Peak Notes - John Chittum

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10 Δεκ 2013 (πριν από 4 χρόνια και 7 μήνες)

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Inputting audio


Start a new project. You can create either a Stereo or Mono project

Set Audio Input and Output, Input Settings, and Output settings as appropriate for the

When you hit Record, a box pops up. At this point you
can begin monitoring at the
bottom of the screen. Remember proper gain
staging. Try and get a strong signal, without
going over Zero.

What happens when a signal goes past 0 on the meter?

A strong signal makes for easier manipulation later.

To begin rec
ording, hit record the record button in the pop up window.

To change recording settings, hit the “recording settings button.”

Importing from a CD

Go to File Import CD Track

To select tracks to import, you must MARK them. You can MARK ALL or MARK

Then choose a save area.


Select areas, copy, paste, create new document, copy to new document to alter

Zoom tool, Select Tool, Hand Tool, Pencil Tool


Fade In, Fade Out, Change Gain, Normalize, Gain Envelope, Mix


compression, EQ/filters

Fun effects

Reverse, Reverse Boomerang, Harmonic Rotate, Change Pitch, Modulate,
Phase Vocode, Panner


Fade In and Out

Why are they important?

Change Gain and Normalize

What is different about these processes

Gain Envelope

When is this useful?


How to use Mix to get the best possible combination of sounds


What is a filter? What types of filters are there? What specifically is EQ?

What are uses of filters, generally? What about very speci
fic uses?

Filters for Voice, filters for other instruments, mastering techniques with filters.


What is compression? How does compression work?

What are the two stages in compression? What are the names for two stages if used

Burning a CD

This can be done in Peak. To do so you must create a playlist

>new playlist

You can then add tracks to the playlist, set crossfade times, silence times, etc, as desired.

Then you can burn to disc.



Sets a peak gain, raises(or lowers) all sound by the same percentage that
the LOUDEST sound increasing to get to the peak gain.

Change Gain

changes the gain of a selected area by a percentage or fixed amount of dB.

Gain Envelope


for changes in gain over time (Envelope normally used on a
SINGLE sound, but in Peak, you can use it to create crescendos and decrescendos over
longer periods of time. You define time by amount of the sample selected.


Mix a sound from the clipboard

into the selected area. The percent is a percent of
the gain of the COPIED sample.

Fade in/out

puts the farthest edge at 0, and increases over the time selected to the
original level.


main compressor in Peak is Sqweez
1, a plugin. The fol
lowing are the
main components of compression



the point at which compressing begins



the amount of compression, expressed in ratio form. So, 2L1 would
meant that for every original 2dB, it would only increase 1dB.


Gain Change

The largest

amount of compression allowed, in dB



the length of time to being compression



how long the compressor stays active after a sound crosses the



the amount of “slope” between compressed and uncompressed sounds,
at the
threshold. A hard knee, or high amount of dB, creates a more drastic cut
at the threshold, while a soft knee, or low dB, creates a more smooth


up gain

amount of gain added in the final step. This can be used if in a
heavily compressed mix
, to create a small dynamic range that is loud.

The main goal of compression is to limit the dynamic range of a sample.


A filter is used to BOOST or CUT frequencies. The most common filters are High Pass,
Low Pass, High Shelf, Low Shelf,

and Ba
ndpass which breaks into 2 main varieties,

and Notch. Another parameter to check for is if it is a RESONATING filter.

High Pass

Allows higher frequency to pass. Often has a frequency which is where the
off begins, and then a slope valu
e, or how quickly the frequencies are rolled off,
usually shown in decibels per octave.

Low Pass

Allows low frequencies to pass. Often has a frequency which is where the roll
off begins, and then a slope value, or how quickly the frequencies are rolled o
ff, usually
shown in decibels per octave.

High Shelf

Instead of a roll off heading to

infinity starting at a point, a shelf creates a
steep shelf down to a designated level of cut. A high shelf does this with frequencies
ABOVE the cut
off point.

Low S

Instead of a roll off heading to

infinity starting at a point, a shelf creates a
steep shelf down to a designated level of cut. A high shelf does this with frequencies
BELOW the cut
off point.

Bandpass style filters:


Ability to set var
ious parameters

Parameter 1


The center frequency effected

Parameter 2


the amount of Frequencies effected

Parameter 3


amount of Boost or Gain (almost always resonating filters)


extremely narrow band, no Q control. Used
almost exclusively to CUT
frequencies. Example is a hardware 32 band EQ.



two kinds available

Impulse verb, a DSP function, and FreeVerb, a plugin.
Models the sound in a room or area.


takes a sample from the CLIPBOARD and
overlays its spectral content with
the selected areas content. This accentuates frequencies that they have that are similar,
and lessens frequencies which are dissimilar.

Harmonic Rotate

takes the sound, and rotates the spectral content along a 2 dimensi

makes some fun sounds.


This Modulate command functions as a “ring modulator” which
multiplies two audio signals together (e.g., the material copied to the clipboard and
the currently selected audio). The resulting audio includes the
sum and difference
tones of the frequency components of the modulated audio and the modulating
audio. These are generally very complex timbres that often have a “metallic” (i.e.,
inharmonic) character to them.


The Panner allows you to adjust the pa
nning, or left

right movement, of
a stereo document by drawing an envelope in the Panner dialog. Left is at the top
of the graph, and right is at the bottom.

Phase Vocoder

The Phase Vocoder is a type of audio spectrum analysis/resynthesis
tool that al
lows you to modify the duration and/or pitch of an audio selection.


The Rappify command applies extreme dynamic filtering to a selection.
As one Peak user described it, “Rappify can turn your hi
fi into lo
fi!” If the target
material has a pronou
nced beat, this has the effect of reducing the material to its
most essential rhythmic components.

Reverse Boomerang

The Reverse Boomerang command mixes a reversed copy of
the selected audio with the original.


The Reverse command reverses the cur
rent selection. In a reversed
selection, the last sample becomes the first sample, the second
last sample
becomes the second sample, and so forth.