SAMPLE RATE Meaning and
Definition
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Sample rate refers to the number of samples, or measurements, taken per second in digital audio recording or playback. It is typically expressed in Hertz (Hz).
In digital audio, sound is captured and converted into a series of discrete samples representing the waveform. The sample rate determines the frequency at which the waveform is divided into these samples. For example, a sample rate of 44100 Hz means that 44100 samples are taken every second to represent the audio signal.
The sample rate plays a significant role in determining the quality and fidelity of the audio. Higher sample rates can capture more detail and reproduce sound more accurately. Generally, a higher sample rate provides a wider frequency response and greater dynamic range, resulting in better audio reproduction. However, using a higher sample rate also requires more storage space and processing power.
The Nyquist-Shannon sampling theorem is relevant in understanding the importance of sample rate. According to this theorem, the sample rate must be at least double the maximum frequency content of the audio signal to accurately reconstruct the original waveform.
Sample rate is an essential parameter in the digital audio world, with various standard sample rates commonly used, including 44100 Hz (CD quality), 48000 Hz (DVD quality), and 96000 Hz (high-definition audio). The appropriate sample rate selection depends on the specific application, considering factors such as audio format, storage space availability, and desired audio fidelity.
Common Misspellings for SAMPLE RATE
- aample rate
- zample rate
- xample rate
- dample rate
- eample rate
- wample rate
- szmple rate
- ssmple rate
- swmple rate
- sqmple rate
- sanple rate
- sakple rate
- sajple rate
- samole rate
- samlle rate
- sam-le rate
- sam0le rate
- sampke rate
- samppe rate
- sampoe rate
Etymology of SAMPLE RATE
The word "sample rate" is a compound term consisting of two words: "sample" and "rate".
The term "sample" originates from the Middle English word "sample" or "sampil", which referred to a small, representative part or example taken from a larger whole. This term itself has its roots in the Old French word "essample", meaning an example or model.
The term "rate" comes from the Latin word "ratus", which means "reckoned" or "considered". It also has connections to the Old French word "rate", which means "price" or "value".
When combined, the term "sample rate" refers to the number of samples, or discrete measurements, taken per unit of time in a digital audio system. It represents the frequency at which the analog audio signal is converted into a digital representation.
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