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Whether you’re an audiophile, studio engineer or just into acoustics, the ASC Newsletter has you covered by delivering interesting, relevant and proven technical advice as well as tips and tech talk. The ASC Newsletter is also the place to find exclusive offers, promo codes and reviews of upcoming ASC product releases
Recent Newsletters
Giant Membrane Bass Traps
Last issue, we learned "why" the IsoWall system works to improve your listening experience. This week, we hear the back story that reveals much of "how" the IsoWall system works,
ASC IsoWall Musical Wall System
At long last, we share the "secret sauce" of the very best sounding HiFi rooms: the IsoWall System. Enjoy this excerpt from an amazingly thorough white paper by ASC founder & president, Art Noxon,
Constrained Layer Damping Construction
Enjoy this excerpt from an amazingly thorough white paper by ASC founder & president Art Noxon, PE that we link below. View the original white paper Constrained Layer Damping Construction Back
Wall Shudder in the Listening Room
Does your sound system generally give great results, but certain tones tend to cause an overwhelming boom, sometimes accompanied by a rattle? Audio-minded people are mostly aware of room
TubeTrap Fine Tuning
This concludes our series from the groundbreaking article from 1989 by IAR editor J. Peter Moncrieff. As hinted previously, you will need to use your ears, your brain, and
TubeTrap Diffuser Alignment
This issue we share the next section of a groundbreaking article from 1989 by IAR. Editor J. Peter Moncrieff explains how one can adjust the rotational position of TubeTraps
IAR 56 pt. 4
As we continue reviewing this groundbreaking article from 1989, published by International Audiophile Review, you should ask yourself: how can I most efficiently replicate the sonic experiences being described?
Basic Setup for TubeTraps
We continue reviewing the groundbreaking aritcle from 1989, published by International Audiophile Review. In this section, editor J. Peter Moncrieff explains what he terms as a "basic setup" for
Perimeter Reflection Control
This week we flash back to an article that really put TubeTraps on the map. In 1989, International Audiophile Review was the resource for the discriminating HiFi listener to learn about the
Correlation Detection of Early Reflections pt. 3
Whenever evaluating the sound quality of a musical playback system, it is important to remember that we do this because we love... music! Test signals are great, but real
Correlation Detection of Early Reflections pt. 2
We hope you were hooked by part 1 of this classic paper. Above we see the ETC (energy time curve) for a sound entering a well in a random
Correlation Detection of Early Reflections pt. 1
Time to get back to some oldie-but-goodie technical concepts. If you're not sure what the graph means, no problem. You'll understand after reading this paper. A common question from
Art on Spaciousness
Last issue wrapped up by explaining the best ways to experience a very pleasant sonic ambience in your listening room. This week we will expand upon that and show
Stereo Imaging Stability
Last week we learned about the negative and positive effects of many common reflections. This week we dig deeper still to learn how reflections are changing the stereo imaging
Continuing our Journey Toward Perfect Sound
This week we dive deeper still into the methods and principles used in the pursuit of extreme sound quality. That has been your goal since you discovered HiFi -
Bass Damping vs Image Developing pt. 3
Stage Depth Stage depth is created by adding treble range early reflections off the front wall. Speaker boxes with rounder corners, no speaker grill frame and that get narrow
Bass Damping vs Image Developing pt. 2
TubeTrap Positioning & Second-Order Reflections Find Beam Intersection Set up a flashlight on each speaker so they reflect off the same wall, the right and later the left wall,
Bass Damping vs Image Developing pt. 1
When TubeTraps were a new product, we had many dealers and reps all around the world. Our sales support effort was to help dealers demo the TubeTraps, that is
Wall Reflections pt. 3
Let's spend one more day on the important topic of wall reflections, wrapping things up by discussing the most detrimental ones of all. Courtesy of ASC founder and President,
Wall Reflections pt. 2
Last installment, we discussed the sonic effects of floor and ceiling reflections. Now we move on to the all-familiar side wall bounces and learn how they affect the listening
Wall Reflections
Building on our Tip of the Week from Sept 27th, the Stereo Imaging series moves from explaining the basic stereo footprint to discussing the effects of sound reflections from your walls,
Imaging in Audio: More Factors
This week we read another section of a soon-to-be-released white paper by Art Noxon, Acoustical Engineer, that bridges a few previously covered topics with a few that are upcoming.
Basic Stereo Footprint
There is so much to say about stereo imaging in high end audio playback, we just had to share more. Join us this week for a deeper dive into
Stereo Imaging
Stereo Imaging is always an interesting topic amongst audiophiles. Join us this week as we are happy to share a snippet from this topic from the notebook of Art
What is Head-end Ringing?
