User's Manual - Cornell Lab of Ornithology - Cornell University

Chapter 5: Multi-track DocumentsThe number of tracks in a document is determined when data are firstrecorded or pasted into the document, or when the document is created inanother program. You cannot add or remove tracks once the number of tracksin a document has been determined. You can, however, copy or save selectedtracks (see the sections on “Editing multi-track signals” and “Saving selectedtracks” later in this chapter).If you request a spectrogram or spectrum in a multi-track document, theanalysis is always done for all tracks.The track paletteWhen you activate a window containing a multi-track document, Canarydisplays a small control window called the track palette (Figure 5.2). You canhide a document’s track palette by clicking the palette’s close box. You candisplay the track palette if it is hidden by choosing Track Palette from theWindow menu.Apply multipleselectionsSelect all tracksShow / hide tracksSelect tracksFigure 5.2. The track palette for a stereo (2-track) signal.Showing andhiding tracksTrack selectionsMultiple selectionsWhen you first open or record a multi-track document, all tracks aredisplayed. Tracks are numbered consecutively, with Track #1 displayed at thetop of the window. (See the section on “Display options for multi-trackdocuments” later in this chapter for an explanation of how to display tracknumbers in the signal window.) You can toggle a track between being shownand being hidden by clicking on its rectangular Track N button in the trackpalette. One track must always be showing in any document.The small square buttons on the righthand side of the track palette are trackselection buttons. When a track is selected, its selection button is depressed andcontains a black circle. The track selection buttons are used to specify whichtracks will be affected by editing commands and the Save sound tracks...command, as discussed in the sections on “Editing multi-track signals” and“Saving selected tracks” later in this chapter. Track selections also controlwhich tracks are played by the Play Selection command or button.You can automatically select all tracks by clicking the All button in the trackpalette.If you hold the option key down while clicking on a track’s show/hide button,the track’s button is marked with a small circle (Figure 5.3). The window is notredrawn to change which tracks are displayed until you click the Apply80 Canary 1.2 User’s Manual