Sound sample rate

The sampling rate refers to the number of samples of audio recorded every second. It is measured in samples per second or Hertz (abbreviated as Hz or kHz, with one kHz being 1000 Hz). An audio sample is just a number representing the measured acoustic wave value at a specific point in time.

1. What is sound sampling rate?
2. What is a good sample rate for audio?
3. Is a higher sample rate better?
4. Why is 44100 the sampling rate?

What is sound sampling rate?

Audio sampling is the process of transforming a musical source into a digital file. ... 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.

What is a good sample rate for audio?

For most music applications, 44.1 kHz is the best sample rate to go for. 48 kHz is common when creating music or other audio for video. Higher sample rates can have advantages for professional music and audio production work, but many professionals work at 44.1 kHz.

Is a higher sample rate better?

The higher sample rate technically leads to more measurements per second and a closer recreation of the original audio, so 48 kHz is often used in “professional audio” contexts more than music contexts. For instance, it's the standard sample rate in audio for video.

Why is 44100 the sampling rate?

In the end, 44.1 kHz was chosen for a number of reasons. According to the Nyquist theorem, 44.1 kHz allows reproduction of all frequency content below 22.05 kHz. ... 44,100 = 2x2x3x3x5x5x7x7, and hence 44.1kHz is actually an easy number to work with for many calculations.