This week we discuss the audio condition known an Head-End Ringing. We read from the writings of ASC Founder and TubeTrap inventor Art Noxon, PE Acoustical Enjoy! Head-end Ringing The term Head
Sonic Crosstalk
What Does Sonic Crosstalk do to the Listening Experience? This week we continue our discussion about lateral reflections. From the notebook of ASC Founder and TubeTrap inventor Art Noxon,
Lateral Sound Reflections II
Continued Education... This week we continue with an electronic rendition of a page from the notebook of ASC Founder and TubeTrap inventor Art Noxon, Acoustical PE. Art expands upon the discussion of
Lateral Sound Reflections
Watch out! Strong lateral reflections can hurt! The text is presented below to supplement the original from ASC Founder and TubeTrap inventor Art Noxon, Acoustical PE. This week's discussion
Stereosonic Image Training
Article from ASC Founder and TubeTrap inventor Art Noxon, Acoustical PE,... Enjoy! Here's an Experiment - Call it Sonic Image Training I have developed this and it works.
Making a Room Sound BIG!
How to Create Sonic Spaciousness in Your Room View the original notes From the notebook of ASC Founder and TubeTrap inventor Art Noxon, Acoustical PE, comes
Improve Your Musical Playback Quality
TubeTraps make our listening rooms sound better. They make music more enjoyable and make our mixes translate accurately. They harness your room acoustics and provide
The Life Line of One Sonic Event
ARSD, Attack Transients and Head-End Ringing. What do these have in common? Read along for more about the life line of one sonic event . Enjoy this excerpt of
Your HiFi Equipment vs Music it Plays
To establish a reference baseline for the following discussion of Hi-fi listening, it is helpful to skim an article published in Stereophile: The View into the Soundstage by John
Put Your Room to the Test
Using MATT as a Listening Test for Musical Quality instead of a Room Analysis Test. Art Noxon, PE Acoustical, and founder and president of ASC, invented the TubeTrap in the 1980's.
Art Noxon on Room Modes
Art Noxon, PE Acoustical is ASC's founder and president, plus the inventor of the iconic TubeTrap, the world's first portable & modular corner loaded bass trap. This week we return to
Noise Floor: The Room
The above graphic shows a typical out-of-control audio room, in which the self-noise is so high that many upper partials are completely inaudible. Not good! This could turn the
Overcoming Wall Shudder
By now, most of us know how bad for your listening experience excessive reflections and bass buildup in the room can be. Have you ever been curious about the
Placing Bass Traps
Why Bass Trap Placement Matters ASC has been pioneering, building and improving bass traps since 1984. Our flagship product still remains mostly the same today, as it did then...the
ASC at NAMM ’24 – AttackWall History
With NAMM 2024 coming up at the end of January and ASC having a booth at the show, demonstrating the sight and sound of both the AttackWall and QSF (Quick Sound Field), it
Sculpted Hifi Room
Have you ever been asked to perform a heroic feat in the face of daunting hurdles, debilitating limitations, and dreadful odds? What do you do? You rise to the occasion! You
Burning Amp Festival 2023
ASC president and TubeTrap inventor, Art Noxon, PE Acoustical will be featured in a pre-recorded presentation Sunday morning. This talk is a special production just for this event - don't miss it! A snippet of
Ripple Tank Story Reflection
Enjoy this week's inSIGHTful story from Art relating to the Ripple Tank project. Link to full thesis paper by ASC president and TubeTrap inventor, Art Noxon, PE Acoustical Blinded, had to listen
The Ripple Tank Pt. 10
The Ripple Tank paper concludes! Link to full thesis paper by ASC president and TubeTrap inventor, Art Noxon, PE Acoustical Channel Filter Networks The uniform channel of infinite length is frequency indiscriminate.
