Editing Multichannel Files

In Soundtrack Pro, you can edit multichannel files with up to 24 channels, including the following types of multichannel files: AIFF, WAV, Broadcast Wave, QuickTime, and single folder/multi-mono file AIFF.

Figure. File Editor showing a multichannel file.

Selecting and Editing Channels in Multichannel Files

Editing multichannel files in the File Editor is similar to editing in a multitrack Timeline.

To make a selection across all channels
  • Drag in the bottom 90 percent of any channel.

To make a selection in an individual channel
  1. Move the pointer to the top 10 percent of a channel row.

    The pointer changes to indicate the channel name or number.

  2. Drag in the channel row over the area you want to select.

To make a selection in multiple, adjacent channels
  1. Move the pointer to the top 10 percent of a channel row.

    The pointer changes to indicate the channel name or number.

  2. Drag in the channel row to the area you want to select.

  3. Continue dragging up or down to include the adjacent channels.

To make a selection in multiple, nonadjacent channels
  1. Move the pointer to the top 10 percent of a channel row.

    The pointer changes to indicate the channel name or number.

  2. Drag in the channel row over the area you want to select.

  3. Command-click in the bottom 10 percent of any nonadjacent channels.

    Note: Nonadjacent selections must be within the same time range.

To disable or enable an individual channel
  • Control-click a channel, then choose Enabled from the shortcut menu to turn it on or off.

To enable all channels
  • Control-click a channel, then choose Enable All from the shortcut menu.

To disable all channels
  • Control-click a channel, then choose Disable All from the shortcut menu.

To add, subtract, or reorder channels
  • Choose Process > Edit Channels, then use the dialog that appears to add, subtract, or change the channel order.

For more information, see Edit Channels.

Creating a New Multichannel Audio File

You can create a new multichannel file and specify the number of channels and the sample rate.

To open a new multichannel audio file
  1. Do one of the following:

    • Choose File > New > Audio File (or press Command-Shift-N).

    • Click New Audio File in the Toolbar.

  2. Choose an option from the Channels pop-up menu:

    • Mono

    • Stereo

    • Surround (5.1)

    • Other

      Note: If you choose Other, use the value slider to enter the number of channels for the new audio file.

      Figure. New Audio File dialog.
  3. Enter a sample rate in the Sample Rate field or choose one from the pop-up menu.

  4. Click OK.