Barix MA400 SIP Opus Codec

The MA400 SIP Opus Stereo Encoder/Decoder enables remote contribution links with SIP and the high-quality, open audio format Opus in a cost-effective solution. The advantages of the royalityfree Opus codec are its quality, efficiency and low latency. Combined with SIP functionality to establish seamless links across VoIP and other IP based communications systems it is ideal for remote contribution applications. The SIP functionality in the Barix unit allows to dial antoher device or audio replies to a call and automatically negotiate a transmission link for Opus based audio streaming.

articularly interesting is the MA400 SIP Opus Stereo Encoder/Decoder for remote contribution back to the studio such as from sporting events. It combines Barix well know reliabilty in broadcast as well as in SIP-based telephony with the bandwidth efficiency of Opus,enabling easy high-quality audio linkts to and form the studio. Barix SIP Opus solution family consists of the mic and line input / bi-directional mono MA400 SIP Opus Stereo Encoder/Decoder with PoE; the stereo decode only M400 SIP Opus Decoder as well as a forthcoming XLR based stereo versions,all allowing extremely cost-effective deployment.


Excellent for Remote Contribution

• Bi-directional mono Opus codec
• Microphone / line level input
• Audio level supervision with SNMP trap generation
• Support of multiple coding standards
• Line Level output (balanced)
• Amplified output 5W (8 Ohm)
• Poer over Ethernet (PoE)

Use Cases
The SIP Opus Codes is perfect for remote contribution, STL and SSL.
SIP based Studio to Transmitter link
Live audio codec for sports or event contribution
SIP based Studio to Studio Link.

Technical Specifications for MA400 SIP Opus Codec User Interface

• Web interface for control, status and configuration
• HW reset button, two LEDs for status signaling

1 Ethernet Interfaces

• RJ45 10/100 Mbit auto detect (802.3af PoE)
• IPv4
• RS232 (tunneling between 2 units supported)

Supported Codecs

• G.711 (uLaw and aLaw)
• Speex
• GSM
• G.722
• iLBC
• OPUS

Sampling Rate

• 48 KHz

Opus Bandwidth

• Network auto-adaptive up to 256Kbps

SNMP Support

• dial, hangup, status,traps

MTBF

• >500000h (according to MIL217F at 25°C9

Simple Player Decoder
Alternative to the SIP Opus function, the unit can be
put into SIMPLE PLAYER mode decoding MP3 or
AAC+ stream over HTTP or RTP. No Encoding or
SNMP supported in this mode.
Aduio Input (mono)

• Characteristics/mode selectable by software:
  "Mic" mode:bias power for electret microphone
  "Line"mode: 2kOhm input impedance 3.9VPP max,
  adjustable in sensitivity
• Frequency response 20Hz .. 18 kHz (-3dB)
  Dynamic range 87 dB, SNR -87 dB, THD <0.1%
  (-3 dBFS)

Analog Line Output (mono)

• Transformer isolated, balanced (600 Ohm) Output level
  software controllable
  Full scale output voltage: 5.7 dBu, 4.2 VPP,
  4.7 dBm @600 Ohm
• Frequenncy response 30Hz .. 18 kHz (-3dB)
• Dynamic range 88 dB, SNR -88 dB, THD 3dBFS)

Speaker Out

• 5 Watt max output power @ 8Ohm
• Frequency response 25Hz .. 12 kHz (-3dB)
• Dynamic range tba, SNR tba, THD <1% (-3dBFS)

Case & Weight

• Aluminum case, 280g
• 108x38x78,7mm (4.25x1.5x3.1 inch)
• Rack mountable using optiional accessory

Operating Environment
0°C to +50°C / 32°F to 122°F
0 - 70% relative humidity, non-condensing

Storage Conditions
-20°C to +70°C / -4° to 158°F
0 - 70% relative humidity, non-condensing


Certifications
CE, RoHs, others in examination


Ordering Information
2019.9260 MA400 SIP Opus Codec