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This paper presents our work to date on a haptic interface whose immediate aim is to provide access for blind sound engineers to the graphics-based computer interfaces currently found in digital sound studios. We describe the hardware and supporting software which together reinterprets a Microsoft Windows screen for the haptic senses. With a haptic interface, screen objects such as buttons, sliders and pull-down menus are presented mechanically to the user's haptic senses (kinesthetic and tactile), where they can be felt, located, identified, and, through the use of the same device for input, activated. We have built a prototype two-axis device which operates much like a mouse, except that it is also able to move under its own power. Using this prototype device we have already implemented an interface for Microsoft Windows and have proven the feasibility and usefulness of the haptic interface approach for non …