YD/T 1538-2024 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YD/T 1538-2024	RFQ	ASK	3 days	(General test method for audio performance of digital mobile terminals)	Valid
YD/T 1538-2021	RFQ	ASK	8 days	Digital Mobile Terminal Acoustic Test Specification	Obsolete
YD/T 1538-2014	RFQ	ASK	7 days	Technical requirements and test methods for acoustics performance of digital mobile terminal	Obsolete
YD/T 1538-2011	RFQ	ASK	6 days	Audio performance of digital mobile terminal technical requirements and test methods	Obsolete
YD/T 1538-2006	RFQ	ASK	6 days	Technical Requirements and Testing Methods for Acoustics Performance of Digital Mobile Terminal	Obsolete

Basic data

Standard ID: YD/T 1538-2024 (YD/T1538-2024)
Description (Translated English): (General test method for audio performance of digital mobile terminals)
Sector / Industry: Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard: M30
Classification of International Standard: 33.050
Date of Issue: 2024-12-10
Date of Implementation: 2025-04-01
Older Standard (superseded by this standard): YD/T 1538-2021
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the general test methods for the audio performance of digital mobile terminals when they access public digital mobile networks for narrowband, broadband, ultra-wideband or full-band voice calls. This standard applies to digital mobile terminals that can access public digital mobile networks and provide voice services (including independent voice services or multimedia services). For digital mobile terminals that support Voice over Wireless LAN (VoWLAN), the audio performance evaluation can also refer to this standard.

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