11/13/2022 0 Comments Index video fileISO/IEC-11172-3 Information technology – Coding of moving pictures and associated audio for digital storage media at up to about 1.5 Mbit/s – Part 3: Audio: Transfer digital audio at a minimum sample rate of at least 44.1 KHz, but sampling at 96 KHz is encouraged.Īudio Interchange File Format: "AIFF" A Standard for Sampled Sound Files Version 1.3.Transfer digital audio at a minimum of 16 bits per sample, but 24 bits per sample is encouraged and.Examples of appropriate methods and formats are available on NARA’s Digitization Services Products and Services page Digitize to standards appropriate for the accurate preservation of the original audio, when converting analog material (e.g., audio cassettes, record albums, and reel-to-reel audio tapes).General requirements for digital audio records: Digital audio formats are generally composed of both a wrapper format, usually the common name associated with the file extension, and an encoding method or codec. The Digital audio category encompasses formats used to encode recorded sound as machine readable files by converting acoustic sound waves into digital signals. HTMLHelp/API_References/PRCReference/PRC_Format_Specification/ ) 4th edition (June 2007):Īcrobat 3D PRC Specification (Version 7094): ISO 24517-1:2008 Document management - Engineering document format using PDF - Part 1: Use of PDF 1.6 (PDF/E-1): Portable Document Format/Engineering (PDF/E)
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