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Archive for category: SynAudCon Library

Dodecs |Sound Power | Building a Dodec with 3D Printer

May 9, 2018/by Pat Brown

Dodecs are the tool of choice for performing acoustical surveys of rooms of all types. Pat Brown explains sound power – an important dodec specification. Below is a video that demonstrates building a Dodec with a 3D printer.

Many audio … Read more

Can the Half-Dodec Provide Another Option for Room Acoustics Testing?

September 1, 2017/by Pat Brown

The half-dodec can provide another option to get the room acoustics data needed to properly model the space.

The first step in the sound system design process is the acoustical site survey. For many projects it is important to assess … Read more

Dodecs for Pastry Chefs

March 17, 2010/by Brenda Brown

By Peter Patrick

In this article, Peter Patrick provides the readers a better way to build dodecs.

We’ve published several features in recent years regarding the dodecahedron loudspeaker. Dodecs are useful for a number of different acoustic measurements. Excellent models … Read more

Build Your Own Dodecahedron Loudspeaker

March 17, 2010/by Pat Brown

By Pat Brown

In this article, Pat Brown discusses the uses of a dodecahedron loudspeaker and how to build one.

A polyhedron is a multi-sided three dimensional shape. A dodecahedron is a 12-sided polyhedron, each side being a pentagon. A … Read more

Tectonic Loudspeakers at Techny Towers

September 3, 2025/by Pat Brown

by Pat Brown

This article will go in several different directions. These will include

- - 1. A comparison of loudspeaker types in a reverberant space.
  - 2. An informal evaluation of an alternative loudspeaker technology.
  - 3. A testimony regarding the effectiveness of

Room Acoustics Testing – Do I Need a Sub?

October 14, 2021/by Pat Brown

by Pat Brown

Prior to designing a sound system, room acoustics testing needs to be done. Pat Brown answers the question, Do I need a sub when testing the acoustics in the room? You will also learn what Pat uses

A Contrast of Statistical and Geometric Room Acoustic Analysis

May 17, 2021/by Pat Brown

by Pat Brown

Statistical and geometric room acoustics analysis have been with us for well over a century. Computer modeling makes geometric acoustic analysis (GA) practical at the drawing board. This article contrasts the two methods.

The room impulse … Read more

Room Survey 38 – Ministry of Foreign Affairs – Bangkok, Thailand

May 17, 2021/by Pat Brown

Location: Bangkok, TH

Investigator: Tanadej Siriwattaprayoon¹

Room: Vethes Samosorn, Ministry of Foreign Affairs

Microphone: Omni

Loudspeaker: NTI DS2 with NTI PA3 amplifier

Source Signal: 14-sec log sweep

Convolver/Deconvolver: GratisVolver™

Introduction
It’s been a while since I have published a … Read more

Idealized Models Help Us Understand Real-World Audio and Acoustic Concepts

May 12, 2020/by Pat Brown

The theoretical provides a reference for understanding the physical world

Ideal vs. Real

The fields of audio and acoustics are a mystery to much of the general engineering community. The blend of art, science, objective, and subjective makes audio and … Read more

Capturing the Room Impulse Response with an Ambisonic Mic

May 12, 2020/by Hadi Sumoro

This article will present comparative result between omni mic vs A-format mic for capturing the room impulse response.

Ambisonic has gained a lot of attention in the recording world due to the rise of virtual reality. This technological advancement has … Read more

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Archive for category: SynAudCon Library

Dodecs |Sound Power | Building a Dodec with 3D Printer

Dodecs are the tool of choice for performing acoustical surveys of rooms of all types. Pat Brown explains sound power – an important dodec specification. Below is a video that demonstrates building a Dodec with a 3D printer.

Can the Half-Dodec Provide Another Option for Room Acoustics Testing?

The half-dodec can provide another option to get the room acoustics data needed to properly model the space.

Dodecs for Pastry Chefs

In this article, Peter Patrick provides the readers a better way to build dodecs.

Build Your Own Dodecahedron Loudspeaker

In this article, Pat Brown discusses the uses of a dodecahedron loudspeaker and how to build one.

Tectonic Loudspeakers at Techny Towers

Room Acoustics Testing – Do I Need a Sub?

Prior to designing a sound system, room acoustics testing needs to be done. Pat Brown answers the question, Do I need a sub when testing the acoustics in the room? You will also learn what Pat uses

A Contrast of Statistical and Geometric Room Acoustic Analysis

Statistical and geometric room acoustics analysis have been with us for well over a century. Computer modeling makes geometric acoustic analysis (GA) practical at the drawing board. This article contrasts the two methods.

Room Survey 38 – Ministry of Foreign Affairs – Bangkok, Thailand

Idealized Models Help Us Understand Real-World Audio and Acoustic Concepts

The theoretical provides a reference for understanding the physical world

Capturing the Room Impulse Response with an Ambisonic Mic

This article will present comparative result between omni mic vs A-format mic for capturing the room impulse response.

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