The Source Editor can be used to edit these types of objects:
Audio Source (A WAV or AMB file)
Source Plug-ins (Silence, Sine, Tone Generator, and so on)
The editing functions such as trimming, looping, and fades are not available for Audio Source objects in the Interactive Music Hierarchy, because these operations are available as part of the Music Segment and Music Clip objects.
The operations described in the following sections are stored in the project's Work Units. The operations occur during conversion of the source material and are non-destructive.
For a reference to the Source Editor, see Source Editor: Audio Sources.
Trimming can be used to remove silence at the beginning or the end of WAV files to save space in your game. Content outside the Trim Start and Trim End is excluded during conversion and playback.
To define the trim positions:
Drag the Trim Start (square handle at the lower-left corner of the waveform).
Drag the Trim End (square handle at the lower-right corner of the waveform).
To define fade-in and fade-out regions
Drag the Fade-in handle (triangle handle, at the top-left corner of the waveform).
Drag the Fade-out handle (triangle handle, at the top-right corner of the waveform).
Right-click a handle to select a fade curve.
To adjust loop points, with crossfading:
In the containing or parent Sound object, enable Loop.
In the Source Editor, enable Override wav loop points. This overrides loop points in the WAV. Otherwise they are used by default. Override wav loop points is enabled automatically when you set a Loop Start in the next step.
Drag the Loop Start (green handle, at the top-left of the waveform) to the right. To avoid looping clicks and pops, we recommend positioning loop points at zero crossing positions of the PCM data.
Drag the Loop End (red handle, at the top-right of the waveform) to the left.
In the side panel, define the Crossfade Duration. This creates smoother loops and can remove clicks and pops.
Audio source files can have markers, sometimes referred to as sync points or cue points. Markers have unique IDs tied to a position in the file. Wwise can use these markers in the Source Editor's graph view. It can also edit them or add its own, without impacting the original file.
Click and drag markers as desired to the location you want to flag in the source file. You might, for example, want to show where there are problems in the file. Alternatively, perhaps you want to highlight the start of something important. If it were dialogue, you might try to demarcate the speaking points of different characters. Mark things according to whatever works best for your situation.
These are the Marker Input Modes to choose from in the Source Editor's side panel:
Use File Markers: The source audio file's markers are used.
Use Markers From Transients: Markers are placed by automatic onset detection. These will not appear until you move the Marker Detection Sensitivity slider. The higher the sensitivity, the higher the chance to have markers. Adjust the slider so that detected onsets are closest to what you desire. Then you can edit them manually. Once you edit a marker, the markers mode changes to Manual Markers.
Manual Markers: The markers as set by the user are used. Selecting Manual Markers does not change the markers from what they were in the previous selection. Whether file markers or markers from transients, users can directly edit them at any time. As soon as anything is edited, the marker's selection is set to Manual Markers.
Within the Source Editor graph view, there are four convenient shortcut menu options for working with markers.
Marker-specific shortcut menu options:
Add Marker: This option appears when opening the shortcut menu from anywhere within the Source Editor's graph view outside of an existing marker. It creates a new, unlabeled marker at the specifically selected point of the graph view's timeline.
Delete All Markers: This option appears when opening the shortcut menu from anywhere within the Source Editor's graph view. It removes all the markers from the source file. This does not affect the original file markers.
Delete Marker: This option appears only when opening the shortcut menu from a specific marker handle. It removes that marker. It does not affect the original file marker.
Edit Marker Label…: This option appears only when opening the shortcut menu from a specific marker handle. It prompts the Edit Label dialog, loaded with the selected marker's current label, where you can change the label as desired.
Edit Markers in List View: This option appears when opening the shortcut menu from anywhere within the Source Editor's graph view. It prompts the List View, where two marker-specific columns can be viewed and edited for all the source file's markers (including the ones created in Wwise).
![[Tip]](/images/2023.1.8_8601/?source=Help&id=tip.png) | Tip |
|---|---|
Apart from using undo operations (Edit > Undo, Ctrl+Z), you can easily return to the original file's markers by changing the Marker Input Mode to Import From File. Careful though! All your manual inputs will disappear. |
The following image gives an overview of basic marker options within the Wwise Source Editor.
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