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Documentation on MLSSA format

SigmaDSP & SigmaStudio 1audio Jan 30, 2010 00:00 3 replies Original on forum ↗
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1audio Question
Jan 30, 2010 00:00

I'm looking for some info on the MLSSA format and how to convert the output from more modern acoustic analyzer applications (or maybe getting other formats supported) I have a Clio and a Praxis system but don't have a way to create the MLSSA format. I want to use the speaker response module.

response

speaker

ADIApproved Reply
Feb 1, 2010 00:00

Unfortunately, I don't think I can help with converting one analyzer output file to another. However, I have attached a MLSSA file that does work with SigmaStudio's speaker response block.You can look at this to get an idea of how the file should look. If you're manually creating your own file to use in SigmaStudio, be careful with the spacing and numerical alignment. I'm not sure if the sensitivity is in the file format or SigmaStudio's interpretation of the files, but it is very sensitive to the alignment of the data (commas should be aligned, no comma after the phase value, column header quotation marks should align with the last digit in the column, etc.) If you follow the attached file as a template, you should be able to visualize your measurements in SigmaStudio.

Note that SigmaStudio only uses the MLSSA file to display the speaker response; it does not generate filters to adjust the response to a target.

1audio Reply
Feb 2, 2010 00:00

Thanks for the update. I will be looking at solutions for the translation. it seems to be simple enough to use an excel macro. The Praxis supplies data in almost the same form, however in scientific notation without the spaces after the commas. Is the phase data used in SigmaStudio?

-Demian

ADIApproved Reply
Feb 2, 2010 00:00

Yes, SigmaStudio's probe windows will display the phase, as well as the frequency response of the MLSSA file.