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white noise |
Also found in: Medical, Financial, Wikipedia | 0.06 sec. |
white noiseA random signal of every frequency in the audio spectrum, all of which have an average uniform power level. White noise is generated for a variety of purposes, including masking sounds in a room, testing loudspeakers for distortion and coloration and to provide input to a synthesizer, which uses filters to derive all of its sounds. Contrast with pink noise and Gaussian noise. white noise a. sound or electrical noise that has a relatively wide continuous range of frequencies of uniform intensity b. noise containing all frequencies rising in level by six decibels every octave How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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a] is the variance of the white noise process which can be estimated from the forecast errors data, and then p([z. |
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