The Ripple Tank pt. 9
The series continues! The Ripple Tank pt. 9! Link to full thesis paper by ASC president and TubeTrap inventor, Art Noxon, PE Acoustical Standing Wave Resonance The fundamental and higher harmonic resonant
The Ripple Tank pt. 8
The Ripple Tank series continues! Link to full thesis paper by ASC president and TubeTrap inventor, Art Noxon, PE Acoustical CHAPTER 4 Wave Channel System Distributed impedance occurs whenever one dimension
Long, Narrow Hifi Room Set-up
This week we bring you a short story from a discussion on audiokarma.org. To Turn or Not to Turn... If your audio room is quite long and fairly
The Ripple Tank Pt. 7
This week we continue our Ripple Tank series with another snippet of an important thesis paper, one that launched the career path of ASC founder, president and TubeTrap inventor, Art Noxon, PE Acoustical
The Ripple Tank Pt. 6
This week we continue our Ripple Tank series with another snippet of an important thesis paper, one that launched the career path of ASC founder, president and TubeTrap inventor, Art Noxon, PE Acoustical
The Ripple Tank – Pt. 5
This week we continue our Ripple Tank series with another snippet of an important thesis paper, one that launched the career path of ASC founder, president and TubeTrap inventor, Art Noxon, PE Acoustical
The Ripple Tank – Pt. IV
Referenced Analog Proofs This week we continue our Ripple Tank series with another snippet of an important thesis paper, one that launched the career path of ASC founder, president and TubeTrap
The Ripple Tank Pt. 3
Chapter 2 Get ready for another snippet of an important thesis paper, by ASC founder, president and TubeTrap inventor, Art Noxon, PE Acoustical Analog Proofs The ability of the ripple tank system
The Ripple Tank Pt. 2
Synesthesia (layperson's narrow definition): seeing sound That is really the crux of the matter for this conversation: using your eyes to perceive what sound waves are doing in a room. This
The Ripple Tank
Synesthesia: a sense impression experienced by one sense through stimulation of another sense Have you ever seemed to see a flash of red at the instant the violin section
The Queen of Rock ‘n Roll
We were saddened to learn of the passing of the Queen of Rock 'n Roll, Tina Turner, this week. So, to honor her memory in some small way, we share
Audio Room Optimization Myths
What do you do about a room that was simply not made for high-end audio reproduction? This week we explore some of the approaches people have taken, including the
Speaker Positioning For Maximum Sound
What does this mean? Read on as ASC founder, president and TubeTrap inventor, Art Noxon, PE discusses speaker positioning for maximum sound – as featured in a five-part series
Flutter Tones in Hifi & Home Theater pt. 3
This week, we talk about focused redirection and scattering of sound to improve your listening experience. We conclude the discussion of Flutter Echo/Flutter Tones in Home Theater as featured
Development of a Hi-fi Room pt. 3
This week we conclude our 3-part series on Listening Room Development. To establish a reference baseline for the following discussion of Hi-fi listening, it is helpful to skim an
Development of a Hi-fi Room pt. 2
We continue with part 2 of this 3-part series on Listening Room Development. To establish a reference baseline for the following discussion of Hi-fi listening, it is helpful to
Development of a Hi-fi Room pt. 1
To establish a reference baseline for the following discussion of Hi-fi listening, it is helpful to skim an article published in Stereophile: The View into the Soundstage by John
Anti-Mode, Anti-Cancel Sub Setup
This week's discussion continues our quest to find the optimal placement for the subwoofer. We are using a hypothetical room with typical dimensions, in our case: 15' wide x
Resonant Modes and Sound Cancellation
Way back in 2022, we began a discussion about subwoofer placement in this newsletter issue. This week we pick up where we left off in this excerpt from Home
And Now… TubeTraps
At ASC, we do not focus on overall RT60 reduction or fixing your room's frequency response curve. To us, the music is what matters and we intend to maximize
Circuit Analysis for TubeTraps
This week we see some of the science behind your favorite bass trap. Strap on your Electrical Engineering cap and enjoy this excerpt from the notes of Art Noxon, PE Acoustical.
Lets Talk About Sound Masking
Enjoy this excerpt from the comprehensive white paper on TubeTraps written by Art Noxon, PE Acoustical The best sound masking sound is a sound that sounds just like the sound that
Hifi AttackWall
If you thought the AttackWall was only for studio use, this week's newsletter is for you. Take advantage of "acoustic shadow casting" to the fullest. Please enjoy this snippet
Stereo Imaging Audio
Stereo imaging in audio is always an interesting topic amongst audiophiles. Join us this week as we are happy to share a snippet from this topic from the notebook
How to Get the Most Out of Your Room
The mechanical properties of a TubeTrap's one-of-a-kind diffuser provide a slightly "softened" reflection, perfect for spaciousness enhancement. In order to take full advantage of this, some useful guidelines should
Building a Listening Room Pt. 3
Art Noxon, PE Acoustical is ASC's founder & inventor of the TubeTrap. This week Art concludes his 3-part series on the fundamentals for constructing the dedicated listening room of your dreams. Enjoy! It is
Building a Listening Room Pt. 2
Art Noxon, PE Acoustical is ASC's founder & inventor of the TubeTrap. Have you yearned to build a new, dedicated listening room but are not sure where to start? This week
Building a Listening Room Pt. 1
Art Noxon, PE Acoustical is ASC's founder & inventor of the TubeTrap. Have you yearned to build a new, dedicated listening room but are not sure where to start? This week Art
Reflecting On Your Hi-fi Journey
Art Noxon, PE Acoustical is ASC's founder & inventor of the TubeTrap. This week Art shares his perspective as he 'reflects' on the Hifi listeners' journey. Enjoy! The Wall In The Desert
Bass Trapping and Your Studio – Series Review
Art Noxon, PE Acoustical is ASC's founder & inventor of the TubeTrap. This week we recap the 7-week series on project studio bass control by going back to the original motivation: Room Resonance.
