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Workshop on active loudspeaker design
Audio DesignLine Blog  
3/19/2013   Post a comment
An upcoming live event/webcast offers the opportunity to learn active loudspeaker design tricks of the trade from a variety of experts in the field, including Peter Eastty and Ian Dennis.
Custom EQing headphones for your ears
Audio DesignLine Blog  
1/30/2013   4 comments
Finding out the perceived frequency response of your combined headphone/ear 'system' and compensating for it using parametric equalization can offer some eye-opening benefits. But finding an EQ solution isn't always easy.
DIY laser mic, visualizing sound waves, iPhone 5 DAC
Audio DesignLine Blog  
11/28/2012   Post a comment
Some recent audio-related items that caught my eye include a DIY laser microphone "spy" system, a video showing how to make sound waves visible, and a close-up look at the DAC inside the iPhone 5.
Audio turboencabulator
Audio DesignLine Blog  
10/24/2012   2 comments
The Pseudoacoustic Infector acoustic stimulator offers users the ability to "add bits of this and dashes of that" along with other "features" too numerous to mention.
Apple EarPods: Inside and out
Audio DesignLine Blog  
9/25/2012   2 comments
Here's the take on Apple's new EarPods - the earphones announced along with the iPhone 5 - including a teardown of the EarPods, initial reviews, and patent information.
Consumer audio: Is accurate sound overrated?
Audio DesignLine Blog  
8/29/2012   35 comments
Should high-end headphones and speakers be designed for "good sound" rather than for technical accuracy? One consumer audio blogger thinks so.
Listen to the Higgs boson
Audio DesignLine Blog  
7/24/2012   1 comment
"Sonified" data from the Large Hadron Collider offers some musical - and some not so musical - interpretations on the sound of the "God particle."
Audio design competition for students
Audio DesignLine Blog  
6/26/2012   2 comments
Student engineers (or hobbyists) can have their innovative audio hardware or software designs reviewed by a panel of pro audio manufacturers, product designers, and end users at this year's 133rd Audio Engineering Society Convention.
More on digital audio formats: 24/192, iTunes optimized, adaptive
Audio DesignLine Blog  
3/20/2012   5 comments
Some interesting follow-up news items in the wake of Neil Young's recent comments about MP3s and the quality of digital audio include an argument against 24/192 downloads, guidelines for 'mastering for iTunes,' and a new adaptive HD audio format in the works at Apple.
Neil Young: Say No to MP3s
Audio DesignLine Blog  
2/22/2012   53 comments
Musician Neil Young says we need to save music from MP3s (and other lossy audio formats). But does music quality need rescuing, and is a new hi-res audio format the answer?
Faster FFT, young listeners and MP3s & LPs
Audio DesignLine Blog  
1/25/2012   Post a comment
Some recent audio-related items that caught my eye include a Fast(er) Fourier Transform, a new study on the 'iPod generation' and MP3 sound, a poll on younger listeners and LPs, and a 'circuit' diagram that's reminiscent of some DIY audiophile designs.
Top ten Audio Designline articles for 2011
Audio DesignLine Blog  
1/3/2012   Post a comment
Here are the top ten (most popular) technical articles on Audio Designline during 2011.
AES 2011 videos: Audio analyzers, USB audio, DSPs & more
Audio DesignLine Blog  
11/28/2011   1 comment
Here are some short videos from the recent AES show floor, highlighting demos of some audio analyzers, a low-cost USB DSP kit, a TV/radio dialogue enhancement technology, and a "Pro Audio in a Box" platform.
AES 131st Convention photo gallery
Audio DesignLine Blog  
10/26/2011   Post a comment
A photo gallery from the show floor of the recent 131st AES Convention in NYC includes photos of everything from exhibits and audio product demos to audio publications and even an electromechanical Rastafarian!
Audio amp UI design: Creativity vs. usability
Audio DesignLine Blog  
9/21/2011   8 comments
If choosing a front panel design for a headphone amplifier would you go with a creative, unique look or something more traditional and functional?
More audio-related iPhone apps
Audio DesignLine Blog  
8/24/2011   1 comment
There's no shortage of interesting audio-related apps for the iPhone and iPad - everything from audio test instruments to music creation tools to games - and some can even be had for free.
