const fs = require('fs'); const OggOpusTransform = require('../src/opus/OggOpus'); const opus = require('node-opus'); const decoder = new opus.Decoder(48000, 2, 1920); const transformer = new OggOpusTransform(); fs.createReadStream('./test/ts.ogg') .pipe(transformer) .pipe(decoder) .pipe(fs.createWriteStream('./output.opus'));