EN 61834-3:2000
(Main)Recording - Helical-scan digital video cassette recording system using 6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) - Part 3: HD format for 1125-60 and 1250-50 systems
General Information
- Abstract
The main object of this part of EN 61834 is to establish basic principles applicable to the next generation of digital video cassette recording systems for consumer use for the interest of both users and manufacturers. It specifies the content, format and recording method of the data blocks forming the helical records on the tape containing audio, video, and system data. it describes the specifications for the 1125-line system with a frame frequency of 30,00 Hz and the 1250-line system with a frame frequency of 25,00 Hz, which are not included in Part 1 and 2.
- Status
- Published
- Publication Date
- 28-Mar-2000
- Withdrawal Date
- 31-Dec-2002
- Technical Committee
- CLC/TC 100X - Audio, video and multimedia systems and equipment and related sub-systems
- Drafting Committee
- IEC/TC 100 - IEC_TC_100
- Parallel Committee
- IEC/TC 100 - IEC_TC_100
- Current Stage
- 9093 - Decision to confirm - Review Enquiry
- Start Date
- 27-Apr-2026
- Completion Date
- 25-Aug-2026
Overview
EN 61834-3:2000 (CLC adoption of IEC 61834-3:1999) defines the HD format for helical-scan digital video cassette recording systems using 6,35 mm (1/4") magnetic tape for consumer use. This Part 3 complements Parts 1 and 2 by specifying the content, format and recording method of the data blocks that form helical records for the higher-resolution systems: the 1125-line (30.00 Hz frame rate) and 1250-line (25.00 Hz frame rate) systems. The standard establishes basic principles for next‑generation consumer digital video cassette recorders (VCRs), benefitting both manufacturers and end users.
Key topics
- Data block structure: definition of the content and logical format of audio, video and system data stored in helical records on 6.35 mm tape.
- Recording method: rules for laying out data blocks along helical tracks and for handling successive frames in the HD format for 1125‑60 and 1250‑50 systems.
- Timing and resolution: specifications for the 1125‑line/30.00 Hz and 1250‑line/25.00 Hz systems that are outside Parts 1 and 2.
- System data and metadata: provisions covering non‑audio/video information required for playback, synchronization and system control.
- Interoperability principles: guidance to ensure consumer equipment from different manufacturers can read and write the defined helical records.
- Conformance scope: basic principles and format definitions intended for consumer-grade digital video cassette recording systems.
Note: EN 61834-3 sets functional and format-level requirements rather than detailed implementation algorithms; it references IEC foundations and complements Parts 1 and 2.
Applications
EN 61834-3 is directly relevant to:
- Consumer electronics manufacturers designing digital VCRs and helical-scan tape mechanisms for HD consumer formats.
- Product engineers working on tape transport, head drum timing, and data formatting for 6.35 mm cassette recorders.
- Firmware and systems designers implementing audio/video block handling, synchronization and system-data processing.
- Test laboratories and conformity assessors validating recorder compliance with HD helical-scan formats.
- Archivists and broadcasters working with legacy tape formats who need clear format specifications for migration and playback.
Related standards
- EN 61834-1 / EN 61834-2 (other parts addressing core formats and system options)
- IEC 61834-3:1999 (original international text adopted by CLC)
Keywords: EN 61834-3, helical-scan, digital video cassette, 6.35 mm tape, HD format, 1125-line, 1250-line, consumer recording systems, video systems standard.
Relations
- Effective Date
- 03-Feb-2026
- Effective Date
- 03-Feb-2026
- Effective Date
- 03-Feb-2026
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Frequently Asked Questions
EN 61834-3:2000 is a standard published by CLC. Its full title is "Recording - Helical-scan digital video cassette recording system using 6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) - Part 3: HD format for 1125-60 and 1250-50 systems". This standard covers: The main object of this part of EN 61834 is to establish basic principles applicable to the next generation of digital video cassette recording systems for consumer use for the interest of both users and manufacturers. It specifies the content, format and recording method of the data blocks forming the helical records on the tape containing audio, video, and system data. it describes the specifications for the 1125-line system with a frame frequency of 30,00 Hz and the 1250-line system with a frame frequency of 25,00 Hz, which are not included in Part 1 and 2.
The main object of this part of EN 61834 is to establish basic principles applicable to the next generation of digital video cassette recording systems for consumer use for the interest of both users and manufacturers. It specifies the content, format and recording method of the data blocks forming the helical records on the tape containing audio, video, and system data. it describes the specifications for the 1125-line system with a frame frequency of 30,00 Hz and the 1250-line system with a frame frequency of 25,00 Hz, which are not included in Part 1 and 2.
EN 61834-3:2000 is classified under the following ICS (International Classification for Standards) categories: 33.160.40 - Video systems. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 61834-3:2000 has the following relationships with other standards: It is inter standard links to EN 61834-1:1998, EN 61883-3:2005, EN 61834-6:2000. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 61834-3:2000 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.