Recent Audio Technology Articles
Dirac Live Bass Control And HEOS Updates For Denon & Marantz!
Dirac Live Bass Control is now available for select Denon and Marantz products! Masimo also overhauled their HEOS app for a better wireless/streaming audio experience. Read on
Audyssey DSX 10.2 Surround Sound Overview
Audyssey as a company is sort of a brain trust that creates and licenses signal processing solutions. They employ the sciences of psychoacoustics, acoustics, signal processing and use highly complex …
THX Media Director
THX Ltd. today introduced THX Media Director, formerly codenamed “Blackbird,” to simplify home theater set-up and operation. THX Media Director will enable movies, music and other digital media to …
CD Compression Depression Music Industry Idiocracy
Imagine, if you can, going to Paris to see the Mona Lisa. You wait in line for hours only to come to what appears to be a postcard of the Mona Lisa placed where the original had been. You ask the …
Video: Dolby Interview at CEDIA 2007
Craig Eggers is interviewed by our own Gene DellaSala to discuss the next generation AV receivers and HD/Blu-ray DVD players which enable the user to have an experience in the home that is equivalent …
Dolby Labs CES 2007 Video
Craig Eggers talks to us about Dolby Labs new technologies that are part of the high definition audio and video formats hitting the consumer electronics market including Dolby TrueHD and Dolby …
Exploring Digital Audio Myths and Reality Part 1
By: Chris Tham This is part one of a set of articles exploring some common myths and…
Dolby Digital LIVE Technology Overview
We are consistently asked about connecting a PC to a home theater system. It's not as easy as it sounds. For example, while many sound cards on the market can pass Dolby Digital and DTS "raw" signals …
DTS Interactive Technology
Many people have asked us about connecting a PC to a home theater system. It's not as easy as it sounds. For example, while many sound cards on the market can pass Dolby Digital and DTS "raw" signals …
Understanding Surround Sound Production
When our friends at DTS offered to fly me to San Francisco to cover a seminar they were putting together, I was intrigued. From it's somewhat generic sounding title I was at a loss to figure out …
The Case for NOT going above 0 dBFS For Digital Playback Systems
I first became aware of this issue back in the early 90's when I was testing a DAC that used a Burr-Brown Digital Filter and D/A Converter. I observed that the 1kHz square wave test from CBS CD1 test …
Issues with 0dBFS+ Levels On Digital Audio Playback Systems
When you make a digital recording, an analog waveform (represented by an electrical signal with a continuously varying voltage) is sampled at regular intervals and converted to a set of numbers. …
Dynamic Comparison SACD vs CD ‑ Part 5
Reprinted with the Permission of Christine Tham. Visit her very informative website at: …
Dynamic Comparison of LPs vs CDs ‑ Part 4
Yes, you have heard all the arguments before, and you are probably sick and tired of it. LP vs digital is a "religious war" that has been played out by various audiophiles ever since the CD format …
Dolby Digital vs. DTS: A Guide to the Strengths of the Formats
With the advent of home theater, consumers are continually demand higher performance. As technology improves and becomes more competitive, increased performance is realized at lower cost to the …
THX Games Mode Overview
THX' new Games Mode is a brand new audio post-processing technology and listening feature for THX Certified Home Theatre components. Games Mode enables video game enthusiasts to experience truly …
What is Dolby Digital Surround?
Dolby Digital is the next step forward in sonic realism and listener involvement. It has already changed the way you experience your favorite films in movie theaters, and is now doing the same for …
Audio Lip Sync ‑ The Next Big Feature?
In the "good ole days" of pre-HD CRT displays, audio and video processing took about the same amount of time resulting in almost no significant delay problems. Back then, no one had to worry about …
2003 Preamp‑Processor and Receiver Wish List
In light of our most recent findings with many of today's receivers and preamp/processors, we have prepared a "wish list" to assist manufacturers in developing their next generation of products with …
Current Trends in the Recording Format Arena P1
As many of us have noticed over the past ten years or so, CD recording quality appears to be going on a downhill trend. Remarks are commonly made by consumers and professionals that many earlier …
Current Trends in the Recording Format Arena P2
SACD has no digital filter and relies totally on the analog low pass filter at the output of the DAC. This gives SACD a very distinct improvement in transient response vs. the standard CD. SACD also …
Brick Wall Digital Filters and Phase Deviations
Over the years controversy has raged back and forth on whether brick wall filters used in digital audio (namely for CD playback systems) exhibit phase shifts in the audio band (20Hz to 20kHz). Audio …
Dynamic Comparison of CD, DVD‑A, SACD ‑ Part 1
Reprinted with the Permission of Christine Tham. Visit her very informative website at: http://users.bigpond.net.au/christie/ Diana Krall's The Look…
Dynamic Comparison of CD, DVD‑A, SACD ‑ Part 2
My previous comparison of 2-channel recordings of the title track of Diana Krall 's The Look Of Love on CD, DVD-A (Group 2 - MLP 2.0 96/24) and SACD (2-channel) versions yielded a surprise in …
Dynamic Comparison of CD, DVD‑A, SACD ‑ Part 3
Sometime ago you will recall I did two articles comparing stereo versions of Diana Krall's Look of Love on DVD-A (96/24), SACD (DSD) and CD (44.1/16). In Part 1 , I discovered that my recording of …
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.