VLSI Demonstrates AMR Vocoder

VLSI Technology (Sophia Antipolis, France) is demonstrating an adaptive multi-rate (AMR) vocoder at this week's CeBit show in Hanover, Germany. According to the IC developer, this vocoder is targeted at GSM phase 2+ phones as well as future UMTS and wideband CDMA (W-CDMA) products.

The new vocoder is designed to improve network capacity and quality of service. It supports all of transmission modes, from 12.2 kb/s to 4.75 kb/s, specified by the European Telecommunications Standards Institute's (ETSI's; Sophia Antipolis, France) GSM 6.70 version 7.00 standard.

The voice codec is implemented on VLSI's Oak+DSP architecture and will be provided as part of the GSM-OneC single-chip solution. This single-chip product provides developers with an integrated solution for quickly developing smaller GSM handsets.