Webinar instructions will be emailed before the date of the webinar.

Please log into the webinar 15 – 30 minutes before the start time.

Friday, May 31, 2024
8:30 am – 4:30 pm CDT


Presented by: Aaron Bétit & Joseph F. Bridger

Sound Characteristics and Transmission

  • Principles of sound generation, transmission, and reception
    •  Loudness measured in decibels
    •  Frequency measured in hertz
    •  Sound versus noise
    •  Impact of sound on people

Principles of Room Acoustics

  • Controlling sound reflection and absorption
    •  Reverberation
    •  Sound absorption and noise reduction coefficients
  • Speech intelligibility and sound quality

Principles of Sound Transfer Between Spaces

  • Practical techniques for controlling sound transfer
    •  Exterior and interior walls: outdoor-indoor transmission class (OITC) and sound transmission class (STC)
    •  Floors: impact insulation class (IIC)
    •  Ceilings: ceiling attenuation class (CAC), articulation class (AC) and Sabins
  • Controlling sound from mechanical equipment
  • Examples of design, materials, and construction techniques to improve control

Providing Acoustical Comfort in Interior Spaces

  • Sound in buildings: sources and characteristics
    •  Exterior sounds
    •  Interior sounds
  • Residential buildings
  • Schools: classrooms and assembly spaces
  • Offices: private and shared spaces
  • Healthcare facilities: waiting rooms, exam rooms and workspaces
  • Commercial and industrial spaces
  • Designing to control sound
    •  ANSI S12.60 for schools
    •  LEED credits for acoustic control


Webinar Instructions

All attendees must log-on through their own email – attendees may not watch together if they wish to earn continuing education credit. HalfMoon Education Inc. must be able to prove attendance if either the attendee or HalfMoon Education Inc. is audited.

Certificates of completion can be downloaded in PDF form upon passing a short quiz. A link to the quiz will be sent to each qualifying attendee immediately after the webinar. The certificate can be downloaded from the Results page of the quiz upon scoring 80% or higher.

Webinars are presented via GoToWebinar, an easy-to-use application that can be run on most systems and tablets. Instructions and login information will be provided in an email sent close to the date of the webinar. It is highly recommended that you download, install and test the application before the webinar begins by clicking on the link in the email.

GoToWebinar App requirements:
Windows 7 – 10 or Mac OSX Mavericks (10.9) – macOS Catalina (10.15)

Web Browser:
The two most recent version of the following browsers:
Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge
Internet Explorer v11 (or later) with Flash enabled.

Internet connection: Minimum of 1Mbps       Hardware: 2GB RAM or more

For more information, visit the Support section at 


6.5 PDHs

6.5 HSW CE Hours

AIA - American Institute of Architects
6.5 LU|HSW

ICC - International Code Council
.65 CEUs (Building)


Continuing Education Credit Information

This webinar is open to the public and is designed to qualify for 6.5 PDHs for professional engineers and 6.5 HSW continuing education hours for licensed architects in all states that allow this learning method. Please refer to specific state rules to determine eligibility.

HalfMoon Education is an approved continuing education sponsor for engineers in Florida (Provider License No: CEA362), Indiana (License No. CE21700059), Maryland, New Jersey (Approval No. 24GP00000700) and North Carolina (S-0130). HalfMoon Education is deemed an approved continuing education sponsor for New York engineers and architects via its registration with the American Institute of Architects Continuing Education System (Regulations of the Commissioner §68.14(i)(2) and §69.6(i)(2)). Other states do not preapprove continuing education providers or courses.

The American Institute of Architects Continuing Education System has approved this course for 6.5 HSW LUs (Sponsor No. J885). Only full participation is reportable to the AIA/CES.

The International Code Council has approved this event for .65 CEUs in the specialty area of Building (Preferred Provider No. 1232).

Attendance will be monitored, and attendance certificates will be available after the webinar for those who attend the entire course and score a minimum 80% on the quiz that follows the course (multiple attempts allowed).

