by automation

systems, or used with Barix Exstreamers to create more flexible, more cost-effective distributed audio systems.

The built-in serial interface allows data to be relayed to another Barix device, a PC or a server using the “Serial Gateway” functionality of the

“Instreamer ” firmware.

With an optional stick-on transmitter, additional IR-enabled devices can be remote controlled via the network connection, enabling users to control

their audio sources without being in the same location as the device.

1.2 Features

• Generates MP3 streams at adjustable bit rates (VBR) from analog or digital (optical/coaxial S/P DIF) sources

• Generates G.711 (aLaw/uLaw) streams at 8, 12, 24 or 32 kHz sample rate from an analog source

• Generates PCM (16 bit) streams at 8, 12, 24 or 32, 44.1, 48 kHz sample rate from an analog source

• Supported stream connections: HTTP, BRTP, RTP, SIP, Raw UDP, Raw TCP, Icecast and Icecast ID3 source, Shoutcast source

• Supports stream authentication (HTTP, Shoutcast, Icecast)

• 10/100 Mbit Ethernet connection supports automatic network configuration (BOOTP, DHCP, AutoIP and IPzator) as well as manual static IP

configuration

• Features SonicIP® announcing the IP address on power up over the audio outputs

• Control and configuration using a standard web browser

• Remote monitoring using SNMP

• Remote controllable using HTTP, TCP and UDP

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