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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.
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.
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.
Sample Rates and Audio Sampling: A Guide for ... - Adobe …
https://www.adobe.com/ae_en/creativecloud/video/discover/audio-sampling.html
A higher sample rate tends to deliver a better-quality audio reproduction. Sample rates are usually measured per second, using kilohertz (kHz) or cycles per second. CDs are usually recorded at 44.1kHz – which means that every second, 44,100 samples were taken. If you can master sample rates, you can create more accurate recordings.
What is the best audio sampling frequency - LmK Music ...
https://lmkprod.com/best-audio-sampling-frequency/
The best sampling frequency is 2 times the frequency of the highest frequency of your incoming signal. Which, in case of music, is 20.000 Hz (20Khz). Therefore: 2 x 20.000 = 40.000. There we go: the best frequency for audio sampling is around 40Khz. And talking about industrial standards, we have the mighty 44.1 Khz at our disposal.
Understanding Audio Quality: Bit Rate, Sample Rate ...
https://micropyramid.com/blog/understanding-audio-quality-bit-rate-sample-rate/
High bitrate audio is overkill: CD quality is still great ...
https://soundguys.com/high-bitrate-audio-is-overkill-cd-quality-is-still-great-16518/
You only need a sample rate of 44.1kHz If you’ve looked at your music player’s information tab, you may notice some of your songs have sample rates of 44.1kHz, or 48kHz. You may also notice that your DAC or a phone like the LG V30 support files with sample rates up to 384kHz. That’s overkill.
sample rate - Sampling frequency Vs. Audio Frequency ...
https://sound.stackexchange.com/questions/25053/sampling-frequency-vs-audio-frequency
On the low pitched sound you can see that it samples the bottom, the middle and the top of the wave. If you draw a line through these points you will get a line that is almost the same. If you use 44.1 kHz it will be able to reproduce everything from 0 Hz (20 Hz) to 20 000 Hz, which is what we are able to hear.
Super Audio CD - Wikipedia
https://en.wikipedia.org/wiki/Super_Audio_CD
The SACD format is capable of delivering a dynamic range of 120 dB from 20 Hz to 20 kHz and an extended frequency response up to 100 kHz, although most available players list an upper limit of 70–90 kHz, and practical limits reduce this to 50 kHz. Because of the nature of sigma-delta converters, DSD and PCM cannot be directly compared.
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