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The Reverb >
Convolution Reverb effect reproduces rooms ranging from coat closets
to concert halls. Convolution-based reverbs use impulse files
to simulate acoustic spaces. The results are incredibly realistic
and life-like.
Sources of impulse files include audio you’ve recorded of an
ambient space, or impulse collections available online. For best
results, impulse files should be uncompressed, 16- or 32-bit files
matching the sample rate of the current audio file. Impulse length
should be no more than 30 seconds. For sound design, try a variety
of source audio to produce unique, convolution-based effects.
Note: Because Convolution Reverb requires significant processing,
you may hear clicks or pops when previewing it on slower systems.
These artifacts disappear after you apply the effect.
- Impulse
- Specifies a file that simulates an acoustic space. Click
Load to add a custom impulse file in WAV or AIFF format.
- Mix
- Controls the ratio of original to reverberant sound.
- Room Size
- Specifies a percentage of the full room defined by the impulse
file. The larger the percentage, the longer the reverb.
- Damping LF
- Reduces low-frequency, bass-heavy components in reverb, avoiding
muddiness and producing a clearer, more articulate sound.
- Damping HF
- Reduces high-frequency, transient components in reverb, avoiding
harshness and producing a warmer, lusher sound.
- Pre-Delay
- Determines how many milliseconds the reverb takes to build
to maximum amplitude. To produce the most natural sound, specify
a short pre-delay of 0–10 milliseconds. To produce interesting special
effects, specify a long pre-delay of 50 milliseconds or more.
- Width
- Controls the stereo spread. A setting of 0 produces a mono
reverb signal.
- Gain
- Boosts or attenuates amplitude after processing.
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