GA/T 155-1996Requirements for quality of post production for forensic videography (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted.

This document replaces GA/T 155-1996 "Quality Requirements for Post-production of Criminal Video". Compared with GA/T 155-1996, except for editorial in addition to the modification, the main technical changes are as follows.

--- Changed the content of the scope (see Chapter 1, Chapter 1 of the 1996 edition);

--- Changed the terms and definitions "post-production", "material", "unspliced video" (see 3.1, 3.2, 3.6, 2.1, 2.2, 1996 edition 2.7);

--- Delete the terms and definitions "color bar" and "color bottom" (see 2.5 of the 1996 edition);

--- Changed the relevant content of the post-production method (see 4.1.1, 4.1.3, 3.1.1, 3.1.3 of the 1996 edition);

--- Delete the writing requirements (see 3.1.4 of the 1996 edition);

--- Deleted the screen editing content (see 3.2 of the 1996 edition);

--- Added video editing content (see 4.2);

--- Changed the relevant content of the screen image, screen length, special effects, commentary language, and synthesis effects (see 5.1.1, 5.1.2, 5.1.3, 5.2, 5.3.2, 4.1.1, 4.1.2, 4.1.3, 4.2, 4.3.2 of the 1996 edition);

--- Deleted the continuous content of the track (see 4.3.3 of the 1996 edition);

--- Deleted the content of technical specifications (see 4.4 of the 1996 edition);

--- Added output content (see 5.4).

Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.

1 Scope

This document specifies the methodology and quality requirements for post-production of criminal video recordings in the field of forensic science.

This document is applicable to the post-production of live video footage of various cases (events) in the field of forensic science.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB 3100-1993 International System of Units and Its Application

3 Terms and Definitions

The following terms and definitions apply to this document.

postproduction the material shot on the spot is edited according to the purpose of filming and added with commentary, voice and subtitles, etc., to complete the work of a video.

process.

material

The original shot or set of shots taken on location.

Commentary

A concise text description written according to the theme requirements and materials to highlight the theme and supplement the screen content.

Editing skills editingskil the related materials, text descriptions, sounds, and subtitles are organically linked together by means of switching, dissolving, and audio-video synthesis.

subtitle

Text, graphics or markers added to the video.

non-editing video

Unedited video footage from live shooting.

4 Post-production methods