
REDRUM
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Introduction
At first glance, Redrum looks styled after pattern-based drum machines, like the leg-
endary Roland 808/909 units. Indeed, it does have a row of 16 step buttons that are
used for step programming patterns, just like the aforementioned classics. There are
significant differences, however. Redrum features ten drum “channels” that can each
be loaded with an audio file, allowing for completely open-ended sound possibilities.
Don’t like the snare - just change it. Complete drum kits can be saved as Redrum
Patches, allowing you to mix and match drum sounds and make up custom kits with
ease.
About File Formats
Redrum reads two basic types of files:
Redrum Patches
A Redrum patch (Windows extension “.drp”) contains all settings for all ten drum
sound channels, including file references to the used drum samples (but not the ac-
tual drum samples themselves). Switching patches is the same as selecting a new
drum kit.
Drum Samples
Redrum can read and play back sample files of the following formats:
• Wave (.wav)
• AIFF (.aif)
• SoundFonts (.sf2)
• REX file slices (.rex2, .rex, .rcy)
• Any bit depth
• Any sample rate
• Stereo or Mono
Wave and AIFF are the standard audio file formats for the PC and Mac platforms, re-
spectively. Any audio or sample editor, regardless of platform, can read and create au-
dio files in at least one of these formats, and some of them in both formats.
SoundFonts are an open standard for wavetable synthesized audio, developed by E-
mu systems and Creative Technologies.
SoundFont banks store wavetable synthesized sounds, allowing users to create and
edit multi-sampled sounds in special Soundfont editing programs. The sounds can
then be played back in wavetable synthesizers, typically on audio cards. The samples
in a SoundFont are stored hierarchically in different categories: User Samples, Instru-
ments, Presets etc. The Redrum allows you to browse and load single SoundFont
samples, not entire soundfonts.
REX files are files created in ReCycle – a program designed for working with sampled
loops. It works by “slicing” up a loop and making separate samples of each beat,
which makes it possible to change the tempo of loops without affecting the pitch and
to edit the loop as if it was built up of individual sounds. The Redrum lets you browse
REX files and load separate slices from it as individual samples.
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