The A/B Audio Sync plugin for WordPress allows developers to queue two songs (WAV,
MP3, any format the web browser can handle) and play one at a time, with a toggle
switch between them. This gives users the ability to switch tracks quickly, without
losing the track time, to hear differences in audio tracks.
This is great for demonstrating audio enhancement technology or production/post-production
mixes or even the differences between audio format quality.