Soundfile Windows

The soundfile window displays the plot of a selected fragment of the signal with a desired time and amplitude resolution. The calibration units are shown along the left and bottom edges of the view, and can be altered by changing the time zoom and volume zoom coefficients displayed on the toolbar. The vertical and horizontal position of the signal display window can be controlled using the vertical and horizontal scrollbars, respectively. In the case of stereo soundfiles, both channels are shown on one plot unless you display one of them at a time by pressing the LEFT/RIGHT channel buttons situated on the toolbar.

The horizontal (time) axis is calibrated in hours, minutes and seconds or in samples. To select or change the calibration units, use the Time scale box in the Preferences dialog, available from the Options menu. Use the same dialog to set the default time zoom.

The small Info window appearing in the upper-right corner of the soundfile window contains information about the current position of the cursor (t), the value of the corresponding sample (S(t)) or - for a stereo recording - of a pair of samples (L(t), R(t), standing for the left and right channel, respectively), the size of the file measured in bytes (FS) and coordinates of a selected block of samples - if any (BS/BE).

If the time zoom coefficient is greater than one, S(t) is the largest value within a group of several consecutive samples (for example, when the time zoom factor is set to 100, the largest sample value in a group of 100 is displayed). In order to move the Info window, click it and drag to a new position. You can also remove the Info window by unchecking the Info command available from the Shortcut menu (appearing on the screen when you click the right mouse button).

The two buttons situated in the upper-left corner of each soundfile window are used in the course of sound renovation. The SOURCE button, which turns red when pressed, indicates a soundfile scheduled for renovation. The DESTINATION button, turning blue when activated, marks a soundfile which will contain the results of renovation (provided that the system is operated in the overwrite mode). Only one soundfile at a time can be assigned a source status, and only one - if any - can have a destination status; the source and destination soundfiles must differ.

Read the section on audio trees to find more details and hints on source/destination mechanisms provided by the system.

Creating and using audio trees