@villium/echo-beat

Beat detection, tempo analysis and rhythm pattern recognition for audio processing.

Features

• Tempo Detection - BPM estimation from audio data
• Beat Grid - Generate beat positions at specified tempo
• Rhythm Patterns - Map onsets to rhythmic grids
• Swing Analysis - Detect swing ratio in timing
• Beat Tracking - Real-time beat following

Installation

npm install @villium/echo-beat

Usage

import { detectTempo, beatGrid, rhythmPattern } from '@villium/echo-beat';

// Detect tempo from audio
const tempoInfo = detectTempo(audioBuffer, 44100);
console.log(`BPM: ${tempoInfo.bpm}, Confidence: ${tempoInfo.confidence}`);

// Generate beat grid
const beats = beatGrid(audioBuffer.length, 120, 44100);

// Create rhythm pattern from onsets
const pattern = rhythmPattern(tempoInfo.beats, beats, 0.05);

License

MIT