Featured Research Article Archives
DVD Audio & SACD - The Royal Scam Part I
DVD-A and SACD high resolution audio formats had some serious hardware limitations when they were first introduced. This is part of the reason why these formats failed to adopt mass appeal.
DVD Audio & SACD - The Royal Scam Part II
DVD-A and SACD hardware implementation issues still remain 1 year after we wrote about this problem. It's no wonder these high resolution audio formats are doomed to failure.
DVD-Audio vs. SACD vs. CD
As the audio format war continues between DVD-A, SACD and CD, we need to take a close look at not only the pros and cons but what this new marketing push is really all about.
Upsampling vs. Oversampling for Digital Audio
CD Player Redbook: Upsampling vs Oversampling Digital Audio theory and sound quality explored.
THX Select and THX Ultra2 Certification General Questions
This interview with the folks from THX discusses what is behind THX Select and Ultra2 Certifications. We discuss product performance differences based on these certifications.
Damping Factor: Effects On System Response
Much ballyhoo surrounds the concept of "damping factor." It's been suggested that it accounts for the alleged "dramatic differences" in sound between tube and solid state amplifiers. The claim is…
Filter & Crossover Types for Loudspeakers
The filter type can be described in several different ways. Low-pass and high-pass filters in two-way crossover networks are often identified by their "Q". The Q is the resonance magnification of the…
Loudspeakers: When Is Good Enough, Enough? Part 2
In truth, it is very difficult to know for sure how a speaker by itself really sounds unless you can listen to it in an almost perfectly neutral room. Any listening situation short of that perfectly…
Series vs Parallel Networks - First Order Comparison
Despite many of the myths that surround series networks and their acclaimed superiority over conventional parallel networks for loudspeaker design, both networks can be designed with identical…
The Truth About Digital (Class D) Amplifiers
Firstly I'd like to point out that "digital amps" is a misnomer. There are two categories: Analog-controlled class D. Switching amplifiers…