Bass Trapping and Your Studio Pt. 7
Art Noxon, PE Acoustical is ASC's founder & inventor of the TubeTrap. This week Art continues with part 7 of trapping bass in our recording studios. Originally written and published in dB
Bass Trapping and Your Studio Pt. 6
Art Noxon, PE Acoustical is ASC's founder & inventor of the TubeTrap. This week Art continues with part 6 of trapping bass in our recording studios. Originally written and published in dB
Bass Trapping and Your Studio Pt. 5
Art Noxon, PE Acoustical is ASC's founder & inventor of the TubeTrap. This week Art continues with part 4 of trapping bass in our recording studios. Enjoy! Boom Busters
Bass Trapping and Your Studio Pt. 4
Art Noxon, PE Acoustical is ASC’s founder & inventor of the TubeTrap. This week Art continues with part 4 of Bass Trapping in Your Recording Studio. Enjoy! Sound “Cancelling”
Bass Trapping and Your Studio Pt. 3
Art Noxon, PE Acoustical is ASC's founder & inventor of the TubeTrap. This week Art continues with part 3 of trapping bass in our recording studios. Enjoy! Measuring Resonance It is interesting
Bass Trapping and Your Studio
Art Noxon, PE Acoustical is ASC's founder & inventor of the TubeTrap. This week Art discusses trapping bass in our recording studios. Enjoy! Room Acoustic Basics Before considering bass traps in detail, a
The Kinds of Room Acoustics
Art Noxon, PE Acoustical is ASC's founder & inventor of the TubeTrap. This week Art discusses the kinds of room acoustics, especially regarding recording studios. Enjoy! Art
Bass Trap Placement
Art Noxon, PE Acoustical is ASC's founder & inventor of the TubeTrap. This week Art discusses bass trap placement in your Hifi room. Enjoy! We’ve been pioneering, building and improving bass traps
Sound Quality & Audio Measurements
Art Noxon, PE Acoustical is ASC's founder & inventor of the TubeTrap. This week Art discusses audio measurements in relation to sound quality. Enjoy. Do Audio Measurements Correlate with
Art discusses the Noise Floor
Art Noxon, PE Acoustical is ASC's founder & inventor of the TubeTrap. This week Art discusses the Noise Floor, the signal created from adding up all the unwanted signals within a measurement system. Enjoy this
Art Tells Why We Need TubeTraps
Art Noxon, PE Acoustical is ASC's founder & inventor of the TubeTrap. This week Art reminds us of the usefulness and purpose of having the TubeTrap as part of your essential Hifi
Art Noxon Speaks at PAF 2022 Pt. 3
ASC Founder & Inventor to the TubeTrap Art Noxon, PE Acoustical had an opportunity to address PAF Hifi enthusiasts regarding Hifi room acoustics. This week we have another excerpt
Art Noxon Speaks at PAF 2022 Pt. 2
ASC Founder & Inventor to the TubeTrap Art Noxon, PE Acoustical had an opportunity to address PAF Hifi enthusiasts regarding Hifi room acoustics. This week we have another excerpt
ASC’s Art Noxon at PAF
ASC Founder & Inventor to the TubeTrap Art Noxon, PE Acoustical had an opportunity to address PAF Hifi enthusiasts regarding Hifi room acoustics. This week we have an excerpt
Recap: ASC at PAF 2022
The Event The inaugural Pacific Audio Fest showcased many of the world's top HiFi music playback equipment manufacturers and was a wonderful experience for all involved. Special thanks to
ASC at Pacific Audio Fest
We take a short break from our usual newsletter format this week so that we can let you know that from July 29-31 ASC will be participating in the
Assessing Audio Quality Using the MATT Test
The MATT test was developed by ASC founder, president and TubeTrap inventor, Art Noxon, PE Acoustical to identify audio quality issues so we can attain the highest quality sound
Hifi Listening Room Modes
This week we discuss the effect of room modes. Acoustic Sciences Corporation founder, president and TubeTrap inventor, Art Noxon, PE Acoustical shares his knowledge with us this week on this
A Source of Noise Pollution: Subwoofers
Loud, quality audio is great...until it turns into noise pollution in your neighborhood. Acoustic Sciences Corporation founder, president and TubeTrap inventor, Art Noxon, PE Acoustical shares his knowledge with us this week on this
Clarity & Frequency Response
Is Frequency Response the End-All Measurement of Sound Quality? Is anything more important than a flat frequency response in your room? For studio engineers or HiFi enthusiasts, the answer is
Your Listening Room & Corner Loaded Bass Trap
Join us this week to read this presentation from the 79th AES Convention by ASC founder, president and TubeTrap inventor, Art Noxon, PE. The main topic is one of our favorites: corner loaded bass
Newsletter #113: Speaker Positioning for Maximum Sound
What does this mean? Read on as ASC founder, president and TubeTrap inventor, Art Noxon, PE discusses speaker positioning for maximum sound – as featured in a five-part series by
Resonant Modes & Sound Cancellation
ASC founder, president and TubeTrap inventor, Art Noxon, PE discusses resonant modes create sound cancellation as published in Home Theater magazine. The proper placement of subwoofers in your home
