ac3api.dll Error Fix

What is a DLL?

 The file ac3api.dll is a part of the software AC3 API Library.

DLL (Dynamic Link Library) files contain computer code and resources that can be used by multiple programs at the same time. This uses less system memory and helps your computer system run more efficiently. DLL files give program developers the ability to reuse code to add features to several programs without the need to write new code for each program.

There are many programs that require DLL files to function properly so when one of them is damaged or missing it will cause program crashes and poor system performance.

What is ac3api.dll?

 The file ac3api.dll is a part of the software AC3 API Library. The AC3 API library is a programming interface or a source code interface that an operating system or library provides to support requests for services made to it by computer programs. The Advanced Programming Interface has a wider application that predates the current common usage. The function of the AC3 API is to serve as a well-defined interface between two separate programs

The software Direct Show (code named Quartz) is a known multimedia framework and API produced by Microsoft for software developers to perform various operations with media files. It provides a common interface for media across many of Microsoft’s programming languages and is an extensible filter-based framework that can render or record media files on demand under the control of the user or developer

The file ac3api.dll in the AC3 API was developed by Creative Technology Ltd which is a manufacturer of computer multimedia products. Creative is most famous for their line of SoundBlaster audio cards. The company is also well known for their line of portable media players. The file ac3api was developed to serve as a component file for their line of computer multimedia products such as the SoundBlaster and all other versions.

The ac3api.dll module is often used along with Sound Blaster Live (A sound card by Creative) to convert digital stereo encoded sound to Dolby digital or DTS encoded sound as long as it is used along with a Dolby compatible DVD player like Power DVD and the dsound.dll module that is distributed with DirectX 7.O. However this conversion won’t work if you upgrade to DirectX 8.0.

In case the module ac3api.dll is not present in your system folder the advanced conversion features of your Creative sound card will no longer function. In this case you should download the file from one of the numerous DLL download websites.

Suggested fix if you are experiencing ac3api.dll error messages:

DLL files are important parts of your operating system and many programs require them to function. When these files become damaged or are missing it causes poor system performance and system crashes. To fix these problems the user must replace the damaged file with a valid working version. If a working version cannot be found the user may perform a reinstallation of their operating system.

Ac3api.dll is created by:

Creative Technology Ltd.

Known file path:

C:\Program Files\Creative\Sound Blaster Live\ac3api.dll


Click the Download button below to run a free dll scan to find out if you have missing or corrupt dll files on your computer.

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