Estimation of audio alignment relative to a given reference, using shift-invariant fingerprints of the spectrum.

import AudioAlignment

let sample = try AudioFingerprint(audioURL: URL(fileURLWithPath: "sample.m4a"))
let reference = try AudioFingerprint(audioURL: URL(fileURLWithPath: "reference.m4a"))
let timeOffset = try sample.align(with: reference).estimatedTimeOffset

API Reference

To use this package in a SwiftPM project, add the following line to the dependencies in your Package.swift file:

.package(url: "https://github.com/YuAo/AudioAlignment.git", from: "1.0.0"),

Accelerate is used to boost performance.

For a one-minute audio, the fingerprint generation takes approximately 60ms on a 2019 Intel iMac with i5 processor (in release mode).

ranwsn/Audio_Snippets_Alignment

worldveil/dejavu

Endless Light

by Siddhartha Corsus

https://creativecommons.org/licenses/by-nc/4.0/