![]() Spectrogram Layer Controls a = colouring scheme Colour a b c d b = threshold c = gain d = rotation e g f Scale e = display: amp in dB, linear or meter or phase h i j m f = fit columns to maximum colour range k l g = display type: raw DFT (all bins), peaks only, or detected frequencies Hold mouse over a parameter to display its name as a tooltip. Create a new spectrogram in the current pane by selecting “Add Spectrogram” from the “Layer” menu.Active layer is shown on top of other layers Create a new spectrogram pane by selecting “Add Spectrogram” from the “Pane” menu.File is downloaded from the web and loaded like a local annotation file.Īctive pane marker Creating a spectrogram.paste a web address in the file name field.Import an annotation file as usual for a local annotation file.Zooming in shows individual numbers in grid.Load data files with setting: “A set of values at a time”.Time Function Styles Lines Points Curve Stems Segmentation Connected Points Very important! Preview of file contents Time Functions. Very important! Preview of file contents Time Instants. Types of Annotation Layers Optional text labels Instants “A point in time” Functions “A value at a time” Grids “A set of values at a time” Waveform Layer (2) Channel display types Separate Mean (left + right)/2 Butterfly left Absolute value right Waveform layer tab Colour of waveform Automatic gain Manual gain Display style Pan to left/right speaker Show/Hide waveform Layer volume Play/Mute Notice that active layer is display on top of other layers.None– don’t update display (good for slower computers).Page– update display to next page when playcursor gets to end of pane.How display updates when playing an audio file:.Click-drag left/right or up/down to change values. ![]() Don’t think in terms of twisting to change values increase decrease.Draw Mouse is used to add data in active layer. Select Edit Mouse is used to change data in active layer. ![]() Important to understand mouse modes: Navigate Mouse is used for panning left/right in pane Mouse is used to select time regions (behaviour is slightly different in different layer types).Toolbars Constrain to selection Loop playback Undo/ Redo Playback controls Mouse modes Open files Edit Mostly selection controls and copy/paste/undo commands View Text overlay controls and navigation controls Pane Pane controls (Pane = a display window) Layer Layer controls (Layer = a layer in a pane) Help Help and information materials Menus File For loading and saving audio files and annotation layer information. Layer controls for pane Playback Speed control Waveform navigator Pane display region Volume control and Loudness meter Playback position. ![]() SV Main Window Components Menus Toolbars
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