Difference between revisions of "Sampling rate"

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In digital audio, an analog continuous wave is "sampled" to discrete values. The sampling happens many times per second. In 16bit audio these discrete sample values represent values between -32768 and 32767. Each sample value represents the Amplitude value of the wave at that specific point.
 
In digital audio, an analog continuous wave is "sampled" to discrete values. The sampling happens many times per second. In 16bit audio these discrete sample values represent values between -32768 and 32767. Each sample value represents the Amplitude value of the wave at that specific point.
  
[[Image:Digital_wave.png|frame|none|''Figure: Samples per second defines the sampling rate. © Graham Mitchell - ''[http://grahammitchell.net/writings/vorbis_intro.html Vorbis intro]'']]
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[[Image:Digital_wave.png|frame|none|''Samples per second defines the sampling rate. © Graham Mitchell - ''[http://grahammitchell.net/writings/vorbis_intro.html Vorbis intro]'']]
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[[Category:Technical]]

Revision as of 09:11, 2 September 2006

In digital audio, an analog continuous wave is "sampled" to discrete values. The sampling happens many times per second. In 16bit audio these discrete sample values represent values between -32768 and 32767. Each sample value represents the Amplitude value of the wave at that specific point.

Samples per second defines the sampling rate. © Graham Mitchell - Vorbis intro