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→Differences in Delay Types
=== Differences in Delay Types ===
''Note: OS 4.0 converts the 3 delay types in the legacy section below into a '''Legacy Delay''' type, and introduces a slew of new delay types.''
==== OS 4.0 Delays ====
While there are a large number of delay effects listed in OS 4.0, they all boil down to a few core delay types with different features available:
* '''Two-Tap Delay''' - features two delays that function in tandem, not independently. The first setting is the baseline setting, while the other is the offset of the first. So you can get pairs of delays such as 100ms, 120ms, 200ms, 220ms, 300ms, 320ms...
* '''Serial Delay''' - this is essentially two delays built into one effect, with the output of the first feeding directly into the input of the second. The second delay will repeat the raw guitar as well as the trails of the first.
* '''Dual Delay''' - two fully independent delays functioning in parallel. Thus, you can have 30ms, 60ms, 90ms, 120ms... in the left field and 100ms, 200ms, 300ms... in the right.
* '''Melody Delay''' - this is similar to the two-tap delay in that the same delay pattern will repeat against the first delay's baseline time; however, each delay here can be set to different pitch-shifter settings. Variants for chromatic and harmony pitch-shifting are provided. This can be used to play arpeggios or scales via delay trails.
Many of the new delays have the same great feature set, with two different kinds of modulation, (transient) smearing, attack swelling, reversing, hold/infinite feedback, crystal/shimmer (progressive pitch-shifting in the feedback loop), and both tape distortion and wow/flutter emulation.
==== Legacy Delays ====
There are only 3 delay types, explained below.