# Waveform Audio File Format — file signature 52 49 46 46 ?? ?? ?? ?? 57 41 56 45 at offset 0

For Waveform Audio File Format, hex signature is 52 49 46 46 ?? ?? ?? ?? 57 41 56 45; offset is 0; extension is wav, verified against its source on 2026-09-22.

- **Hex signature:** 52 49 46 46 ?? ?? ?? ?? 57 41 56 45 _(verified: appears in the quote below)_
- **Offset:** 0 _(verified: appears in the quote below)_
- **Extension:** wav _(verified: appears in the quote below)_
- **Format:** Waveform Audio File Format _(verified: appears in the quote below)_

## What the source says

> 52 49 46 46 ?? ?? ?? ?? 57 41 56 45 | RIFF????WAVE | 0 | wav | Waveform Audio File Format [38] |

## Source

- https://en.wikipedia.org/wiki/List_of_file_signatures

Last verified: 2026-09-22. Review by: 2027-09-22.
Part of [File format magic numbers](https://referencesource.org/file-format-signatures/).