khodo/product-vamp
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Chord Families

Browse Source
This commit is contained in:
khodowany
2026-10-06 03:18:02 -05:00
parent e71385dad1
commit 8423f3d788
14 changed files with 196 additions and 57 deletions
Download Patch File Download Diff File Expand all files Collapse all files
generator/guitar.py
+2 -1
View File
@@ -17,6 +17,7 @@ PREFERRED_MAX_FRET = 12
ELECTRIC_STRINGS = ((3, 2, 1), (4, 3, 2, 1))
class VoicingCost(typing.NamedTuple):
extended_grips: int = 0
melody_string: int = 0
covered_melody: int = 0
covering_tones: int = 0
@@ -46,7 +47,7 @@ def _voicing_cost(positions, profile, allowed, melody, families):
effort = 2 * max(0, max(frets, default=0) - PREFERRED_MAX_FRET) + span
family_penalty = dict(families).get(generator.chord_families.electric(positions), 0) if positions and families else 0
melody_string = min((p.string_number - 1 for p in positions if melody and p.midi == max(melody)), default=0)
return VoicingCost(melody_string=melody_string, string_shortfall=max(0, 4 - len(positions)) if profile == 'electric' else 0, covered_melody=int(bool(above)), covering_tones=above, family_penalty=family_penalty, effort=effort, missing_tones=len(set(allowed) - classes))
return VoicingCost(extended_grips=generator.fretboard.span_penalty(positions), melody_string=melody_string, string_shortfall=max(0, 4 - len(positions)) if profile == 'electric' else 0, covered_melody=int(bool(above)), covering_tones=above, family_penalty=family_penalty, effort=effort, missing_tones=len(set(allowed) - classes))
def chord_positions(requirements: generator.fretboard.ChordRequirements, prune: bool = True, profile: str = '', melody: tuple[int, ...] = ()) -> tuple[tuple[generator.fretboard.TabPosition, ...], ...]:
families = tuple(generator.vocabulary.accompaniment('electric')['voicing_families']['rank'].items()) if profile == 'electric' else ()