What is the resolution limit of a MIDI controller, and why does this limitation occur?
Understand the Problem
The question asks about the resolution limit of a MIDI controller, and the reason for this limitation. This involves understanding how MIDI represents control data and the constraints within the MIDI protocol.
Answer
MIDI controller resolution is commonly limited to 7 bits (128 steps) due to the MIDI protocol's original design prioritizing speed and simplicity.
The standard resolution limit of a MIDI controller for control change (CC) values is 7 bits, resulting in 128 discrete steps (0-127). This limitation occurs due to the original MIDI protocol design, which prioritized data transmission speed and simplicity over higher resolution. While some MIDI implementations use 14 bits for specific parameters like pitch bend, the 7-bit resolution remains a common limitation for many controller functions.
Answer for screen readers
The standard resolution limit of a MIDI controller for control change (CC) values is 7 bits, resulting in 128 discrete steps (0-127). This limitation occurs due to the original MIDI protocol design, which prioritized data transmission speed and simplicity over higher resolution. While some MIDI implementations use 14 bits for specific parameters like pitch bend, the 7-bit resolution remains a common limitation for many controller functions.
More Information
The 7-bit resolution can sometimes result in audible 'stepping' when adjusting parameters, especially on continuous controls like filters or volume. While higher resolution MIDI implementations exist, they are not universally supported.
Tips
A common mistake is assuming all MIDI parameters have the same resolution. Pitch bend and some other specific controllers utilize 14-bit resolution.
Sources
- Override MIDI-Controller Limitation of 128 steps - Steinberg Forums - forums.steinberg.net
- Why is MIDI still 8-bit? - Sound Design Stack Exchange - sound.stackexchange.com
- The main limitations/problems of MIDI, and possible new solutions - gearspace.com
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