Established leaders and up-and-coming contenders vie for dominance in high-definition-DVD and other emerging applications. Successful analysis requires a beefy computer and robust software tools; a ...

Forget superconductors and magnetic fields. Scientists from the University of Tokyo have developed a way to use sound waves to levitate objects and move them around midair. When a sound wave travels ...

As mentioned previously, the characteristics of typical audio signals vary from time to time and therefore we must expect the required bit rate for lossless compression to vary as well. Since the bit ...

I recently received a letter from Tom Lento, a broadcast technology marketing consultant, commenting on my March 5 column about the variance of audio levels in TV programming. Tom writes: "I'd be ...

This column is devoted to the basics of audio compression, a powerful signal-processing technique that is poorly understood by almost all of us. Once again, I hope you find it useful, or that you can ...