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Hey everyone,

We are currently working on presenting the Mobile Soundstage Engineering Advanced SQ Seminar in the New York State area the weekend of May 23, 24. We have access to a great facility in Syracuse, and are looking to generate enough interest to make it happen.

So, if you are anywhere near Syracuse (Toronto, Buffallo, Rochester, NY City, Philadelphia, Hartford, etc) and would like to attend, please get in touch with me as soon as possible, so we can make a final decision.

This is the same seminar we have presented in several regions around the country already.

The Advanced SQ Seminar is designed for anyone that is interested in learning everything they possibly can about the design, installation, and tuning of high-end sound quality mobile audio systems. Whether you are an installer, enthusiast, SQ competitor, work for a manufacturer, etc, whether you are new to the field, or have many years experience.

It is an intensive two-day seminar, jam packed with everything that can possibly be covered regarding the design, installation, and tuning of high-end and SQ competition mobile audio systems. A very abbreviated seminar outline is at the bottom of this post.

We touch on the theory just enough to get deep into what really makes car audio systems sound great. We use lots of audio demonstrations, and allow plenty of time for attendees to get their hands and ears on the test gear for practice and technique learning sessions.

It is a TON of information presented in a format that no other training class can offer, and every bit of it is directly geared towards developing practical application skills and knowledge that can be used when designing, fabrication, and/or tuning high-quality car audio systems.

You will not be bored in this class! And, we promise you'll get more out of this seminar in two days than you can find anywhere else!

We start at 9:00 each morning, and go until everyone has had enough, usually between 6 and 7 PM each day.

The $495 attendance price includes an extensive class note book, several test CDs, a t-shirt, etc.

If you’ve got questions about the seminar, please contact me, and/or post them here so everyone else can see the answers too. You can also check the other threads from previous seminars, to see what people thought about the class, and probably get some other questions answered as well. Here are two links for the DFW and College Station seminars we did in October 2008, and this January.

Let me know if you are interested in a Syracuse area seminar!

Mark Eldridge
Mobile Soundstage Engineering
[email protected]
(918) 810-2535

Two Day Advanced Sound Quality Workshop Outline

Introduction and Overview

Why Do We Do What We Do???
Workshop Curriculum Overview - What We Will Do in the Workshop
What Really Matters in a Great Sounding Audio System…

The Many Parts of Music

Definitions and Terms
Instruments and Vocalists
Amplified and Un-Amplified Performances
Performance Venues: Studios, Clubs, Concert Halls, Etc.
The Emotional Involvement - What is it that gets our blood pumping?

Our Audio Reference

The standard with which we compare audio system performance

What is an appropriate reference, and how do we get one?
Live Performances vs. Recorded Music
The Recording and How It Affects What We Hear
Listening Critically to Recordings
The Listening Room and Environment
Near-field, Far-field, Car-field?
The Sound Reproduction System - Studio, Home Audio, Headphones, Etc.
So what is the “perfect” reference system?

Using Your Ears 101

A simple setup to teach yourself how to recognize acoustical problems
Equalization, crossovers, Signal delay, etc.
Comparison of analyzer measurement techniques with our ears

Tools, Tools, Tools…….

CDs and Software
Acoustical Analyzers: (RTA, TEF, etc) How they work, how to use them, how to interpret the data
Other useful tools – oscilloscope, Radio Shack amplifier, DVM, etc.
Books, Articles, the Internet, and other sources of “information”
Your Ears - Definitely the most important and effective tool in your arsenal!!!!!
Using the Tools Most Effectively
Analyzing the Data

The Human Hearing System

Why We Hear What We Hear
Do We All Hear the Same Things?
How We Localize Sounds – Spatial Responses
What is Ambience, anyway???
Perception of Frequency Response
Loudness Effects
Distortion – How much is too much?

The Vehicle’s Acoustical Environment

Defining the Problem Areas
Reflective surfaces, absorptive surfaces
Near Field vs. Far Field – What do we really have?
Pathlength, pathlength, pathlength
Relative locations of tweeters, mids, and other drivers
Comb filtering, and other acoustical issues
Reflections Good and Bad…

Acoustical Treatments

What’s the purpose?
Types of Acoustical Treatments
Basic Acoustical Treatment Philosophy
Controlling “Bad” Reflections
Controlling Speaker Dispersion Patterns
Recognizing and Finding Reflections

Car Audio System Design

Vehicle Selection – If you have a choice
Important vehicle interior considerations
Basic System Configuration
How many speakers are really needed?
Equipment Selection Questions
Speaker Locations - General Philosophy
Speaker Locations – Specific Recommendations and Techniques
Speaker Placement Experiments and Testing
Enclosure design, size, and construction considerations
Mid-bass and Midrange enclosures

Component Selection

Signal Processors
Front Stage Speakers
Mid-Bass Drivers (if needed)
Everything Else…

System Level Setting and Gain Structure

What is it and why is it so important?
The Important Factors
Tools Needed
The Steps on How to Do It

Advanced System Tuning Tips and Techniques

Crossovers, equalizers, etc
What works best in different situations
Acoustical analyzers vs your ears…

Competition Specific Topics

Installation Presentation
RTA / SPL Tuning and adjustments
Photo Book guidelines
Specific rules interpretations

You Name the Topic / General Discussion

This is open to any topic brought up by the class that you feel needs to be covered. Anything Sound Quality related is fair game…
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