Second-harmonic generation: Difference between revisions

Revision as of 04:52, 5 March 2014

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-{{Multiple issues||wikify = March 2013|unreferenced = October 2006}}
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-The '''real time factor (RTF)''' is a common metric for measuring the speed of an automatic [[speech recognition]] system. It can also be used in other contexts where an audio or [[video signal]] is processed (usually automatically) at nearly constant rate (e.g. reading music from a [[Compact disc|CD]]).
-==Definition==
-If it takes time <math> {P} </math> to process an input of duration <math> {I} </math>, the real time factor is defined as
-:<math> RTF = \frac{P}{I} </math>.
-If, for example, it takes 8 hours of computation time to process a recording of duration 2 hours, the real time factor is 4. When the real time factor is 1 or less than 1, the processing is done ''in real time''.  It is a hardware-dependent value.
-The accuracy of a speech recognition system, on the other hand, is measured with the [[word error rate]].
-{{DEFAULTSORT:Real Time Factor}}
-[[Category:Speech recognition]]

Second-harmonic generation: Difference between revisions

Revision as of 04:52, 5 March 2014

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