WebPack loader to run arbitrary filters for audio files

It requires ffmpeg to be installed

Install

npm i ffmpeg-loader

Use

In the WebPack config, add the loader and configure the filters:

{
  test: /\.wav$/,
  use: [
    {
      loader: require.resolve('file-loader'),
    },
    {
      loader: "ffmpeg-loader",
      options: {
        filters: "-af adeclick,afftdn=nr=80:nf=-20:nt=w:om=o,highpass=f=70"
      }
    },
  ],
},

Note that the loader gets an audio file and outputs the wav directly without emitting files. It is intended to be used with other loaders that write the audio and emit it. (such as the file-loader)

Configuration

You can set 1 value:

• filters: This is what goes in between the input and the output: ffmpeg -i <file> <filters> <outfile>