Flutter Echo/Flutter Tones
ASC founder, president and TubeTrap inventor, Art Noxon, PE discusses Flutter Echo/Flutter Tones In Home Theater Acoustics Vol. 5 of a five-part series from Home Theater magazine. The Acoustic
Announcing a Cure for Reflectophobia
"This debilitating mental condition was first reported in an AES paper in the early 70’s by Helmut Haas, and became known as the Haas Effect. Highly infectious, this impaired judgment
Listening Room Development pt. 3
Music The first level of “dialing in a room” improves the musicality of the playback system. By reducing the coupling between the speakers and the natural acoustics of the
Listening Room Development pt. 2
Sound Fusion In addition to the steady state condition, where the sound being heard is 10 dB louder than the sound from the speakers is heard, we have the image
Listening Room Development
When one listens to a set of loudspeakers, over 99% of the sound wave emitted from the speaker expands in all directions other than toward the listener and is called
TubeTrap Tech, Part 1
Read along as ASC founder, president and TubeTrap inventor, Art Noxon, PE shares his experience with us this week! *Article edited for brevity. Earlier in this paper, we looked at
Sound Pressure Spikes & Rooms
Read along as ASC founder, president and TubeTrap inventor, Art Noxon, PE shares his knowledge on this technical topic! "For every attack transient... ...there is a complex set of harmonics
A Short History of the TubeTrap
ASC celebrates its 100th Newsletter by taking us back to where it all began...the TubeTrap. Read along as ASC founder, president and TubeTrap inventor, Art Noxon, PE shares his journey
Your Studio’s Performance
Yes, FFT analysis has gotten pretty inexpensive since those early days in the mid 1980’s when we had to buy the Crown Techron 12 or 20 for something well over
Effects of Wall Shudder
View as PDF This leads us into a whole new world or listening room control, structural shudder control. When a pressure spike hits a wall or ceiling it delivers
Modes & More Modes
Modes & More Modes! This week enjoy this deep-dive on this subject by ASC founder & president, Art Noxon, PE as he helps us move toward our Hifi rooms delivering
Room Breakup
Room Breakup: the Audiophile’s Curse You care deeply about sound quality and the joy it brings. You've gone to great lengths to optimize all the components in your playback system,
Acoustic Carpet
Let's Talk Acoustic Carpet. All “acoustics” are not the same. We have soundproofing and then we have sound conditioning. Soundproofing means keeping the sound in the room and sound
Remove a Corner Bass Trap
Remove a Corner Bass Trap and the “Suck-out” Went Away? Thinking you may remove a corner bass trap? This week ASC President and TubeTrap Inventor, Art Noxon, PE shares his
Audio Measurements & Sound Quality
ASC President and TubeTrap Inventor, Art Noxon, PE shares his knowledge on the subject. (Originally posted on AVS forum, Dec 2013). Do Audio Measurements Correlate with Sound Quality? Sometimes
What’s With Hifi
Greetings fellow music lovers. This week Acoustic Sciences President and TubeTrap inventor Art Noxon, PE speaks on the state of modern Hifi. What's Going On? ...Nothing much, except
The Power of TubeTraps
We often discuss head-end ringing extensively. Why? Because you can add diffusers, thin wall absorbers, rear wall traps, resonators, and more... but your room will still mask the low-level
Sub Bass Energy
What to do about that Sub Bass Energy? Sub bass energy is the frequency range the subwoofer make, typically below 45 Hz. It’s pretty difficult to buy bass traps
Your Room Sound
Your Room Sound is Always Important. You receive this newsletter because you love great sound. But just because you love great sound doesn't mean you want your living room
ASC Talks NRC
Large Room Acoustics This week we take a step out of our relatively small listening rooms and studios and think about the treatment of larger spaces. Many of us
Stages of Acoustic Upgrades
The prospect of adding acoustic control devices to a HiFi listening room can be daunting. Where to start? What are my goals? For others who have already begun to
ASC Origins: The TubeTrap
The patented TubeTrap, where did it all begin? For decades hifi rooms and recording studios have been using TubeTraps to enrich their audio sound. Today we remember the real
Upper Partials
We've discussed the importance of upper partials and retaining a clean envelope (ADSR) to preserve rhythm, dynamics and transient information in previous newsletters. Let's refresh our memories: Attack
Sonic Clarity vs. Frequency Response
Let's talk Sonic Clarity vs. Frequency Response. We know how to measure the frequency response of our audio playback systems thanks to various software packages available for free, along
Art in Articulation
