About: ITU-R 468 noise weighting

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ITU-R 468 (originally defined in CCIR recommendation 468-4, therefore formerly also known as CCIR weighting; sometimes referred to as CCIR-1k) is a standard relating to noise measurement, widely used when measuring noise in audio systems. The standard, now referred to as ITU-R BS.468-4, defines a weighting filter curve, together with a quasi-peak rectifier having special characteristics as defined by specified tests. It is currently maintained by the International Telecommunication Union who took it over from the CCIR.

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rdfs:label	ITU-R 468 noise weighting (en)
rdfs:comment	ITU-R 468 (originally defined in CCIR recommendation 468-4, therefore formerly also known as CCIR weighting; sometimes referred to as CCIR-1k) is a standard relating to noise measurement, widely used when measuring noise in audio systems. The standard, now referred to as ITU-R BS.468-4, defines a weighting filter curve, together with a quasi-peak rectifier having special characteristics as defined by specified tests. It is currently maintained by the International Telecommunication Union who took it over from the CCIR. (en)
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dcterms:subject	Audio engineering Noise Sound ITU-R recommendations
Wikipage page ID	2980850 (xsd:integer)
Wikipage revision ID	1113442346 (xsd:integer)
Link from a Wikipage to another Wikipage	Q factor Deutsche Bundespost Psophometric weighting Compact Cassette Cochlea Crossover distortion Equal-loudness contour Hair cell Strowger switch Total harmonic distortion BBC Audio engineering Noise Sound British Commonwealth British Empire Weighting filter White noise A-weighting DIN ITU-R recommendations Rectifier Root mean square International Telecommunication Union Noise weighting ITU Audio system measurements Filter bank Dolby-B Noise Reduction Impulse noise (audio) FM broadcasting Comité consultatif international pour la radio ITU-R Pink noise M-weighting Noise measurement BBC Research Department Preemphasis Sound level meters Hi-Fi Quasi-peak dbr:Avee_Player dbr:Distortion_residue dbr:Tone-burst
Link from a Wikipage to an external page	http://www.beis.de/Elektronik/AudioMeasure/WeightingFilters.html http://www.aes.org/par/w/%23ITU_R_468
sameAs	ITU-R 468 noise weighting ITU-R 468 noise weighting ITU-R 468 noise weighting ITU-R 468 noise weighting
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has abstract	ITU-R 468 (originally defined in CCIR recommendation 468-4, therefore formerly also known as CCIR weighting; sometimes referred to as CCIR-1k) is a standard relating to noise measurement, widely used when measuring noise in audio systems. The standard, now referred to as ITU-R BS.468-4, defines a weighting filter curve, together with a quasi-peak rectifier having special characteristics as defined by specified tests. It is currently maintained by the International Telecommunication Union who took it over from the CCIR. It is used especially in the UK, Europe, and former countries of the British Empire such as Australia and South Africa. It is less well known in the USA where A-weighting has always been used. M-weighting is a closely related filter, an offset version of the same curve, without the quasi-peak detector. (en)
prov:wasDerivedFrom	wikipedia-en:ITU-R_468_noise_weighting?oldid=1113442346&ns=0
page length (characters) of wiki page	15917 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:ITU-R_468_noise_weighting
is Link from a Wikipage to another Wikipage of	468-weighted 468 weighted Programme level Decibel CCIR-weighted CCIR-weighting CCIR weighted CCIR weighting List of noise topics Psophometric weighting M weighted M weighting Generation–recombination noise Noise Quasi-peak detector Equal-loudness contour

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