YD/T 3521-2019 Active Industry standards-Postal and telecommunications

YD/T 3521-2019 Mobile internet education resource platform technical requirements

Publish Date: 2019-11-11 Implement Date: 2020-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: YD/T 3521-2019

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Communication equipment

ICS Name: Telecommunications terminal equipment

Publish Date: 2019-11-11

Implement Date: 2020-01-01

Scope

This standard is applicable to the general evaluation of video surveillance systems and video experience quality evaluation tools. It can also be used as a reference for other terminal video QoE evaluations.

Development Information

Related Standards

GB/T 6363-1986 Active

GB/T 6363-1986 Method for the subjective assessment of the quality of document facsimile

Publish Date: 1986-05-07

GB/T 10198.3-1988 Active

GB/T 10198.3-1988 Requirements for facsimile apparatus Group Ⅲ document facsimile apparatus

Publish Date: 1988-12-22

GB/T 2886-1992 Abolished

GB/T 2886-1992 Technical requirements for group 2 document facsimile apparatus used in public telephone network

Publish Date: 1992-12-19

GB/T 14373-1993 Abolished

GB/T 14373-1993 Specifications of 46 channels TDM equipment operating on 4 line telephone-type circuit

Publish Date: 1993-04-20

GB/T 14558-1993 Abolished

GB/T 14558-1993 Terminal characteristics for group 4 document facsimile apparatus

Publish Date: 1993-07-31

GB/T 15542-1995 Active

GB/T 15542-1995 Technical requirements of digital SPC automatic telephone exchange

Publish Date: 1995-04-06