Without properly hearing the transient content on the original recording, your playback will lack the detail and power that was captured. This week we look into the effect of
Acoustic Shadowing
As we've shared, sometimes the best room treatment is to create a room within a room, or put another way, an "acoustic subspace". This applies equally well to recording environments
Head End Ringing
The term Head End Ringing coined by ASC President Art Noxon, succinctly describes a complicated phenomenon that destroys the articulation and intelligibility of your room. Everyone knows about wall
Acoustic Space and Time
Need Some Acoustic Space and Time? At Acoustic Sciences Corporation we're known for our world-class, patented acoustic treatments for Hi-fi and Pro Audio environments. The QuickSoundField is well-known in
Playing a Long and Narrow Room Properly
If your audio room is quite long and fairly narrow, this tip applies to you. If your audio room also has a peaked ceiling that runs the length of
Seeing Sound with Your Ears
Article by Arthur Noxon, PE Acoustical Engineer "See" Sound...with your Ears Relentless pursuit of the "holy trinity" of high-end audiophile listening (musicality, sound stage, and venue immersion) is one thing
Free Your Speakers
The past year has been a trying one for many of us. While things may be getting back to normal across many aspects of life, we want to
ASC QuickSoundField
At ASC, we design and deliver acoustic solutions for the studio engineer and the discriminating HiFi listener (among a plethora of other users and applications). While the original intention
Your Head-End Ringing Control Solution
And Now...TubeTraps We've been discussing head-end ringing extensively the last several weeks. Why? Because you can add diffusers, thin wall absorbers, rear wall traps, resonators, and more... but your room
Sound Masking from Head End Ringing
Heads & Masks No, we're not getting a jump start on Halloween or planning a masquerade opera. We are building upon last week's discussion of timing and attack transient information,
Timing Still Matters
Let's talk about why timing still matters. ASC adopted a unique method of measuring the "musicality" of a listening space. This week we look into what makes a "fast"
Improving the Quality of Musical Playback
We all know TubeTraps make our rooms sound better. They make music more enjoyable and make our mixes translate accurately. They harness the wild beast called "room acoustics" and provide
Large Room Acoustics: The Timing of Reflections
Timing is Everything... ...in engines, in investing, in acoustics...and in many aspects of life. It's time to talk about Large Room Acoustics: The Timing of Reflections. All things entail rising
The QuickSoundField
The QuickSoundField: A Studio Legend The QuickSoundField is a versatile assembly of ASC StudioTraps. Born from the legendary TubeTrap, and optimized for use in recording and mixing applications, the
The Upgrade Plateau
Always Reaching Higher Audiophiles are dedicated, sometimes fanatically, to the continual improvement and refinement of their sound systems to increase the quality of the sound. With familiar recordings used as
Case Study: HiFi in a Living Room
Real-World Rooms: Where We Live Some have the luxury of building a dedicated listening room from the ground up, taking care to isolate, decouple, damp, and de-twang all the room
Let’s Talk About NRC
Large Room Acoustics Let's Talk About NRC! This week we take a step out of our relatively small listening rooms and studios and think about the treatment of larger
Acoustic Room Speed
Why Do I Need a Fast Room? Let's talk Acoustic Room Speed, but let's remember: the room is the last link in your audio signal chain. You've gone to
ASC’s Early Days: the 1980’s
Ah, the old times, ASC's Early Days: the 1980's. Sometimes it is good to remember. Sometimes to learn, sometimes to grimace, and sometimes to simply smile. Many of you may
When Space is at a Premium
ASC's AcousticSoffit: Wall Panel, Bass Trap, and Lateral Diffuser in One! Some audio playback rooms can really benefit from bass traps in the high-pressure corners. No, wait, ALL audio
Get That HiFi Sound…with That Built-In Look
To You, Room Sound is Always Important! If you did not value the sound quality in your listening or studio room, you would not be receiving this email. But
Dissatisfying Sound that Needs Improvement
Sometimes, Things Could be Better I think we can all agree that dissatisfying sound that needs improvement needs to be addressed. It would be great if we could limit our
Quality In your life & your sound
It's All About Quality In Your Life & Your Sound. Why do we spend hours perusing the magazines, forums, and YouTube reviews to find golden nuggets of information that will
HiFi Rooms: The Three Stages of Acoustic Upgrade
Breaking Acoustic Upgrades into Stages Let's talk about HiFi Rooms: the three stages of acoustic upgrade. For some, the prospect of adding acoustic control devices to their room is daunting.
