Modify an audio file in GTA

September 30, 2025
  • Eda TINMAZ
  • Rufaro MABUTO
  • Julika Hother
  • Julien CUISAT

This tutorial will show you how to modify an existing audio in GTA V, using the software Open IV. This tutorial focuses on how to replace the audio of a weapon.

Preparation

  1. After installing Open IV, you should have a folder named mods
  2. We will also need an audio editor. We will use Audacity (free and open source).
  3. Create a backup (important!)
  4. Launch OpenIV

Selection (of data to replace)

  1. Navigate to the audio you want to replace. It can sometimes be difficult to find the right one, click on the different audio files, you can recognize them by the .awc format. Example: x64 > audio > sfx > WEAPONS_PLAYER.rpf > pistole (ptl_50cal.awc, …)

x64 > audio > sfx > WEAPONS_PLAYER.rpf > pistole (ptl_50cal.awc, …)

  1. Activate Edit mode and click on copy to mods folder

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  1. Export the .awc files by clicking on export to openFormats (.oac).

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  1. Open the audio in your audio file editor and modify it as you wish (free sounds, AI voice generator, sound recordings, etc).

The exported openFormats document consists of a folder containing one or more .wav files and a corresponding .oac file.

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  1. Modify the audio file but be careful, it is necessary that the parameters remain the same as the original (set it to the same length, sampling rate: usually 44100 Hz, important! Mono (1 channel) and 16 bit depth, volume: -12 dB to -6 dB).
  2. Export it as a ".wav" file.

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  1. In the exported files, replace the existing .wav files in the folder with the new ones (careful: some .oac files contain several audios, replace them all).

The idea is to modify existing files, it is important to keep exactly the same names until the end.

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After replacing the .wav files, drag the corresponding .oac file to the OpenIV folder go to New in the left corner Import openFormats, choose your .oac file, open, select your ".oac" file again in the window that appears and there you go, it is replaced 🙂.

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If the format is incorrect, an error appears and you must modify the corresponding parameters again

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Play GTA with the replaced audio

  1. Open the game and find the audio you replaced. Example with the modified weapon sounds: Open the Weapons section in GTA and look for the weapon with the same name.

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If you have difficulty finding the modified object, install a "Simple Trainer" to help you. (see the "Simple Trainer Installation" instructions)

Translated by AI from the French version.

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