This standard specifies the technical requirements and measurement methods for digital video and digital audio cables. Any equivalent measurement method that can ensure the same measurement uncertainty can also be used. In case of dispute, this standard shall prevail. This standard is applicable to the production, use, and operation maintenance of digital video and digital audio cables. 2 Normative References: The clauses in the following documents become clauses of this standard through reference in this standard. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard. GB/T 17953-20004:2.2 Interface for Digital Component Image Signals GB/T 19666-2005 General Principles for Flame-retardant and Fire-retardant Wire and Cable GY/T 157-2000 Digital Video Signal Interface for High Definition Television in Studio GY/T 158-2000 Digital Audio Signal Interface for Studio 3 Terms and Definitions The following terms and definitions apply to this standard. 3.1 Digital video cable is a solid core copper conductor coaxial cable that transmits serial digital video signals. 3.2 Digital audio cable: Solid core copper conductor coaxial cable and single pair shielded twisted pair cable for transmitting AES/EBU digital audio signals. 4 Technical Requirements 4.1 Product classification is divided into Class I and Class II based on the different performance indicators of digital video and digital audio cables
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