Adobe Premiere Pro CS6 - Manual (Page 278)

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exceeds the available tracks in a sequence. It is also useful when the number of channels in an audio clip doesn’t match the number of channels
in the default audio tracks. You can also add tracks by right-clicking a track header and choosing Add Tracks, or by choosing Sequence > Add
Tracks.
In CS5.5, and earlier, if you need information about why the audio from your clip doesn't go where you intend it to, see this FAQ: "Why does audio
not go to the track where I drop it?"
Channels in audio clips
Clips can contain one audio channel (mono), two audio channels—left and right (stereo), or five audio surround channels with a low-frequency
effects audio channel (5.1 surround). A sequence can accommodate any combination of clips. However, all the audio is mixed to the track format
(mono, stereo, or 5.1 surround) of the master track.
You can determine whether a stereo clip is placed on one or two tracks. Right-click a clip in the Project panel, and select Modify > Audio
Channels. If you choose to place a stereo clip across two tracks, the Clip Panners use their default behavior (left to left, right to right).
Premiere Pro lets you change the track format (the grouping of audio channels) in an audio clip. For example, you can apply audio effects
differently to the individual channels in a stereo or 5.1 surround clip. You can change the track format in stereo or 5.1 surround clips. In such
cases, the audio is placed on separate mono tracks when the clips are added to a sequence.
You can change a master clip’s track format only before you add an instance of the clip to a sequence.
Premiere Pro also lets you remap the output channels or tracks for a clip’s audio channels. For example, you can remap the left channel audio in a
stereo clip so that it’s output to the right channel.
Preserve matrix of 5.1 audio clip
To preserve the matrix of an imported 5.1 audio clip, use the clip in a 5.1 audio track in a sequence. To use the component channels as discrete
multi-mono tracks in a sequence, import or remap the clip into mono channels.
Mixing audio tracks and clips
Mixing is blending and adjusting the audio tracks in a sequence. Sequence audio tracks can contain many audio clips, and the audio tracks of
video clips. Actions you perform when mixing audio can be applied at various levels within a sequence. For example, you can apply one audio
level value to a clip and another value to the track that contains the clip. A track containing the audio for a nested sequence can contain volume
changes and effects previously applied to the tracks in the source sequence. Values applied at all of these levels are combined for the final mix.
You can modify an audio clip by applying an effect to the clip or to the track that contains the clip. Consider applying effects in a planned,
systematic way to avoid redundant or conflicting settings on the same clip.
Chris and Trish Meyer provide an overview on the Artbeats website of how to mix and time multiple audio tracks for maximum clarity and story-
telling impact.
Processing order for audio
As you edit sequences, Premiere Pro processes audio in the following order, from first to last:
Gain adjustments applied to clips by using the Clip > Audio Options > Audio Gain command.
Effects applied to clips.
Track settings, which are processed in the following order: Pre-fader effects, pre-fader sends, mute, fader, meter, post-fader effects, post-
fader sends, and then pan/balance position.
Track output volume from left to right in the Audio Mixer, from audio tracks to submix tracks, ending at the master track.
You can modify the default signal path with sends or by changing a track’s output setting.
Making quick audio adjustments
Although Premiere Pro includes a full-featured audio mixer, there are times when many of these options are not required. For example, when
creating a rough cut from video and audio captured together from DV footage, output to stereo tracks, follow these guidelines:
Start with the Master meters and volume fader in the Audio Mixer. If the audio is too far below 0 dB or too high (the red clipping indicator
appears), adjust the level of clips or tracks as needed.
To temporarily silence a track, use the Mute Track button in the Audio Mixer or the Toggle Track Output icon in a Timeline panel. To
temporarily silence all other tracks, use the Solo button in the Audio Mixer.
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