cxchord/src/Interfaces.ts

Midi Chord Recognizer

import { BayesChordCalculator } from "./CxBayes";
import { ChordInstance } from "./CxChordInst";

export interface ChordMapEntry {
    notes: number[]
    root:  number
    inv:   number
    group: number
    count?: number
    probability?: number
}

export interface MatchedNotes { 
    [key:string] : { 
        invertions: any[] 
        extensions: any[] 
        knockouts:  any[] 
        mustHave:   any[] 
        rootNotes:  any[]
        conflicts:  any[]
        roots:      number[]
        group:      number 
    } 
} 

export interface ChordMap {
    [key:string]: ChordMapEntry   
}   

export interface ChordMapTable {
    [key:string]: ChordMapEntry[]   
} 

export interface Conflicts {
    [key:string]: any[][]
}

export interface RootNoteNames {
    [key:string]: string[]   
} 

export interface RuleFx {
    (  chord: ChordInstance, bayes: BayesChordCalculator, row: number, col: number ) : number
}

export interface Rule {
        rule?:     string
        chord:     ChordInstance
        ruleFx:    RuleFx
}

export interface Hypothesis {
    idx:  number
    key:  string 
    inv:  number 
    len : number
    root: number
    group: number 
}

export interface ChordMatchIntf {
    hypo:  Hypothesis,
    chord: string
    root:  string
    type:  string
    bass:  string
    inv:   number
    notes: number[]
    list:  string
}
        
export interface Posterior {
    post: number,
    idx:  number,
    hypo?: Hypothesis
}

export interface ScaleMapEntry {
        notes: number[]
        major: number 
        minor: number | null
        group: number
    }

export interface ScaleMap {
    [key:string]: ScaleMapEntry   
}