Audio card: It is a plug-in card that records and plays back sound and is also called a "sound board" or "audio adapter"
. Sound circuits are typically built into the chipset on the motherboard and the sound card can provide an input port for a microphone or other sound source and output ports to speakers and amplifiers.
Device drivers: A device driver is a program that controls a particular type of device that is attached to your computer. It consists of software code that allows your PC's operating system to interact with a hardware device. Every device driver performs a different function due to the fact that there are so many peripheral devices that connect to your PC's operating system. Peripheral devices are devices such as printers, hard drives, scanners and keyboards. The device driver provides a way for your PC to communicate with the peripheral device.
Conclusion:
A audio driver is a program that controls the audio card that attached to the computer.
How to update the audio drivers?
When we come across audio driver issues, normally we will go to the manufacturer's site like Realtek site or use Windows Update for right audio driver updates to fix the problem. However, what should we do if neither way works?
Actually, driver updaters are very popular programs which can help you update your audio drivers automatically and easily. Here take Driver Detective for example to guide you how to use a driver update software to update your HP Audio Drivers step by step.
Step 1: free download Driver Detective and install it
Step 2: Run Driver Detective and click "Scan Now" to scan your driver".
Step 3: A few seconds later, it will show you a "Scan Summary"
Step 4: the red cross sign means your HP Audio Driver is out of date, just click save button to update the latest version of your drivers