​

Documentation and Training:
- Training Manual Course: The comprehensive training manual course serves as the primary manual for OTL Suite.
-  Help is accessible via F1 within the software.
- Tutorials and Resources: Several links to tutorials, help files, and videos were provided .
- Tutorial
- Help Files 
- Videos
- FAQ
- https://youtu.be/LJ59AQU1FUY (https://youtu.be/LJ59AQU1FUY)
- Relevant Academic Papers on OTL:  Publications .
- IOA Presentation of OTL: Absolutely recommended for understanding our unique methodology, available on the publications section of our website.

Key Technical Requirements & Caveats:
- Regional Settings: Ensure your computer's Regional Settings use a (.) Decimal point instead of a (,) comma to prevent coordinate errors.
- DXF Import Preparation: Before exporting your CAD model to DXF for OTL, you must unblock or "explode" all entities to prevent import failure. OTL cannot handle block entities.
- Modeling Limits: OTL has a limit of approximately 10,000 entities for DXF imports.
- Calculation Type: OTL uses the proper methodology based on physics which can surprise you.

Please ensure you have gone through all these resources before continuing your modeling process. ​

Olive Tree Lab Suite

The first integrated acoustics software for both indoors and outdoors.
Includes 5 modules: Room for room acoustics, Office for open-plan office, Terrain for outdoor sound propagation, Multilayered Structure Builder and sound distribution and scattering Polar Plotter.

Currently Olive Tree Lab Suite is offered for free.
Note: No support is provided. You can download the help manual here

Use the key below to activate your Olive Tree Lab Suite.
AEH70-I0P00-G3E8K-S8B2Y-1K4DP-JGQBT​

Room Modes

Calculate room resonances, ideal for recording studios and sound engineers.

​Room Modes is a subset of OTL Suite but it is only available on a subscription basis. You can purchase your subscription here

Please Note: No support is offered for Room Modes, we recommend reading the Help Files and FAQ sections.

Other Downloads

Scientific Papers Evaluation
OTL Terrain calculations have been evaluated by comparing the software results with results provided in the following scientific papers:

1.   S. Kim, J. S. Kim, H. J. Kang, B. K. Kim, and S. R. Kim, “Sound diffraction by multiple wedges and thin screens,” Appl. Acoust. 66, 1102–1119 (2005).      http://www.sciencedirect.com/science/article/pii/S0003682X05000332

2.   G.J. Wadsworth & J.P. Chambers, 2000 Journal of the Acoustical Society of America, 107(5), 2344-2350, 'Scale model experiments on the insertion loss of wide and double barriers' 
    http://scitation.aip.org/content/asa/journal/jasa/107/5/10.1121/1.428620



Download olive tree lab (terrain) example projects
  • Two I-Barrier Model
  • Apartment building - Air Conditioning units
  • Offices affected by chillers
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For Experimentation with the Calculations Options. Please also see OTL Help files
In this case study, noise generated from air-conditioning units of an apartment building is affecting the adjacent residence. Noise barriers were positioned strategically to address the problem. Inside the project are two configurations containing the current state without noise barriers and a proposed solution. Only three noise sources are used for faster calculation results. An actual picture of the project is included in the project file.
In this case study, noise generated by chillers on the roof of a building, affects neighboring offices. Barriers were placed to reduce the noise that disturbs the neighboring building. The project already includes a precalculated mapping which can be accessed in the output window.
Olive Tree Lab (Terrain) Validation Projects
You can verify the results by inspecting the following validation projects in OTL Terrain.

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What Our Clients Are Saying

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Paragon Acoustic Consultants had been reviewing different room acoustics software packages to standardise the software used within the practice. Various room acoustic packages were considered, however, a number of the software packages considered proved unfavourable due to limitations of room geometries that can be modelled, limited calculation outputs and general concerns that the software was unnecessarily difficult to use for even straightforward tasks. This practice has reviewed Olive Tree Lab Suite and found the software to be user friendly whilst providing a very high level of functionality. Having rented the software and modelled a number of relatively complex room acoustic projects, we are impressed with the software and in particular the very professional back-up and support provided by P.E. Mediterranean Acoustics R&D. At this stage the modelling functions for outdoor sound have not been used, however, having watched demonstrations by Mediterranean Acoustics via computer link–up the external modelling sections of the software look as impressive as the room acoustics modelling.

John Gillott

Acoustics Consultant
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Paragon Acoustics Consultants, UK

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The OTL Team is a delight to work with. Amazingly responsive to questions and requests, and constantly improving the product. When it comes to software development & support, many should look at this company as a model to follow.

Dominique J. Chéenne

Ph.D.
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 INCE, USA

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I would like to appreciate the team of OTL and Premard in terms of their continued support and efforts. OTL has been such a valuable tool that I keep coming back for more. With the new software OTL 4 Pemard has again made an effective tool for Acousticians worldwide.

Abraham Berin

B. Tech E&MT, M.Sc A&A (UK)
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Head of Acoustics, INFOSIGHT, UAE

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​I have been using the OTL Lab application for a number of years, mainly for teaching and demonstrations at undergraduate and postgraduate courses in acoustics and noise control. The program is user-friendly and incorporates an advanced high-level 3D designer tool for setting up virtual acoustic environments, allowing easy setting up of case studies and extracting results and maps for radiation and transmission for noise and other sources.
I find very useful the advanced physics engine for sound propagation which allows for wave-based simulations (plane or spherical) considering also atmospheric refraction. This enables OTL to achieve accurate results especially in large scale setups encountered in environmental studies. The interface for immediate comparison of analytical results with standardized approximations (ISO standards) or simplified computational methods such as ray tracing and image-source models allows for comprehensive evaluations in multiple levels of physical detail. Such features which have been utilized by the members of our Audio and Acoustic Technology group during research projects.
The support by the OTL team was extremely helpful and their response immediate, tackling queries at personal level and providing educational webinars for the students.

John Mourjopoulos

Professor
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University of Patras

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OTL is an appropriate tool for prediction of acoustic adjustments in room acoustics, outdoor environment and industry. It offers flexibility and an ease of the ability to customize. Thanks for the multi-layered structure for impedance, absorption and SRI prediction.

Toufic Attieh

Technical Manager
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Gresam Acoustic & Vibration Engineering, Lebanon

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Although designed for demanding Acoustics applications, Olive Tree Lab has been instrumental in my research and work. Despite its hugely detailed modeling of acoustic properties, primarily addressed to acousticians, through its intuitive interface, it has also proven invaluable for architectural design. Furthermore, the Mediterranean Acoustics team have vastly exceeded my expectations for 'after sales service' and provided a rare blend of scientific expertise and personal care – giving true meaning to the word 'support'.

Ilias Papageorgiou

Architect
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Greece

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We find OTL very intuitive and the customer service spectacular. Once the model was properly configured, the mapping software predicted very accurately and was within +/-5dB in comparison to actual field measurements.  We were able to provide client documents that were clear and intuitive and allowed them to prove compliance with local and state noise ordinances.

Thomas N. Ryan

Senior Consultant
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Technological Design Studios, LLC.

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Pemard did a fantastic job with our custom software application. Costas and Panagiotis were extremely responsive during the development process and were always helpful in immediately addressing our concerns and fixing issues where we found them. The custom software the team developed for us has been of huge help to our room acoustics design process and we could not have done this without their help. I would recommend Pemard to anyone needing custom acoustics software.

Anonymous

Acoustics Consultants
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USA

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