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GB/T 15845.4-2003 English PDF

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GB/T 15845.4-2003: Performance requirements of audio-visual terminals -- Narrow-band audio visual system and terminal equipment
Status: Valid

GB/T 15845.4: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 15845.4-2003English504 Add to Cart 4 days [Need to translate] Performance requirements of audio-visual terminals -- Narrow-band audio visual system and terminal equipment Valid GB/T 15845.4-2003
GB/T 15845.4-1995English559 Add to Cart 4 days [Need to translate] Performance requirements of audiovisual terminals--Narrow-band visual telephone systems and terminal equipment Obsolete GB/T 15845.4-1995

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Basic data

Standard ID GB/T 15845.4-2003 (GB/T15845.4-2003)
Description (Translated English) Performance requirements of audiovisual terminals. Narrow-band audio visual system and terminal equipment
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard M32
Classification of International Standard 33.160.60
Word Count Estimation 22,292
Date of Issue 2003-01-17
Date of Implementation 2003-08-01
Older Standard (superseded by this standard) GB/T 15845.4-1995
Adopted Standard ITU-T H.320-1999, IDT
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China
Summary This standard specifies the narrowband audio-visual systems and terminal equipment technical requirements. For videophone requirements for audiovisual services specified in the proposed F. 720, for meeting the requirements of television audiovisual services as specified in the proposed F. 702. Audio encoding, video encoding, and other public audiovisual services are part of the technical requirements in H. 200/F. 720 series of other proposals in the proposed regulations. This section applies to narrowband audio-visual systems and terminal equipment, such audiovisual equipment business channel rate of not more than 1920kbit/s.

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