ASC Newsletter

Published On: January 15, 2021
Persian Carpet & Acoustics, hifi room in the desert with panels behind the seated listener
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.
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Art Noxon Speaks at PAF 2022 Pt. 2

August 19, 2022|Tags: , , , , , |

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 from Art's talk at the Pacific Audio Fest 2022. The topic is Acoustic Shadowing. Enjoy! ASC's Art Noxon [...]

Room Breakup

January 28, 2022|Categories: Newsletter|Tags: , , , |

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, and hopefully even addressed any airborne acoustic problems. But there still may be one thing holding back your room's ultimate [...]

Acoustic Carpet

January 7, 2022|Categories: Newsletter|Tags: , , , , |

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 conditioning usually means getting the sound that’s in the room to calm down. Some acoustic carpets are about soundproofing, reducing [...]

Audio Measurements & Sound Quality

December 10, 2021|Categories: Newsletter|Tags: , , , |

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 yes, but usually not, depending on the kind or version of the Audio Measurement being made. My primary experience with [...]


October 8, 2021|Categories: Newsletter|Tags: , , , , , |

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 work or spend time in "big" rooms like conference centers, restaurants, auditoriums, or houses of worship. It's worthwhile to understand [...]

Upper Partials

September 17, 2021|Categories: Newsletter|Tags: , , , , |

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 When you first press a key the Attack refers to the time it takes for your sound to go from [...]

Sonic Clarity vs. Frequency Response

September 10, 2021|Categories: Newsletter|Tags: , , , , , |

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 with fairly affordable calibrated measurement microphones. However, fewer of us know how to measure the clarity, or articulation of our [...]

Art in Articulation

September 3, 2021|Categories: Newsletter|Tags: , , , |

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 poor articulation on tonal transients. We're putting the Art in Articulation. These are sonic events that help to give instruments [...]

Head End Ringing

August 20, 2021|Categories: Newsletter|Tags: , , , , |

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 reflections and bass build-up in corners, many even understand the influence of time delay and reflection level on sound stage [...]

Playing a Long and Narrow Room Properly

August 6, 2021|Categories: Newsletter|Tags: , , |

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 the space, then this tip is basically your personal guide to listening pleasure. The following writeup was extracted from a forum discussion on  [...]

Seeing Sound with Your Ears

July 9, 2021|Categories: Newsletter|Tags: , , , , , |

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 we all have in common. This week we look at developing our ability to sense a holographic 3-dimensional sonic impression [...]

Your Head-End Ringing Control Solution

June 11, 2021|Categories: Newsletter|Tags: , , , , , |

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 will still mask the low level detail required to reveal the musicality your system is capable of providing. At ASC, [...]

Sound Masking from Head End Ringing

June 4, 2021|Categories: Newsletter|Tags: , , , , , |

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, explaining how the dynamics, fine harmonic structure, and rhythmic speed of music are compromised by sound masking. As before, we [...]

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