VOCAL Technologies

Alango Technologies

VOCAL Technologies, Ltd., founded in 1986, is a leading designer of software and hardware solutions under license for voice, video, and facsimile and data communications. The company develops and applies advanced technologies for superior voice, video, fax and data communications. VOCAL is dedicated to providing its clients with innovative design solutions for the highest quality communications at the lowest cost.


VOCAL offers a range of echo cancellation solutions including acoustic echo cancellers (AEC) and line / network echo cancellers (LEC / NEC). They have extensive experience in the development, integration, and configuration of echo cancellation solutions in a wide variety of products. Solutions include:

  • Acoustic echo cancellation
  • Line/network echo cancellation
  • Adaptive filters
  • Echo tail length
  • Double-talk detection
  • Non-linear processing
ARC-specific Support Details

VOCAL is porting their Echo Cancellation software to the ARC EM Family of processors.

Learn more about how VOCAL and Synopsys work together.