Why Sonic Clarity is Important
Clarity vs. Frequency Response Many of us know how to measure the frequency response of our audio playback systems thanks to various software packages available for free, along with fairly
Control Your Exposure by Watching Your Dose
A few of you may have "dosage" on the mind in these times, for reasons we will not elaborate upon (Musical acoustics is all about making your life more
Keep Enjoying Your Music…for Years to Come
You want to keep enjoying your music...for years to come, we want to help you understand how your hearing mechanism can become damaged, what the effects are of this damage,
Let’s Talk Some Anatomy
Let's Talk Some Anatomy - No, we wont ask you to memorize any bone or organ names, and there will be no quiz. But, let's talk some anatomy, we thought
Let’s Talk HiFi Speakers pt 2
Check out Part 1 of this series What do people love about dipole speakers? One of the most frequent comments we hear is that the musician is "in your room,
Let’s Talk HiFi Speakers pt 1
Check out Part 2 in this series Here we see some common dispersion patterns found in HiFi Loudspeakers. Recall that the bass range is omnidirectional for all except the dipoles.
Upper Partials Make the Music
We now know that good articulation improves the attack transients in musical playback to provide the dynamics of a live performance. We know that Upper Partials Make the Music, but
Accuracy
What does it really mean for an audio playback system to be accurate? One common answer is a flat frequency response. Another common answer is short reverb times. But
Can You Hear Your Room’s Noise Floor?
Your Room's Noise Floor Can You Hear Your Room's Noise Floor? In a concert hall we can easily hear the difference between the direct sound from the stage and
What is Hifi
Some History... What is Hifi? Originally it was about recreating great-sounding music. Over the years, around the mid 80’s it evolved into something much more, much bigger, almost unbelievable.
How is a TubeTrap different than thick foam?
The Origins of Greatness How is a TubeTrap different than thick foam? We've looked at portions of this article before. Maybe you even followed the link and read the whole
Early Reflections in Recordings
Using Early Lateral Reflections in Recordings Lateral reflections are useful not only in a playback environment, but can also be used to improve the realism and quality of vocal and
Spaciousness 2/2
Brute Force Spaciousness Surely you recall last week's chapter in the spaciousness saga. The story goes on, and TubeTraps are invited to the party! Remember, we need the late reflections
Spaciousness 1 of 2
The Psychoacoustics of Spaciousness Have you ever wondered how our brains use sound to know that we are in a large space? Are you stuck in a small or medium
Lateral Reflections 3/3: How does crosstalk affect imaging?
Tying it all Together Why do we keep talking about lateral reflections? Because imaging is one of the most tangible, engrossing features of high-end listening and mixing. Musical bass lines
Lateral Reflections 2/3: Crosstalk!
Reflecting on Lateral Reflections in an Audio Room Returning once again to our new format, please enjoy a few pages straight from the notebook of Art Noxon, PE, Acoustical.
Lateral Reflections 1/3
A New Format By popular demand, Art Noxon's original notebook material shall be presented without any fancy formatting, zooming, or image adjustment. The text is presented below to supplement the
Transparency
Are You Looking Through Murky Glass? The word "transparency" is thrown around in descriptions of audio equipment with ubiquitous regularity. We generally understand what this refers to, but sometimes a
Does it feel like you are on an Island?
