Method and apparatus for testing telecommunications equipment

H - Electricity – 04 – B

Patent

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Details

H04B 15/00 (2006.01) G01R 23/20 (2006.01) G10L 19/00 (2006.01) H04B 3/46 (2006.01) H04M 1/24 (2006.01) H04M 3/22 (2006.01)

Patent

CA 2171864

Telecommunications testing apparatus comprising analysis means arranged to receive a distorted signal which corresponds to a test signal when distorted by telecommunications apparatus to be tested, the analysis means comprising means for periodically deriving, from the distorted signal, a plurality of spectral component signals responsive to the distortion in each of a plurality of spectral bands, over a succession of time intervals, the analysis means being arranged to generate a measure of the subjective impact of the distortion due to the telecommunications apparatus, said measure of subjective impact being calculated to depend upon the spread of the distortion over time and/or said spectral bands.

L'appareil permettant de tester un équipement de télécommunications selon l'invention comprend des moyens d'analyse conçus pour recevoir un signal déformé correspondant à un signal test lorsque celui-ci est déformé par un appareil de télécommunications qui doit être testé, les moyens d'analyse comprenant des moyens permettant de déduire périodiquement, à partir du signal déformé, une pluralité de signaux à composante spectrale en réponse à la distorsion dans chaque bande d'une pluralité de bandes spectrales, pendant une succession d'intervalles de temps, lesdits moyens d'analyse étant en outre conçus pour générer une mesure de l'impact subjectif de la distorsion causée par l'appareil de télécommunications, la mesure de cet impact subjectif étant calculée de manière à dépendre de l'étendue de la distorsion dans le temps et/ou desdites bandes spectrales.

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