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MIDI Learn: support for 14 bit resolution using MSB/LSB CC# pairs / (N)RPNs / pitch bend Issue Tools
issueid=4471 11-18-2012 08:06 AM
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MIDI Learn: support for 14 bit resolution using MSB/LSB CC# pairs / (N)RPNs / pitch bend
Options needed for more precise control of parameters when 7-bit CC# resolution is insufficient

When using the Param > Learn feature, one or more options should be added for MIDI in 14-bit resolution. There are various MIDI data types that use 14-bit resolution:

- MSB/LSB CC# pairs (CC# 0-31 for MSB + CC# 32-63 for LSB);
- (N)RPNs;
- Pitch bend (even though most physical pitch bend controllers do not fully utilise the entire available resolution).

Currently the only option for absolute control uses the regular 7 bits resolution for single MIDI CC#s. Thus, it does not seem to be possible to use such high resolution MIDI control schemes for controlling parameters in REAPER directly (i.e. without external tools or workarounds), while the limited resolution of 7 bit CC#s does not suffice for many parameters.

For some examples of use cases, controllers, instruments, and plug-ins that would benefit from this:
- When controlling track volumes or ReaEQ frequencies (especially when boosting a very small bandwidth) using a MIDI controller, 128 steps is much too grainy, and results in audible 'stepping'. We really need options for more precise control.
- U-he's Zebra2 and Diva plug-ins support 14-bit MIDI CC# pairs (these are also quite popular);
- Behringer BCF-2000 / BCR-2000 controllers can send 14-bit MIDI CC# natively (judging from the amount of related posts on this forum, many of us REAPER users have these);
- The Moog Little Phatty / Slim Phatty synthesisers are able to send/receive 14-bit MIDI CC# pairs (since OS 3.1) as well.

Discussion thread here.
Issue Details
Issue Type Feature Request
Project Deprecated REAPER issue tracker
Category MIDI recording and playback
Status Suggested
Priority 3
Suggested Version 4.30
Implemented Version (none)
Users who would use this feature 52
Users who would not use this feature 0
Assigned Users (none)
Tags (none)


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