Bit depth, in the context of audio recording and digital audio processing, refers to the number of bits used to represent the amplitude of an audio signal at a particular point in time. It is a critical parameter that determines the resolution and dynamic range of the digital audio representation.
Common bit depths for audio recording include 16-bit, 24-bit, and even 32-bit. 16-bit is the most commonly used in podcast audio recordings.
Here’s a brief explanation of each: