標準號：IEC 62156-2001
中文標準名稱：視頻壓縮12．65mmD-9型元件格式525/60及625/50（數字S）的數字錄象
英文標準名稱：Digital video recording with video compression 12,65 mm type D-9 component format 525/60 and 625/50 (DIGITAL S)
標準類型：M73
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：M73
國際標準分類號：33.160.40
適用范圍：Intraframe bit rate reduction is applied to video data prior to recording.This International Standard specifies the content, format and recording method of the datablocks containing video, audio, and associated data that form the helical records on 12,65 mmtape in cassettes.In addition, this standard specifies the content, format and recording method of thelongitudinal record containing tracking information for the rotating head associated with thehelical records, and also cue audio, and control tracks.One video channel and four independent audio channels are recorded in the digital format.Each of these channels is capable of independent editing.The video channel records and reproduces a component television signal in the 525 linesystem with a frame frequency of 29,97 Hz (hereinafter referred to as the “525/60 system”)and in the 625 line system with a frame frequency of 25,00 Hz (hereinafter referred to as the“625/50 system”).