Audio Effects - Adobe 12040118 - After Effects Standard Tutorial

Audio effects

Backwards effect
Bass & Treble effect
Delay effect
Flange & Chorus effect
High-Low Pass effect
Modulator effect
Parametric EQ effect
Reverb effect
Stereo Mixer effect
Tone effect
Trish and Chris Meyer provide tips about audio effects on the
Backwards effect
The Backwards effect reverses the audio of a layer by playing the audio from the last frame to the first frame. The frames remain in their original
order in the Timeline panel. Select Swap Channels to swap left and right channels.
Harry Frank and Aharon Rabinowitz provide a video tutorial on the
Reverb effect to create a creepy reverse echo result.
Bass & Treble effect
The Bass & Treble effect boosts (increases) or cuts (decreases) the low frequencies (bass) or the high frequencies (treble) of the audio. For
greater control, use the Parametric EQ effect.
Delay effect
The Delay effect repeats audio after a specified amount of time. This effect simulates sound bouncing off a surface, such as a wall.
To simulate the acoustic ambience of a room, use the Reverb effect.
Delay Time Time between the original sound and its echo, in milliseconds.
Delay Amount Volume of the first delayed audio, as a fraction of the original.
Feedback Amount of the echo that is fed back into the delay line to create subsequent echoes.
Dry Out, Wet Out The amounts of the original (dry) sound and delayed (wet) sound in the final output. Values of 50% are commonly used.
Flange & Chorus effect
Flange is an audio effect caused by mixing the original audio with a copy that is delayed by a varying amount that cycles over time. The frequency
of the copy is also offset by an amount related to the delay. Chorus uses a larger delay, to make one voice or instrument sound like many.
The default settings for the Flange & Chorus effect are for flange. To create a chorus result, use values something like the following: 40 for Voice
Separation Time (or higher for a greater chorus result), 4 for Voices, 0.1 for Modulation Rate, 50% for Modulation Depth, and 90 for Voice Phase
Change, with Stereo Voices selected.
Voice Separation Time The time in milliseconds that separates each voice. Each voice is a delayed version of the original sound. Use values of 6
or lower for flange, and higher values for chorus.
Voices The number of voices in the processed (wet) audio.
Modulation Rate The rate in Hz at which the modulation cycles.
Modulation Depth The amount of modulation.
Voice Phase Change The modulation phase difference in degrees between each subsequent voice. Divide 360 by the number of voices to find
the optimum value.
Invert Phase Inverts the phase of the processed (wet) audio, emphasizing more of the high frequencies; not inverting the phase emphasizes more
of the low frequencies.
Stereo Voices Alternates assignment of voices to one of the two channels so that the first voice appears in the left channel, the second in the
right channel, the third in the left, and so on. To hear stereo voices, preview or render in stereo.
ProVideo Coalition website.
All Bets Are Off website that shows how to use the Backwards effect and the
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