The rtkhdaud.sys file is a driver file that carries the name Realtek High Definition Audio Function Driver, which is a program also known as Service for Realtek HD Audio, and is developed by Realtek Semiconductor Corporation. As a driver file, the rtkhdaud.sys process enables the computer system to communicate with the hardware and other connected devices. This file simply has the means to have a direct access to the internal parts of the operating system, built-in or installed hardware, and various related applications. The program has certain features which include high performance dynamic range, stereo ADCs and DAC channels support, ADAT digital output supports, high quality analog CD input, and built-in headphone amplifiers. Basically, Realtek High Definition Audio Function Driver, containing this particular file, provides high definition audio for Realtek Media Player, as well as other compatible sound system applications, and offers optimal use of microphone and recording. Digitally signed from Microsoft Windows Hardware Compatibility Publisher, Microsoft Time-Stamp Service, this program is made available for Windows operating systems.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. rtkhdaud.sys. is used by Realtek High Definition Audio Function Driver, If you shut down rtkhdaud.sys, it will likely start again at a later time either after you restart your computer or after an application start. To stop rtkhdaud.sys, permanently you need to uninstall the application that runs this process which in this case is Realtek High Definition Audio Function Driver, from your system.

After uninstalling applications it is a good idea to scan you Windows registry for any left over traces of applications. Registry Reviver by ReviverSoft is a great tool for doing this.

The ReviverSoft experts have not yet reviewed rtkhdaud.sys

A process usually a part of an installed application such as Realtek High Definition Audio Function Driver, or your operating system that is responsible for running in functions of that application. Some application require that they have processes running all the time so they can do things such as check for updates or notify you when you get an instant message. Some poorly written applications have many processes that run that may not be required and take up valuable processing power within your computer.

We have not received any complaint about this process having higher than normal impact on PC performance. If you have had bad experiences with it please let us know in a comment below and we will investigate it further.

The first thing you should do if rtkhdaud.sys. is causing errors on your computer is to run a Windows registry scan with Registry Reviver If you are still seeing errors after this you should uninstall the program that rtkhdaud.sys, belongs to, in this case Realtek High Definition Audio Function Driver