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ITU-T G.121

Loudness Ratings (LRs) of National Systems

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Organization: ITU-T
Publication Date: 1 January 1993
Status: active
Page Count: 17

Document History

ITU-T G.121
January 1, 1993
Loudness Ratings (LRs) of National Systems
A description is not available for this item.
G.121
January 1, 1989
Loudness Ratings (LRs) of National Systems - General Characteristics of International Telephone Connections and Circuits
A description is not available for this item.

References

This document is referenced by:
TS 126 132 - Universal Mobile Telecommunications System (UMTS); LTE; 5G; Speech and video telephony terminal acoustic test specification
Published by ETSI on April 1, 2023
The present document is applicable to any terminal capable of supporting narrowband, wideband, super-wideband or fullband telephony, either as a stand-alone service or as the telephony component of a...
This document is referenced by:
ATIS 0100506 - Network Performance – Switched Exchange Access Network Transmission Specifications
Published by ATIS on May 1, 1997
This standard provides performance specifications for the two-way digital or digital equivalent transmission path between the exchange carrier's end office and an interexchange carrier's point of...
This document is referenced by:
ITU-T G.169 - Automatic level control devices
Published by ITU-T on May 1, 2011
This Recommendation applies to the testing of automatic level control (ALC) devices intended for use in digital network-based equipment. An ALC device is defined as any signal processing function...
This document is referenced by:
TS 126 131 - Universal Mobile Telecommunications System (UMTS); LTE; 5G; Terminal acoustic characteristics for telephony; Requirements
Published by ETSI on January 1, 2023
The present document is applicable to any terminal capable of supporting narrowband, wideband, super-wideband or fullband telephony, either as a stand-alone service or as the telephony component of a...
This document is referenced by:
TS 143 050 - Digital cellular telecommunications system (Phase 2+) (GSM); Transmission planning aspects of the speech service in the GSM Public Land Mobile Network (PLMN) system
Published by ETSI on May 1, 2022
The present document describes the transmission planning aspects pertaining to the speech service in the GSM PLMN system. Due to technical and economic factors, there cannot be full compliance with...
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