HELICAL-SCAN COMPRESSED DIGITAL VIDEO CASSETTE SYSTEM USING 6,35 MM MAGNETIC TAPE - FORMAT D-7 - PART 2: COMPRESSION FORMAT
International Electrotechnical Committee
FOREWORD
1 Scope
2 Normative references
3 Abbreviations and acronyms
4 Interface
4.1 Introduction
4.2 Data structure
4.3 Header section
4.4 Subcode section
4.5 VAUX section
4.6 Audio section
4.7 Video section
5 Video compression
5.1 Video structure
5.2 DCT processing
5.3 Quantization
5.4 Variable length coding (VLC)
5.5 The arrangement of a compressed macro block
5.6 The arrangement of a video segment
Annex A (informative) Differences between IEC 61834 and
IEC 62071-2
Annex B (normative) Digital filter for sampling-rate
conversion from 4:2:2 to 4:1:1 colour
difference signals
Annex C (informative) Block diagram of D-7 recorder
Bibliography
Defines the DV-based data structure for the interface of digital audio, subcode data and compressed video with the following parameters: - 525/60 system - 4:1:1 image sampling structure, 25 Mb/s data rate; - 525/60 system - 4:2:2 image sampling structure, 50 Mb/s data rate; - 625/50 system - 4:1:1 image sampling structure, 25 Mb/s data rate; - 625/50 system - 4:2:2 image sampling structure, 50 Mb/s data rate.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 100 |
