Integral Acoustics
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Integral Acoustics
Loudspeaker coverage in church.
LARA can be used to predict the direct field coverage of one or more
loudspeakers over a defined listening area. In the basic package the
listening area is defined by selecting from a library of room shapes and
entering the key dimensions.
Louspeaker coverage data can be read from EASE 2, EASE 3 and CLF format data files. The cabinet geometry is added to the imported data and all data is stored in a native cabinet library. Many CLF files containn cabinet geometry and do not require the user to define it.
Major features include:
1. Definition of rooms using a library of pre-defined shapes. You just supply the key dimensions.
2. Definition of rooms with arbitrary geometry (with optional full geometry module).
3. Mouse driven display pan, zoom and rotate.
4.Use of EASE 2 or EASE 3.0 format data for loudspeaker coverage, this data is available from many loudspeaker manufacturers (EASE 3.0 data must be translated user the free software, PolarView, included with LARA).
5.Calculation at third octave frequencies
6.Choice of power summation or complex addition to calculate coverage and response
7.Display of contours showing SPL or geometric data (e.g. distance from loudspeaker) on individual surfaces or groups of surfaces.
8.Line of sight acoustic shadowing calculations show regions that have no line of sight to loudspeakers.
9. Choice of results display modes, trading off speed of calculation for resolution. Spot mode gives virtually instantaneous coverage display.
10. Display of signal arrival time and levels for individual loudspeakers (Direct ETC) at a discrete point. Directly shows the affect of adding delays to loudspeakers.
11.Display of computed frequency response at discrete points. Display has separate controls for display and calculation resolution with smoothing.
12. Loudspeakers can be configured in clusters which can then be added to the room and oriented as a single unit.
13. Loudspeakers arranged in regular patterns can be quickly configured as clusters using array definitions.
Louspeaker coverage data can be read from EASE 2, EASE 3 and CLF format data files. The cabinet geometry is added to the imported data and all data is stored in a native cabinet library. Many CLF files containn cabinet geometry and do not require the user to define it.
Major features include:
1. Definition of rooms using a library of pre-defined shapes. You just supply the key dimensions.
2. Definition of rooms with arbitrary geometry (with optional full geometry module).
3. Mouse driven display pan, zoom and rotate.
4.Use of EASE 2 or EASE 3.0 format data for loudspeaker coverage, this data is available from many loudspeaker manufacturers (EASE 3.0 data must be translated user the free software, PolarView, included with LARA).
5.Calculation at third octave frequencies
6.Choice of power summation or complex addition to calculate coverage and response
7.Display of contours showing SPL or geometric data (e.g. distance from loudspeaker) on individual surfaces or groups of surfaces.
8.Line of sight acoustic shadowing calculations show regions that have no line of sight to loudspeakers.
9. Choice of results display modes, trading off speed of calculation for resolution. Spot mode gives virtually instantaneous coverage display.
10. Display of signal arrival time and levels for individual loudspeakers (Direct ETC) at a discrete point. Directly shows the affect of adding delays to loudspeakers.
11.Display of computed frequency response at discrete points. Display has separate controls for display and calculation resolution with smoothing.
12. Loudspeakers can be configured in clusters which can then be added to the room and oriented as a single unit.
13. Loudspeakers arranged in regular patterns can be quickly configured as clusters using array definitions.
14. Probe reports computed values at a location simply by clicking
on it.
15. An Ear Height correction can be entered. Results can be displayed on a surface or at ear level.
16. Generates report showing average power requirements, peak power requirements and mass for each loudspeaker and cluster and for the whole system. Loudspeaker headroom is also reported.
17. Export of room geometry to CATT-Acoustic
The room can be viewed in 3-D wireframe and a probe can be used to determine the SPL, distance from loudspeaker and loudspeaker angles for a selected point.
Loudspeakers can be assembled into clusters and then placed and oriented together.
When system design is complete an HTML report can be generated that documents the design, including loudspeaker power requirements.
Results calculated include:
SPL over surfaces, calculated by power or complex summation.
Signal arrival time and level from every loudspeaker.
Direct frequency response at any audience location.
Loudspeaker headroom, input power required and total weight.
Geometric data such a distance and angle from selected loudspeaker.
Room volume.
Price for basic package $275 Canadian.
Key Benefits
Improved loudspeaker selection and placement.
Predict interaction between multiple loudspeakers.
Extensive library of loudspeaker data available
15. An Ear Height correction can be entered. Results can be displayed on a surface or at ear level.
16. Generates report showing average power requirements, peak power requirements and mass for each loudspeaker and cluster and for the whole system. Loudspeaker headroom is also reported.
17. Export of room geometry to CATT-Acoustic
The room can be viewed in 3-D wireframe and a probe can be used to determine the SPL, distance from loudspeaker and loudspeaker angles for a selected point.
Loudspeakers can be assembled into clusters and then placed and oriented together.
When system design is complete an HTML report can be generated that documents the design, including loudspeaker power requirements.
Results calculated include:
SPL over surfaces, calculated by power or complex summation.
Signal arrival time and level from every loudspeaker.
Direct frequency response at any audience location.
Loudspeaker headroom, input power required and total weight.
Geometric data such a distance and angle from selected loudspeaker.
Room volume.
Price for basic package $275 Canadian.
Key Benefits
Improved loudspeaker selection and placement.
Predict interaction between multiple loudspeakers.
Extensive library of loudspeaker data available