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Sampling (signal processing) - Wikipedia
https://en.wikipedia.org/wiki/Sampling_(signal_processing)#:~:text=The%20Audio%20Engineering%20Society%20recommends%2048%20kHz%20sampling,kHz%20for%20higher%20bandwidth%20or%20relaxed%20anti-aliasing%20filtering.
Explanation of 44.1 kHz CD sampling rate - Columbia University
http://www1.cs.columbia.edu/~hgs/audio/44.1.html
The CD sampling rate has to be larger than about 40 kHz to fulfill the Nyquist criterion that requires sampling at twice the maximum analog frequency, which is about 20 kHz for audio. The sampling frequency is chosen somewhat higher than the Nyquist rate since practical filters neede to prevent aliasing have a finite slope. Digital audio tapes (DATs) use a sampling rate of 48 kHz.
Digital Audio Basics: Audio Sample Rate and Bit Depth
https://www.izotope.com/en/learn/digital-audio-basics-sample-rate-and-bit-depth.html
The most common audio sample rate you’ll see is 44.1 kHz, or 44,100 samples per second. This is the standard for most consumer audio, used for formats like CDs. This is not an arbitrary number. Humans can hear frequencies between 20 Hz and 20 kHz.
Compact Disc Sample Rate | Learn About the Compact …
https://www.cardinalpeak.com/blog/why-do-cds-use-a-sampling-rate-of-44-1-khz
The 2 Most Common CD Sampling Rates: 44.1kHz & 48kH. First, a little background: When you sample an audio waveform, you have a choice as to how many samples you take per second. Over the years, a number of standards have developed; in digital media used for entertainment purposes, the two most common sampling frequencies are 44.1 kHz and 48 kHz.
What is sampling rate of an audio CD? - Media
https://www.careerride.com/view/what-is-sampling-rate-of-an-audio-cd-media-3505.aspx
- The sampling rate for CD should be larger than 40KHz. - The sampling frequency for audio is higher than the Nyquist rate, as practical filters need to prevent the aliasing to have a finite slope. - The sampling conversion rate is simplified when the rates are multiples of an integer of each other. « Previous Next »
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