How to Extract and Replace the Copspeech.big File in NFS Most Wanted
If you are a fan of Need for Speed: Most Wanted, you might have wondered how to modify the cop speech files that play during the game. The cop speech files are stored in a big file called copspeech.big, which is located in the SOUND/SPEECH folder of the game directory. In this article, we will show you how to extract and replace the copspeech.big file using some tools and resources.
What is the copspeech.big file?
The copspeech.big file is a large file that contains all the audio clips of the police radio chatter that you hear during the game. The file is divided into several sections, such as pursuit, roadblock, spike strip, helicopter, etc. Each section has a number of audio clips that are randomly played depending on the situation. The copspeech.big file is encoded in a format called MUS, which is a proprietary format used by EA Games.
How to extract the copspeech.big file?
To extract the copspeech.big file, you will need a tool called NFSMW Music Extractor, which you can download from here[^1^]. This tool can extract any MUS file from NFS Most Wanted and convert it to WAV format. To use this tool, follow these steps:
- Copy the copspeech.big file from your game directory to a new folder.
- Run the NFSMW Music Extractor.exe file and click on Browse.
- Select the copspeech.big file and click on Open.
- Click on Extract and wait for the process to finish.
- You will find a new folder called copspeech with all the extracted WAV files inside.
How to replace the copspeech.big file?

To replace the copspeech.big file, you will need another tool called NFSMW Music Importer, which you can download from here[^1^]. This tool can create a new MUS file from WAV files and replace any MUS file in NFS Most Wanted. To use this tool, follow these steps:
- Edit or replace any WAV file in the copspeech folder with your own audio clips. Make sure they have the same name and length as the original ones.
- Run the NFSMW Music Importer.exe file and click on Browse.
- Select the copspeech folder and click on Open.
- Click on Create and wait for the process to finish.
- You will find a new file called copspeech.mus in the same folder.
- Rename this file to copspeech.big and copy it to your game directory, replacing the original one.
Where to find custom cop speech files?
If you don’t want to create your own cop speech files, you can find some custom ones online. For example, you can download this pack[^2^] that replaces the cop speech with some funny quotes from movies and TV shows. You can also search for other cop speech mods on sites like SoundCloud[^3^] or YouTube. Just make sure they are compatible with NFS Most Wanted and follow the same steps as above to replace them.
How to backup and restore the copspeech.big file?
Before you replace the copspeech.big file with a custom one, it is recommended that you backup the original one in case you want to restore it later. To backup the copspeech.big file, simply copy it to another folder or rename it to something else. To restore the copspeech.big file, simply copy or rename the original one back to your game directory, overwriting the custom one.
How to change the language of the cop speech?
If you want to change the language of the cop speech, you will need to download a different version of the copspeech.big file that matches your desired language. For example, if you want to hear the cop speech in Spanish, you will need to download the Spanish version of the copspeech.big file from here. Then, follow the same steps as above to replace it. You can find other language versions of the copspeech.big file on sites like GameCopyWorld or NFS-Planet.
Conclusion
In this article, we have shown you how to extract and replace the copspeech.big file in NFS Most Wanted using some tools and resources. This way, you can customize the cop speech to your liking and make the game more fun and immersive. We hope you found this article helpful and enjoy playing NFS Most Wanted with your new cop speech files.