Waveform

Show the waveform of an audio sample. You can play with a demo of the app here. There are two projects in this repo:

1. api- backend API written in Golang
2. audiowave- frontend React app

Dependencies

Install ffmpeg (instructions for debian/ubuntu:)

sudo add-apt-repository ppa:jonathonf/ffmpeg-4
sudo apt-get update
sudo apt-get install ffmpeg

Go dependencies:

go get -u github.com/aws/aws-sdk-go/...
go get github.com/gorilla/mux
go get github.com/gorilla/handlers

Install and run

API

cd api
./api

React app

cd audio-wave
yarn
yarn start

API Endpoints

There's only one:

GET /waveform/text/:string

URI parameters:

• string: The string to make a waveform for

example response body:

{
  "audio":"http://68.183.30.161/assets/audio/audio-252134362.mp3",
  "wave":"http://68.183.30.161/assets/images/audio-252134362.png",
  "duration":"2.377167s"
}

Tests

In the React app, run yarn test.

Responsive

The app works on screens of any size.