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IP Audio Module 400

Powerful, Linux-based audio codec which can be programmed with C++, LUA and Python

Powerful and versatile codec (encoding/decoding), Linux based and programmable with a wide range of programming languages, including C++, LUA, Python. Featuring Quadcore Cortex™ A7 processor, USB, serial, digital I/O, WiFi, Mic+Line I/O. Barix can provide the IPAM400 OEM with a Yocto image with advanced firmware download and recovery functions.

Operation System

Yocto (OpenEmbedded), Linux ( Armbian) including update functionality

IPv4/IPv6, security, full fledged linux


User Interface

Web interface for control, status and configuration


Network Interfaces

one physical layer (PHY)

Ethernet interface, IPv4, IPv6 capable


10/100 fdx/hdx, auto negotiation


WiFi Interface

For specifications contact Barix

Power Requirements

Single 3.3V DC supply voltage, +/- 5%, 2A max

Separate Audio ground domain/connection


Serial Interface

2 x UART, one with hardware handshake (TTL level)

1 x USB 2.0 On-the-go

2 x USB 2.0 full/hi/low speed capable host


Memory, Cache

16MB SPI flash

32KB L1 Instruction cache, 32KB L1 data cache

512KB L2 cache

VFPv4 Floating point unit

LPAE and NEON advanced SIMD


* Potential licenses are not included. For licensed Codecs such as AAC+ customer needs to register with the appropriate licensing company.

CPUs / Boot

Quad-Core ARM Cortex™ -A7 (clocked up to 1.29 Ghz)

Separate NEON coprocessor

supports fast boot process from Flash or SD/TF

Crypto Engine Encryption type


Analog Audio

1 x Stereo Output (L&R)

1 x Microphone Input (balanced/unbalanced) or 1 x Stereo Input


Miscellaneous Interfaces

I2S digital audio interface

digital audio interface (S/PDIF)

I2C interface


Peripheral I/O

seven 3.3VDC level digital general purpose I/Os

Flash Memory (Micro SD)

On-board uSD card socket (up to 32GB)


Reset functionality

Reset and Recovery functions on hardware and software triggers



> 950’000h



2.2” x 0.45” x 1.3” / 56.1mm x 11.44mm x 33mm






Two years

IPAM 400 Evaluation Kit (Made in China)

2018.5032 IPAM 400 Evaluation Kit



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