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Omnimic and Distortion Plot Screenshots

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  • Omnimic and Distortion Plot Screenshots

    Anyone know how to get Omnimic to export distortion screenshots at 5 dB increments on the graph? Mine used to do this and then just started doing 10 dB increments automatically with a very vertically compressed image. I can't figure out how to get it to change back or maybe there was just an update that changed it so that this is all you can get now. It's just kind of a pain in the butt to have to take a manual screenshot every time I want to export a distortion graph.
    -Kerry

  • #2
    Hi Navy Guy,

    Please see the attached image. Circled in blue you will find the control you are looking for, these buttons will allow you to adjust the Y axis scale to your liking.

    Also see circled in red an "auto" checkbox that you will want to disable if you don't wish for this to happen again. Below this checkbox are the buttons to move the Y axis of the graph up and down.

    Please note that along the bottom of the graph, you will find corresponding buttons for the X axis.

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    • #3
      Originally posted by [email protected] View Post
      Hi Navy Guy,

      Please see the attached image. Circled in blue you will find the control you are looking for, these buttons will allow you to adjust the Y axis scale to your liking.

      Also see circled in red an "auto" checkbox that you will want to disable if you don't wish for this to happen again. Below this checkbox are the buttons to move the Y axis of the graph up and down.

      Please note that along the bottom of the graph, you will find corresponding buttons for the X axis.
      Thanks for the quick response but that is not the issue I am referring to. My plot is scaled to 5 dB but when I use the snapshot feature to export the graph as an image, it automatically re-scales the graph to 10 db increments no matter what the scale I have on the chart in Omnimic looks like.
      -Kerry

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      • #4
        Originally posted by Navy Guy View Post

        Thanks for the quick response but that is not the issue I am referring to. My plot is scaled to 5 dB but when I use the snapshot feature to export the graph as an image, it automatically re-scales the graph to 10 db increments no matter what the scale I have on the chart in Omnimic looks like.
        You are right, sorry for the misinterpretation.

        It does seem that you have found a bug we weren't aware of. If you open the program, switch to the distortion tab, and make no modifications to the Y scale, it will automatically scale it to 10 db increments in the snapshot instead of 5 db like it displays in the program.

        A workaround for now that you can try is to make any modification to the scale, and then change it back to the scale you want. In our tests, this results in the correct scale for snapshots.

        Please let us know if this workaround does not work for you. Thank you for bringing this to our attention, we will get it fixed.

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        • #5
          Another option is to export as a text file, and then open it through Excel as a CSV, which you can then save as a worksheet with a graph exactly as you specify.

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          • #6
            The CSV export also has a bug, first column is space separated, not comma.
            "I just use off the shelf textbook filters designed for a resistor of 8 ohms with
            exactly a Fc 3K for both drivers, anybody can do it." -Xmax

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            • #7
              Originally posted by dcibel View Post
              The CSV export also has a bug, first column is space separated, not comma.
              True, but Excel lets you choose the delimiters that designate the column breaks, so I just select the applicable ones to get the columns to show up nicely on the final spreadsheet.

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              • #8
                Originally posted by guitar maestro View Post

                True, but Excel lets you choose the delimiters that designate the column breaks, so I just select the applicable ones to get the columns to show up nicely on the final spreadsheet.
                When I click on "file" it won't pull up the drop down menu. Nothing happens so I don't have a way to do this.
                -Kerry

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                • #9
                  It's still a bug
                  "I just use off the shelf textbook filters designed for a resistor of 8 ohms with
                  exactly a Fc 3K for both drivers, anybody can do it." -Xmax

                  Comment


                  • #10
                    Originally posted by Navy Guy View Post

                    When I click on "file" it won't pull up the drop down menu. Nothing happens so I don't have a way to do this.
                    When you try to open the file, you first have to change the "file type". Once you do, then you would be able to open the text file that is saved from OmniMic. I do this all the time with the HD plots I take.


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                    • #11
                      Originally posted by guitar maestro View Post

                      When you try to open the file, you first have to change the "file type". Once you do, then you would be able to open the text file that is saved from OmniMic. I do this all the time with the HD plots I take.


                      I can't actually export the file from Omnimic. The file tab won't give me the drop down of options to export it.
                      -Kerry

                      Comment


                      • #12
                        Right click on the distortion plot.
                        "I just use off the shelf textbook filters designed for a resistor of 8 ohms with
                        exactly a Fc 3K for both drivers, anybody can do it." -Xmax

                        Comment


                        • #13
                          I switched back to version 4.70 to avoid these issues. Everything works fine in that version
                          Click here for Jeff Bagby's Loudspeaker Design Software

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                          • #14
                            Originally posted by Jeff B. View Post
                            I switched back to version 4.70 to avoid these issues. Everything works fine in that version
                            Do you have a copy of that version? I only have the disc and that version has issues with the absolute SPL
                            -Kerry

                            Comment


                            • #15
                              I've found Ominimic 4.68 is available here:

                              http://www.daytonaudio.com/downloads...all%204.68.zip

                              Gave it a try, and you can save the distortion plot text file from the File menu, the distortion CSV file is properly formatted, and if you save a distortion image, it contains the correct scaling. Thanks Jeff B.

                              Of course all the new features of the 5.04 software are missing, so you have to weigh the importance of that.
                              "I just use off the shelf textbook filters designed for a resistor of 8 ohms with
                              exactly a Fc 3K for both drivers, anybody can do it." -Xmax

                              Comment

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