This technical requirement specifies the basic technical content of digital films produced, produced, stored, transmitted, distributed, and projected using digital technology and equipment. This technical requirement applies to the program post production department, distribution department, and cinemas (halls) using digital film projection equipment for digital films. 2 Normative reference documents. The clauses in the following documents become the clauses of this technical requirement through the reference of this technical requirement. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this technical requirement. However, all parties who have reached an agreement based on this technical requirement are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this technical requirement. GB/T3557-94 "Technical Requirements for Audiovisual Environment of Cinemas" GB/T4645-94 "Screen Brightness of Indoor Cinemas and Appraisal Projection Rooms" GY/Txxxx-xxxx "Technical Standards for Digital Stereo Cinemas" DGY/T155-2000 "Video Parameter Values for High Definition Television Program Production and Exchange" DGY/T147-2000 "General Technical Requirements for Satellite Digital Television Receiving Stations" GB8898-2001 "Safety Requirements for Audio, Video and Similar Electronic Equipment" GB9254-1998 According to the definition of "Radio Disturbance Limits and Measurement Methods for Information Technology Equipment", digital cinema refers to feature films, documentaries, art films, feature films, sports, literary and artistic programs, and advertisements produced, produced, and stored using digital technology and equipment. These films are transmitted through physical media such as satellites, optical fibers, magnetic disks, and optical discs, and the digital signals that meet the technical requirements are restored into images and sounds, which are then projected on the screen
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