Audio-Tob

Library with helpers to interact with the webaudio api.

The main goal of this package is to provide tools to analyze and consume audio data from the mic input.

install

npm i audio-tob

or clone this repo and use as you please.

usage

import {getMicInput, getFrequencies} from ./index

const buffer_length = 512 // can be 512, 1024, 2048 it determines the accuracy of the analysis
getMicInput(buffer_length, audioContext?) // this enables listening to the mic, it is necessary to trigger this method onClick due browsers security policies.

getFrequencies() // returns a object with x values, it divides the frequencies by the numebr chosen and return an average for each key.

NOT IMPLEMENTED YET - getTone() // tries to guess the tone, it could be used to build a small tuner, not implemented yet

examples

You can find some usage examples in the following repos:

• TBD

feedback

Please feel free to open issues or PR with suggestions to improve this package. Every idea is welcome.