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*Please registered for this event on InfoComm 2020 website.
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Course Description
Portable “live sound” systems have a specialized set of performance and deployment criteria. This course will address many of these, including
- point source and line array deployment
- amplifier selection based on power ratings
- alignment issues of both mains and subwoofer systems
- analog and digital system gain structure
A major topic will be how to address loudspeaker tuning and room resonance issues using FIR and IIR digital filters.
Portable Sound vs. Fixed Installs
With portable sound, it is frequently the same system in different venues. The objective is finding the best set of compromises for a system for a particular venue.
Most of the principles for portable and fixed install systems are the same. We need audience coverage, adequate SPL, and high clarity and speech intelligibility. A major difference is that with portable sound the tuning has to happen FAST. We’ll show you how to get most of the way there in minimal time, and how to tweak until the system reaches its full potential.
Point Source System Design
If your system is a point source system, it is vital that you understand the radiation patterns of your loudspeakers. Speaker interference is a real thing and can cause havoc. Directivity can be your friend or enemy, so Pat will help you understand directivity so you can make it work for you.
Multi-channel systems with delayed zones – yes, things can get complicated. Delay is a powerful tools, but the secret to setting delays is in planning. Modeling software can fast track your zone layouts and delay settings.
Line Arrays
Line arrays are versatile and therefore frequently used in large venues. As with any system, they have strengths and weaknesses. Understanding how they work is vital for their optimal design and use. Again, the use of computer modeling is the only practical way to effectively deploy these systems. We’ll look at box count, curvature, and equalization, and then move on to advanced topics like level and frequency shading.
Subwoofer System Design
A hot topic these days is subwoofer alignment. There are several schools of thought. Pat will take you back to the principles – understanding low frequency waves, their interference and how they behave in a enclosed space. He takes those principles and applies them to placement and designing subwoofer arrays. Sub topics include:
- Directional Subs
- Main/Sub Aligment using time and phase data
- The role of planning in Main/Sub alignment
Room Acoustics Analysis and Considerations
With portable sound one rarely has control of the room’s acoustics. You have to play the cards you are dealt. A quick room survey can reveal the major acoustic problems of a space and yield important information for how to work around them.
Equalization
We’ll break the system tuning process into the steps that should be performed in advance, and the ones that must be performed on site. Room resonances must be identified as part of an effective tuning process. Learn how to find them fast, and how to mitigate their effect using equalization.
Advanced System Tuning Topics
Sometimes we can improve the performance of the system by turning stuff down. Level and frequency shading is based on the principle of “less is more.” We have all of the filters we need in any DSP. Combined with delay, shading techniques can dramatically improve the performance of a sound system.
InfoComm’s Registration Process
Please register for this seminar through InfoComm website. Here’s some information to bring clarity to the registration process.
There are several pricing options.
- Early bird pricing: 2/3 – 5/15
- Regular pricing: 5/16 – 6/19
Pricing is also dependent on your membership. There are four options:
- Non-member
- Basic Membership – Free
- Premium Membership – $99
- Elite Membership – $399
The price of “Live Sound Design, Optimization and Tuning” can range from $1499 to $2599. Register early to get the best pricing. Pricing is below.
Hotel and Travel
Please follow InfoComm’s recommendations for travel. At the end of the registration process, you will be transferred to a page for hotel booking. I found this to be a convenient feature.
The seminar will be held at Westgate Hotel. The meeting room is Westgate Pavilion 11.
The seminar times is 8 am to 5 pm each day. Doors will open at 7:30am.
InfoComm will be providing the meals and breaks. They are delicious, you will enjoy them. They will send you the details closer to the event.
The class materials include: Full Color Manual, Support materials, Certificate of Completion and 24 RUs.
If you have any questions about the seminar, call Brenda at 812-923-0174.
If you have questions about the registration process, call AVIXA at 800.659.7469
I will sent you a personal email about 10 days before the event with details about the event.
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Brenda Brown
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