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Guitar Tuner by macabrett

A guitar tuner built for the web.

Features

• Tune guitar to both Standard and Drop D tuning
• See exact frequency of current audio input
• Free
• Serverless

Algorithm

Uses an Average Magnitude Difference Function to determine the frequency from a set of samples.

Deployment

1. Build using Angular: ng build --output-path docs --base-href /guitar-tuner/
2. Copy the contents of /docs/browser and place it in /docs (removing the browser subfolder): mv ./docs/browser/* ./docs, rm ./docs/browser/
3. In /docs/ copy index.html and rename the copy 404.html for compatibility with GitHub Pages: cp ./docs/index.html ./docs/404.html

More on deploying Angular apps can be found here.

Testing

To test, you must first run ng serve from a terminal.

Installation

Android

• Open https://www.macabrett.com/guitar-tuner/ in Chrome
• Tap the three dots in the upper right corner for options
• Select Install app from the drop-down

You can now pin a standalone version of the app to your home screen. This will continue to work offline.

Windows

• Open https://www.macabrett.com/guitar-tuner/ in Chrome
• In the address bar, click an icon with a down arrow in front of a computer monitor
• Follow instructions to install the app

You now have a standalone version of the app installed on windows. This will continue to work offline.