Audio listening enjoyment: Do technical specs matter?
Audio DesignLine Blog  
7/27/2011   14 comments
When it comes to audio listening enjoyment, it isn't always about the specs.
Audiophoolery, father of computer music & how to listen
Audio DesignLine Blog  
6/22/2011   1 comment
The latest audio-related items that recently caught my eye include free listener training software, a look back at the life and work of a computer music pioneer, and more "audiophoolery" - this time in a column at Slate.
Audio subjectivist vs. objectivist debate
Audio DesignLine Blog  
5/25/2011   4 comments
The audio subjectivist vs. objectivist debate has flared up once again, this time triggered by a critical hardcore engineering-based review of a popular DIY audiophile headhone amp.
Audiophile/physicist advances 3D audio
Audio DesignLine Blog  
3/23/2011   3 comments
A new 3D audio technology using a crosstalk cancellation technique works with stereo loudspeakers and can be used to enhance existing stereo recordings.
E-books and audio: are you listening?
Audio DesignLine Blog  
3/7/2011   1 comment
In this guest blog post, Zatil Hamid of TI considers some of the algorithms and tools that are being added in to e-books to ensure a high quality listening experience for the end user.
MCU symphony, extreme mics, car tape decks, lossless audio
Audio DesignLine Blog  
2/23/2011   4 comments
Recent audio news includes an MCU-based symphony, behind the scenes at the home of some of the industry's most expensive microphones, R.I.P. pre-installed car cassette decks, and audiophile confusion over lossless audio.
Audio-related iPhone apps abound
Audio DesignLine Blog  
1/26/2011   2 comments
Audio utilities, test & measurement, games and even a vuvuzela app are just a few examples of interesting audio-related apps I've run across since getting my first iDevice a month ago.
Remembering W. Marshall Leach Jr. (and his low-TIM amp)
Audio DesignLine Blog  
12/21/2010   2 comments
The audio field lost a major figure recently with the passing of W. Marshall Leach Jr.
Walkman R.I.P., Audi sound
Audio DesignLine Blog  
11/23/2010   6 comments
My take on the fate of the Walkman (maybe it should be renamed the "WalkingDeadman") and on the efforts by Audi - and other companies - to find the "right sound" for their products.
Putting an audiophile "tweak" to the test
Audio DesignLine Blog  
10/27/2010   15 comments
A longstanding audiophile product - a "quantum/superconducting"-based device that claims to achieve previously unnattainable "levels of signal purity and transparency" - undergoes some objective tests by some skeptical audio DIYers.
129th AES debuts Product Design Track
Audio DesignLine Blog  
9/22/2010   Post a comment
The upcoming 129th Audio Engineering Society (AES) convention in San Francisco will offer - for the first time - a dedicated Product Design Track featuring more than 20 events focused on audio product development.
Why is NASA audio so bad?
Audio DesignLine Blog  
8/25/2010   51 comments
Posters at an audio forum offer up a variety of reasons (some serious and some not-so serious) for the low audio quality of NASA space mission communications.
Audio cable break-in, analog vs. digital nonsense
Audio DesignLine Blog  
7/21/2010   26 comments
A couple of recent examples of audio silliness show how two groups - audiophiles and popular "audio" columnists - seem to remain immune to any increased technical understanding of audio.
Audio awareness - a winner at the 2010 FIFA World Cup
Audio DesignLine Blog  
6/22/2010   4 comments
Who'd have guessed that the Soccer World Cup would become a vehicle for millions of people to learn more about acoustics and audio processing?
Test your hearing (and other audio skills) online
Audio DesignLine Blog  
5/19/2010   Post a comment
Test your hearing ability - including frequency response, ability to hear/understand speech over ambient noise, and tone deafness - with these online tests.
Generalisimo Francisco Franco is still dead - and so is Vinyl
Audio DesignLine Blog  
5/5/2010   1 comment
Music shipment data is out for 2009, and a graph of that data helps put the popularity of the various formats - i.e., digital downloads, CD and vinyl LP - into perspective.
The RCA phono plug: An outdated relic?
Audio DesignLine Blog  
4/21/2010   7 comments
When it came to choosing the RCA phono plug as a standard for consumer audio (and video) applications, "cheap" and "simple" clearly won out over technical considerations.
