The Magnify Tool

 

Edit Menu:
Tool

From the Edit menu, choose Tool and then choose Magnify from the submenu to select the Magnify tool.

Use the Magnify tool to zoom in to a particular region without losing your selection. Drag the mouse over an area to zoom in. Sound Forge will draw a dotted rectangle around the area and will magnify the area when the mouse button is released.

While holding the left mouse button, click the right mouse button to toggle through the three magnification modes:

While using any tool, if you hold the Ctrl key down before making a selection with the mouse, you will switch to the Magnify Tool. This is handy for quickly magnifying a particular section of your sound file.