CC Mapping

Katla supports both classic MIDI CC mapping and MPE voice-specific CC mapping. 14-bit parameters use the listed CC as MSB and the noted LSB CC for fine control.

MPE voice-specific mapping

CC	Parameter / Control	Kind	Notes
5	Glide	Param	14-bit MSB; LSB on CC 37
10	Voice Pan	Param	14-bit MSB; LSB on CC 42
12	Noise Color / EXT Color	Param	7-bit
13	Noise Color / EXT Level	Param	14-bit MSB; LSB on CC 45
14	SUB Level	Param	14-bit MSB; LSB on CC 46
15	OSC Level	Param	14-bit MSB; LSB on CC 47
16	Voice Level	Param	14-bit MSB; LSB on CC 48
21	Filter Cutoff	Param	14-bit MSB; LSB on CC 53
22	Voice OCT	Param	7-bit
27	Voice Waveform	Param	7-bit
44	Aftertouch LFO	Param	7-bit
54	Voice Enable	Control	Discrete
59	MOD ENV Phase Dist	Param	7-bit
60	MOD ENV Cutoff	Param	7-bit
61	MOD ENV LFO Rate	Param	7-bit
62	MOD ENV Rokkur	Param	7-bit
63	MOD ENV Rustir	Param	7-bit
72	AMP ENV R	Param	7-bit
73	AMP ENV A	Param	7-bit
74	Brightness	Param	MPE timbre/slide
75	AMP ENV D	Param	7-bit
78	Filter Track	Param	7-bit
79	AMP ENV S	Param	7-bit
80	AMP ENV Track	Param	7-bit
81	MOD ENV A	Param	7-bit
82	MOD ENV D	Param	7-bit
83	MOD ENV S	Param	7-bit
84	MOD ENV R	Param	7-bit
85	MOD ENV Track	Param	7-bit
88	LFO Track	Param	7-bit
89	LFO Rate	Param	7-bit
90	LFO Waveform	Param	7-bit
102	LFO MOD Phase Dist	Param	7-bit
103	LFO MOD Cutoff	Param	7-bit
108	LFO MOD Rokkur	Param	7-bit
109	LFO MOD Rustir	Param	7-bit
110	Aftertouch Cutoff	Param	7-bit
111	Aftertouch Katla	Param	7-bit
112	Móða	Param	7-bit
113	Kvika	Param	7-bit
114	Skjálfti	Param	7-bit
115	Glóð	Param	7-bit
116	Aska	Param	7-bit
117	Skriða	Param	7-bit
118	Rökkur	Param	7-bit
119	Rústir	Param	7-bit

Classic mapping

CC	Parameter / Control	Kind	Notes
3	Voice Mode	Control	7-bit
5	Glide	Param	14-bit MSB; LSB on CC 37
9	Noise / EXT	Control	Discrete
12	Noise Color / EXT Color	Param	7-bit
13	Noise Color / EXT Level	Param	14-bit MSB; LSB on CC 45
14	SUB Level	Param	14-bit MSB; LSB on CC 46
15	OSC Level	Param	14-bit MSB; LSB on CC 47
16–20	Voice 1–5 Level	Param	14-bit MSB; LSB on CC 48–52
21	Filter Cutoff	Param	14-bit MSB; LSB on CC 53
22–26	Voice 1–5 OCT	Param	7-bit
27–31	Voice 1–5 Waveform	Param	7-bit
35	ENV Clock	Control	Discrete
36	LFO Clock	Control	Discrete
40	AMP ENV Loop	Control	Discrete
41	MOD ENV Loop	Control	Discrete
44	Aftertouch LFO	Param	7-bit
54–58	Voice 1–5 Enable	Control	Discrete
59	MOD ENV Phase Dist	Param	7-bit
60	MOD ENV Cutoff	Param	7-bit
61	MOD ENV LFO Rate	Param	7-bit
62	MOD ENV Rokkur	Param	7-bit
63	MOD ENV Rustir	Param	7-bit
70	Filter Type	Control	Discrete (LP/BP)
71	Filter Res	Param	7-bit
72	AMP ENV R	Param	7-bit
73	AMP ENV A	Param	7-bit
74	Filter Cutoff	Param	7-bit alias of CC 21
75	AMP ENV D	Param	7-bit
76	SUB Waveform	Control	Discrete
77	SUB Octave	Control	Discrete
78	Filter Track	Param	7-bit
79	AMP ENV S	Param	7-bit
80	AMP ENV Track	Param	7-bit
81	MOD ENV A	Param	7-bit
82	MOD ENV D	Param	7-bit
83	MOD ENV S	Param	7-bit
84	MOD ENV R	Param	7-bit
85	MOD ENV Track	Param	7-bit
86	LFO Speed	Control	Discrete (Slow/Fast)
88	LFO Track	Param	7-bit
89	LFO Rate	Param	7-bit
90	LFO Waveform	Param	7-bit
91	Reverb Amount	Param	7-bit
92	Drive Amount	Param	7-bit
93	Reverb Mix	Param	7-bit
94	Drive Mix	Param	7-bit
95	Effects Color	Param	7-bit
102	LFO MOD Phase Dist	Param	7-bit
103	LFO MOD Cutoff	Param	7-bit
104	LFO MOD Reverb Mix	Param	7-bit
105	LFO MOD Drive Mix	Param	7-bit
106	LFO MOD Effects Amount	Param	7-bit
107	LFO MOD Effects Color	Param	7-bit
108	LFO MOD Rokkur	Param	7-bit
109	LFO MOD Rustir	Param	7-bit
110	Aftertouch Cutoff	Param	7-bit
111	Aftertouch Katla	Param	7-bit
112	Móða	Param	7-bit
113	Kvika	Param	7-bit
114	Skjálfti	Param	7-bit
115	Glóð	Param	7-bit
116	Aska	Param	7-bit
117	Skriða	Param	7-bit
118	Rökkur	Param	7-bit
119	Rústir	Param	7-bit