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Basic unit of Sound?

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audio

If we consider computer graphics to be the art of image synthesis where the basic unit is a pixel.

What is the basic unit of sound synthesis?

[This relates to programming as I want to generate this via a computer program.]

Thanks!

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anon Avatar asked Apr 23 '10 02:04

anon


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1 Answers

The basic unit is a sample

In a WAVE file, the sample is just an integer specifying where to move the speaker head to.

The sample rate determines how often a new sample is fed to the speakers (I'm not entirely sure how this part works, but it does get converted to an analog signal first). The samples are typically laid out in the file one right after another.

When you plot all the samples with x-axis being time and y-axis being sample_value, you can see the waveform.

In a wave file, samples can (theoretically) be any bit-size from 0-65535, which remains constant throughout the wave file. But typically 16 or 24 bits are used.

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Ponkadoodle Avatar answered Sep 20 '22 15:09

Ponkadoodle