# A/B Compare

> Compare two versions in sync, at matched loudness, blind if you like.

Source: https://docs.wavdrop.link/ab-compare

Pick the better mix with your ears, not your eyes. A/B Compare plays two versions of a song in sync, at matched loudness, and can hide which one is which.

## Why it helps

The louder mix always sounds better for a second, and a name like "v4 final" tells you which one you're meant to like. A/B Compare takes both out of the picture.

## Open it

Open a song's menu and choose **A/B Compare**. It shows up on songs that have at least two versions you can compare.

1. Pick a version for each side.
2. Press play. Both versions run from the same second.
3. Switch between them as often as you like. You never lose your place.

## Matched loudness

Both versions play at the same level, so neither one wins just by being louder.

## Blind mode

Turn on **Shuffle** to hide the names and mix up the order. Listen, choose **I prefer this one** (or **No preference**), then **Reveal** to see which version you picked.

## Keyboard

| Key | What it does |
| --- | --- |
| `1` / `2` | Switch to side 1 or side 2 |
| `X` | Flip to the other side |
| `Space` | Play or pause both |