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Modulated Noise Reference Unit

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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 13, 2025
Entity authorityQ6889754 ↗
Source-derived summary

Modulated Noise Reference Unit (MNRU) is an ITU standard (ITU P.810). The MNRU is, as the name implies, a noise model that utilizes speech as well as noise as input. The modulated output noise is a result of a combination of the input speech and noise, where the input speech is used to modulate the input noise. MNRU is mainly used in the telecommunication industry. MNRU is also sometimes referred to as Schröder Noise.

Editorial summary

The public source identifies “Modulated Noise Reference Unit” as open-knowledge reference entry. This brief keeps that definition visible, then builds a research path around Modulated, Noise and Unit.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current 74-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Modulated, Noise and Unit providing the first useful test.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jul 13, 2025. The linked authority identifier is Q6889754. None of the 0 selected statements returned an explicit reference.

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Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

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Source & attribution

This entry incorporates text from “Modulated Noise Reference Unit” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.