EDN

Error-Resilient Coding for Audio Communication – Part 1: Waveform and CELP Speech Codecs

In this chapter we review the main techniques for error concealment in packet audio. As explained in Chapters 7 – 10, forward error correction (FEC) or repeat ...
EDN

Error-Resilient Coding for Audio Communication – Part 2: Lapped transform codecs

Linear transforms are widely used in signal compression. They have the primary objective of concentrating the signal energy on a few coefficients, thus preparing the data for the subsequent ...
Radio World

The Audio Codec: Redefined

The author is APT product manager for WorldCast Systems. A paradigm shift has been taking place for several years, as we move gradually toward fully networked IP broadcasting facilities in which there ...
ZDNet

Bad broadband, no problem: Google's open-source speech codec works on even low-quality networks

In a bid to put an end to the all-too-familiar choppy, robotic voice calls that come with low bandwidth, Google is open-sourcing Lyra, a new audio codec that taps machine learning to produce ...
Design-Reuse

The Critical Factors of a High-performance Audio Codec - What Chip Designers Need to Know

The market for audio applications and devices has significantly grown over the last couple of years. Applications such as smart speakers, Bluetooth speakers, smartphones, and voice-controlled ...