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Barix IP Audio Module 302

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Barix IP Audio Module 302

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Audio encoding / decoding, one serial port, 4 digital I/O, 3.3V supply



Eigenschaften


Beschreibung

The IPAM 302 is a universal, standalone, IP Audio function block which can be easily embedded into OEM products. The module encodes and decodes IP Audio streams from/to analog sources (stereo). Supporting a large range of protocols and codecs the module can be used for both VoIP and IP paging as well as high quality music distribution and IP music streaming applications. Control I/O (one serial port, four digital inputs/outputs) allow the use with UI and control interfaces.

Various software packages for standard applications are available for download from the Barix website, optimized for encoding, audio distribution, paging and intercom, including a full featured SIP client. Custom software can easily be written, based on existing packages from Barix written in the ABCL language.

For hardware integration a development specification with schematic, pinout and suggestions for the layout of a custom carrier PCB is available. Barix Annuncicom60 and Instreamer are based on this module.

The IPAM302 is pin compatible with the Barix IP AUDIO MODULE 300 (decoder only), adding the full duplex capability on the same form factor and power supply.

APPLICATIONS
  • Commercial Audio Streaming Applications
  • Digital Annunciator, Message Player, Message Repeater
  • Generic, bidirectional full-duplex VoIP module for Paging and Intercom 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



    Weitere Informationen


    Audio Interfaces
  • Mic input 118 mVpp max. (with Bias power) Stereo input 2.2 Vpp max., both adjustable in sensitivity
  • Frequency response 20Hz ...20kHz (-3 dB)
  • Dynamic range 90 dB, SNR -89 dB, THD <0.03% (-3 dBFS) Stereo Output 2.37 Vpp max. volume, bass and treble adjustable
  • Frequency response 20 Hz...20 kHz (-3 dB)
  • Dynamic range 90 dB, SNR -90 dB, THD <0.05% (-3 dBFS) I2S bus (inter-IC Sound)

    Audio Formats
  • I2S bus (Inter-IC Sound), Analog stereo out 1.5Vpp,
  • Volume, base and treble adjustable by application
  • G.711 and G.722
  • PCM 16 bit and 8 bit (uLaw, aLaw)@ 8..48Khz
  • MP3 encoding/decoding up to 192/320 kbps
  • OggVorbis
  • AAC+(deconde only)

    Note: AAC+ requires separate licensing by OEM

    Network Interface
  • 10/100 Mbit Ethernet (Auto), TCP/IP, UDP, RTP, HTTP, DHCP, SNMP, AutoIP, SonicIP, IPzator

    Misc. Interfaces
  • TTL Level UART 300..230’400 Baud
  • Outputs for 2 dualcolor Ethernet status LEDs,
  • 4 General Purpose I/Os, 1 input for reset button,
  • 2 status LED outputs, USB1.1 interface for memory

    CPU / Memory
  • Integrated CPU /MAC/IO controller with on-chip 256 KB RAM, 2 KB EEprom (configuration), 2 MB Flash memory (application and web server content)

    Operating System
  • Embedded, robust OS, IP stack with Multicast support

    User / Application Interfaces
  • Integrated web server (control/configuration),
  • browser based, serial or Ethernet control API,
  • programmable software environment

    Power requirements
  • Single 3.3 VDC, 1.6 Watt max.

    Weight, dimensions
  • 14 g approx.
  • 2.2“ x 1.3“ x 0.39“, 56mm x 33mm x 10 mm

    MTBF
  • Min. 1200 000h acc. to MIL217F at 40°



    PDF

    Dokumentation PDF Barix IP Audio Module 302 Datasheet (265.2 kB)

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