Advances in Speech Enhancement on Voice-over-IP Applications
By Jerry Skene
For the vast majority of
customers, voice quality is the number one priority. As the circuit-switched telecom network is grafted
onto a packet-based network, past performance is no longer a guarantee of future quality. By examining speech
enhancement technology advancements, this article tackles the audio quality problems associated with today's VoIP
systems.
RF Design of a Cellular/PCS Handset, Part 2
By Eduardo Sztein
This second part of our two-part TDMA design
series delves into the world of frequency synthesizers, which are critical to both
receivers and transmitters. From there, the article moves on to transmitter design considerations.
The Next-Generation PBX Architecture
By Philip Fote
The telecom landscape has changed drastically over the past 10 years. This change calls for a "single-box" PBX architecture
to handle the convergence of voice, data, and video traffic. This article
discusses this new architecture and its hardware and
software considerations in detail.
Application-Specific RTOSes: A Buyer's Guide
By Janine Sullivan
Choosing a commercial RTOS has finally become simplified for embedded Internet and wireless product developers. What
was once a leisurely-paced development cycle, now requires an off-the-shelf OS that will allow rapid entry into the market.
This reference guide discusses the criteria for
buying an RTOS today and how important third-party software is to the
communication market. A product table and vendor list are also provided.