Increased budget: GUI redesign: 10 year old user interface needs modern look-and-feel

This is what ALLDSP GmbH & Co. KG was looking for in their app design

UPDATE: Please DO look at more than only th eone image I attached! Almost all designs are simply reworks of that one picture. That is not what we are looking for. Check out the video to understand what the product does, and try to make something better.
We have an existing app (see https://www.alldsp.com/downloadAllControl.php?vers=3_9_1_140964&dir=AllDSP_OEM/3_9_1_140964&name=DSP_Control_Software) which needs refreshing. See also a video here: https://alldsp-oem.com/software/ and the user manual attached here. The GUI is now 800x400 pixels, which is too small; and not scalable, which will be fixed in the future. We need a new, modern look-and-feel, and images that can be exported from the design in various sizes. The current design is attached as well as a collection of PNG files. The overall layout can stay similar, although we are open to good ideas for improvements. The design should be targeted at professional users, not end users; the product is used by audio profes… Read more