Specifications

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A Digital Video Primer
Digital audio for video
Just as you create a nished video product with color correction, you can polish the audio, so that
sound levels and tonal quality is consistent throughout, and transitions between audio elements
are smooth. And just as eects add an element of magic to your video, you can sweeten the audio
track with music, sound eects, and additional dialogue or voice-overs.
You can use Adobe Premiere Pro to perform basic audio sweetening, and then open your editing
project in Adobe Audition for more advanced control of your audio. By using Audition, you can
work easily with multiple audio tracks and elements, add audio eects and processing, and then
ne-tune the mix.
Sweetening and mixing audio
Sweetening means adding audio elements, such as music, sound eects, and additional dialogue,
and processing the audio with soware or hardware to change the tonal quality and volume of
the sound. e nal stage of sweetening is mixing, when you combine the elements by adjusting
the audio levels of each track to create an overall balanced sound. For example, you might mix
dialogue clips with ambient background sounds and a music track.
You can perform any combination of the following tasks in Adobe Premiere Pro:
• Adding audio elements and tracks: Just as you can add and edit video clips on the timeline, you
can add and edit audio elements. All of the same tools and techniques apply to audio clips, such
as setting In and Out points, speed, and duration. For example, you can add an audio track for
sound eects, and then add the sound of a door closing. You can then use the editing tools to
adjust the In and Out points of the clip, and change its position on the timeline to synchronize
(sync) with the video.
• Fading audio clips over time: While watching the video program, you can increase or decrease
the audio gain (volume levels) of an audio track at precise time points in the Adobe Premiere
Pro Timeline panel or by using the volume faders in the Audio Mixer to adjust and record
the volume levels for each audio track. e mixer channels include automation, so the level
changes you make are reproduced exactly when you preview or render a timeline.
• Panning/balancing stereo clips: When panning an audio clip, you create the illusion of a
sound coming from somewhere between the speakers by adjusting the amount of sound that
is sent to each speaker. For example, as you increase the amount sent to the right channel and
decrease the amount sent to the le, the sound appears to move to the right. If the audio level
is equal in both speakers, the sound appears to be centered. You could use panning to match a
dialogue clip to a person’s movement in the video frame. You can adjust pan and balance in the
Timeline panel, or by using the Pan control in the Audio Mixer to precisely position audio in a
stereo channel.
• Adding audio effects: Adobe Premiere Pro provides a wide range of built-in controls for pro-
cessing audio. For example, the Compressor/Expander eect ne-tunes dynamic range; the
Notch/Hum eect removes distracting hum; the Reverb eect acoustically simulates an envi-
ronment, like a large hall, and the Parametric Equalizer eect lets you tweak specic frequency
ranges. Like video eects, you can add multiple eects to a single audio clip, and use keyframes
to modify eects over time. While a variety of audio eects are included with Adobe Premiere
Pro, built-in support for industry-standard VST audio plug-ins enables you to use your favorite
audio plug-ins with Adobe Premiere Pro.
In Adobe Premiere Pro, you can create and work with multichannel audio to produce surround
sound and other richly layered audio experiences. With support for editing audio clips at the
subframe, audio-sample level, you can adjust audio clips with sample-accurate precision (up to
1/96,000th of a second) to perfectly sync audio elements on dierent tracks or precisely edit a
clip, such as remove a pop or click.
Adobe Premiere Pro Audio Mixer panel