On-Demand Credits

The preceding credit information only applies to the live presentation. This course in an on-demand format may not be eligible for the same credits as the live presentation; please consult your licensing board(s) to ensure that a structured, asynchronous learning format is appropriate. The following pre-approvals may be available for the on-demand format upon request:
6.5 HSW LUs (AIA)


Aaron Bétit

Principal Consultant, Stewart Acoustical Consultants in North Carolina

Mr. Bétit has been collaborating in the acoustical consulting field for over 27 years, performing work in environmental noise and providing advice for schools, colleges, performing arts centers, television/recording studios, commercial towers, and mixed-use/residential buildings. He earned a bachelor’s degree in engineering with an emphasis in Acoustics and Music from the University of Hartford. Mr. Bétit is a contributor to the architectural engineering and construction community and advancement of acoustical consulting for the built environment. He is a member of the National Council of Acoustical Consultants (NCAC) as well as the Acoustical Society of America (ASA).

Joseph Bridger

Managing Principal, Stewart Acoustical Consultants in North Carolina

Mr. Bridger has provided architectural acoustics and solutions to building noise control problems, including room acoustics, isolation, and HVAC noise design advice over 31 years. He brings to his work the unique perspectives of a professional musician and strong talents in computer applications as well as engineering training. Mr. Bridger served on the Board of National Council of Acoustical Consultants (NCAC) 2011-18 representing individual members and is now vice president for Finance of NCAC. He is a past chair of the North Carolina Chapter of the Acoustical Society of America and is currently serving as Treasurer. As an active member in ASHRAE, Mr. Bridger has helped update of the standard for the Design of High-Performance Green Buildings.
Both principals have presented several papers to professional society chapter meetings and presented papers at national meetings of ASA NoiseCon and

AIA Info

AIA Provider Statement:

HalfMoon Education Inc. is a registered provider of AIA-approved continuing education under Provider Number J885. All registered AIA/CES Providers must comply with the AIA Standards for Continuing Education Programs. Any questions or concerns about this provider of learning program may be sent to AIA/CES ( or (800) AIA 3837, Option 3).

This learning program is registered with AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product.

AIA continuing education credit has been reviewed and approved by AIA/CES. Learners must complete the entire learning program to receive continuing education credit. AIA continuing education Learning Units earned upon completion of this course will be reported to AIA/CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request.

Course Title: Interior Acoustical Design and Construction

Delivery Method: Live Online

Course Description: This 6.5-hour course explores the principles and techniques of interior acoustical design and construction, focusing on sound characteristics, room acoustics, sound transfer between spaces, and providing acoustical comfort in various interior settings.

Learning Objectives:

Learning Objective 1:
Learners will be able to explore the principles of sound generation, transmission, and reception, distinguishing between loudness and frequency while understanding the impact of sound on individuals.

Learning Objective 2:
Learners will be able to explain strategies for controlling sound reflection and absorption in interior spaces, including managing reverberation and optimizing speech intelligibility.

Learning Objective 3:
Learners will be able to identify practical techniques for controlling sound transfer between spaces, such as utilizing appropriate materials and construction methods to enhance sound insulation.

Learning Objective 4:
Learners will be able to identify and apply acoustical design considerations for various interior settings, including residential, educational, office, healthcare, and commercial spaces, while adhering to relevant standards like ANSI S12.60 and LEED for acoustic control.

LUs: 6.5                                                                                              LU Type: LU|HSWs.

Prerequisites: Familiarity with the design and construction of interior spaces for meetings, entertainment, and/or privacy

Advance Preparation: None

Program Level: Intermediate

Course Expiration Date: 03/28/2027

Complaint Resolution Policy:

Complaints regarding this course can be emailed to or by calling (715) 835-5900. A HalfMoon Education representative will respond within 72 hours to resolve the complaint, which will include, but not limited to, access to another CE activity at no or reduced cost or a full or partial refund. Each instance will be resolved on a case-by-case situation.