- 1). Open your preferred digital audio workstation (DAW). For example, Logic, Pro Tools or Reason. It may take a few seconds for the program to launch. Typically the last edited session opens automatically. If this isn't the session that you require, click "File" and "Open Recent." Select the correct session from the drop-down menu.
- 2). Open the "Arrange" window. DAWs have different windows for different applications, for example "Mixer" and "Arrange." The parameter controls and interface are different to suit the specific application. In this case, you want to see the entire audio file represented as a wave form, rather than the entire channel strip. To open the window, click on the "Arrange" tab at the bottom of the screen.
- 3). Right-click on the vocal audio file you want to add chorus to. Select "Copy."
- 4). Click "File" and select "New Audio." This opens a new audio channel. Double-click on the name box and rename the channel "Vox Chorus."
- 5). Right-click on "Vox Chorus" box. Select "Copy." If the two vocal tracks aren't next to each other in the arrange window, drag one of them and drop it in the channel strip above the other. This automatically rearranges the channels without affecting any of the settings or parameters. You need to be able to see both channels at the same time.
- 6). Click "View" and select "Zoom." This enables you to enlarge the sound wave graphic. The wave form is made up of peaks and dips that represent different volume levels. Because one audio file is a copy of the other, the peaks will be lined up exactly.
- 7
By manually moving one vocal file, it's relationship to the other changes.Comstock/Comstock/Getty Images
Click "Tools" and select "Scissors." Trim off a tiny amount of silence from the start of one of the audio files. Use the time bar at the top to guide you. Snip no more than one beat worth. This leaves a small gap at the beginning of the audio file. - 8). Click on the trimmed audio file and drag it to the left so that it sits flush against the zero line. Now that the audio has moved, the peaks and dips won't be perfectly lined up. This will create the distinctive modulation required for a chorus effect. Adjust the intensity of the effect by experimenting with the position of the second audio. Be careful not to make the effect too intense, otherwise it stops being a chorus and becomes a delay effect instead.
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