User`s guide

Peak User’s Guide
168
Convert Sample Rate
The Convert Sample Rate command allows you to
change the sample rate of a sound without changing
its pitch. This feature is very useful for converting
audio material into lower or higher sample rates as
required by other applications. Please note that
sample rate conversion is applied to an entire
document. It cannot be applied to just a selection
within a document. Refer to Chapters 3 and 4 for an
explanation of commonly used sample rates.
Convolve
The Convolve command is a unique and powerful
sound design tool that allows you to apply the sonic
(e.g., spectral) characteristics of one sound onto
another. Convolution works by multiplying the
frequency spectrum of the impulse contained in the
clipboard and that of the target audio document,
reinforcing the frequencies that are in common
between the two. To use the Convolve DSP command,
you must first copy a selection of audio. The copied
material will provide the spectral “character” that you
will apply to the target audio material.
Convolve is not available in Peak LE.
Crossfade Loop
The Crossfade Loop function applies a “smoothing”
effect to loops made in Peak audio documents.
Crossfade Loop fades the end of the loop into the
beginning of the loop to make the loop sound
smoother. (It uses the Blending envelope you’ve set in
Peak’s Preference menu’s Blending... dialog.) Use the
Crossfade Loop dialog to select the length of the
crossfade in milliseconds.
The Crossfade Loop dialog
Crossfade Loop is not available in Peak LE.
Dither
Dither... allows you to use Waves IDR™ noise shaping
and dithering, built-in to Peak. Typically you would
pick your destination dithering bit-depth, click OK,
then save to that bit-depth. The IDR available in Peak
contains a fixed type of dither (type 1), and a fixed
amount of noise shaping (normal mode for sample
rates over 32Khz, moderate mode for sample rates
under 32kHz, no noise shaping below 22Khz).
The Dither dialog
Dither is not available in Peak LE.
Invert
The Invert function allows you to invert the phase of a
selection or an entire audio document.
Fade In & Fade Out
The Fade In and Fade Out commands allow you to
apply an amplitude envelope to an audio selection.