This standard specifies the technical requirements and measurement methods for the production and projection system of master and distribution boards used in digital film streaming projection systems. 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 applies to the production, development, production, use, and maintenance of master and distribution versions of digital film streaming projection systems, as well as projection equipment. The following normative references are essential for the application of this standard. For dated references, only the version with the date indicated applies to this standard. For undated references, the latest version (including all amendments) applies to this standard. GB 2099.1-2008 Plugs and Sockets for Household and Similar Purposes - Part 1: General Requirements GB/T9001-1988 Measurement Methods for Audio Amplifiers GB/T 9396-1996 Main Performance Test Methods for Speakers GB/T16649.3-2006 Identification Cards - Integrated Circuit Cards with Contact Points - Part 3: Electrical Signals and Transmission Protocols GY/T 183-2002 Technical Standards for Digital Stereo Cinemas GY/T248-2011 Technical Requirements and Measurement Methods for Audio Power Amplifiers for Digital Cinema Mid range and Mobile Projection Systems G Y/T250-2011 Technical Requirements and Measurement Methods for Projectors Used in Digital Cinema Flow Projection Systems SI/T11298-2003 General Specification for Digital Projectors ISO/IEC 14496-2 Information Technology - Coding of Audio Visual Objects IEC 61937 Interface for Nonlinear PCM Encoded Audio Bitstreams Applying lEC 60958
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China