Cardboard packaging doubles as record player
Audio DesignLine Blog  
4/7/2010   5 comments
Designed as a marketing piece, a direct mail promo made from corrugated cardboard and containing a 45-rpm record converts into a functional record player.
Research reveals wireless, laser-powered nanotube speakers
Audio DesignLine Blog  
3/24/2010   Post a comment
New research shows that acoustic speakers made from carbon nanotubes can be powered by lasers, offering the possibility of invisible, wireless speakers that can be attached to any surface.
What's the iPad missing as an audio device?
Audio DesignLine Blog  
3/10/2010   Post a comment
With all of the hype lately over the Apple iPad, the device's audio capabilities (or lack thereof) don't seem to have received much attention.
Acoustic metamaterials: Solution for noisy neighbors?
Audio DesignLine Blog  
2/24/2010   5 comments
Acoustic panels consisting of latex membranes and plastic buttons might offer an economical solution to blocking annoying bass frequencies.
Audio Myths Workshop video
Audio DesignLine Blog  
2/10/2010   Post a comment
This video of the Audio Myths workshop held at a recent AES show covers topics like the nature of human perception, "placebo tweaks," proper testing methods and examples of artifact audibility, among many others. A list of 20 topics and when they occur in the video is included here for easy reference.
Video interview with MP3 co-inventor
Audio DesignLine Blog  
1/27/2010   Post a comment
One of MP3's inventors discusses how the audio compression technology works, its origins and success, its real (and perceived) problems, and some practical tips, as well as what's next for MP3.
Vinyl vs. CD myths refuse to die
Audio DesignLine Blog  
1/13/2010   60 comments
I still get emails from non-technical vinyl LP fans who insist that the legacy format is technically superior to CD/digital, and one Web site in particular is partly to blame.
Networked audio rules!
Audio DesignLine Blog  
2/23/2009   1 comment
My experience with one of the latest network audio players only further confirms the impending demise of the CD.
How to measure audio quality in portable media players
Audio DesignLine Blog  
2/16/2009   1 comment
These short training videos from Cirrus Logic cover the basic equipment and source material you'll need, how to define test set up and load conditions, some basics of audio tests and more!
Spoof video: Thank you, engineers, for the MP3 player
Audio DesignLine Blog  
11/19/2008   Post a comment
A series of short, spoof videos thanking engineers for their many innovations includes a look at what the world might be like without MP3 players.
Special audio section in EE Times highlights AES
Audio DesignLine Blog  
9/4/2008   1 comment
A special section on "advanced audio" in the September 8th issue of EE Times offers a selection of articles from AES contributors on topics ranging from PC audio and ADC buffer design to balanced audio and even one designer's musings on his six biggest digital audio mistakes.
New monthly audio newsletter
Audio DesignLine Blog  
8/6/2008   Post a comment
The first issue of a new monthly audio email newsletter is being sent out on Thursday. Sign up now in order not to miss the latest audio design tutorials, products and news. (If you were subscribed to the previous weekly newsletter, you'll automatically receive the new monthly newsletter.)
Another shot fired in the "loudness war"
Audio DesignLine Blog  
6/25/2008   1 comment
A new CD release made directly from an LP master is the latest example of a music artist fighting back against the pervasive use of extreme dynamic range compression in popular recordings.
MP3 player audio quality tests: Some surprises
Audio DesignLine Blog  
6/18/2008   1 comment
CNET compared the measured audio quality of a variety of MP3 players based on frequency response, THD+N, and SNR - and the winner isn't who you might think.
Study: How does the brain separate audio signals from noise?
Audio DesignLine Blog  
6/11/2008   Post a comment
By measuring brain responses of listeners performing an auditory detection test (hear it for yourself) researchers have moved closer to solving the mystery of how the human brain extracts meaningful signals from noisy acoustic environments.
Is MT9 the new MP3?
Audio DesignLine Blog  
6/4/2008   Post a comment
A new multi-channel digital music file format that some claim will become the "new MP3" gives users the ability to remix the audio content in the file.
AES Amsterdam: A selected virtual tour
Audio DesignLine Blog  
5/28/2008   1 comment
Although I wasn't able to make the recent AES Convention in Amsterdam, that didn't stop me from putting together a virtual tour of sorts.
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