Just Because You are in a Small Room... Doesn't mean your recordings need to sound lifeless and dry. Does it feel like you are on an Island? By utilizing the
Acoustic Shadow Casting
Traditional Wall-Mounted Acoustics or Mobile Free-Standing? Acoustic Shadow Casting - For many, wall-mounted sound absorbers are the default style and the only thing that makes sense. Such a restricted mindset
The Physical Ripple Tank
Synesthesia: a sense impression experienced by one sense through stimulation of another sense Have you ever seemed to see a flash of red at the instant the violin section hits
Phase Confusers? No. Poly Diffusers!
Learn what makes a Poly Tick So, Phase Confusers? No, Poly Diffusers! We start things a day early and go into greater detail about the intricacies of a true
Spaciousness: The Final Frontier
Spaciousness: The Final Frontier! What's the Key to Making a Space Sound Big?... ...said the Senior Chief CEO of Seniority at the Department of Redundancy Department. But, how to make
Central Image: The Modern Approach
In Pursuit of a Perfect Sonic Experience Let's talk central image: The Modern Approach. Life can be full of compromises. They say, "do you want it fast, good, or cheap?
WallDamp Walls in Action
Don't Let Your Walls Turn Into Uninvited Drummers We all know listening to and mixing music can be fun, and can even be enjoyed with multiple people. But even John
Acoustic Zoom Lens Explained
Psychoacoustics and the Sound Stage This week we dig deeper into the operation of the "Acoustic Zoom Lens" that placed a magnified Tina Turner in our faces for that memorable
Engineers: Controlling Mix Imaging
Someone Must Create the Immersive Sound Stage ...and for that, we have recording and mix engineers to thank. Thank you all for everything you do! On the recording side, a
Center Image Manipulation 2/2
Let's talk about Center Image Manipulation. It Was as if She Were Saying: "I Want You Near Me" We ended last week unveiling the special "forward image" TubeTrap with its
Center Image Manipulation Pt 1
Break Every Rule Center Image Manipulation Pt 1. Sometimes in the world of acoustics, amazing discoveries are made by accident. It is only afterward that the science is unraveled to
Sound Stage Depth
Psychoacoustically Pleasing Polyphonic Perception The last several weeks we have been searching for a sound stage that really takes us "to the show." These days, this might be the only
Another Way to Use TubeTraps
You know about sidewall reflections... ...because you are a loyal Acoustic Tip of the Week subscriber. You know that the near reflection widens the sound stage, and the cross
Imaging: Vertical Reflections
Refining the Sonic Sound Stage The magic of 2-channel audio is in the imaging. Fidelity, clean bass, and dynamic performance-those can be delivered by single sound sources. But we have
Sidewall Reflection Control
What Side (wall) Are You On? Sidewall Reflection Control is essential. Side walls, and the associated side wall reflections, exist in nearly every room. That is one of the features
Fun with the MATT Pt1
Having trouble interpreting the MATT? Now that you have downloaded the MATT and played it through your system, you have a better sense of which regions of the audio range
Fun with the MATT! Part 1/2
Have You Run Out of Music? Or maybe you are just ready for a break, for something different. But if you are like so many of us, driving to the
Stereo Imaging Part 2/2
First Things First: Center Image Size Stereo Imaging - Multiple early reflections from different directions cause a "fogging" of the sonic image and a shift in apparent position of where
Stereo Imaging pt 1
How can I hear the "whole" stage? Pinpoint imaging and life-like sound stages are something taken for granted by those of us graced with modern, high quality speakers and appropriately
StudioTraps Are Not Just for Studios
While their original design was optimized for use in recording & mixing audio, the ASC StudioTrap also excels in HiFi playback system usage. StudioTraps are not just for studios. Here
The Audio Playback Room
There is a reason the top mastering engineers are able to refine tracks and albums to sound gloriously big, full, spacious, and lively on the finest high-fidelity playback systems.
Room Boundary Materials
Do your walls, ceiling, or floor thump like a gigantic bass drum? Does your basement ceiling leak movie sound effects into the bedrooms upstairs? Does your studio floor add a
How an AttackWall Works
Studio Engineers and Musicians: this one is for youi if you've wondered How an AttackWall Works! The ASC AttackWall is an acoustic system constructed using StudioTraps and MonitorStacks. The
Not everyone knows about acoustics. You will.
Back To Basics This week we go back to old-school TubeTrap basics. You will learn the ideal sequence of operations for treating your HiFi listening room with TubeTraps and other
