User Guide/Waveform and Segmentation Viewer/Profile Settings Dialog (Waveform and Segmentation Viewer)

This STx-related article may be outdated.

This is the setup and start dialog for the Waveform & Segmentation Viewer application. You reach this dialog by selecting a Waveform & Segmentation Viewer profile in the Workspace and selecting 'Settings' from the context menu.

Dialog Layout

At the top of the dialog window the control buttons and the controls for the source signal selection are located. Below the source signal controls the controls for the application settings are displayed in two groups. On the left side are the settings for the three plot regions zoom, segment lines and overview and on the right side are the general settings and some buttons for sub-dialogs.

Control Buttons

Start

Save settings into the profile displayed in the dialog caption, close the dialog and start the application. This button is only displayed if one or more signals are selected in the Overview or Detail window of the Workspace. If multiple signals are selected, for each signal a separate application is started.

OK

Save settings into the profile displayed in the dialog caption and close the dialog, but do not start the application.

Cancel

Close the dialog without saving the changes. Note: The Start button is only displayed if a valid object is selected in the Workspace (e.g. a segment or sound file).

Source Signal

Set

Shows the XML-reference (IRef) of the audio-set containing the source signal

Seg

Contains the ID of the selected segment or the address (task-expression) of the source signal. This field can be edited.

Chn.

Source signal channel (All, 1, 2, ...). The contents of the combobox depend on the number of channels of the audio-set. Note: If multiple source signals are selected, only the number of selected signals (on the left side) and the Chn.-selection is displayed, the Set- and Seg-controls are hidden.

Zoom Settings

The zoom graphs shows the signal around or between the cursors of the segment lines graphs.

zoom

Show (check) or hide (not checked) the zoom window(s).

height

Set the relative height of zoom region. Note that this can also be set in the General Settings dialog.

range

Range of amplitude-scale of the zoom window(s). If the in % box is checked the range is specified in percent of the full range value (see General Settings), otherwise range is an absolute signal amplitude value. The value of this field must be greater than zero. The amplitude-scale of the zoom window is scaled from –range to +range.

envelope

If checked, only the envelope of the waveform is displayed, otherwise the waveform function is filled.

window

Length of the signal displayed in the zoom window in milliseconds. This value is used for zoom-windows displaying the mode around-active. In this case the time-scale of the zoom-window is scaled from –window/2 to +window/2.

cursor

Selects the cursor style

function bound

If checked, the Y-position (amplitude) of the cursors are bound to the waveform function, otherwise the cursor can be moved free.

rubber line

If checked, a rubber line is drawn between the two cursors

line

Selects the function line style and color for the zoom window waveform function (see Color Schemes)

mode

This field selects one of three available zoom modes: between-cursors (one zoom window containing the signal between the two segment lines cursors), around-active (one zoom window containing the signal around the active/selected segment lines cursor) or around-both (two zoom windows each containing the signal around one cursor of the segment lines region).

Segment Lines Settings

lines

Number of display lines for waveform of source segment. This number must be in the range 1 to 8.

height, envelope, range, in %, cursor, line

See zoom settings.

show segments

If checked, the segment markers for all segments in the range of the signal plotted in the segment lines graphs are shown. The marker format and style and the displayed text are configured in the segment markers dialog which can be opened with the button Segs.

Segs

Open the segment marker settings dialog.

Overview Settings

timebar only

If checked, only the time scale is displayed but the signal waveform is not plotted. This can be useful if the soundfile is very long, since plotting a long file takes time.

For the other settings read the description of the settings for segment lines and zoom.

General Settings

Automatic Printout

If checked, the printout of the waveform plot is started automatically and the application is closed when the printout is finished. The button starts the print settings dialog.

do not print cursor

If checked, the cursors are not printed. This option only works for the automatic printout.

Automatic Segment Names

If checked, the id of new segments is assigned automatically. The format of the automatic name depends on the settings of the Automatic Segment Names dialog, which can be opened with this button.

show x grid, show y grid

Enable/disable the grid on the x/y-scales of the waveform plot.

show dialog

If checked, the control and segmentation dialog of the waveform plot application is shown, otherwise in is hidden.

enable one-click range selection

If checked, you can set a new cursor range by clicking anywhere in the graph, dragging and letting go. This can make selecting a cursor range very easy. However, if you prefer to be able to change the cursor range only by selecting a cursor and dragging it, please disable this check box.

Color Scheme

With this button the Color Scheme and Settings dialog is opened to select and/or configure the plot colors, line styles and general graphics settings. The selected color scheme is displayed in the button caption.

full range

The amplitude value of the full signal attenuation. This value must be greater than zero.

draw frames

Number of frames (blocks) to be used for plotting long signals. This number is set to 100 by default and must be greater than 2. It can be used to optimize the graphics transfer rate. Normally it need not to be changed.

play window

Set length (in milliseconds, greater than 0) and position (before/after selected cursor) of the play window. The waveform plot application plays the signal of the play window, when the space-bar is pressed.

timescale

Select which unit should be used for the time axis (x axis). If 'layout defaults' is specified, the settings defined in the Display Layout and Format dialog are used.

amplitude scale

If set to 'automatic', the optimal amplitude scale based on the selected signal is used, otherwise the graph's 'range' settings are used.