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AENEAS: Loudspeaker simulation on macOS and iOS
AENEAS: Loudspeaker simulation on macOS and iOS
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Old 2nd January 2017, 01:53 PM   #1
dspverden is offline dspverden  Germany
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Default AENEAS: Loudspeaker simulation on macOS and iOS

Hello,

first of all, I don't want to violate any rule on this forum. So, dear admins, please remove this thread if I do something wrong.

For years I am using Apple computers and I like them. But there was always the disadvantage that there is no loudspeaker simulation software that was made for macOS. I know, you can run the Windows stuff with Parallels or CrossOver or whatever. But I never liked these solutions. Besides that I love my iPad and again, there is no loudspeaker simulation software for it.
Thus, a few month ago I thought, let's change that: I made an app called AENEAS.
AENEAS can simulate several enclosure types:
- Infinite Baffle
- Closed Box
- Vented Box
- Bandpass 4th order
- Bandpass 6th order
For the simulation AENEAS needs the Thiele-Small-Parameters of a driver. In the 2nd step the enclosure is selected. To make the design of an enclosure quick, you can choose from some standard alignments given in the literature or you define everything yourself.
From your input AENEAS builds an equivalent electro-acoustic network and runs a SPICE simulation of it. Therefore, I have implemented a light-weight spice simulator, which I programmed myself. You don't have to run an external tool.
Currently AENEAS plots the following simulation results:
- SPL Magnitude @ eg in 1m distance
- SPL Phase
- Impedance Magnitude
- Impedance Phase
- Excursion @ eg
- SPL output driver and port
- Max. SPL
- Max. input voltage
- Max input power by amplifier
- Group Delay
- Transfer function of enclosure only
You can run several acoustic networks in the same project. That makes it easy to compare how the driver behaves in different enclosure designs.
A project can be saved and loaded. Again to make life easier you don't have to type in the TSPs parameters again and again. Once you entered them, you can save them in an XML-file, one file per driver. Thus, you can later load them again or send the file to a friend how wants to use that driver. The project files can be exchanged, too.

I know, there are many other things that could be implemented. But for the first release I wanted to limit the features, else it gets easily messy.

Yesterday I released version 1.0.0 for macOS on Apple's App Store for 5.99$.
https://itunes.apple.com/us/app/aene...=de&ls=1&mt=12
I am now working on the iOS cross-build which is currently in beta status.

Besides that I've a roadmap to add more features to AENEAS like Passive Radiators, Transmission Lines, passive and active crossovers etc.

I hope some of you will like it and are going to use the app.
I would like to offer some technical support here and would like to hear from you if you find a bug.

Raphael
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Old 2nd January 2017, 03:00 PM   #2
stonehome is offline stonehome  United States
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Finally, thank you. I'm looking forward to trying it but I was unable to download it through the link or by searching for Aeneas in the App Store. I'll keep trying.
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Old 2nd January 2017, 03:03 PM   #3
stonehome is offline stonehome  United States
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Ok, I am able to get it from my MacBook but not my iPad.
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Old 2nd January 2017, 03:46 PM   #4
dspverden is offline dspverden  Germany
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Well maybe I wasn't clear enough: The iOS version is not released yet since it is in beta status. It will be released the coming weeks.
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Old 3rd January 2017, 01:31 AM   #5
Pallas is offline Pallas  Pakistan
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Bought. Thank you for starting to drag loudspeaker simulation into the 21st century!

One thing that would be great is an import tool, e.g. for people with large driver databases in Unibox.
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Old 3rd January 2017, 10:38 AM   #6
dspverden is offline dspverden  Germany
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Yes that would be great indeed. I'll put this on the wishlist. But I need to now the file format of Unibox etc.

But first things first. There are some enclosures that I want to implement in AENEAS.
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Old 6th January 2017, 03:04 AM   #7
Pallas is offline Pallas  Pakistan
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Unibox just uses a sheet on an Excel spreadsheet.
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Old 7th January 2017, 08:48 AM   #8
hormilo is offline hormilo  Slovenia
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Hi,
bought it and like it.

There is one driver that constantly make app crash when vented box is choosed.

here is the data and please check where is the problem...
[IMG]
An externally hosted image should be here but it is no longer accessible. Please upload images instead of linking to them to prevent this.
upload image online free[/IMG]
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Old 7th January 2017, 10:02 AM   #9
dspverden is offline dspverden  Germany
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Ok. Thanks for reporting this. I'll check today what is going wrong with that driver.
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Old 7th January 2017, 10:12 AM   #10
dspverden is offline dspverden  Germany
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Ok. I found it. AENEAS tries to find a QB3 alignment for this driver but it cannot find a good design but tries this to infinity.
I'll fix that.
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