What Is Bit Depth?
When referring to a pixel, the concept can be defined as bits per pixel (bpp).
Have you received the error failed to play test tone when testing your speaker or headphone?
![]()
Try these solutions mentioned in this post to fix it.
What Is Bit Depth in Audio?
It corresponds to theresolutionof each sample directly.

Audio bit depth also affectsbit rateand file size.
Bits are the basic unit of data used in computing and digital communications.
Bit rate refers to the amount of data (especially bits) delivered or received per second.

Usually, it is measured in kb/s.
For photos that naturally have few colors, you may reduce their sizes greatly without degrading their quality.
Bit depth is only meaningful for a PCM digital signal.

Non-PCM formats dont have associated bit depths, such as lossy compression formats.
How to Change Bit Depth Windows 10/11?
Here, we will only show you how to alter the bit depth of a Windows display.
Navigate toStart > configs > System > Display > Advanced Display.
Find the option starting with Display adapter and hit it.
Here in my Windows 11, it isDisplay adapter properties for Display 1.
In the new window, select theList All Modesbutton.
In the popup, select a color mode you prefer and clickOKto save the changes.
Conclusion
Bit depth refers to the color info saved in an image.
The higher the bit depth, the more colors it can store.
The simplest 1-bit image can only display two colors; that is black and white.