What we do.
Audio-visual Integration Acoustics Control System Design Loudspeaker Design
Consulting and Design-Build Services
Architectural Acoustics
Audio Visual Systems
/integrated design/
"a design outcome in which many different parts are closely connected and work successfully together"
Who we are
Shaping Experiences. Removing Barriers. Building Connections.
We merge art, science, technology, architecture and engineering. We consult, design, build, commission, train, and service. We shape the experience of any building user by crafting a seamless, frictionless acoustic and technology environment.
We know that our clients need audio visual systems that are simple and elegant, and function perfectly on the first try. They have to wow and satisfy all the users and viewers.

Ubisoft, Toronto
Dolby Atmos Studio
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Design
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Develop
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Wolf Hall, London ON
Loudspeaker design
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Design
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Develop
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Durham College, Oshawa
Media Hub
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Design
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Develop
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Our Work in Action
Check out our newest projects
Striving to make the web a more beautiful place every single day
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Interior Acoustics
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Broadcast video
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Pro Audio-Visual
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Building Mechanical Noise and Vibration
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Sound Isolation
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Control Systems
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Meet our team who make it happen.

John Herder (MSc. Architectural Acoustics, CTS-D) is the founder and Design Principal of acoustics & audio-visual at OCTAV. He has worked on varied projects across Canada and the United States, and specializes in interior acoustical modeling & design, sound isolation analysis & prediction, and loudspeaker modeling, design, and optimization. He earned his Master’s degree from Rensselaer Polytechnic Institute in Troy, New York, and has additional degrees in electro-acoustic music composition and audio engineering. John enjoys teaching about acoustics and audio systems design and has lectured at the Ontario Institute of Audio Recording Technology (OIART) in London and Metalworks Institute in Mississauga.



Gem Lee (MSW, RSW) is a human services management professional with over 15 years’ experience in diverse sectors. As Culture and Communications Lead at OCTAV, she is passionate about building a people centred culture and genuine relationships, and clear communication. When she’s not at work, Gem is busy chasing after her adventurous toddler and volunteering at a local community health centre board.

As Project Lead at OCTAV, Reg is responsible for managing the installation of acoustics and AV systems, as well as coordinating with clients, project sites, trades, and installers. He has over 30 years of experience in construction and mechanics and is highly skilled at troubleshooting the realities of real buildings, turning designs on paper into real life.

Heidi Tratnik (CPA, CGA) acts as Controller for OCTAV. Her accounting practice fulfills the Controller function and offers internal accounting support for companies across Canada. With over 15 years of experience in companies from a variety of industries, she is focused on helping entrepreneurs turn their vision into a sustainable business. Having worked with John and OCTAV from its early days, she is excited to be a part of this thriving business.



Heidi Tratnik (CPA, CGA) acts as Controller for OCTAV. Her accounting practice fulfills the Controller function and offers internal accounting support for companies across Canada. With over 15 years of experience in companies from a variety of industries, she is focused on helping entrepreneurs turn their vision into a sustainable business. Having worked with John and OCTAV from its early days, she is excited to be a part of this thriving business.
Nothing speaks louder than the words of our happy clients.
Check out their reviews below.


















































































































































































































Ready to work with us? Let’s get in touch.
88 Northcote Avenue,
Toronto, ON M6J 3K3 Canada
+1 416 (402) 6334
info@octav.ca
