VoIP Audio Matrix

Target: 
12 Inputs/ 12 outputs audio matrix compliant with the EN50155 for VoIP applications.
Solution: 
A BF537 Blackfin DSP with uCLinux was used in conjunction with high quality audio codecs, from Analod Devices. A driver with intensive DMA usage was created for the audio codecs.
VoIP Audio Matrix

This audio matrix was designed to work in hard environmental conditions. Its main characteristics are:
• 16 x 1.5KV isolated audio inputs and outputs in the front.
• 8 audio inputs and outputs in the back
• 10/100 ethernet port in the back
• uCLinux with a BSP for the BF537
• -40º to +85ºC Temperature range

Specification 
Design 
Programming (OS,BSP) 
Integration 
Qualification 
Production