IEC 62071-1:2005 PDF

Name: IEC 62071-1:2005 — Helical-scan compressed digital video cassette system using 6,35 mm magnetic tape - Format D-7 - Part 1: VTR specifications
SKU: IEC 62071-1:2005
Price: 35 EUR
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Helical-scan compressed digital video cassette system using 6,35 mm magnetic tape - Format D-7 - Part 1: VTR specifications

Название (английский):

IEC 62071-1:2005

Helical-scan compressed digital video cassette system using 6,35 mm magnetic tape - Format D-7 - Part 1: VTR specifications

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 92
Дата публикации:: 27 октября 2005 г.
Издание:: IEC IS 62071 edition 1 version 1
ICS:: 33.160.40

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Описание (английский):

IEC 62071-1:2005 specifies the content, format and recording method of the data blocks containing video, audio, and associated data which form the helical records on 6,35 mm tape contained in cassettes as specified in SMPTE 307M. It specifies the content, format, and recording method for longitudinal cue and control tracks. This bilingual version (2012-11) corresponds to the monolingual English version, published in 2005-10.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты IEC

Overview

IEC 62071-1:2005 - "Helical-scan compressed digital video cassette system using 6,35 mm magnetic tape - Format D‑7 - Part 1: VTR specifications" - defines the content, format and recording methods for compressed digital video, audio and associated data recorded in helical records on 6,35 mm (D‑7) tape cassettes (as referenced in SMPTE 307M). The standard covers both 25 Mb/s and 50 Mb/s format variants and includes specifications for longitudinal cue and control tracks. The bilingual release (2012‑11) corresponds to the original English edition (2005‑10).

Key topics and technical requirements

The standard specifies detailed VTR and media requirements, including:

Tape and media characteristics

Physical tape parameters (width, base, coating, transmissivity, coercivity) and reference/calibration tapes.

Helical recording architecture

Tape speed, sector and track layout, record locations and tolerance zones for 25 Mb/s and 50 Mb/s formats.

Data sectors and formatting

Structure and content of programme track sectors: ITI (Insert & Track Information), audio, video, subcode, and edit gaps.

Signal processing and modulation

Bitstream organization, modulation schemes and sync block structures for robust read/write performance.

Error protection

Inner/outer parity schemes and error correction code arrangements for audio, video and subcode blocks.

Auxiliary and metadata

Audio auxiliary data (AAUX), video auxiliary data (VAUX) and subcode data formats for ancillary information and indexing.

Longitudinal tracks

Specifications for control track and cue track formats used for indexing, shuttle control and edit operations.

Test, environment and measurement

Environmental conditions, tape tension (Annex A), cross‑tape measurement techniques (Annex C), scanner/wrap configurations and frequency characteristics (Annex D).

Design guidance

Example scanner parameters, block diagrams and practical illustrations (informative Annex F).

Applications and who uses this standard

IEC 62071-1:2005 is intended for:

VTR and recorder manufacturers designing D‑7 format helical‑scan recorders.

Broadcast and production engineers implementing playback/record workflows for archived or legacy D‑7 media.

Post‑production facilities and archivists preserving and migrating media recorded on 6,35 mm D‑7 cassettes.

Test labs and quality assurance teams verifying compliance, tape handling and signal integrity.

System integrators building interfaces between digital video equipment and D‑7 VTRs.

Related standards

SMPTE 307M - cassette specification referenced by IEC 62071‑1.

Other parts of IEC 62071 (where applicable) and related IEC/SMPTE documents covering physical cassette, recording formats and interoperability.

For implementation or procurement, obtain the full IEC 62071‑1:2005 text from the IEC Catalogue to access complete numeric tolerances, detailed tables, figures and normative annexes.

IEC 62071-1:2005 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and who uses this standard

Related standards

Технические детали

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